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WITS (Wellsite Information Transfer Specification) Fundamentals

The WELLSITE INFORMATION TRANSFER SPECIFICATION (WITS) is a communications format used for the transfer of a wide variety of wellsite data from one computer system to another. It is a recommended format by which Operating and Service companies involved in the Exploration and Production areas of the Petroleum Industry may exchange data in either an online or batch transfer mode.

Fundamentals of WITS

WITS is a multi-level format which offers an easily achieved entry point with increasingly flexible higher levels. At the lower levels, a fixed format ASCII data stream is employed, while, at the highest level, a self-defining customizable data stream is available.

A WITS data stream consists of discrete data records. Each data record type is generated independently of other data record types and each has a unique trigger variable and sampling interval. The rig activity usually determines which records are applicable at any given time such that only appropriate data is transmitted.

WITS also incorporates the means for a remote computer system to send instructions to the sending system in order to set or change certain parameters, including the type of data transmitted and the interval for transmission.

As well as specifying a format for data transmission, WITS also defines a basic set of pre-defined records to which user-defined record types may be added.

WITS has been used extensively for a number of years by working for many operators around the world to facilitate information-sharing and to provide data to remote monitoring facilities.

 

Background

Over the years many Operating and Service companies developed proprietary formats for electronic data exchange. When a new working relationship was established between a Service company and an Operator, new software often had to be written, followed by extensive testing and debugging before the data collection and analysis systems of the two entities could communicate with one another correctly. This often led to problem start-ups with the resulting loss of time and data. The ongoing development and maintenance of these formats represented a significant expenditure.

The cost and complexity of format matching and modification often led to a reluctance on the part of some Operators to get involved in this type of service, and a great deal of rig data, which might have been extremely useful in rig performance evaluation, drilling monitoring and control, and formation evaluation while drilling, was often not collected or was not readily available to decision makers.

In an attempt to resolve this information transfer problem, the Wellsite Information Transfer Specification was established .

A number of Operating and Service company representatives with wide experience in the areas of computer software system development, geology and drilling engineering formed the first workgroup to look into the needs of the industry in this area. All were familiar with the problems associated with the profusion and mismatch of rig data formats.

To ensure that any format proposed was both complete and acceptable to the industry as a whole, a vigorous effort was made to involve representatives from as many Operating and Service companies as possible. This effort included correspondence with companies operating in Europe and Asia as well as the United States.

The goal of the work group was broad but concrete:

"To define the format and information content of the data stream transmitted from a wellsite to a central site by telecommunications facilities or hard media".

To minimize omissions in the format, a major effort was made to obtain an inventory of data items monitored or collected at the wellsite in the following areas:

  • Geology
  • Drilling Engineering
  • Measurement While Drilling (MWD)
  • Rig Parameters
  • Cementing
  • Drill Stem Testing

Companies providing data collection services in these areas were polled for data items and formats currently in use. Concurrent with the effort, the group's members familiarized themselves with the major existing formats and data transmission systems in use in the industry. With a comprehensive data dictionary established and with representatives on the subcommittee familiar with existing formats, careful consideration led to a set of requirements which, it was hoped, would satisfy the present and future needs of both Operating and Service companies.

Among these requirements were:

  • achievable by both small and large companies
  • adaptable to the needs of the industry over the course of time as technology changes
  • offer a simple, low cost entry point
  • limit long term software support costs
  • employ an efficient mode of transmission
  • be capable of use in both online and in batch modes
  • be capable of implementation on a wide range of computer platforms
  • meet the needs of both the single remote user and the multi-rig data center
  • encompass existing standards (official or "de facto") where possible
  • address international as well as domestic needs

With these requirements in mind, the subcommittee adopted the Log Information Standard (LIS) as the basic framework for WITS and set about formulating the specific components of the format. LIS was chosen since it met many of the requirements set out for WITS and was a well established and familiar method of data exchange (a "de facto" standard in the wireline industry).

The WITS Steering Group is also a member of the API Petroleum Information Data Exchange (PIDX). The API-PIDX WITS User Group exists to promote the format, respond to questions of interpretation, and to investigate ways of enhancing the format to meet new requirements in the future.

Download Erdos Miller Free WITS Simulator

 

WITS Transmission Levels

 The following summarizes the various levels of WITS:

Level 0

Also known as "Intra Rig Transfer Specification", this involves a very basic ASCII transfer format intended primarily for sharing of information between service companies, though lending itself well as a simple entry point into wellsite data transfer. Data items are identified by a numeric string tying the value to a particular location within a Pre-Defined Record, or to an agreed upon addition to the Data Dictionary. 

Level 1

In Level 1 and above, the data stream takes on a binary (LIS) format. Values are expressed in LIS-defined representations (e.g. floating point, integer, string, etc) The data items are packaged into a WITS Data Record and then sandwiched between LIS Physical and Logical Record Headers and Trailers, to make up a LIS Data Record.

Twenty five Pre-Defined Records have been identified, covering, among other areas, drilling, geology, directional work, MWD, cementing and testing. At Level 1, these data records, generated at varying times and under varying rig conditions, are constructed and placed in the data communications channel.

No LIS record types besides Data Records are used at this level. Each of the 25 Pre-Defined Records has a fixed size in bytes. However, each contains designated 'spare' channels for limited customization.

The Pre-Defined Records are:

WITS Pre-Defined Record Types

Record

Name

Description

1 General Time-Based Drilling data gathered at regular time intervals
2 Drilling - Depth Based Drilling data gathered at regular depth intervals
3 Drilling - Connections Data gathered at drilling connections
4 Hydraulics Hydraulics data gathered while circulating
5 Trip - Time Tripping data gathered while running in/pulling out
6 Trip - Connections Tripping data gathered at tripping connections
7 Survey/Directional Directional/Survey data
8 MWD Formation Evaluation MWD Formation Evaluation data
9 MWD Mechanical MWD Mechanical data
10 Pressure Evaluation Pressure Evaluation data
11 Mud Tank Volumes Mud Tank (Pit) Volume data
12 Chromatograph Cycle-Based Chromatograph Cycle data
13 Chromatograph Depth-Based Chromatograph data averaged over depth intervals
14 Lagged Mud Properties Mud Property data based returns depth increments
15 Cuttings / Lithology Cuttings Lithology and related data
16 Hydrocarbon Show Hydrocarbon Show related data
17 Cementing Well Cementing operations data
18 Drill Stem Testing Well Testing operations data
19 Configuration Drillstring and Rig Configuration data
20 Mud Report Mud Report data
21 Bit Report Bit Report data
22 Comments Freeform Comments
23 Well Identification Well Identification data
24 Vessel Motion / Mooring Status Vessel Motion and Mooring Status data
25 Weather / Sea State Weather and Sea State data

Source: Energistics


RECORD # 1 : GENERAL TIME-BASED

WITS Record ID 1

Logical Record Type 151

Auto/Manual AUTOMATIC

Trigger [TIME] Transmit at a specified time interval (secs)

Data Source Data acquired in real-time and computed over the trigger interval; record transmitted and computation reset when triggering interval occurs

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units

1

Well Identifier

WELLID

WID

A

16

----

----

2

Sidetrack/Hole Sect No.

STKNUM

SKNO

S

2

----

----

3

Record Identifier

RECID

RID

S

2

----

----

4

Sequence Identifier

SEQID

SQID

L

4

----

----

5

Date

DATE

DATE

L

4

----

----

6

Time

TIME

TIME

L

4

----

----

7

Activity Code

ACTCOD

ACTC

S

2

----

----

8

Depth Bit (meas)

DEPTBITM

DBTM

F

4

M

F

9

Depth Bit (vert)

DEPTBITV

DBTV

F

4

M

F

10

Depth Hole (meas)

DEPTMEAS

DMEA

F

4

M

F

11

Depth Hole (vert)

DEPTVERT

DVER

F

4

M

F

12

Block Position

BLKPOS

BPOS

F

4

M

F

13

Rate of Penetration (avg)

ROPA

ROPA

F

4

M/HR

F/HR

14

Hookload (avg)

HKLA

HKLA

F

4

KDN

KLB

15

Hookload (max)

HKLX

HKLX

F

4

KDN

KLB

16

Weight-on-Bit (surf,avg)

WOBA

WOBA

F

4

KDN

KLB

17

Weight-on-Bit (surf,max)

WOBX

WOBX

F

4

KDN

KLB

18

Rotary Torque (surf,avg)

TORQA

TQA

F

4

KNM

KFLB

19

Rotary Torque (surf,max)

TORQX

TQX

F

4

KNM

KFLB

20

Rotary Speed (surf,avg)

RPMA

RPMA

S

2

RPM

RPM

21

Standpipe Pressure (avg)

SPPA

SPPA

F

4

KPA

PSI

22

Casing (Choke) Pressure

CHKP

CHKP

F

4

KPA

PSI

23

Pump Stroke Rate #1

SPM1

SPM1

S

2

SPM

SPM

24

Pump Stroke Rate #2

SPM2

SPM2

S

2

SPM

SPM

25

Pump Stroke Rate #3

SPM3

SPM3

S

2

SPM

SPM

26

Tank Volume (active)

TVOLACT

TVA

F

4

M3

BBL

27

Tank Volume Change (act)

TVOLCACT

TVCA

F

4

M3

BBL

28

Mud Flow Out %

MFOP

MFOP

S

2

%

%

29

Mud Flow Out (avg)

MFOA

MFOA

F

4

L/M

GPM

30

Mud Flow In (avg)

MFIA

MFIA

F

4

L/M

GPM

31

Mud Density Out (avg)

MDOA

MDOA

F

4

KGM3

PPG

32

Mud Density In (avg)

MDIA

MDIA

F

4

KGM3

PPG

33

Mud Temperature Out (avg)

