Conoco Phillips - Engineering Numbering Systems (COPENS) - Document No. 2169 Rev9

8/18/2019 Conoco Phillips - Engineering Numbering Systems (COPENS) - Document No. 2169 Rev9

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Document / Revision No. Owner Approved

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5.5.1 Tag Sequence Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

5.5.2 Tag Descript ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

5.5.3 Other General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.5.4 Future tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.6 Category Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.6.1 Valid Category Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5.7 Secondary Alpha Prefix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

5.8 Equipment Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

5.8.1 Equipment Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

5.8.2 Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

5.9 Technical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

5.9.1 Funct ional Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

5.9.2 Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

5.9.3 Material Master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1015.9.4 Linking Plant & Equipment Documentation to the Functional Location

Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

5.10 Category Descriptions and Tag Number Requirements . . . . . . . . . . . .103

5.11 Secondary Alpha Prefix - Valid Codes . . . . . . . . . . . . . . . . . . . . . . . . . . 144

5.11.1 Alpha Prefix Legend - Category 01 HVAC & Refrigeration Equipment . . . . . . 144

5.11.2 Alpha Prefix Legend - Category 05 Fans (blowers) . . . . . . . . . . . . . . . . . . . . . . 145

5.11.3 Alpha Prefix Legend - Category 13 Computer Equipment . . . . . . . . . . . . . . . . 145

5.11.4 Alpha Prefix Legend - Category 26 Cables (incl. Umbil icals) . . . . . . . . . . . . . . 145

5.11.5 Alpha Prefix Legend - Category 28 & 43 Panels (Electrical & Instrument) . . . 1455.11.6 Alpha Prefix Legend - Junc tion Boxes - Category 13, 28, 43 & 80

- Electrical/Instrument /Telecomm/F & G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

5.11.7 Alpha Prefix Legend - Category 43 Fire & Gas Equipment . . . . . . . . . . . . . . . . 146

5.11.8 Alpha Prefix Legend - Category 43 Instrument Valves . . . . . . . . . . . . . . . . . . . . 147

5.11.9 Alpha Prefix Legend - Category 43 Instruments . . . . . . . . . . . . . . . . . . . . . . . . 148

5.11.10 Alpha Prefix/Suffix Legend - Category 43 PCDA control, alarm and

information signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

5.11.11 Alpha Prefix Legend - Category 60, Pipeline Systems

(pig launchers/receivers, pipelines, risers & J-Tube). . . . . . . . . . . . . . . . . . . 162

5.11.12 Alpha Prefix Legend - Category 60 Pipe Support / Penetration . . . . . . . . . . . 162

5.11.13 Alpha Prefix Legend - Category 13 & 80 Communication (telecom)

Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

5.11.14 Alpha Prefix Legend - Category 91 Automatic/Actuator Operated Valves . . 165

5.11.15 Alpha Prefix Legend - Category 93 Safety Relief Valves . . . . . . . . . . . . . . . . . 166

5.11.16 ISA Format Table (Alpha Pref ixes). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

5.12 Example of Tag Syntax for Typical Equipment Categories . . . . . . . . .168

5.13 Piping Line Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171


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5.13.1 Line Numbering Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

5.13.2 Line Sequence Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

5.13.3 Pipe Class Sheet (Speci ficati on). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

5.13.4 Pipe Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

5.13.5 Produc t Service Codes EKOll & new ins tallations (valid for EKOX, EKOJ, ELDE &

New installat ions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

5.13.6 Insu lation Class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

5.13.7 Optional Sub-Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

5.13.8 Pipe Line Numbering - for New Lines on EKOI Installations,

Excluding EKOX, EKOJ, ELDE & New Installati ons . . . . . . . . . . . . . . . . . . . . 179

5.13.9 Product Service Codes for EKOI Installations (not valid for EKOX, EKOJ, ELDE

and new installat ions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

5.14 Specification for Tag Nameplates & Labels . . . . . . . . . . . . . . . . . . . . . . 183

5.14.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

5.14.2 Design , Fabrication and Ins tallation o f Tag Nameplates . . . . . . . . . . . . . . . . . . 184

5.14.3 Tag Descrip tions on Tag Nameplates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

5.14.4 Examples of Standard/Overall Tag Nameplates . . . . . . . . . . . . . . . . . . . . . . . . . 187

5.14.5 Labeling of Cable and Core Identi fication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

5.14.6 Labeling of HVAC Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

5.14.7 Labeling of Piping wi th Color Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

SECTION - 6 DOCUMENT/DRAWING NUMBER ________________________ 201

6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .201

6.2 Document/Drawing Number Structure . . . . . . . . . . . . . . . . . . . . . . . . . . .201

6.2.1 Standard Document/Drawing Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

6.2.2 Document/Drawing Number for Exist ing Facilit ies . . . . . . . . . . . . . . . . . . . . . . . . 205

6.3 Drawing Number Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205

6.3.1 Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

6.3.2 Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

6.3.3 Supplier Documents and Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

6.4 Document/Drawing Titles and Descr iptions . . . . . . . . . . . . . . . . . . . . . .207

6.5 Document/Drawing Sub-Type Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . .207

6.5.1 Document Sub-Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

6.5.2 Drawing Sub-Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

SECTION - 7 ABBREVIATIONS - DOCUMENT/DRAWING & EQUIPMENTMODULE ____________________________________________ 219

7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219

7.1.1 Standard Abbreviation - Document/Drawing & Asset Register Module. . . . . . . 219


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2169 / 09 Director-Plant-and-Equipment-Information 11.09.2006

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1 Introduction

1.1 Purpose

These additional technical requirements are developed by ConocoPhillips Norway (COPNO)

and are intended to replace NORSOK Coding System, Z- DP-002.

These technical requirements cover requirements additional to the NORSOK Standards listedunder Normative References.

1.2 Scope

ConocoPhillips Engineering Numbering System (COPENS) shall be used for the coding of

equipment and documents for new development projects, modification projects as well as

maintenance related work.

1.3 User groups

User groups for this procedure are all personnel engaged in the allocation of equipment anddocument numbers associated with any ConocoPhillips new building project, modification

project or maintenance work.

1.4 Handling of non-conformances

This standard includes requirements that cannot be deviated from, unless an authorized

dispensation is obtained. Should there be any questions or uncertainties arising from these

requirements the Manager Maintenance shall be contacted. The Manager Maintenance shall

approve any eventual dispensation from this standard, accordance with document

4920 Avviksbehandling.


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1.5 Definitions

Alpha Pref ix codes Describes the technical objects function or type within the category

code

BD Company identifier in SAP (BD= COPNO)

Bill of Material (BOM) Components list for an object (Equipment BOM)

Construction Type Link to Material Master number in SAP

COPNO ConocoPhillips Norway

Design Documents Document category = D in SAP

DFO Documentation for Operations

Equipment Category Identification of an object type (numeric two digits)

Equipment Number A number that uniquely identifies the item and remains with the

object regardless of it's location (non-intelligent number).

ESD Emergency Shut Down (system)

Facility Name of plant/platform

Functional Location Functional address of an object (physical location = location)

F&G Fire & Gas (system)

Material Master

Number

Unique identification of a component type

PCDA Process Control & Data Acquistion (system)

PM program Preventive Maintenance program

PSD Process Shut Down (system)

Sequence Number A five (5) digit non-intelligent number (except for instruments)

Superior Functional

Location

General level above a functional location

Supplier Documents Vendor Documents = Manufacturer Documents.