MTOA

MTOA

F

4

DEGC

DEGF

34

Mud Temperature In (avg)

MTIA

MTIA

F

4

DEGC

DEGF

35

Mud Conductivity Out (avg)

MCOA

MCOA

F

4

MMHO

MMHO

36

Mud Conductivity In (avg)

MCIA

MCIA

F

4

MMHO

MMHO

37

Pump Stroke Count (cum)

STKC

STKC

L

4

----

----

38

Lag Strokes

LAGSTKS

LSTK

S

2

----

----

39

Depth Returns (meas)

DEPTRETM

DRTM

F

4

M

F

40

Gas (avg)

GASA

GASA

F

4

%

%

41

< SPARE 1 >

SPARE1

SPR1

F

4

----

----

42

< SPARE 2 >

SPARE2

SPR2

F

4

----

----

43

< SPARE 3 >

SPARE3

SPR3

F

4

----

----

44

< SPARE 4 >

SPARE4

SPR4

F

4

----

----

45

< SPARE 5 >

SPARE5

SPR5

F

4

----

----

Source: Energistics

 

 

RECORD # 2 : DRILLING DEPTH-BASED

WITS Record ID 2 Logical Record Type 152 Auto/Manual AUTOMATIC
Trigger [DEPTH] Transmit at a specified depth interval (feet or meters)
Data Source Data acquired in real-time when on-bottom drilling NEW hole and computed over the trigger interval

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units
1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Rate of Penetration (avg) ROPA ROPA F 4 M/HR F/HR
11 Weight-on-Bit (surf,avg) WOBA WOBA F 4 KDN KLB
12 Hookload (avg) HKLA HKLA F 4 KDN KLB
13 Standpipe Pressure (avg) SPPA SPPA F 4 KPA PSI
14 Rotary Torque (surf,avg) TORQA TQA F 4 KNM KFLB
15 Rotary Speed (surf,avg) RPMA RPMA S 2 RPM RPM
16 Bit Revolutions (cum) BTREVC BRVC L 4 ---- ----
17 Mud Density In (avg) MDIA MDIA F 4 KGM3 PPG
18 ECD at Total Depth ECDTD ECDT F 4 KGM3 PPG
19 Mud Flow In (avg) MFIA MFIA F 4 L/M GPM
20 Mud Flow Out (avg) MFOA MFOA F 4 L/M GPM
21 Mud Flow Out % MFOP MFOP S 2 % %
22 Tank Volume (active) TVOLACT TVA F 4 M3 BBL
23 Cost/Distance (inst) CPDI CPDI F   $/M $/F
24 Cost/Distance (cum) CPDC CPDC F 4 $/M $/F
25 Bit Drilled Time BTDTIME BDTI F 4 HR HR
26 Bit Drilled Distance BTDDIST BDDI F 4 M F
27 Corr. Drilling Exponent DXC DXC F 4 ---- ----
28 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
29 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
30 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
31 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
32 < SPARE 5 > SPARE5 SPR5 F 4 ---- ----
33 < SPARE 6 > SPARE6 SPR6 F 4 ---- ----
34 < SPARE 7 > SPARE7 SPR7 F 4 ---- ----
35 < SPARE 8 > SPARE8 SPR8 F 4 ---- ----
36 < SPARE 9 > SPARE9 SPR9 F 4 ---- ----

Source: Energistics

 

 

RECORD # 3 : DRILLING CONNECTIONS

WITS Record ID 3 Logical Record Type 153 Auto/Manual AUTOMATIC
Trigger [EVENT] Transmit when first back on bottom following a drilling connection
Data Source Data acquired from first off-bottom to back on-bottom

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units
1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Connection (meas) DEPTCONM DCNM F 4 M F
9 Depth Connection (vert) DEPTCONV DCNV F 4 M F
10 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
11 Depth Hole (vert) DEPTVERT DVER F 4 M F
12 Elapsed Time Bottom-Slips ETIMEBTS ETBS S 2 SEC SEC
13 Elapsed Time In-Slips ETIMESLP ETSL S 2 SEC SEC
14 Elapsed Time Slips-Bottom ETIMESTB ETSB S 2 SEC SEC
15 Elapsed Time Pumps-Off ETIMEPOF ETPO S 2 SEC SEC
16 Running Speed - up (max) RSUX RSUX F 4 M/S FPM
17 Running Speed - down (max) RSDX RSDX F 4 M/S FPM
18 Hookload (max) HKLX HKLX F 4 KDN KLB
19 String Weight (rot,avg) STRGWT STWT F 4 KDN KLB
20 Torque - Make Up (max) TORQMUX TQMX F 4 KNM KFLB
21 Torque - Breakout (max) TORQBOX TQBX F 4 KNM KFLB
22 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
23 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
24 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
25 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
26 < SPARE 5 > SPARE5 SPR5 F 4 ---- ----

Source: Energistics

 

RECORD # 4 : HYDRAULICS

WITS Record ID 4 Logical Record Type 154 Auto/Manual AUTOMATIC
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Data acquired in real-time while circulating drilling fluid. Not sent if no circulation is taking place. Minimum and maximum values reset when record is transmitted. Other items should reflect the input and output variables used in the most recent hydraulics calculation prior to transmission.

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units
1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Depth Bit (meas) DEPTBITM DBTM F 4 M F
11 Depth Bit (vert) DEPTBITV DBTV F 4 M F
12 Mud Density In (avg) MDIA MDIA F 4 KGM3 PPG
13 Mud Flow In (avg) MFIA MFIA F 4 L/M GPM
14 Standpipe Pressure (avg) SPPA SPPA F 4 KPA PSI
15 Plastic Viscosity PV PV F 4 CP CP
16 Yield Point YP YP F 4 PA PHSF
17 Pressure Loss - bit PLB PLB F 4 KPA PSI
18 Pressure Loss - string PLDS PLDS F 4 KPA PSI
19 Pressure Loss - annulus PLA PLA F 4 KPA PSI
20 Pressure Loss - surface PLSU PLSU F 4 KPA PSI
21 Pressure Loss - mud motor PLMM PLMM F 4 KPA PSI
22 Pressure Loss - MWD tool PLMWD PLMW F 4 KPA PSI
23 Pressure Loss - % at bit PLPB PLPB F 4 % %
24 Bit Hydraulic Power BHP BHP F 4 KW HP
25 Bit Hydraulic Power/Area BHPA BHPA F 4 KWM2 HSI
26 Jet Impact Force JIF JIF F 4 KDN LB
27 Jet Velocity JV JV F 4 M/S FPS
28 Annular Velocity (min) AVELN AVN F 4 M/S FPM
29 Annular Velocity (max) AVELX AVX F 4 M/S FPM
30 ECD at Total Depth ECDTD ECDT F 4 KGM3 PPG
31 ECD at Bit ECDBIT ECDB F 4 KGM3 PPG
32 ECD at Casing Shoe ECDCSG ECDC F 4 KGM3 PPG
33 Pump Hydraulic Power PHP PHP F 4 KW HP
34 Calc/Obs Press.Loss ratio PLCO PLCO F 4 % %
35 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
36 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
37 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
38 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
39 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD #5 : TRIPPING/CASING RUN TIME-BASED

WITS Record ID 5 Logical Record Type 155 Auto/Manual AUTOMATIC
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Data aquired in real-time and computed over the trigger interval. Only sent when tripping. Average, minimum and maximum values reset when this record OR Record 6 (Tripping/Casing Connection Based) is transmitted

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units
1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Bit (meas) DEPTBITM DBTM F 4 M F
9 Depth Bit (vert) DEPTBITV DBTV F 4 M F
10 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
11 Depth Hole (vert) DEPTVERT DVER F 4 M F
12 Trip Number TRIPNUM TNUM S 2 ---- ----
13 In-Slips Status STATUSIS STIS A 2 ---- ----
14 Hookload (avg) HKLA HKLA F 4 KDN KLB
15 Block Position BLKPOS BPOS F 4 M F
16 Running Speed - up (max) RSUX RSUX F 4 M/S FPM
17 Running Speed - down (max) RSDX RSDX F 4 M/S FPM
18 Fill/Gain Volume Obs.(cum) FVOLOC FVOC F 4 M3 BBL
19 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
20 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
21 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
22 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
23 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 6 : TRIPPING/CASING CONNECTION-BASED

WITS Record ID 6 Logical Record Type 156 Auto/Manual AUTOMATIC
Trigger [EVENT] Transmit when first out of slips following a connection
Data Source Data acquired in real-time and computed from first out of slips to next first out of slips. Only sent when tripping. Average and maximum values reset following the transmission of the record

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

 FPS Units
1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Bit (meas) DEPTBITM DBTM F 4 M F
9 Depth Bit (vert) DEPTBITV DBTV F 4 M F
10 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
11 Depth Hole (vert) DEPTVERT DVER F 4 M F
12 Trip Number TRIPNUM TNUM S 2 ---- ----
13 Connections Done CONNDONE CDON S 2 ---- ----
14 Connections Remaining CONNREM CREM S 2 ---- ----
15 Elapsed Time In-Slips ETIMESLP ETSL S 2 SEC SEC
16 Elapsed Time Out-of-Slips ETIMEOS ETOS S 2 SEC SEC
17 Running Speed -up (max) RSUX RSUX F 4 M/S FPM
18 Running Speed -up (avg) RSUA RSUA F 4 M/S FPM
19 Running Speed -down (max) RSDX RSDX F 4 M/S FPM
20 Running Speed -down (avg) RSDA RSDA F 4 M/S FPM
21 Hookload (max) HKLX HKLX F 4 KDN KLB
22 Hookload (min) HKLN HKLN F 4 KDN KLB
23 Hookload (avg) HKLA HKLA F 4 KDN KLB
24 Torque - Make Up (max) TORQMUX TQMX F 4 KNM KFLB
25 Torque - Breakout (max) TORQBOX TQBX F 4 KNM KFLB
26 Fill/Gain Volume Obs. FVOLO FVO F 4 M3 BBL
27 Fill/Gain Volume Exp. FVOLE FVE F 4 M3 BBL
28 Fill/Gain Volume Obs.(cum) FVOLOC FVOC F 4 M3 BBL
29 Fill/Gain Volume Exp (cum) FVOLEC FVEC F 4 M3 BBL
30 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
31 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
32 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
33 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
34 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 7 : SURVEY / DIRECTIONAL

WITS Record ID 7 Logical Record Type 157 Auto/Manual AUTO(MWD)/MANUAL
Trigger [EVENT] Transmit when new survey data values are received and computed (MWD) or when manually triggered by operator
Data Source Data acquired in real-time by MWD tools or entered manually from other sources

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Svy/reading (meas) DEPTSVYM DSVM F 4 M F
9 Depth Svy/reading (vert) DEPTSVYV DSVV F 4 M F
10 Pass Number PASSNUM PASS S 2 ---- ----
11 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
12 Svy Type SVYTYPE STYP A 8 ---- ----
13 Svy Inclination SVYINC SINC F 4 DEG DEG
14 Svy Azimuth (uncorrected) SVYAZU SAZU F 4 DEG DEG
15 Svy Azimuth (corrected) SVYAZC SAZC F 4 DEG DEG
16 Svy Magnetic Toolface SVYMTF SMTF F 4 DEG DEG
17 Svy Gravity Toolface SVYGTF SGTF F 4 DEG DEG
18 Svy North-South Position SVYNS SNS F 4 M F
19 Svy East-West Position SVYEW SEW F 4 M F
20 Svy Dog Leg Severity SVYDLS SDLS F 4 DGHM DGHF
21 Svy Rate of Walk SVYWALK SWLK F 4 DGHM DGHF
22 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
23 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
24 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
25 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
26 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 8 : MWD FORMATION EVALUATION

WITS Record ID 8 Logical Record Type 158 Auto/Manual AUTOMATIC
Trigger [TIME], [DEPTH] or [TIME/DEPTH] Transmit at specified time interval (secs), depth interval (feet or meters) based on hole depth when drilling new hole or making a new pass, or a combination of these.
Data Source Data acquired in real-time and computed over the trigger interval. Record transmitted and computations reset when triggering interval occurs. If DEPTH-triggered, then only on-bottom data is included in computations. Depths of MWD sensors transmitted in the record are the depths for the last valid reading for that sensor. Record is not sent if not circulating or tool is not operating

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Depth Bit (meas) DEPTBITM DBTM F 4 M F
11 Depth Bit (vert) DEPTBITV DBTV F 4 M F
12 Pass Number PASSNUM PASS S 2 ---- ----
13 Depth Resis 1 sensor (meas) DEPTRS1M DR1M F 4 M F
14 Depth Resis 1 sensor (vert) DEPTRS1V DR1V F 4 M F
15 Resis 1 reading MR1 MR1 F 4 OHMM OHMM
16 Resis 1 (borehole corr) MR1C MR1C F 4 OHMM OHMM
17 Depth Resis 2 sensor (meas) DEPTRS2M DR2M F 4 M F
18 Depth Resis 2 sensor (vert) DEPTRS2V DR2V F 4 M F
19 Resis 2 reading MR2 MR2 F 4 OHMM OHMM
20 Resis 2 (borehole corr) MR2C MR2C F 4 OHMM OHMM
21 Depth G.Ray 1 sensor(meas) DEPTGR1M DG1M F 4 M F
22 Depth G.Ray 1 sensor(vert) DEPTGR1V DG1V F 4 M F
23 Gamma Ray 1 reading MG1 MG1 F 4 API API
24 Gamma Ray 1(borehole corr) MG1C MG1C F 4 API API
25 Depth G.Ray 2 sensor(meas) DEPTGR2M DG2M F 4 M F
26 Depth G.Ray 2 sensor(vert) DEPTGR2V DG2V F 4 M F
27 Gamma Ray 2 reading MG2 MG2 F 4 API API
28 Gamma Ray 2(borehole corr) MG2C MG2C F 4 API API
29 Depth Por 1 sensor (meas) DEPTP1M DP1M F 4 M F
30 Depth Por 1 sensor (vert) DEPTP1V DP1V F 4 M F
31 Porosity Tool 1 reading MPO1 MPO1 F 4 ---- ----
32 Depth Por 2 sensor (meas) DEPTP2M DP2M F 4 M F
33 Depth Por 2 sensor (vert) DEPTP2V DP2V F 4 M F
34 Porosity Tool 2 reading MPO2 MPO2 F 4 ---- ----
35 Downhole Fluid Temp (ann) MFTANN MFTA F 4 DEGC DEGF
36 Downhole Fluid Temp (pipe) MFTPIPE MFTP F 4 DEGC DEGF
37 Downhole Fluid Resis (ann) MFRANN MFRA F 4 OHMM OHMM
38 Downhole Fluid Resis (pipe) MFRPIPE MFRP F 4 OHMM OHMM
39 Depth Form Density (meas) DEPTFDM DFDM F 4 M F
40 Depth Form Density (vert) DEPTFDV DFDV F 4 M F
41 Formation Density MFD MFD F 4 G/CC G/CC
42 Depth Caliper (meas) DEPTCALM DCLM F 4 M F
43 Depth Caliper (vert) DEPTCALV DCLV F 4 M F
44 Caliper MCLP MCLP F 4 MM IN
45 Pore Pressure Grad MWD MFPP MFPP F 4 KGM3 PPG
46 Frac Pressure Grad MWD MFFP MFFP F 4 KGM3 PPG
47 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
48 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
49 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
50 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
51 < SPARE 5 > SPARE5 SPR5 F 4 --- ----
52 < SPARE 6 > SPARE6 SPR6 F 4 ---- ----
53 < SPARE 7 > SPARE7 SPR7 F 4 ---- ----
54 < SPARE 8 > SPARE8 SPR8 F 4 ---- ----
55 < SPARE 9 > SPARE9 SPR9 F 4 ---- ----

Source: Energistics

 

 

RECORD # 9 : MWD MECHANICAL

WITS Record ID 9 Logical Record Type 159 Auto/Manual AUTOMATIC
Trigger [TIME], [DEPTH] or [TIME/DEPTH] Transmit at specified time interval (secs), depth interval (feet or meters) based on hole depth when drilling new hole or making a new pass, or a combination of these
Data Source Data acquired in real-time and computed over the trigger interval. Record transmitted and computations reset when triggering interval occurs. If DEPTH-triggered, then only on-bottom data is included in computations. Record is not sent if not circulating or tool is not operating

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Depth Bit (meas) DEPTBITM DBTM F 4 M F
11 Depth Bit (vert) DEPTBITV DBTV F 4 M F
12 Pass Number PASSNUM PASS S 2 ---- ----
13 Bottom-hole annulus press MBHPANN MBPA F 4 KPA PSI
14 Bottom-hole internal press MBHPINT MBPI F 4 KPA PSI
15 Downhole Wt-on-Bit (avg) MWOBA MWBA F 4 KDN KLB
16 Downhole Wt-on-Bit (max) MWOBX MWBX F 4 KDN KLB
17 Downhole Torque (avg) MTORQA MTQA F 4 KNM KFLB
18 Downhole Torque (max) MTORQX MTQX F 4 KNM KFLB
19 Downhole Motor RPM MMMRPM MMRP S 2 RPM RPM
20 MWD Tool Alternator Voltage MALTVOLT MALT S 2 V V
21 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
22 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
23 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
24 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
25 < SPARE 5 > SPARE5 SPR5 F 4 --- ----
26 < SPARE 6 > SPARE6 SPR6 F 4 ---- ----
27 < SPARE 7 > SPARE7 SPR7 F 4 ---- ----
28 < SPARE 8 > SPARE8 SPR8 F 4 ---- ----
29 < SPARE 9 > SPARE9 SPR9 F 4 ---- ----

Source: Energistics

 

 

 

RECORD # 10 : PRESSURE EVALUATION

WITS Record ID 10 Logical Record Type 160 Auto/Manual AUTOMATIC/MANUAL
Trigger [EVENT] Transmit when new pressure evaluation data values are available
Data Source Data acquired in real-time and computed over the trigger interval. Record transmitted and compuations reset when the record is transmitted

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Depth Sample (meas) DEPTSAMM DSAM F 4 M F
11 Depth Sample (vert) DEPTSAMV DSAV F 4 M F
12 Est. Form. Pore Press Grad. FPOREPG FPPG F 4 KGM3 PPG
13 Est. Form. Frac Press Grad. FFRACPG FFPG F 4 KGM3 PPG
14 Est. Form. Overburden Grad. FOBPG FOPG F 4 KGM3 PPG
15 Est. Kick Tolerance KTOL KTOL F 4 KGM3 PPG
16 Max. Permitted SICP (init) PSIPX PSIP F 4 KPA PSI
17 Connection Gas (avg) CONNGASA CGSA F 4 % %
18 Connection Gas (max) CONNGASX CGSX F 4 % %
19 Connection Gas (last) CONNGASL CGSL F 4 % %
20 Last Trip Gas TRIPGAS TGAS F 4 % %
21 Shale Density SHALEDEN SDEN F 4 G/CC G/CC
22 Cuttings CEC CEC CEC F 4 MEHG MEHG
23 Cavings % CAVINGS CAV S 2 % %
24 Corr. Drilling Exponent DXC DXC F 4 ---- ----
25 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
26 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
27 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
28 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
29 < SPARE 5 > SPARE5 SPR5 F 4 --- ----
30 < SPARE 6 > SPARE6 SPR6 F 4 ---- ----
31 < SPARE 7 > SPARE7 SPR7 F 4 ---- ----
32 < SPARE 8 > SPARE8 SPR8 F 4 ---- ----
33 < SPARE 9 > SPARE9 SPR9 F 4 ---- ----