Document category = V in SAP

System number Identifies a process/support or utility system

TAG Nameplate The physical label/plate, adjacent to the item, which identifies the

object's tag number and it’s description of it's function/service

TAG number A technical object's functional location address within a

system/facility

Technical Object A general term used to describe all equipment, packages and

components, which will be registered in the COPNO Asset

Register

Unit number Level above tag number


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1.6 Normative References

1.6.1 NORSOK Standards:

Z-001, Documentation for Operations (DFO)

Z-DP-002, Coding System

Z-003, Technical Information Flow Requirements

Z-004, CAD Symbol Libraries

Z-005, 2D CAD Drawing Standard

Z-008, Criticality Analysis for maintenance purposes

Z-015, Temporary Equipment

1.6.2 COPENS References:

2805 Utstyr som settes permanent ut av drift

4314 Documentation for Operations (DFO)

4583 Piping Design Requirements for New Installations and Modifications to Existing Facilities

4920 Avviksbehandling

4946 Endringer i utstyrsregisteret

4963 Vedlikeholdsstyring

4971 Registration and Modification of Plant and Equipment Documents

5047 Criticality analysis for maintenance purposes

5060 Piping & Valve Specification - Greater Ekofisk Field

5077 Specification for Piping Colour Coding and Marking

6232 Equipment for Temporary use offshore

1.6.3 Other References:

NS 5575 Ventilation duct - identification colors


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2 Facility/Area Code

2.1 Facility Code

Facility represents the common term for all installations (e.g. platforms, rigs, vessels, etc.) di-

rectly operated by ConocoPhillips. Facility Code is composed of max. four (4) alphanumeric

characters (Note that facility Tor & H-7, is described in SAP Asset register with 3 characters +one blank character).

A Facility includes associated structures like bridges, tripods, flares, pipelines, risers.

For example; EKOJ is bridged to EKOX, the bridge is there for the purpose of connecting

EKOJ, and therefore the bridge is associated as an area to EKOJ.

The Facility Code and the Area Code shall be registered in the company's equipment register

and document control system as attributes for identifying to which Facility and Area a

documents/equipment is applicable. However these attributes will not form part of the actualDocument/Drawing Number. Below are listed the ConocoPhillips Facility Codes:

NOTE: Any bridges , t ripods , f lares , p ipel ines , r isers, etc. connec ted to a

platform will be covered under one Facility Code, and fur ther identi-

fied through the Area Code, (section 2.2 Area Codes on page 9).

CODE FACILITY

GENERAL

BD01 Multiple Facilities and Equipment Information

LAND SITE

ONSH Onshore Facilities

PRODUCTION & TRANSPORTATION FACILITIESB-11 GAS BOOSTER – EMDEN PIPELINE

EKOA EKOFISK 2/4 ALPHA

EKOB EKOFISK 2/4 BRAVO

EKOC EKOFISK 2/4 CHARLIE

EKOD EKOFISK WEST 2/4 DELTA

EKOF EKOFISK 2/4 FTP

EKOH EKOFISK 2/4 HOTEL

EKOJ EKOFISK 2/4 JULIETT

EKOK EKOFISK 2/4 KILO

EKOL EKOFISK 2/4 LIMA (Future Living Quarters)

EKOM EKOFISK 2/4 MIKE

EKOQ EKOFISK 2/4 QUARTERS

EKOW EKOFISK 2/4 WHISKEY

EKOX EKOFISK 2/4 XRAY

ELDA ELDFISK 2/7 ALPHA


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2.2 Area Codes

"Area" as used in COPENS identifies a specific area, module or structure on or connected to a

platform. An Area has defined boundaries and it normally performs a function.

Area Code is composed of three (3) alphanumeric characters. The leading alpha character is

standard and shall not be deviated from, however, the two numeric characters shall be

developed by the design contractor and approved by the project.

The Facility Code and the Area Code shall be registered in the company's document system and

equipment register as attributes for associating a Facility and Area with specific equipment/

documents. These codes will not form part of the actual Document/ Drawing Number.

(see Section 6 Document/Drawing Number on page 201).

Typical examples of Area Code (also showing the applicable Facility Code):

ELDB ELDFISK 2/7 BRAVO

ELDE ELDFISK 2/7 ECHO

ELDF ELDFISK 2/7 FTP

EMBL ELDFISK 2/7 DELTA (EMBLA)

H-7 GAS BOOSTER – EMDEN PIPELINE

TOR TOR 2/4 ECHO

a) EKOK A00 = Platform General on EKOK

b) EKOX B01 = Bridge EKOX to EKOC

c) EKOA L02 = Pipeline EKOA - EKOM, 17" Oil/Gas

d) EKOM R04 = 17” Oil Import Riser, from EKOA

NOTE: An Area Code will onl y be unique when appear ing together wi th the

applicable Facility Code.

Example: Sub-Area Code B01 (Bridge no. 1) is used for several platforms.

Only in the combination EKOJ B01 will it mean a specific bridge; Bridge

from EKOJ to EKOX.

PRODUCTION & TRANSPORTATION FACILITIES

http://2169copensdocdrawing.pdf/http://2169copensdocdrawing.pdf/


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2.2.1 Area Type Codes

Below are listed the standard COPENS Area Type Codes:

Note: That area type codes can vary on old platforms).

2.2.2 Room numbering

Room numbering will function as a sub/sub-area and shall have the following structure. The

room number will consist of an additional 2 digits following the sub-area code; for ex. EKOMU10-32 Generator Room. Area code plus room number will be used in SAP equipment module

when registering functional location. However, only the area code will be used when cross

referencing documents/drawings.

CODE AREA TYPE DESCRIPTION

A Platform General (overall, non-area related)

B Bridge (between platforms or to tripod)

C Cellar Deck

D Drilling (module/rig)

F Flare (flare on platform or outlying flare, excl. tripod)

G GBS (gravity based structures)

H Helideck (incl. support structure and access routes from living

quarters)

J Platform Jacket (incl. conductor support frame)

K Deck Crane (main platform cranes)

L Pipeline (incl. expansion loop up to flange/weld to riser bend)

M Module Not in use

P Process (module)

Q Living Quarters (accommodation)

R Riser (def.: part of pipeline system which extend from first

flange/ weld or ESD valve above platform deck to

first flange/weld after bottom riser bend). Also in-

cludes J-tubes for umbilicals and cables.

S Hull

T Tripod (support-jackets under bridges and flares)

U Utility (module)

W Wellhead (area below drilling area - incl. subsea wellhead)

Z Space between

modules

Only to be used during project phase


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2.2.3 Sub-Area Codes

Facility Area Area Description

B11 A00 PLATFORM GENERAL

H01 HELIDECK & SUPPORT

J01 ALL JACKET (EXCEPT RISERS)