Source: Energistics

 

 

RECORD # 11 : MUD TANK VOLUMES

WITS Record ID 11 Logical Record Type 161 Auto/Manual AUTOMATIC
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Data acquired in real-time and computed over the trigger interval; record transmitted and computations reset when triggering interval occurs

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Tank Volume (total) TVOLTOT TVT F 4 M3 BBL
11 Tank Volume (active) TVOLACT TVA F 4 M3 BBL
12 Tank Volume Change (total) TVOLCTOT TVCT F 4 M3 BBL
13 Tank Volume Change (active) TVOLCACT TVCA F 4 M3 BBL
14 Tank Volume Reset Time TVRESET TVRT L 4 ---- ----
15 Tank 01 Volume TVOL01 TV01 F 4 M3 BBL
16 Tank 02 Volume TVOL02 TV02 F 4 M3 BBL
17 Tank 03 Volume TVOL03 TV03 F 4 M3 BBL
18 Tank 04 Volume TVOL04 TV04 F 4 M3 BBL
19 Tank 05 Volume TVOL05 TV05 F 4 M3 BBL
20 Tank 06 Volume TVOL06 TV06 F 4 M3 BBL
21 Tank 07 Volume TVOL07 TV07 F 4 M3 BBL
22 Tank 08 Volume TVOL08 TV08 F 4 M3 BBL
23 Tank 09 Volume TVOL09 TV09 F 4 M3 BBL
24 Tank 10 Volume TVOL10 TV10 F 4 M3 BBL
25 Tank 11 Volume TVOL11 TV11 F 4 M3 BBL
26 Tank 12 Volume TVOL12 TV12 F 4 M3 BBL
27 Tank 13 Volume TVOL13 TV13 F 4 M3 BBL
28 Tank 14 Volume TVOL14 TV14 F 4 M3 BBL
29 Trip Tank 1 Volume TTVOL1 TTV1 F 4 M3 BBL
30 Trip Tank 2 Volume TTVOL2 TTV2 F 4 M3 BBL
31 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
32 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
33 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
34 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
35 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 12 : CHROMATOGRAPH GASES CYCLE-BASED

WITS Record ID 12 Logical Record Type 162 Auto/Manual AUTOMATIC
Trigger Transmit at the completion of a valid chomatograph cycle while circulating.
Data Source Data acquired in real-time from each valid chomatograph cycle. Not sent if no circulation is taking place

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Chrom Sample (meas) DEPTCHRM DCHM F 4 M F
9 Depth Chrom Sample (vert) DEPTCHRV DCHV F 4 M F
10 Date Chrom Sample DATECHR DCHR L 4 ---- ----
11 Time Chrom Sample TIMECHR TCHR L 4 ---- ----
12 Methane (C1) METHANE METH L 4 PPM PPM
13 Ethane (C2) ETHANE ETH L 4 PPM PPM
14 Propane (C3) PROPANE PRP L 4 PPM PPM
15 Iso-Butane (IC4) IBUTANE IBUT L 4 PPM PPM
16 Nor-Butane (NC4) NBUTANE NBUT L 4 PPM PPM
17 Iso-Pentane (IC5) IPENTANE IPEN L 4 PPM PPM
18 Nor-Pentane (NC5) NPENTANE NPEN L 4 PPM PPM
19 Neo-Pentane (EC5) EPENTANE EPEN L 4 PPM PPM
20 Iso-Hexane (IC6) IHEXANE IHEX L 4 PPM PPM
21 Nor-Hexane (NC6) NHEXANE NHEX L 4 PPM PPM
22 Carbon Dioxide CO2 CO2 L 4 PPM PPM
23 Acetylene ACET ACET L 4 PPM PPM
24 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
25 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
26 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
27 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
28 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 13 : CHROMATOGRAPH GASES DEPTH-BASED

WITS Record ID 13 Logical Record Type 163 Auto/Manual AUTOMATIC
Trigger [DEPTH] Transmit at the specified depth interval (feet or meters) based on the returns depth.
Data Source Data acquired in real-time from each valid chomatograph cycle. Record transmitted and computations reset when the triggering interval occurs. Record not sent if circulation not taking place or if bottoms up has been achieved resulting in no further increase in returns depth

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Returns (meas) DEPTRETM DRTM F 4 M F
9 Depth Returns (vert) DEPTRETV DRTV F 4 M F
10 Methane (C1) (avg) METHA MTHA L 4 PPM PPM
11 Methane (C1) (min) METHN MTHN L 4 PPM PPM
12 Methane (C1) (max) METHX MTHX L 4 PPM PPM
13 Ethane (C2) (avg) ETHA ETHA L 4 PPM PPM
14 Ethane (C2) (min) ETHN ETHN L 4 PPM PPM
15 Ethane (C2) (max) ETHX ETHX L 4 PPM PPM
16 Propane (C3) (avg) PROPA PRPA L 4 PPM PPM
17 Propane (C3) (min) PROPN PRPN L 4 PPM PPM
18 Propane (C3) (max) PROPX PRPX L 4 PPM PPM
19 Iso-Butane (IC4) (avg) IBUTA IBTA L 4 PPM PPM
20 Iso-Butane (IC4) (min) IBUTN IBTN L 4 PPM PPM
21 Iso-Butane (IC4) (max) IBUTX IBTX L 4 PPM PPM
22 Nor-Butane (NC4) (avg) NBUTA NBTA L 4 PPM PPM
23 Nor-Butane (NC4) (min) NBUTN NBTN L 4 PPM PPM
24 Nor-Butane (NC4) (max) NBUTX NBTX L 4 PPM PPM
25 Iso-Pentane (IC5) (avg) IPENTA IPNA L 4 PPM PPM
26 Iso-Pentane (IC5) (min) IPENTN IPNN L 4 PPM PPM
27 Iso-Pentane (IC5) (max) IPENTX IPNX L 4 PPM PPM
28 Nor-Pentane (NC5) (avg) NPENTA NPNA L 4 PPM PPM
29 Nor-Pentane (NC5) (min) NPENTN NPNN L 4 PPM PPM
30 Nor-Pentane (NC5) (max) NPENTX NPNX L 4 PPM PPM
31 Neo-Pentane (EC5) (avg) EPENTA EPNA L 4 PPM PPM
32 Neo-Pentane (EC5) (min) EPENTN EPNN L 4 PPM PPM
33 Neo-Pentane (EC5) (max) EPENTX EPNX L 4 PPM PPM
34 Iso-Hexane (IC6) (avg) IHEXA IHXA L 4 PPM PPM
35 Iso-Hexane (IC6) (min) IHEXN IHXN L 4 PPM PPM
36 Iso-Hexane (IC6) (max) IHEXX IHXX L 4 PPM PPM
37 Nor-Hexane (NC6) (avg) NHEXA NHXA L 4 PPM PPM
38 Nor-Hexane (NC6) (min) NHEXN NHXN L 4 PPM PPM
39 Nor-Hexane (NC6) (max) NHEXX NHXX L 4 PPM PPM
40 Carbon Dioxide (avg) CO2A CO2A L 4 PPM PPM
41 Carbon Dioxide (min) CO2N CO2N L 4 PPM PPM
42 Carbon Dioxide (max) CO2X CO2X L 4 PPM PPM
43 Acetylene ACET ACET L 4 PPM PPM
44 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
45 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
46 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
47 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
48 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 14 : LAGGED CONTINUOUS MUD PROPERTIES

WITS Record ID 14 Logical Record Type 164 Auto/Manual AUTOMATIC
Trigger [TIME], [DEPTH] or [TIME/DEPTH] Transmit at the specified time interval (secs), depth interval (feet or meters) based on the returns depth, or a combination of these.
Data Source Data acquired in real-time and computed over the interval. Record transmitted and computations reset when the triggering interval occurs. If a depth interval is specified, it is active until bottoms-up occurs. Time intervals, if specified, are reset following the transmission of the record by either depth or time trigger. Not sent if no circulation is taking place

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Returns (meas) DEPTRETM DRTM F 4 M F
9 Depth Returns (vert) DEPTRETV DRTV F 4 M F
10 Mud Density In (lagd) MDIL MDIL F 4 KGM3 PPG
11 Mud Density Out (avg) MDOA MDOA F 4 KGM3 PPG
12 Mud Temperature In (lagd) MTIL MTIL F 4 DEGC DEGF
13 Mud Temperature Out (avg) MTOA MTOA F 4 DEGC DEGF
14 Mud Conductivity In (lagd) MCIL MCIL F 4 MMHO MMHO
15 Mud Conductivity Out (avg) MCOA MCOA F 4 MMHO MMHO
16 Hyd.Sulfide Haz.Pot. (avg) HSHPA HHPA F 4 PPM PPM
17 Hyd.Sulfide pH (avg) HSPHA HPHA F 4 ---- ----
18 Hyd.Sulfide pHS (avg) HSPHSA HPSA F 4 % %
19 Gas In (lagd) GASIL GSIL F 4 % %
20 Gas (avg) GASA GASA F 4 % %
21 Gas (max) GASX GASX F 4 % %
22 Carbon Dioxide (avg) CO2A CO2A L 4 PPM PPM
23 Hydrogen Sulfide (avg) HSA HSA L 4 PPM PPM
24 Hydrogen Sulfide (max) HSX HSX L 4 PPM PPM
25 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
26 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
27 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
28 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
29 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 15 : CUTTINGS / LITHOLOGY