K01 EAST CRANE & PEDESTAL

K02 WEST CRANE & PEDESTAL

L01 36” GAS PIPELINE, B-11 TO H-7

P01 CONTROL ROOM LEVEL-CONTROL BUILDING

P02 PIG RECEIVER/LAUNCHER AREA - CELLAR DECK NORTH

P03 INLET GAS SCRUBBER AREA - CELLAR DECK MIDDLE

P04 RECYCLE COOLER AREA - UTILITY DECK NORTH/EAST

Q01 QUARTERS 1ST

FLOOR

Q02 QUARTERS 2ND FLOOR

Q03 QUARTERS 3RD FLOOR

R01 36" GAS EXPORT RISER TO H-7

R02 36" GAS IMPORT RISER FROM EKOJ

U01 SEA WATER PUMPS AREA - CELLAR DECK NORTH

U02 FRESH WATER COOLERS - CELLAR DECK SOUTH/EAST

U03 FIREWATER PUMPS AREA - CELLAR DECK SOUTH

U04 MECH.EQUIPMENT ROOM - CELLAR DECK SOUTH

U05 CELLAR DECK SOUTH/WEST INCL. LANDING AREA

U06 UTILITY DECK NORTH OF FIREWALL

U07 TRANSFORMER AREA - UTILITY DECK SOUTH

U08 AIR COMPRESSOR ROOM - UTILITY DECK SOUTH

U09 SWITCHGEAR ROOM - UTILITY DECK SOUTH

U10 GENERATOR ROOM - UTILITY DECK SOUTH

U11 KGB TURBINE AIR INTAKE - UTILITY DECK SOUTH

U12 P/L COMPRESSOR ROOM - EQUIP. DECK NORTH

U13 WORKSHOP/STORES AREA - EQUIP. DECK SOUTH

U14 ROOF DECK LAYDOWN AREA

U15 HELIDECK UTILITY AREA

U16 DIESEL STORAGE TANK - CELLAR DECK SOUTH/WEST

U17 DIESEL STORAGE & SLOP OIL TANKS - CELLAR DECK NORTH-

WEST

U18 DIESEL STORAGE TANKS - CELLAR DECK MIDDLE


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B11 U19 POTABLE & FRESHWATER STORAGE TANKS - CELLAR DECK

NORTH

U20 POTABLE & FRESHWATER STORAGE TANKS - CELLAR DECK

SOUTH



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EKOA A00 PLATFORM GENERAL

A01 STORAGE AREA/LAYDOWN DECKS

D01 DERRICK

D02 DRILL FLOOR

D03 BOP DECK

D04 SKID DECK

D05 SCHLUMBERGER UNIT

D06 CEMENT & ACIDIZING AREA

D07 PIPE RACK AREA

D08 BULK STORAGE AREA

D09 MUD MIXING AREA

D10 MUD TANKS & MUD PUMP AREA

D11 WELLHEAD AREA

D12 WELLHEAD AREA

D13 BURNER ROOM


J01 ALL JACKET (EXCEPT FOR RISERS)



L01 10" PIPELINE (Used for umbilical), FROM EKOF

L02 NOT IN USE (20" OIL/GAS PIPELINE, EKOA TO EKOF)

L03 NOT IN USE (6" GAS LIFT FROM EKOF TO EKOA)

L04 17" OIL/GAS PIPELINE EKOA TO EKOF

Q01 QUARTERS 1ST FLOOR



Q04 QUARTERS 4TH FLOOR



Q07 QUARTERS ROOF

R01 10" RISER(Used for umbilical), FROM EKOF

R02 NOT IN USE (20" OIL/GAS RISER, EKOA TO EKOF)

R03 6” GAS LIFT RISER FROM EKOF

R04 17" OIL/GAS RISER EKOA TO EKOF

U01 UTILITIES MODULE NORTH/EAST



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EKOA U02 UTILITIES MODULE NORTH/WEST

U03 DIESEL STORAGE DECK TANK

U04 POTABLE WATER STORAGE DECK TANK

U05 POTABLE WATER STORAGE DECK TANK

U06 FRESH WATER STORAGE DECK TANK

U07 EMERGENCY GENERATOR ROOM

U08 MAIN GENERATOR ROOM



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EKOB A00 PLATFORM GENERAL

A01 STORAGE AREA / LAYDOWN DECKS

A02 OFFICE / COFFEE ROOM

D01 DERRICK

D02 DRILL FLOOR

D03 BOP DECK

D04 SKID DECK


D06 CEMENT & ACIDIZING AREA

D07 PIPE RACK AREA



D10 WELLHEAD AREA

D11 WELLHEAD HYDR. ROOM

D12 BURNER BOOM




L01 10" OIL/GAS EKOB TO EKOF



L05 20" OIL/GAS PIPELINE TO EKOM

P01 CONTROL ROOM

P02 LAUNCHER AREA

P03 WATER SEPARATOR PACKAGE

P04 PUMPS

P05 TEST SEPARATOR

P06 DEGASSING POT

R01 10" FUEL GAS RISER EKOB TO EKOF

R02 18" OIL/GAS RISER EKOB TO EKOF

R03 22" OIL/GAS RISER EKOB TO EKOF

R04 8" GAS LIFT RISER FROM EKOC

R05 20" OIL/GAS RISER TO EKOM

U01 FRESH WATER TANK

U02 DIESEL STORAGE TANK



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EKOB U03 RAW FRESH WATER TANK

U04 POTABLE WATER TANK

U05 WORKSHOP

U06 WAREHOUSE

U07 AIR RECEIVER AREA

U08 STORAGE AREA

U09 GENERATOR PACKAGE

U10 EMERGENCY GEN. ROOM

U11 FIREWATER PUMPS



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EKOC A00 PLATFORM GENERAL

A01 MAINTENANCE WAREHOUSE & OFFICES

A02 CELLAR DECK CENTER

A03 OFFICE AREA

B01 STORAGE BRIDGE1 EKOC TO BS III

B02 STORAGE BRIDGE2 BS III TO EKOP

B03 QUARTERS BRIDGE EKOC TO EKOQ

D01 DRILLING DERRICK

D02 DRILL FLOOR

D03 BOP DECK

D04 SKID DECK


D06 CEMENT MIX UNIT

D07 PIPE RACK AREA



D10 ABOVE MUD TANKS AREA

D11 WELLHEAD AREA

D12 BURNER ROOM

D13 DRILLING GENERATOR ROOM




L01 8" GAS (COFLEXIP) EKOC TO EKOB

P01 CONTROL ROOM

P02 GAS SCRUBBER AREA

P03 GAS COOLER AREA

P04 FRESH WATER COOLER AREA

P05 COMPRESSOR TRAIN 1 - LEVEL B (EAST)

P06 COMPRESSOR TRAIN 2 - LEVEL B (WEST)

R01 8" GAS RISER EKOC TO EKOB

T01 BRIDGE SUPPORT III EKOC TO EKOP

U01 BELOW CELLAR DECK

U06 MOTOR CONTROL CENTER

U07 COMPRESSOR UTILITY TRAIN 1 – LEVEL C (EAST)



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EKOC U08 COMPRESSOR UTILITY TRAIN 2 – LEVEL C (WEST)

U09 TRAIN 1 TURBINE ROOM ROOF

U10 TRAIN 2 TURBINE ROOM ROOF

U11 LOCAL EQUIPMENT ROOM



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EKOF A00 PLATFORM GENERAL

B01 FLARE BRIDGE 1 EKOF TO BS 1

B02 FLARE BRIDGE 2 BS 1 TO EKOW

B03 FLARE BRIDGE 3 EKOW TO FL 1

B04 PRODUCTION BRIDGE EKOF TO EKOQ

F01 FLARE I & STRUCTURE (SOUTH)





L01 6” GAS LIFT, EKOF TO EKOA

L02 10” FUEL GAS EKOF TO EKOB

L03 10” PIPELINE (Used for umbilical), EKOF to EKOA

P01 2/4A RECEIVERS/LAUNCHER (SOUTH WEST 20M)

P02 2/4B RECEIVERS/LAUNCHER (EAST CENTER 20M)

P03 CRUDE OIL PUMPS/SKIMMER TANK (SOUTH-CENTER 20M)

P04 SETTLING TANKS

P05 CELLAR DECK NORTH END

P06 1ST STAGE SEPARATORS

P07 EXCHANGER SKID (LOWER)

P08 CONTAINER AREA (LOWER)

P09 OLD TURBINE AREA

P10 WORLEY SEPARATOR PKG.

P11 OLD TURBINE AREA

P12 V3011

P13 CONTAINER AREA (UPPER)

P14 2ND + 3RD STAGE SEPARATORS

P15 EXCHANGER SKID (TOP)

P16 COOLER PKG.