WITS Record ID 15 Logical Record Type 165 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data from sample examination sent when new data values are available

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Sample (meas) DEPTSAMM DSAM F 4 M F
9 Depth Sample (vert) DEPTSAMV DSAV F 4 M F
10 Description type DESCTYPE DESC A 8 ---- ----
11 Lith 1 type L1TYPE L1TY A 16 ---- ----
12 Lith 1 % L1PERC L1PC S 2 % %
13 Lith 1 classification L1CLASS L1CL A 16 ---- ----
14 Lith 1 color L1COLOR L1CO A 16 ---- ----
15 Lith 1 texture L1TEXT L1TX A 16 ---- ----
16 Lith 1 hardness L1HARD L1HD A 16 ---- ----
17 Lith 1 grain size L1SIZE L1SZ A 16 ---- ----
18 Lith 1 roundness L1ROUND L1RD A 16 ---- ----
19 Lith 1 sorting L1SORT L1SO A 16 ---- ----
20 Lith 1 matrix/cement L1MATCEM L1MC A 16 ---- ----
21 Lith 1 accessories L1ACC L1AC A 16 ---- ----
22 Lith 1 porosity L1POR L1PO F 4 % %
23 Lith 1 permeability L1PERM L1PE F 4 MD MD
24 Lith 2 type L2TYPE L2TY A 16 ---- ----
25 Lith 2 % L2PERC L2PC S 2 % %
26 Lith 2 classification L2CLASS L2CL A 16 ---- ----
27 Lith 2 color L2COLOR L2CO A 16 ---- ----
28 Lith 2 texture L2TEXT L2TX A 16 ---- ----
29 Lith 2 hardness L2HARD L2HD A 16 ---- ----
30 Lith 2 grain size L2SIZE L2SZ A 16 ---- ----
31 Lith 2 roundness L2ROUND L2RD A 16 ---- ----
32 Lith 2 sorting L2SORT L2SO A 16 ---- ----
33 Lith 2 matrix/cement L2MATCEM L2MC A 16 ---- ----
34 Lith 2 accessories L2ACC L2AC A 16 ---- ----
35 Lith 2 porosity L2POR L2PO F 4 % %
36 Lith 2 permeability L2PERM L2PE F 4 MD MD
37 Lith 3 type L3TYPE L3TY A 16 ---- - ---
38 Lith 3 % L3PERC L3PC S 2 % %
39 Lith 3 classification L3CLASS L3CL A 16 ---- ----
40 Lith 4 type L4TYPE L4TY A 16 ---- ----
41 Lith 4 % L4PERC L4PC S 2 % %
42 Lith 4 classification L4CLASS L4CL A 16 ---- ----
43 Lith 5 type L5TYPE L5TY A 16 ---- ----
44 Lith 5 % L5PERC L5PC S 2 % %
45 Lith 5 classification L5CLASS L5CL A 16 ---- ----
46 Fossils FOSS FOSS A 16 ---- ----
47 Composite Show COMPSHOW SHOW A 16 ---- ----
48 Bulk Density BULKDEN BDEN F 4 G/CC G/CC
49 Cuttings Gas GASCUTT GCUT F 4 % %
50 Calcimetry Calcite % CCAL CCAL F 4 % %
51 Calcimetry Dolomite % CDOL CDOL F 4 % %
52 Cuttings CEC CEC CEC F 4 MEHG MEHG
53 Cavings % CAVINGS CAV S 2 % %
54 Shale Density SHALEDEN SDEN F 4 G/CC G/CC
55 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
56 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
57 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
58 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
59 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 16 : HYDROCARBON SHOW

WITS Record ID 16 Logical Record Type 166 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data when a hydrocarbon show is detected. Sent when new data values are available.

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Show Number SHOWNUM SWNO S 2 ---- ----
9 Show Intvl Top Depth (meas) DEPTSITM DSTM F 4 M F
10 Show Intvl Top Depth (vert) DEPTSITV DSTV F 4 M F
11 Show Intvl Bott Depth(meas) DEPTSIBM DSBM F 4 M F
12 Show Intvl Bott Depth(vert) DEPTSIBV DSBV F 4 M F
13 Show Lith type SHLTYPE WLTY A 16 ---- ----
14 Show Lith classification SHLCLASS WLCL A 16 ---- ----
15 Show Lith color SHLCOLOR WLCO A 16 ---- ----
16 Show Lith texture SHLTEXT WLTX A 16 ---- ----
17 Show Lith hardness SHLHARD WLHD A 16 ---- ----
18 Show Lith grain size SHLSIZE WLSZ A 16 ---- ----
19 Show Lith roundness SHLROUND WLRD A 16 ---- ----
20 Show Lith sorting SHLSORT WLSO A 16 ---- ----
21 Show Lith matrix/cement SHLMC WLMC A 16 ---- ----
22 Show Lith accessories SHLACC WLAC A 16 ---- ----
23 Show Lith porosity -visible SHLPORV WLPV A 16 ---- ----
24 Show Lith porosity -meas SHLPORM WLPM F 4 % %
25 Show Lith permeability SHLPERM WLPE F 4 MD MD
26 Show Lith stain description SHLSTAIN WLST A 64 ---- ----
27 Show Lith fluor description SHLFLUOR WLFL A 64 ---- ----
28 Show Lith cut description SHLCUT WLCT A 64 ---- ----
29 Show Lith cuttings gas SHLGCUT WLGC F 4 % %
30 Show titrated salinity SHSAL WSAL L 4 PPM PPM
31 Show Mud Smple Methane METHMUD MTHM L 4 PPM PPM
32 Show Mud Smple Ethane ETHMUD ETHM L 4 PPM PPM
33 Show Mud Smple Propane PROPMUD PRPM L 4 PPM PPM
34 Show Mud Smple I-Butane IBUTMUD IBTM L 4 PPM PPM
35 Show Mud Smple N-Butane NBUTMUD NBTM L 4 PPM PPM
36 Show Mud Smple I-Pentane IPENMUD IPNM L 4 PPM PPM
37 Show Mud Smple N-Pentane NPENMUD NPNM L 4 PPM PPM
38 Show Mud Smple N-Pentane EPENMUD EPNM L 4 PPM PPM
39 Show Mud Smple I-Hexane IHEXMUD IHXM L 4 PPM PPM
40 Show Mud Smple N-Hexane NHEXMUD NHXM L 4 PPM PPM
41 Show Comments SHOWCOMM WCOM A 128 ---- ----
42 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
43 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
44 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
45 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
46 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 17 : CEMENTING

WITS Record ID 17 Logical Record Type 167 Auto/Manual AUTOMATIC
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Data acquired in real-time (possibly via Level 0 transfer). Averages are computed over the triggering interval and reset when the record is transmitted. Record only transmitted during a cementing operation

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Depth Casing Shoe (meas) DEPTCSGM DCGM F 4 M F
11 Depth Casing Shoe (vert) DEPTCSGV DCGV F 4 M F
12 Cem Pump Pressure (avg) CEMPPA CPPA F 4 KPA PSI
13 Hookload (avg) HKLA HKLA F 4 KDN KLB
14 Block Position BLKPOS BPOS F 4 M F
15 Cem Flow Rate In (calc) CEMFIC CFIC F 4 M3/M BPM
16 Cem Flow Rate In (avg) CEMFIA CFIA F 4 M3/M BPM
17 Cem Flow Rate Out (avg) CEMFOA CFOA F 4 M3/M BPM
18 Cem Flow Out % CEMFOP CFOP S 2 % %
19 Cem Fluid Dens In (avg) CEMDIA CDIA F 4 KGM3 PPG
20 Cem Fluid Dens Out (avg) CEMDOA CDOA F 4 KGM3 PPG
21 ECD at Casing Shoe ECDCSG ECDC F 4 KGM3 PPG
22 Cem Fluid Temp In (avg) CEMTIA CTIA F 4 DEGC DEGF
23 Cem Fluid Temp Out (avg) CEMTOA CTOA F 4 DEGC DEGF
24 Cem Stage Number CEMSTAGE CSTG S 2 ---- ----
25 Cem Depth to DV Tool DEPTDVT DDVT F 4 M F
26 Cem Fluid Type/Batch CEMFTYPE CTYP A 16 ---- ----
27 Cem Cumulative Returns CEMCUMRT CCRT F 4 M3 BBL
28 Cem Indiv Vol Pumped CEMIVOL CIVL F 4 M3 BBL
29 Cem Cement Vol Pumped CEMCVOL CCVL F 4 M3 BBL
30 Cem Total Vol Pumped CEMTVOL CTVL F 4 M3 BBL
31 Cem Volume to Bump Plug CEMBPVOL CBVL F 4 M3 BBL
32 Cem No./Status of Plug(s) CEMPLUGS CPLG A 8 ---- ----
33 Cem Job Type CEMJTYP CJTY A 16 ---- ----
34 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
35 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
36 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
37 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
38 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 18 : DRILL STEM TESTING

WITS Record ID 18 Logical Record Type 168 Auto/Manual AUTOMATIC
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Data acquired in real-time (possibly via Level 0 transfer). Record only sent during a drill stem testing operation

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 DST identification DSTID DSID A 8 ---- ----
9 DST Intvl Top Depth (meas) DEPTDITM DDTM F 4 M F
10 DST Intvl Top Depth (vert) DEPTDITV DDTV F 4 M F
11 DST Intvl Bott Depth (meas) DEPTDIBM DDBM F 4 M F
12 DST Intvl Bott Depth (vert) DEPTDIBV DDBV F 4 M F
13 DST Tool Time DSTTTIME DTTI L 4 HR HR
14 DST State of Well DSTSTATE DSTA S 2 ---- ----
15 DST Surf Pressure, Tubing DSTSPTUB DSPT F 4 KPA PSI
16 DST Surf Pressure, Casing DSTSPCAS DSPC F 4 KPA PSI
17 DST Surf Temp, Tubing DSTSTTUB DSTT F 4 DEGC DEGF
18 DST Bottom Hole Pressure DSTBHP DBHP F 4 KPA PSI
19 DST Bottom Hole Temp DSTBHT DBHT F 4 DEGC DEGF
20 DST Liquid Flow Rate DSTLIQFR DLFR F 4 M3/D BPD
21 DST Gas Flow Rate DSTGASFR DGFR F 4 MCMD MCFD
22 DST Total Flow Rate DSTTOTFR DTFR F 4 M3/D BPD
23 DST Cum Liquid Production DSTCLP DCLP F 4 M3 BBL
24 DST Cum Gas Production DSTCGP DCGP F 4 MCM MCF
25 DST Cum Total Production DSTCTP DCTP F 4 M3 BBL
26 Hydrogen Sulfide (avg) HSA HSA L 4 PPM PPM
27 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
28 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
29 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
30 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
31 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 19 : CONFIGURATION

WITS Record ID 19 Logical Record Type 169 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data. Record is sent when new data values are available

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 No. Drill String Sections DSNUM DSNO S 2 ---- ----
11 DS Section 1 OD DS1OD D1OD F 4 MM IN
12 DS Section 1 ID DS1ID D1ID F 4 MM IN
13 DS Section 1 Tool Joint ID DS1JID D1JI F 4 MM IN
14 DS Section 1 Tool Joint OD DS1JOD D1JO F 4 MM IN
15 DS Section 1 Mass/Length DS1MASS D1MA F 4 KG/M LB/F
16 DS Section 1 Length DS1LEN D1LE F 4 M F
17 DS Section 2 OD DS2OD D2OD F 4 MM IN
18 DS Section 2 ID DS2ID D2ID F 4 MM IN
19 DS Section 2 Tool Joint ID DS2JID D2JI F 4 MM IN
20 DS Section 2 Tool Joint OD DS2JOD D2JO F 4 MM IN
21 DS Section 2 Mass/Length DS2MASS D2MA F 4 KG/M LB/F
22 DS Section 2 Length DS2LEN D2LE F 4 M F
23 DS Section 3 OD DS3OD D3OD F 4 MM IN
24 DS Section 3 ID DS3ID D3ID F 4 MM IN
25 DS Section 3 Tool Joint ID DS3JID D3JI F 4 MM IN
26 DS Section 3 Tool Joint OD DS3JOD D3JO F 4 MM IN
27 DS Section 3 Mass/Length DS3MASS D3MA F 4 KG/M LB/F
28 DS Section 3 Length DS3LEN D3LE F 4 M F
29 DS Section 4 OD DS4OD D4OD F 4 MM IN
30 DS Section 4 ID DS4ID D4ID F 4 MM IN
31 DS Section 4 Tool Joint ID DS4JID D4JI F 4 MM IN
32 DS Section 4 Tool Joint OD DS4JOD D4JO F 4 MM IN
33 DS Section 4 Mass/Length DS4MASS D4MA F 4 KG/M LB/F
34 DS Section 4 Length DS4LEN D4LE F 4 M F
35 DS Section 5 OD DS5OD D5OD F 4 MM IN
36 DS Section 5 ID DS5ID D5ID F 4 MM IN
37 DS Section 5 Tool Joint ID DS5JID D5JI F 4 MM IN
38 DS Section 5 Tool Joint OD DS5JOD D5JO F 4 MM IN
39 DS Section 5 Mass/Length DS5MASS D5MA F 4 KG/M LB/F
40 DS Section 5 Length DS5LEN D5LE F 4 M F
41 DS Section 6 OD DS6OD D6OD F 4 MM IN
42 DS Section 6 ID DS6ID D6ID F 4 MM IN
43 DS Section 6 Tool Joint ID DS6JID D6JI F 4 MM IN
44 DS Section 6 Tool Joint OD DS6JOD D6JO F 4 MM IN
45 DS Section 6 Mass/Length DS6MASS D6MA F 4 KG/M LB/F
46 Kelly ID KELLYID KID F 4 MM IN
47 Kelly Length KELLYLEN KLEN F 4 M F
48 Drill Pipe Stand Length DPSTDLEN SLEN F 4 M F
49 No. Joints/Stand DPSTDJNT SJNT S 2 ---- ----
50 No. Hole Sections HOLENUM HLNO S 2 ---- ----
51 Hole Section 1 Diam HL1DIAM H1DI F 4 MM IN
52 Hole Section 1 Length HL1LEN H1LE F 4 M F
53 Hole Section 2 Diam HL2DIAM H2DI F 4 MM IN
54 Hole Section 2 Length HL2LEN H2LE F 4 M F
55 Hole Section 3 Diam HL3DIAM H3DI F 4 MM IN
56 Hole Section 3 Length HL3LEN H3LE F 4 M F
57 Hole Section 4 Diam HL4DIAM H4DI F 4 MM IN
58 Hole Section 4 Length HL4LEN H4LE F 4 M F
59 Hole Section 5 Diam HL5DIAM H5DI F 4 MM IN
60 Pump 1 Capacity PUMP1CAP P1CA F 4 M3ST B/ST
61 Pump 1 Efficiency PUMP1EFF P1EF S 2 % %
62 Pump 2 Capacity PUMP2CAP P2CA F 4 M3ST B/ST
63 Pump 2 Efficiency PUMP2EFF P2EF S 2 % %
64 Pump 3 Capacity PUMP3CAP P3CA F 4 M3ST B/ST
65 Pump 3 Efficiency PUMP3EFF P3EF S 2 % %
66 Rig Operating Cost/Hour RIGCOST RIGC S 2 ---- $
67 Trip Rate (Dist/Time) TRIPRATE TRRT F 4 KPH KF/H
68 Kill Line ID KILLID KLID F 4 MM IN
69 Kill Line Joint ID KILLJID KLJD F 4 MM IN
70 Kill Line Joint Fraction KILLJF KLJF S 2 % %
71 Kill Line Length KILLLEN KLLE F 4 M F
72 Choke Line ID CHKID CHID F 4 MM IN
73 Choke Line Joint ID CHKJID CHJD F 4 MM IN
74 Choke Line Joint Fraction CHKJF CHJF S 2 % %
75 Choke Line Length CHKLEN CHLE F 4 M F
76 Depth Casing Shoe (meas) DEPTCSGM DCGM F 4 M F
77 Depth Casing Shoe (vert) DEPTCSGV DCGV F 4 M F
78 Depth PIT (meas) DEPTPITM DPTM F 4 M F
79 Depth PIT (vert) DEPTPITV DPTV F 4 M F
80 Frac Pressure Grad at PIT FPGPIT FPIT F 4 KGM3 PPG
81 Drilling Contractor DRLGCONT CONT A 16 ---- ----
82 Rig Name RIGNAME RIG A 16 ---- ----
83 Rig Type RIGTYPE RTYP A 16 ---- ----
84 Vendor 1 Name/Service VENDOR1 VEN1 A 32 ---- ----
85 Vendor 2 Name/Service VENDOR2 VEN2 A 32 ---- ----
86 Vendor 3 Name/Service VENDOR3 VEN3 A 32 ---- ----
87 Vendor 4 Name/Service VENDOR4 VEN4 A 32 ---- ----
88 Vendor 5 Name/Service VENDOR5 VEN5 A 32 ---- ----
89 Vendor 6 Name/Service VENDOR6 VEN6 A 32 ---- ----
90 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
91 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
92 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
93 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
94 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 20 : MUD REPORT

WITS Record ID 20 Logical Record Type 170 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data for each mud report. Record is sent when new data values are available