P17 TURBINE PKG. LAYDOWN DECK

P18 CONTROL ROOM

P19 SOUTH EAST 20M DECK

R01 10" RISER (FOR UMBILICAL) TO EKOA

R02 20” OIL/GAS RISER FROM EKOA

R03 NOT IN USE (10" OIL/GAS RISER FROM EKOB)



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EKOF R04 18" OIL/GAS RISER FROM EKOB

R05 22" OIL/GAS RISER FROM EKOB

R06 6" GAS LIFT RISER EKOF TO EKOA

T01 BRIDGE SUPPORT 1 EKOF TO EKOW

T02 FLARE 1 SUPPORT (SOUTH)

U01 LOWER WORKSHOP

U02 WELD SHOP

U03 TRANSFORMER DECK



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EKOH A00 PLATFORM GENERAL

B01 HOTEL BRIDGE EKOH TO EKOC


H02 HELICOPTER HANGAR

J01 ALL JACKET

K01 SOUTH CRANE & PEDESTAL

Q00 MAIN FLOOR







U00 UTILITIES MODULE - GENERAL

U01 CELLAR DECK

U02 MEZZANINE DECK



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EKOJ A00 PLATFORM GENERAL

B01 BRIDGE EKOJ - EKOX

B02 FOR EQUIPMENT LOCATED ON EKOM - B02

C00 MODULE SUPPORT FRAME - GENERAL

C01 MSF UTILITY AREA – LEV. 1 & LEV. 1 MEZZ. (C11 & C21)

C02 MSF PROC. AREA – LEV. 1 & LEVEL 1 MEZZ. (C12 &C22)

C03 MSF RISER AREA – LEV. 1 & LEV. 1 MEZZ. (C13 & C23)

C10 MSF ALL AREAS - LEVEL 1

C11 MSF UTILITY AREA - LEVEL 1

C12 MSF PROCESS AREA - LEVEL 1

C13 MSF RISER AREA - LEVEL 1

C20 MSF ALL AREAS - LEVEL 1 MEZZ.

C21 MSF UTILITY AREA - LEVEL 1 MEZZ.

C22 MSF PROCESS AREA - LEVEL 1 MEZZ.

C23 MSF RISER AREA - LEVEL 1 MEZZ.

F01 FLARE BOOM

I00 INJECTION COOLER MODULE

J01 JACKET

K01 NORTH CRANE & PEDESTAL

K02 SOUTH CRANE & PEDESTAL

L00 PIPELINE GENERAL

L01 24" OIL PIPELINE FROM ELDB

L02 30" GAS PIPELINE FROM ELDB

L03 14" OIL/GAS PIPELINE FROM TOR

L04 34" OIL PIPELINE TO TEESSIDE

L05 36" GAS PIPELINE TO EMDEN

L06 20" OIL PIPELINE FROM VALHALL

L07 20" GAS FROM VALHALL (CANCELLED)

L08 20" OIL PIPELINE FROM ULA

L09 12" GAS PIPELINE FROM GYDA

L10 6" GAS/FUEL PIPELINE EKOJ TO EKOK

P00 PROCESS MODULE GENERAL

P10 PROC. MOD. - LEVEL 1

P11 PROC. MOD. - LEVEL 1 SOUTH

P12 PROC. MOD. - LEVEL 1 NORTH



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236

EKOJ P15 PROC. MOD. - LEVEL 1 & LEV. 1 MEZZ. (P10&P20)

P20 PROC. MOD. - LEVEL 1 MEZZ.

P21 PROC. MOD. - LEVEL 1 MEZZ. SOUTH

P22 PROC. MOD. - LEVEL 1 MEZZ. NORTH

P30 PROC. MOD. - LEVEL 2

P31 PROC. MOD. - LEVEL 2 SOUTH

P32 PROC. MOD. - LEVEL 2 NORTH

P35 PROC. MOD. - LEVEL 2 & ABOVE (P10 & P20)

P40 PROC. MODULE - LEVEL 2 MEZZ.

P41 PROC. MOD. - LEVEL 2 MEZZ. SOUTH

P42 PROC. MOD. - LEVEL 2 MEZZ. NORTH

P50 PROC. MOD. - WEATHER DECK

P51 PROC. MOD. - WEATHER DECK SOUTH

P52 PROC. MOD. - WEATHER DECK NORTH

P61 PROC. MOD. - WEATHER DECK MEZZ. SOUTH

P62 PROC. MOD. - WEATHER DECK MEZZ. NORTH

P70 PROC. MOD. - UPPER WEATHER DECK

P71 PROC. MOD. - UPPER WEATHER DECK SOUTH

P72 PROC. MOD. - UPPER WEATHER DECK NORTH

R00 RISER MODULE

R01 24” OIL RISER FROM ELDF

R02 30” GAS RISER FROM ELDF

R03 14” OIL/GAS RISER FROM TOR

R04 34" OIL RISER, EKOJ TO TEESSIDE

R05 36" GAS RISER, EKOJ TO EMDEN

R06 20" OIL RISER FROM VALHALL

R07 20" GAS RISER FROM VALHALL (CANCELLED)

R08 20" OIL RISER FROM ULA

R09 12" GAS RISER FROM GYDAR10 6" GAS FUEL RISER, EKOJ TO EKOK

R11 J – TUBE FIBRE OPTIC CABLE & EMDEN SSIV UMBILICAL

R12 J – TUBE FOR TEESSIDE SSIV UMBILICAL

P62 PROC. MOD. - WEATHER DECK MEZZ. SOUTH

P70 PROC. MOD. - WEATHER DECK MEZZ. NORTH



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236

EKOJ P71 PROC. MOD. - UPPER WEATHER DECK SOUTH

P72 PROC. MOD. - UPPER WEATHER DECK NORTH

R00 RISER MODULE



R03 14” OIL/GAS RISER FROM TOR

R04 34" OIL RISER, EKOJ TO TEESIDE

R05 36" GAS RISER,EKOJ TO EMDEN

R06 20" OIL RISER FROM VALHALL

R07 20" GAS RISER FROM VALHALL (CANCELLED)

R08 20" OIL RISER FROM ULA

R09 12" GAS RISER FROM GYDA

R10 6" GAS FUEL RISER, EKOJ TO EKOK

R11 J – TUBE FIBRE OPTIC CABLE & EMDEN SSIV UMBILICAL

R12 J – TUBE FOR TEESIDE SSIV UMBILICAL

S00 SEPARATION MODULE - GENERAL

S10 SEP. MOD. - LEVEL 1

S11 SEP. MOD. - LEVEL 1 SOUTH

S12 SEP. MOD. - LEVEL 1 NORTH

S15 SEP. MOD. - LEVEL 1 & LEV. 1 MEZZ. (S10&S20)

S20 SEP. MOD. - LEVEL 1 MEZZ.

S21 SEP. MOD. - LEVEL 1 MEZZ. SOUTH

S22 SEP. MOD. - LEVEL 1 MEZZ.NORTH

S30 SEP. MOD. - LEVEL 2

S31 SEP. MOD. - LEVEL 2 SOUTH

S32 SEP. MOD. - LEVEL 2 NORTH

S35 SEP. MOD. - LEVEL 2 & MEZZ. (S30&S40)

S40 SEP. MOD. - LEVEL 2 MEZZ.

S41 SEP. MOD. - LEVEL 2 MEZZ. SOUTH

S42 SEP. MOD. - LEVEL 2 MEZZ. NORTH

S50 SEP. MOD. - WEATHER DECK

S51 SEP. MOD. - WEATHER DECK SOUTH

S52 SEP. MOD. - WEATHER DECK NORTH

S60 SEP. MOD. - WEATHER DECK MEZZ.

S61 SEP. MOD. - WEATHER DECK MEZZ. SOUTH



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EKOJ S62 SEP. MOD. - WEATHER DECK MEZZ. NORTH

S70 SEP. MOD. - UPPER WEATHER DECK

S71 SEP. MOD. - UPPER WEATHER DECK SOUTH

S72 SEP. MOD. - UPPER WEATHER DECK NORTH

U00 UTILITIES MODULE - GENERAL

U10 UTIL. MOD. - LEVEL 1

U11 UTIL. MOD. - LEVEL 1 SOUTH

U12 UTIL. MOD. - LEVEL 1 NORTH

U20 UTIL. MOD. - LEVEL 1 MEZZ.

U21 UTIL. MOD. - LEVEL 1 MEZZ. SOUTH

U22 UTIL. MOD. - LEVEL 1 MEZZ. NORTH




U35 UTIL. MOD. - LEVEL 2 & LEV. 2 MEZZ. (U30&U40)

U40 UTIL. MOD. - LEVEL 2 MEZZ.

U41 UTIL. MOD. - LEVEL 2 MEZZ. SOUTH

U42 UTIL. MOD. - LEVEL 2 MEZZ. NORTH




Z00 HOOK-UP, GENERAL EKO-J - EKOX

ZBX HOOK-UP, B01 - EKOX

ZCB HOOK-UP, C00 - B01

ZCJ HOOK-UP, C00 - J00

ZJC HOOK-UP, EKOJ - EKOC

ZJF HOOK-UP, EKOJ - EKOF

ZJH HOOK-UP, EKOJ - EKOH

ZJR HOOK-UP, EKOJ - EKOR

ZJX HOOK-UP, EKOJ - EKOX

ZPC HOOK-UP, P00 - C00

ZPF HOOK-UP, P00 - F00

ZPI HOOK-UP, P00 - I00

ZSC HOOK-UP, S00 - C00

ZSP HOOK-UP, S00 - P00



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EKOJ ZUC HOOK-UP, U00 - C00

ZUP HOOK-UP, U00 - P00

ZUS HOOK-UP, U00 - S00



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236

EKOK A00 PLATFORM GENERAL

B01 BRIGDE EKOK TO EKOB




L01 12" WATER EKOK TO EKOW

R01 12" WATER INJECTION RISER TO EKOW

R02 24” WATER INJECTION RISER FROM ELDE

R03 6” FUEL GAS RISER FROM EKOJ

13A CELLAR DECK - GENERAL

13C CELLAR DECK CENTRE

13N CELLAR DECK NORTH

13S CELLAR DECK SOUTH

15A UTILITY MODULE

15B POWER MODULE

15C WATER INJECTION MODULE

15D WATER TREATMENT MODULE

15E WELLHEAD MODULE

15F DEAREATOR

16A ACCOMMODATION

16B BULK MODULE

16C PUMP MODULE

16D RESERVE MODULE

16E ENGINE MODULE

16F SKID BASE

16G SUBSTRUCTURE

16H DERRICK

16K NOT IN USE (COMPLETION RIG, REMOVED)

16L NOT IN USE (PUMP & MUD MOD, COMP RIG)

16M NOT IN USE (ENGINE MOD, COMPL. RIG)

17A NOT IN USE (BRIDGE) Replaced by B01

18A FLARE BOOM

19A HELIDECK



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EKOL A00 PLATFORM GENERAL (FUTURE)

B01 EKOL TO EKOM



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EKOM A00 PLATFORM GENERAL

B00 BRIDGE GENERAL

B01 EKOM TO BRIDGE SUPPORT T01

B02 BRIDGE SUPPORT T01 TO EKOJ

J01 JACKET (EXCEPT RISERS)

K01 DECK CRANE

K01-01 DECK CRANE PEDESTAL

K01-02 DECK CRANE CABIN

K01-03 DECK CRANE MACHINE ROOM

L05 6" GAS LIFT EXPORT PIPELINE TO EKOA

P00 PROCESS AREA-GENERAL

P01 PIPE SUPPORT RACK

P01-20 STORAGE AREA FOR OIL & CHEMICALS

P01-21 STORAGE AREA FOR PRESSURISED BOTTLES

P01-22 STORAGE AREA FOR OXYGEN BOTTLES

P01-23 CRANE BOOM REST

P30 PROCESS AREA LEVEL 1 INTERM. DECK

P30-01 HYDROCYCLONE SKID AREA (EAST)

P30-02 SEPARATOR VALVE AREA

P30-03 CRUDE OIL COOLER AREA

P30-04 HPU SKID AREA

P30-05 HYDROCYCLONE SKID AREA (WEST)

P30-06 DIESEL TREATMENT AREA

P30-10 ESCAPE ROUTE (NORTH)

P30-11 ESCAPE ROUTE (EAST)

P30-12 ESCAPE ROUTE (SOUTH)

P30-13 ESCAPE ROUTE (WEST)

P30-14 STAIRS (SOUTH)

P30-20 HANDLING AREA (NORTH)

P30-21 HANDLING AREA (SOUTH)

P40 PROCESS AREA LEVEL 2 INTERM. DECK-MEZZ

P40-01 HP PRODUCTION WATER COALESCER AREA

P40-02 HP PRODUCTION SEPARATOR AREA

P40-03 CHEMICAL INJECTION SKID AREA

P40-04 FLASH TANK AREA



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EKOM P40-05 REJECT OIL TREATMENT SKID AREA

P40-06 TEST SEPARATOR AREA




P40-13 ESCAPE ROUTE

P40-14 HANDLING AREA

P50 PROCESS AR5A LEVEL 3 WEATHER DECK

P50-01 PSV AREA (EAST)

P50-02 PSV AREA (WEST)

P50-03 TEMPORARY STORAGE AREA

P50-04 SCALE INHIBITOR AREA





P50-14 ESCAPE AREA (SOUTH)

P50-20 HAZARDOUS WASTE STORAGE

P50-22 FUTURE PIG HANDLING AREA (NORTH)

P50-23 FUTURE PIG RECEIVER AREA (NORTH)

P50-24 STAIR TO P60 DECK

P50-25 LIFT MACHINE ROOM

P50-30 TEMPORARY GENERATOR AREA

P50-31 PIG RECEIVER AREA (SOUTH)

P50-32 PIG HANDLING AREA (SOUTH)

P60 PROCESS AREA LEVEL 4 TOTE TANK DECK


P60-02 TOTE TANK AREA



P60-05 ESCAPE ROUTE (SOUTHWEST)


P60-31 VALVE AREA FOR PIG RECEIVERS

R00 RISERS-GENERAL

R01 20" EXPORT RISER (FUTURE)



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EKOM R02 20" OIL IMPORT RISER FROM EKOB(FUTURE)

R03 16" WEST EKOFISK PROD. IMPORT RISER(FUTURE)

R04 17" OIL IMPORT RISER FROM EKOA

R05 6" GAS LIFT EXPORT RISER TO EKOA(FUTURE)

R06 16" NEW SUBSEA DEVELOP. IMPORT RISER(FUTURE)

R07 10" J-TUBE-UMBILICAL TO EKOA(J3)(FUTURE)

R08 10" J-TUBE ELECT./UMBILICAL(J2) (FUTURE)

R09 10" J-TUBE ELECT./UMBILICAL(J1) (FUTURE)

R10 16" J-TUBE HYDRAULICS(J4) (FUTURE)

R11 16" J-TUBE HYDRAULICS(J5) (FUTURE)

T01 BRIDGE SUPPORT

U00 UTILITY AREA-GENERAL

U09 UTILITY AREA UNDER CELLAR DECK

U09-01 OPEN DRAIN AREA

U10 UTILITY AREA LEVEL 1 CELLAR DECK

U10-01 TRANSFORMER ROOM

U10-02 DELUGE SKID AREA

U10-03 CAISSON AREA

U10-04 BATTERY ROOM

U10-05 MECHANICAL WORKSHOP

U10-06 ELECT/INSTR./TELECOMS WORKSHOP

U10-07 HVAC ROOM SUPPLY

U10-08 J-TUBE AREA

U10-09 HVAC ROOM EXTRACT

U10-10 FIRE TEAM ROOM

U10-11 HPU AREA

U10-12 HVAC INLET

U10-13 WELL SERVICE PUMP ROOM

U10-19 ESCAPE ROUTE (EAST)

U10-20 ESCAPE ROUTE (NORTH)

U10-21 ESCAPE ROUTE (WEST)

U10-22 ESCAPE ROUTE (SOUTHWEST)

U10-23 STAIR TOWER (WEST)

U10-24 LIFT

U10-25 TRUCK PARK



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EKOM U10-27 BRIDGE LANDING AREA (NORTH)

U10-28 LIFEBOAT STATION

U10-29 MUSTER AREA

U10-30 WASTE SORTING AREA

U10-31 CARGO CONTAINERS AREA

U10-32 GENERATOR ROOM

U10-33 STAIRS (SOUTHWEST)

U10-34 ESCAPE ROUTE (SOUTH)

U10-35 FRACKING STATION

U10-36 FIN FAN AREA

U10-37 AIR RECEIVER & NITROGEN GENERATOR

U20 UTILITY AREA LEVEL 2 CELLAR DECK-MEZZ.