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Mud Rept Depth (meas) MREPDM MRDM F 4 M F
9 Mud Rept Depth (vert) MREPDV MRDV F 4 M F
10 Mud Rept Number MREPNUM MNUM S 2 ---- ----
11 Mud Rept Mud Type MRMTYPE MTYP A 16 ---- ----
12 Mud Rept Sample Location MRSLOC MLOC A 8 ---- ----
13 Mud Rept Sample Date MRSDATE MDAT L 4 ---- ----
14 Mud Rept Sample Time MRSTIME MTIM L 4 ---- ----
15 Mud Rept Mud Density MRDENS MDEN F 4 KGM3 PPG
16 Mud Rept Funnel Vis MRFVIS MFV S 2 S/L S/QT
17 Mud Rept Funnel Vis Temp MRFVIST MFVT F 4 DEGC DEGF
18 Mud Rept Plastic Vis MRPV MPV F 4 CP CP
19 Mud Rept Yield Point MRYP MYP F 4 PA PHSF
20 Mud Rept Gel - 10 sec MRGEL10S MGL1 F 4 PA PHSF
21 Mud Rept Gel - 10 min MRGEL10M MGL2 F 4 PA PHSF
22 Mud Rept Gel - 30 min MRGEL30M MGL3 F 4 PA PHSF
23 Mud Rept Filtrate MRFILT MFIL F 4 C/30 C/30
24 Mud Rept Filter Cake MRCAKE MCAK S 2 MM I/32
25 Mud Rept HTHP Temp MRHT MHT F 4 DEGC DEGF
26 Mud Rept HTHP Pressure MRHP MHP F 4 KPA PSI
27 Mud Rept HTHP Filtrate MRHFILT MHFI F 4 C/30 C/30
28 Mud Rept HTHP Filter Cake MRHCAKE MHCK S 2 MM I/32
29 Mud Rept Solids % (retort) MRSOLRET MSOL F 4 % %
30 Mud Rept Water % (retort) MRWATRET MWAT F 4 % %
31 Mud Rept Oil % (retort) MROILRET MOIL F 4 % %
32 Mud Rept Sand % MRSAND MSAN F 4 % %
33 Mud Rept Low Grav Sol % MRLGSOL MLGS F 4 % %
34 Mud Rept Solids % (calc) MRSOLCAL MSCA F 4 % %
35 Mud Rept Barite content MRBARITE MBRT F 4 % %
36 Mud Rept LCM content MRLCM MLCM F 4 KGM3 PPB
37 Mud Rept MBT capacity MRMBT MMBT F 4 KGM3 PPB
38 Mud Rept pH MRPH MPH F 4 ---- ----
39 Mud Rept pH sample temp MRPHT MPHT F 4 DEGC DEGF
40 Mud Rept Pm MRPM MPM F 4 MLML MLML
41 Mud Rept Pf MRPF MPF F 4 MLML MLML
42 Mud Rept Mf MRMF MMF F 4 MLML MLML
43 Mud Rept P1 MRP1 MRP1 F 4 MLML MLML
44 Mud Rept P2 MRP2 MRP2 F 4 MLML MLML
45 Mud Rept Chlorides MRCHLOR MCHL F 4 MG/L MG/L
46 Mud Rept Calcium MRCALC MCAL F 4 MG/L MG/L
47 Mud Rept Magnesium MRMAG MMAG F 4 MG/L MG/L
48 Mud Rept Potassium MRPOT MPOT F 4 MG/L MG/L
49 Mud Rept Rheometer temp MRRHETEM MRHT F 4 DEGC DEGF
50 Mud Rept Viscom 3 rpm MRVIS3 M3 F 4 ---- ----
51 Mud Rept Viscom 6 rpm MRVIS6 M6 F 4 ---- ----
52 Mud Rept Viscom 100 rpm MRVIS100 M100 F 4 ---- ----
53 Mud Rept Viscom 200 rpm MRVIS200 M200 F 4 ---- ----
54 Mud Rept Viscom 300 rpm MRVIS300 M300 F 4 ---- ----
55 Mud Rept Viscom 600 rpm MRVIS600 M600 F 4 ---- ----
56 Mud Rept Brine % MRBRINE MBRI F 4 % %
57 Mud Rept Alkalinity MRALK MALK F 4 MLML MLML
58 Mud Rept Lime content MRLIME MLIM F 4 KGM3 PPB
59 Mud Rept Elect. Stability MRELECST MELS F 4 V V
60 Mud Rept CaCl, Wt % MRCACL MCCL F 4 % %
61 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
62 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
63 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
64 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
65 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 21 : BIT REPORT

WITS Record ID 21 Logical Record Type 171 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data at the start and end of each bit run. Record is sent when new data values are available

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Bit Number BTNUM BNUM A 8 ---- ----
9 Bit Diameter BTDIAM BDIA F 4 MM IN
10 Bit Manufacturer BTMANUF BMAN A 16 ---- ----
11 Bit Name BTNAME BNAM A 16 ---- ----
12 Bit IADC Code BTCODE BCOD A 8 ---- ----
13 Bit Serial Number BTSERNUM BSER A 16 ---- ----
14 Bit Cost BTCOST BCST F 4 $ $
15 Bit Jet 1 Diameter BTJET1 BJT1 F 4 MM I/32
16 Bit Jet 2 Diameter BTJET2 BJT2 F 4 MM I/32
17 Bit Jet 3 Diameter BTJET3 BJT3 F 4 MM I/32
18 Bit Jet 4 Diameter BTJET4 BJT4 F 4 MM I/32
19 Bit Center Jet Diameter BTJETCEN BJTC F 4 MM I/32
20 Bit Total Flow Area BTTFA BTFA F 4 MM2 SQIN
21 Bit Starting Depth (In) BTDEPIN BDPI F 4 M F
22 Bit Ending Depth (Out) BTDEPOUT BDPO F 4 M F
23 Bit Run Drilled Distance BTDDIST BDDI F 4 M F
24 Bit Run Drilled Time BTDTIME BDTI F 4 HR HR
25 Bit Run Reamed Time BTRTIME BRTI F 4 HR HR
26 Bit Penetration Rate (avg) BTROPA BRPA F 4 M/HR F/HR
27 Bit Weight-on-Bit (avg) BTWOBA BWBA F 4 KDN KLB
28 Bit Weight-on-Bit (max) BTWOBX BWBX F 4 KDN KLB
29 Bit Rotary Speed (avg) BTRPMA BRMA S 2 RPM RPM
30 Bit Rotary Speed (max) BTRPMX BRMX S 2 RPM RPM
31 Bit Mud Flow Rate (avg) BTMFA BMFA F 4 L/M GPM
32 Bit Mud Density (avg) BTMDA BMDA F 4 KGM3 PPG
33 Bit Standpipe Pressure (avg) BTSPPA BSPA F 4 KPA PSI
34 Bit Reason Run BTRUN BRUN A 16 ---- ----
35 Bit Reason Pulled BTPULL BPUL A 16 ---- ----
36 Bit Grade In BTGRDIN BGI A 16 ---- ----
37 Bit Grade Out BTGRDOUT BGO A 16 ---- ----
38 Bit Shock Sub Used ? BTSHKSUB BSHK A 1 ---- ----
39 Bit Mud Motor Used ? BTMUDMOT BMM A 1 ---- ----
40 Bit Comments BTCOMM BCOM A 128 ---- ----
41 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
42 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
43 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
44 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
45 < SPARE 5 > SPARE5 SPR5 F 4 --- ----
46 < SPARE 6 > SPARE6 SPR6 F 4 ---- ----
47 < SPARE 7 > SPARE7 SPR7 F 4 ---- ----
48 < SPARE 8 > SPARE8 SPR8 F 4 ---- ----
49 < SPARE 9 > SPARE9 SPR9 F 4 --- ----

Source: Energistics

 

 

RECORD # 22: REMARKS

WITS Record ID 22 Logical Record Type 172 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Depth Hole (meas) DEPTMEAS DMEA F 4 M F
9 Depth Hole (vert) DEPTVERT DVER F 4 M F
10 Comments COMM COMM A 256 ---- ----

Source: Energistics

 

 

RECORD # 23: WELL IDENTIFICATION

WITS Record ID 23 Logical Record Type 173 Auto/Manual MANUAL
Trigger [EVENT] Transmission is operator-initiated
Data Source Manually-entered data. Record is sent when new data values are available

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Well Name WELLNAME WELL A 32 ---- ----
9 Well Identification Number WELLNUM WNUM A 16 ---- ----
10 Operator OPERATOR OPER A 32 ---- ----
11 Well Classification (Lahee) WELLCLAS WCLS A 16 ---- ----
12 Well Location LOCATION WLOC A 32 ---- ----
13 Well Univ.Tran.Mercator WELLUTM WUTM A 16 ---- ----
14 Well Surface Latitude WELLLAT WLAT A 16 ---- ----
15 Well Surface Longitude WELLLON WLON A 16 ---- ----
16 Field Name FIELD FLD A 32 ---- ----
17 Elev : Datum-MSL ELEVDP ELDP F 4 M F
18 Elev : Kelly Bushing-MSL ELEVKB ELKB F 4 M F
19 Elev : Ground Level-MSL ELEVGL ELGL F 4 M F
20 Water Depth (mean) WATDEPT WDPM F 4 M F
21 Spud Date SPUDDATE SPDT L 4 ---- ----
22 Custom Field 01 Identifier CUS1 CUS1 A 32 ---- ----
23 Custom Field 02 Identifier CUS2 CUS2 A 32 ---- ----
24 Custom Field 03 Identifier CUS3 CUS3 A 32 ---- ----
25 Custom Field 04 Identifier CUS4 CUS4 A 32 ---- ----
26 Custom Field 05 Identifier CUS5 CUS5 A 32 ---- ----
27 Custom Field 06 Identifier CUS6 CUS6 A 32 ---- ----
28 Custom Field 07 Identifier CUS7 CUS7 A 32 ---- ----
29 Custom Field 08 Identifier CUS8 CUS8 A 32 ---- ----
30 Custom Field 09 Identifier CUS9 CUS9 A 32 ---- ----
31 Custom Field 10 Identifier CUS0 CUS0 A 32 ---- ----
32 Units Type used UNIT UNIT A 8 ---- ----
33 Time Zone Offset TOFFSET TOFF L 4 ---- ----
34 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
35 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
36 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
37 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----

Source: Energistics

 

 

RECORD # 24: VESSEL MOTION / MOORING STATUS

WITS Record ID 24 Logical Record Type 174 Auto/Manual AUTO/MANUAL
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Acquired sensor data (possibly via WITS Level 0 transfer), or manually-entered data. The record is transmitted and any automatic computations are reset at the end of the triggering interval