U20-01 HIGH VOLTAGE ROOM

U20-02 LOW VOLTAGE ROOM

U20-05 EMERGENCY SWITCHGEAR ROOM

U20-06 LOCAL EQUIPMENT ROOM

U20-10 ESCAPE ROUTE (NORTH)

U20-11 ESCAPE ROUTE (WEST)

U20-12 ESCAPE ROUTE (SOUTH)

U20-14 AIR COMPRESSOR ROOM

U20-15 HANDLING AREA

U20-16 WASTE FOOD CONTAINER AREA

U20-17 WIND BREAK

U20-21 ARCHIVE & COPY ROOM

U20-22 OFFICE 1

U20-23 OFFICE 2

U20-24 MEETING & RECREATION ROOM

U20-25 COFFEE BAR

U20-26 PC-OFFICE

U20-27 RECREATION ROOM, SMOKING

U20-30 CORRIDOR

U20-31 BROOM CLOSET

U20-32 WC 1

U20-33 WC 2

U20-34 URINAL



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EKOM W00 WELLBAY AREA-GENERAL

W09 WELLBAY AREA UNDER CELLAR DECK

W09-01 DRAIN TANK AREA

W09-02 DRAIN PUMP AREA

W10 WELLBAY AREA LEVEL 1 CELLAR DECK

W10-01 WELLBAY AREA (NORTH)

W10-02 WELLBAY AREA (SOUTH)

W10-03 MANIFOLD AREA (NORTH)

W10-04 MANIFOLD AREA (SOUTH)

W10-05 RISER AREA (NORTH)

W10-06 RISER AREA (SOUTH)

W10-07 FUTURE PUMP AREA

W10-08 HOSE LOADING STATION

W10-09 ESCAPE ROUTE (EAST)

W10-10 STAIRS (NORTH)

W10-11 STAIRS (SOUTH)

W10-12 ESCAPE ROUTE (NORTH)

W10-14 ESCAPE ROUTE (SOUTH)

W10-15 ESCAPE ROUTE WEST

W20 WELLBAY AREA LEVEL 2 CELLAR DECK-MEZZ.



W20-03 MANIFOLD VALVE ACCESS DECK (NORTH)

W20-04 MANIFOLD VALVE ACCESS DECK (SOUTH)

W20-05 ESD & TANK AREA (NORTH)

W20-06 ESD & TANK AREA (SOUTH)


W20-11 ESCAPE ROUTE (WEST)

W20-12 ESCAPE ROUTE (SOUTHWEST)

W20-13 ESCAPE ROUTE (NORTHEAST)

W20-14 ESCAPE ROUTE (SOUTHEAST)

W30 WELLBAY AREA LEVEL 3 INTERV. DECK



W30-03 INTERVENTION SKID RAILS AREA (NORTH)



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EKOM W30-04 INTERVENTION SKID RAILS AREA (SOUTH)

W30-05 SLURRY TANK AREA

W30-06 HIGH PRESSURE PUMP AREA

W30-07 FUTURE RISER ESD VALVE AREA (NORTH)

W30-08 FUTURE RISER ESD VALVE AREA (SOUTH)

W30-09 LAYDOWN AREA (NORTH)

W30-10 LAYDOWN AREA (SOUTH)





W30-15 FRACKING STATION

W40 WELLBAY AREA LEVEL 4 INTERV. DECK-MEZZ.

W40-01 SLURRY TANK AREA

W40-02 HYDRAULIC POWER PACK AREA

W40-03 HIGH PRESSURE MANIFOILD AREA

W40-05 AREA FOR SIMOPS CABIN




W50 WELLBAY AREA LEVEL 5 WEATHER DECK

W50-01 PSV AREA (NORTH)

W50-02 PSV AREA (SOUTH)

W50-03 WELLBAY WEATHER DECK AREA (NORTH)

W50-04 WELLBAY WEATHER DECK AREA (SOUTH)

W50-05 BRIDGE LANDING AREA FOR JACK-UP RIG (NORTH)

W50-06 BRIDGE LANDING AREA FOR JACK-UP RIG (SOUTH)

W50-07 STORAGE AREA FOR RADIOACTIVE ISOTOPE

W50-08 LAYDOWN AREA (SOUTH)




W50-23 ESCAPE ROUTE (SOUTHWEST)


Z01 HOOK-UP AREA, P01 B01



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EKOM Z02 HOOK-UP AREA, B01 T01 - B02

Z03 HOOK-UP AREA, B02 C11 (EKOJ)

Z04 HOOK-UP AREA, B01 J01

Z09 HOOK-UP AREA, U09 - W09 - J01

Z10 HOOK-UP AREA, U10 - W10

Z20 HOOK-UP AREA, U20 - W20

Z30 HOOK-UP AREA, P30 W30

Z50 HOOK-UP AREA, P50 W50

Z60 HOOK-UP AREA, P60



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EKOQ A00 GENERAL


P01 PIPELINE





Q05 QUARTERS ROOF

U01 FIREWATER PUMP ROOM

U02 BRIDGE AREA

EKOW A00 PLATFORM GENERAL


K01 EAST CRANE

P01 CELLAR DECK

P02 MEZZANINE DECK

R01 12" WATER INJECTION RISER FROM EKOK

U01 WEATHER DECK



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236

EKOX A00 PLATFORM GENERAL

B01 BRIDGE EKOX - EKOC

C00 MODULE SUPPORT FRAME - GENERAL

C01 MSF - CELLAR DECK

D00 DRILLING GENERAL

D10 CAPPING BEAM LEVEL

D11 SKID BEAM

D12 SKID BEAM

D13 SKID BRACE

D14 SKID BRACE

D15 N/S SKID JACK

D16 N/S SKID JACK

D17 N/S SKID JACK

D18 N/S SKID JACK

D20 BOP LEVEL

D21 PRIMARY MUD BOX

D22 BOP CONTROL BOX

D23 BOP DECK

D24 BOP PLATFORM

D25 E/W SKID JACK

D26 E/W SKID JACK

D30 SHAKER DECK LEVEL

D31 SHAKER BOX

D32 UTILITY BOX

D40 DRILL FLOOR LEVEL

D41 DRILL FLOOR

D42 WINDWALLS, V-DOOR AND WIRELINE DOOR

D43 NORTH STAIRS

D44 SOUTH STAIRS

D45 DRILLERS' CABIN

D46 MANIFOLD BOX

D47 MCC BOX

D48 WORK AREA BOX

D50 RIG FLOOR ROOF

D60 DERRICK GENERAL



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EKOX D70 MUD MODULE LOWER LEVEL

D75 SLURRY UNIT MODULE

D80 MUD MODULE MEZZANINE LEVEL

D90 MUD MODULE PIPE DECK LEVEL


K13 DECK CRANE SOUTH

K14 DECK CRANE NORTH

T01 BRIDGE SUPPORT (TRIPOD)

U10 UTILITY AREA CELLAR DECK

U20 UTILITY AREA MEZZANINE DECK

U30 UTILITY AREA WEATHER DECK

W00 WELLHEAD AREA GENERAL

W11 WELLHEAD AREA 1 CELLAR DECK

W12 WELLHEAD AREA 2 CELLER DECK

W21 WELLHEAD AREA 1 MEZZANINE DECK

W22 WELLHEAD AREA 2 MEZZANINE DECK

W31 WELLHEAD AREA 1 WEATHER DECK

W32 WELLHEAD AREA 2 WEATHER DECK



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ELDA A00 PLATFORM GENERAL

B01 BRIDGE ELDA TO ELDF

D01 DERRICK

D02 EAST SHALE SHAKER ROOM (MODULE 128)

D03 NOT IN USE (WEST SHALE SHAKER ROOM (MOD. 121)

D04 SKID DECK

D05 WELLHEAD MEZZ DECK WEST

D06 WELLHEAD MEZZ DECK EAST

D07 SCALE INHIBITOR VALVE RACK AREA

D08 WELLHEAD AREA (MODULE 113 & 104)

D09 INHIBITOR STORAGE AREA (MOD 112)

D10 BULK STORAGE & HYDRAULIC SKID (MODULE 103)

D11 EAST OF SWITCHGEAR ROOM

D12 WEST OF SWITCHGEAR ROOM

D13 PIPE RACK AREA

D14 TPM OFFICE/WORKSHOP AREA (MODULE 122)

D15 DRILLING SUPPORT/SLURRY AREA (MODULE 115-118)

D16 CONDUCTOR AREA CELLAR DECK (MODULE 198)

D17 (PA17) DRILLERS CABIN

D20 (PA20) MUD TANK MODULE

D21 (PA21) MUD PUMP MODULE

D22 (PA22) MUD MIXING MODULE

D23 (PA23) SACK CUTTER MODULE

D24 (PA24) MAIN GENERATOR NO 1 BOX UPPER DECK

D25 (PA25) LER MODULE

D26 (PA26) LER MODULE

D27 (PA27) NORTH STAIRTOWER

D28 (PA28) SOUTH STAIRTOWER

D31 (PA31) SKIDBASE

D32 (PA32) MUD TANK NO. 2 BOX LOWER DECK

D33 (PA33) MUD TANK NO. 3 BOX LOWER DECK

D34 (PA34) MUD PUMP NO. 2 BOX MEZZ. DECK

D35 (PA35) MUD PUMP NO. 3 BOX MEZZ. DECK

D36 (PA36) MAIN GEN. NO. 2 BOX UPPER DECK

D37 (PA37) MAIN GEN. NO. 3 BOX UPPER DECK



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ELDA D38 (PA38) LOCAL INST. ROOM ROOF LEVEL

D39 (PA39) LOCAL ELEC. ROOM ROOF LEVEL





P01 CONTROL ROOM







Q07 QUARTERS ROOF

U01 SWITCHGEAR/MCC ROOM (MODULE 105)

U02 BULK STORAGE (MOD. 116/117/118)

U03 WHS, STORES & OFFICE AREA (MODULES 123/124/125)

U04 EQUIPMENT STORAGE MEZZ DECK (MODULE 112)

U05 EAST UTILITY AREA (MODULE 111)

U06 WEST UTILITY AREA (MODULE 102)

U07 GENERATOR ROOM (MODULE 105)

U08 CELLAR DECK CENTER (MODULE 197)

U09 CELLAR DECK NORTH (MODULE 197)

U10 AIR HANDLING AREA (MODULE 198)

U11 POTABLE WATER DECK TANK NORTH

U12 POTABLE WATER DECK TANK WEST

U13 DIESEL STORAGE DECK TANK WEST

U14 DIESEL STORAGE DECK TANK CENTER

U15 DIESEL STORAGE DECK TANK EAST

U16 RAW WATER DECK TANK EAST

U17 RAW WATER DECK TANK CENTER

U18 RAW WATER DECK TANK WEST

U19 COLLECTION SUMP AREA



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ELDB A00 PLATFORM GENERAL

B01 BRIDGE ELDB TO FLARE

D01 DERRICK (MODULE 342)

D02 DRILL FLOOR (MODULE 341)

D03 BOP DECK (MODULE 341)

D04 SKID DECK

D05 MUD HOPPER AREA (MODULE 325)

D06 CEMENT & ACIDIZING AREA (MODULE 351)

D07 MUD TANKS & PUMPS (MODULE 342)

D08 PIPE RACK AREA (MODDULE 352)

D09 EAST BURNE BOOM

D10 WEST BURNER BOOM

D11 WELLHEAD AREA (MODULE 324)

D12 WELLHEAD AREA ON CELLAR DECK (MODULE 324)

D13 CAT ENGINE ROOM (MODULE 341)

F01 FLARE & STRUCTURE



K01 EAST CRANE

K02 WEST CRANE

L01 24” OIL PIPELINE, ELDB TO EKOJ

L02 30” GAS PIPELINE, ELDB TO EKOJ

P01 CONTROL ROOM (MODULE 321)

P02 GAS PIG LAUNCHER AREA (MODULE 325)

P03 PRODUCTION AREA ON CELLAR DECK

P04 PROD. COOLERS & SEPARATORS (MOD. 333/334)

P05 TEST SEPARATOR & METERING AREA (MOD. 322/323)

P06 NOT IN USE (GAS DEHYDRATION AREA (MOD. 335))

P07 GAS COMPRESSOR ROOM (MODULE 352)

P08 WATER TREATMENT AREA








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ELDB Q06 QUARTERS 6TH FLOOR

Q07 QUARTERS ROOF



R03 24” OIL RISER, ELDB TO EKOJ

R04 30” GAS RISER, ELDB TO EKOJ

R05 14” WATER INJECTION RISER FROM ELDE

R06 6” GAS LIFT RISER FROM ELDE

T01 FLARE SUPPORT

U01 UTILITY AREA ON CELLAR DECK

U02 FIREWATER PUMP AREA EAST (MODULE 332)

U03 POWER STATION (MODULE 336)

U04 OILY WATER TREATMENT

U05 SWITCHGEAR ROOM (MODULE 336)

U06 HOT OIL HEATER AREA (MODULE 373)

U07 NO. 1 POTABLE WATER TANK

U08 NO. 2 POTABLE WATER TANK

U09 NO. 1 DIESEL FUEL TANK

U10 NO. 1 RAW FRESH WATER TANK

U11 NO. 2 RAW FRESH WATER TANK

U12 NO. 2 DIESEL FUEL TANK

U13 PIG RECEIVER AREA (NEW)