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Water Depth (mean) WATDEPT WDPM F 4 M F
9 Tide TIDE TIDE F 4 M F
10 Vessel Heading VESSHEAD VHED F 4 DEG DEG
11 Rig VCG RIGVCG RVCG F 4 M F
12 Riser Tension RISTENS RTEN F 4 KDN KLB
13 Rig Offset (avg) OFFSETA OFSA F 4 M F
14 Rig Offset (max) OFFSETX OFSX F 4 M F
15 Rig Offset Direction OFFSETD OFSD F 4 DEG DEG
16 LMRP Angle (avg) LMRPANA LANA F 4 DEG DEG
17 LMRP Angle (max) LMRPANX LANX F 4 DEG DEG
18 LMRP Angle, Direction LMRPAND LAND F 4 DEG DEG
19 Fluid Density in Riser MDRISER MDRI F 4 KGM3 PPG
20 Mooring Line #01 Tens(avg) MLTA01 TA01 F 4 KDN KLB
21 Mooring Line #01 Tens(max) MLTX01 TX01 F 4 KDN KLB
22 Mooring Line #02 Tens(avg) MLTA02 TA02 F 4 KDN KLB
23 Mooring Line #02 Tens(max) MLTX02 TX02 F 4 KDN KLB
24 Mooring Line #03 Tens(avg) MLTA03 TA03 F 4 KDN KLB
25 Mooring Line #03 Tens(max) MLTX03 TX03 F 4 KDN KLB
26 Mooring Line #04 Tens(avg) MLTA04 TA04 F 4 KDN KLB
27 Mooring Line #04 Tens(max) MLTX04 TX04 F 4 KDN KLB
28 Mooring Line #05 Tens(avg) MLTA05 TA05 F 4 KDN KLB
29 Mooring Line #05 Tens(max) MLTX05 TX05 F 4 KDN KLB
30 Mooring Line #06 Tens(avg) MLTA06 TA06 F 4 KDN KLB
31 Mooring Line #06 Tens(max) MLTX06 TX06 F 4 KDN KLB
32 Mooring Line #07 Tens(avg) MLTA07 TA07 F 4 KDN KLB
33 Mooring Line #07 Tens(max) MLTX07 TX07 F 4 KDN KLB
34 Mooring Line #08 Tens(avg) MLTA08 TA08 F 4 KDN KLB
35 Mooring Line #08 Tens(max) MLTX08 TX08 F 4 KDN KLB
36 Mooring Line #09 Tens(avg) MLTA09 TA09 F 4 KDN KLB
37 Mooring Line #09 Tens(max) MLTX09 TX09 F 4 KDN KLB
38 Mooring Line #10 Tens(avg) MLTA10 TA10 F 4 KDN KLB
39 Mooring Line #10 Tens(max) MLTX10 TX10 F 4 KDN KLB
40 Mooring Line #11 Tens(avg) MLTA11 TA11 F 4 KDN KLB
41 Mooring Line #11 Tens(max) MLTX11 TX11 F 4 KDN KLB
42 Mooring Line #12 Tens(avg) MLTA12 TA12 F 4 KDN KLB
43 Mooring Line #12 Tens(max) MLTX12 TX12 F 4 KDN KLB
44 Thruster #01, Force THRF01 TF01 F 4 KDN KLB
45 Thruster #01, Direction THRD01 TD01 F 4 DEG DEG
46 Thruster #02, Force THRF02 TF02 F 4 KDN KLB
47 Thruster #02, Direction THRD02 TD02 F 4 DEG DEG
48 Thruster #03, Force THRF03 TF03 F 4 KDN KLB
49 Thruster #03, Direction THRD03 TD03 F 4 DEG DEG
50 Thruster #04, Force THRF04 TF04 F 4 KDN KLB
51 Thruster #04, Direction THRD04 TD04 F 4 DEG DEG
52 Thruster #05, Force THRF05 TF05 F 4 KDN KLB
53 Thruster #05, Direction THRD05 TD05 F 4 DEG DEG
54 Thruster #06, Force THRF06 TF06 F 4 KDN KLB
55 Thruster #06, Direction THRF06 TD06 F 4 DEG DEG
56 Thruster #07, Force THRF07 TF07 F 4 KDN KLB
57 Thruster #07, Direction THRD07 TD07 F 4 DEG DEG
58 Thruster #08, Force THRF08 TF08 F 4 KDN KLB
59 Thruster #08, Direction THRD08 TD08 F 4 DEG DEG
60 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
61 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
62 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
63 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
64 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

Source: Energistics

 

 

RECORD # 25: WEATHER / SEA STATE

WITS Record ID 25 Logical Record Type 175 Auto/Manual AUTO/MANUAL
Trigger [TIME] Transmit at a specified time interval (secs)
Data Source Acquired sensor data (possibly via WITS Level 0 transfer), or manually-entered data. The record is transmitted and any automatic computations are reset at the end of the triggering interval

 

Item

Description

Long Mnemonic

Short Mnemonic

Type

Length

Metric Units

FPS Units

1 Well Identifier WELLID WID A 16 ---- ----
2 Sidetrack/Hole Sect No. STKNUM SKNO S 2 ---- ----
3 Record Identifier RECID RID S 2 ---- ----
4 Sequence Identifier SEQID SQID L 4 ---- ----
5 Date DATE DATE L 4 ---- ----
6 Time TIME TIME L 4 ---- ----
7 Activity Code ACTCOD ACTC S 2 ---- ----
8 Water Depth (mean) WATDEPT WDPM F 4 M F
9 Air Temperature AIRTEMP AIRT F 4 DEGC DEGF
10 Barometric Pressure BARPRES BARP F 4 KPA IHG
11 Waves, Significant Height WVSHGHT WVSH F 4 M F
12 Waves, Maximum Height WVMHGHT WVMH F 4 M F
13 Waves, Mean Period WVMPER WVMP S 2 SEC SEC
14 Waves, Direction WVDIR WVDI F 4 DEG DEG
15 Swell, Significant Height SWSHGHT SWSH F 4 M F
16 Swell, Maximum Height SWMHGHT SWMH F 4 M F
17 Swell, Mean Period SWMPER SWMP S 2 SEC SEC
18 Swell, Direction SWDIR SWDI F 4 DEG DEG
19 Wind Speed ( 1 min ) WINDSPD WSPD F 4 KPH MPH
20 Wind Gusts ( 5 sec ) WINDGUST WGST F 4 KPH MPH
21 Wind Direction WINDDIR WDIR F 4 DEG DEG
22 Anemometer Height ANEMHGHT ANEM F 4 M F
23 Current Speed CURRSPD CSPD S 2 KPH MPH
24 Current Direction CURRDIR CDIR F 4 DEG DEG
25 Depth current measured DEPTCURR DCUR F 4 M F
26 Vessel Mean Draft VESMDRFT VMD F 4 M F
27 Heave, Peak-to-Peak (sig) HEAVSIG HVSG F 4 M F
28 Heave, Peak-to-Peak (max) HEAVMAX HVMX F 4 M F
29 Heave, Mean Period HEAVMPER HVMP S 2 SEC SEC
30 Roll, Peak-to-Peak (sig) ROLLSIG RLSG F 4 DEG DEG
31 Roll, Peak-to-Peak (max) ROLLMAX RLMX F 4 DEG DEG
32 Roll, Mean Period ROLLMPER RLMP S 2 SEC SEC
33 Pitch, Peak-to-Peak (sig) PTCHSIG PTSG F 4 DEG DEG
34 Pitch, Peak-to-Peak (max) PTCHMAX PTMX F 4 DEG DEG
35 Pitch, Mean Period PTCHMPER PTMP S 2 SEC SEC
36 Yaw, Peak-to Peak (sig) YAWSIG YWSG F 4 DEG DEG
37 Yaw, Peak-to-Peak (max) YAWMAX YWMX F 4 DEG DEG
38 Yaw, Mean Period YAWMPER YWMP S 2 SEC SEC
39 Surge, Peak-to-Peak (sig) SURGSIG SUSG F 4 M F
40 Surge, Peak-to-Peak (max) SURGMAX SUMX F 4 M F
41 Surge, Mean Period SURGMPER SUMP S 2 SEC SEC
42 Sway, Peak-to-Peak (sig) SWAYSIG SYSG F 4 M F
43 Sway, Peak-to-Peak (max) SWAYMAX SYMX F 4 M F
44 Sway, Mean Period SWAYMPER SYMP S 2 SEC SEC
45 Trim TRIM TRIM F 4 DEG DEG
46 Heel HEEL HEEL F 4 DEG DEG
47 Weather Comments WSSCOMM WSCM A 128 ---- ----
48 < SPARE 1 > SPARE1 SPR1 F 4 ---- ----
49 < SPARE 2 > SPARE2 SPR2 F 4 ---- ----
50 < SPARE 3 > SPARE3 SPR3 F 4 ---- ----
51 < SPARE 4 > SPARE4 SPR4 F 4 ---- ----
52 < SPARE 5 > SPARE5 SPR5 F 4 --- ----

 

 

Level 2

WITS Level 2 builds on Level 1 through addition of WITS bidirectional dialogue through the use of LIS Comment records. This dialogue is used in synchronization at start up and after a communications line interruption, as well as permitting two-way messaging between the sender and receiver. Such messages might include requests for change in transmission intervals for certain records, for example.

Level 2b

WITS Level 2b adds the option to buffer data that has been transmitted, making it available for re-transmission in the event of non-receipt of data by the receiver. 

Level 4

WITS Level 4 employs a completely different format than the previous levels since it is based on the emerging data transfer standard of API RP66. The concepts of Pre-Defined Records and Bi-Directional Dialogue remain, but using RP66 as the formatting mechanism.

Industry Participation

Participants in the steering group include:

  • Baker Hughes INTEQ
  • Schlumberger Anadrill
  • Halliburton
  • Sperry Sun
  • MD/Totco

 

Experience

Operating companies for wells on which WITS services have been provided:

Amoco McMoran Occidental Arco ELF Shell Norsk Hydro Gupco
BHP Chevron PNG Phillips Conoco Statoil Soekor DuPont Maersk
Maraven Amerada Hess Corpoven Saga Mobil JNOC Exxon/Esso BP
Kuffprc Woodside

 

Service companies with experience providing WITS services

Baker Hughes INTEQ Anadrill Sperry Sun Martin Decker TOTCO
Halliburton Dowell Schlumberger Otis Datalog

 

Countries/areas where WITS services have been provided

Wits in the world 
United Kingdom Norway Denmark Holland Canada Trinidad
India Myanmar Tunisia United States Congo Malaysia
Australia Papua New Guinea Indonesia Venezuela South Africa Egypt
Nigeria Japan Namibia

 

Download Erdos Miller Free WITS Simulator 

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