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ELDE A00 PLATFORM GENERAL

B01 BRIDGE ELDE TO ELDF

J01 JACKET

K01 PLATFORM CRANE

L01 24" WATER INJECTION PIPELINE TO EKOK

L02 14" WATER INJECTION PIPELINE TO ELDB

L03 6" GAS LIFT PIPELINE TO ELDB

P00 PROCESS AREA - GENERAL

P01 WATER INJECTION AREA - GENERAL

P02 GAS TREATMENT AREA - GENERAL

P11 WATER INJECTION AREA - CELLAR DECK

P12 GAS TREATMENT AREA - CELLAR DECK

P21 WATER INJECTION AREA - MEZZANINE DECK

P22 GAS TREATMENT AREA - MEZZANINE DECK

P41 WATER INJECTION AREA - WEATHER DECK

P42 GAS TREATMENT AREA - WEATHER DECK

P02 GAS TREATMENT AREA - GENERAL

P12 GAS TREATMENT AREA - CELLAR DECK

P22 GAS TREATMENT AREA - MEZZANINE DECK

P42 GAS TREATMENT AREA - WEATHER DECK

R01 24" WATER INJECTION RISER TO EKOK

R02 14" WATER INJECTION RISER TO ELDB

R03 6" GAS LIFT RISER TO ELDB

U00 UTILITY MODULE - GENERAL

U10 UTILITY MODULE - CELLAR DECK

U20 UTILITY MODULE - MEZZANINE DECK

U30 UTILITY MODULE - UPPER MEZZANINE DECK

U40 UTILITY MODULE WEATHER DECK



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ELDF A00 PLATFORM GENERAL

B01 BRIDGE 1 ELDF TO BRIDGE SUPPORT

B02 BRIDGE 2 BRIDGE SUPPORT TO FLARE





L01 24" OIL PIPELINE, ELDF TO ELDB

L02 30" GAS PIPELINE, ELDF TO ELDB

P01 CONTROL ROOM

P02 DEGASSING POT AREA (MOD. 207)

P03 GLYCOL STORAGE AREA (MOD. 206)

P04 GAS/GAS EXCH. AREA (MOD. 205)

P05 NOT IN USE (COMP. SUCTION SCRUBBER AREA (MOD. 204)

P06 PIG LAUNCHER AREA (MOD. 202/203)

P07 PROVER LOOP AREA (MOD. 201)

P08 GLYCOL STILL SURGE TANK AREA (MOD. 214)

P09 PROD. SEP. AREA (MOD. 203)

P10 PROD. COOLER AREA (MOD. 201 TO 204)

P11 PIG RECEIVER AREA

P12 WATER TREATMENT AREA (NEW)

R01 24" OIL RISER, ELDF TO ELDB

R02 30" GAS RISER, ELDFTO ELDB

R03 14” OIL/GAS RISER FROM EMBL

R04 J – TUBE FOR UMBILICAL TO EMBLA

T01 BRIDGE SUPPORT

T02 FLARE SUPPORT

U01 BATTERY ROOM AREA

U02 MAINTENANCE AREA

U03 FLASH TANK AREA

U04 OIL SUMP TANK AREA

U05 AIR RECEIVERS AREA

U06 FIREWATER PUMP AREA

U07 TURBINE ROOM

U08 HOT OIL HEATER AREA (MOD. 214)



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ELDF U09 TURBINE EXHAUST AREA (MOD. 212/213)



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EMBL A00 PLATFORM GENERAL

D01 WELLHEAD AREA

D02 BURNER BOOM

D03 VENT STACK




L01 14" OIL/GAS EMBL TO ELDF

P01 PROCESS AREA

R01 14" OIL/GAS RISER TO ELDF

R02 J – TUBE FOR UMBILICAL FROM ELDF

U01 PERSONNEL ROOM AREA

U02 CONTROL ROOM AREA

U03 SWITCHROOM AREA



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H7 A00 PLATFORM GENERAL





P01 CONTROL ROOM

P02 RECEIVER/LAUNCHER AREA

P03 INLET GAS SCRUBBER AREA

P04 RECYCLE COOLER AREA




R01 36" GAS RISER TO EMDEN

R02 36" GAS RISER FROM B11

U01 UTILITY PUMPS AREA

U02 HEATERS/EXCH. AREA

U03 FIREWATER PUMPS AREA

U04 HOT OIL HEATER ROOM

U05 BRIDGE LANDING AREA

U06 UTILITY DECK NORTH

U07 TRANSFORMER AREA

U08 AIR COMP. ROOM

U09 SWITCHGEAR ROOM

U10 GENERATOR ROOM

U11 TURBINE AIR INTAKE AREA

U12 TURBINE ROOM

U13 WORKSHOP/STORES AREA

U14 ROOF LAYDOWN AREA

U15 ROOF UTILITIES AREA

U16 DIESEL STORAGE TANKS

U17 DIESEL STORAGE AND SLOP OIL TANKS

U18 DIESEL STORAGE TANKS

U19 POTABLE AND FRESH WATER STORAGE TANKS

U20 POTABLE AND FRESH WATER STORAGE TANKS



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TOR A00 PLATFORM GENERAL

B01 BRIDGE TO FLARE

D01 DERRICK

D02 DRILL FLOOR

D03 BOP DECK

D04 SKID DECK


D06 CEMENT PUMP UNIT AREA

D07 PIPE RACK AREA


D09 AMINE TANK

D10 MUD TANKS & PUMPS

D11 WELLHEAD AREA

D12 SACK STORAGE AREA

D13 BURNER BOOM






L01 NOT IN USE (12" OIL TOR TO EKOR) (Closed and filled with water)

L03 14" OIL/GAS TOR TO EKOJ

P01 CONTROL ROOM

P02 LAUNCHER AREA

P03 EXCHANGER AND GLYCOL SYSTEM

P04 METERING & PROVING

P05 SEPARATOR AREA

P06 GAS LIFT MODULE

P07 CELLAR DECK SOUTH EAST









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TOR Q07 QUARTERS ROOF

R01 NOT IN USE (12" OIL RISER TO EKOR) (Closed and filled with water)

R03 14" OIL/GAS RISER TO EKOJ

T01 FLARE SUPPORT

U01 POTABLE WATER TANK

U02 FRESH WATER TANK NO.1



U05 DIESEL TANK NO.1



U08 FIRE WATER EXP. TANK WEST

U09 GLYCOL STORAGE

U10 FIREWATER EXT. TANK EAST

U11 PUMP AREA

U12 GENERATOR ROOM

U13 EAST FIREWATER PUMPS

U14 WORKSHOP & STORES

U15 WEST FIREWATER PUMPS

U16 UTILITIES AREA

U17 SWITCHGEAR ROOM

U18 DIESEL DAY TANK AREA

U19 WAREHOUSE AREA

U20 EMERGENCY GEN. ROOM

U21 CAT. ENGINE ROOM



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3 Discipline Codes

This code is applicable for numbering of documents and drawings, specifically those designated

as DFO.

Engineering Discipline Code consists of one (1) alpha character, and identifies the engineering

discipline to which a document/drawing relates.

NOTE: Engineering Discipline Codes are related to disciplines functions,

i.e. engineering subjects, they represent no direct connection to the

organizational structure or departments in ConocoPhillips.

Code Engineer ing Disc ip line

A Architectural/Civil

B Not in Use

C Not in Use

D DrillingE Electrical

F Health, Safety & Environmental Engineering HSE (incl. Risk Analysis)

G Multidiscipline/General Engineering

H HVAC/Sanitation

I Instrumentation/Metering

J Insulation (Thermal/Fire/Acoustic) & Winterization

K Material Technology (incl. Corrosion Protection & Protective Coating)

L Subsea & Pipeline (incl. Marine Operations,Templates, Risers & J-tubes)

M Mechanical (incl. Rotating Equip. Valves, Lifting Equip., Press. Vessels &

Heat Exchangers)

N Not in use in Norway, use code F

O Operations

P Piping

Q Quality

R Computer & Electronic Control

S Structural (incl. Jacket, Tripods & Bridges)

T Telecommunication

U Process

V Not in Use

W Weight Control

X Inspection

Y Geoscience

Z Not in Use


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NOTE: Be advised that the discipline table in SAP contain additional codes not used for

Norway projects. Only the above codes shall be used for Norway projects.


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4 System Number

4.1 System Number

System Numbers identifies a process/support/utility system.

System Numbers are composed of three (3) characters.The first digit of the system represents the system main group - see 4.2 System Number Group

on page 52.

4.2 System Number Group

MULTI-SYSTEMS NUMBER

SYSTEM GROUP 0 - WELLHEADS AND FLOWLINES

NOTE: Comments are included to minimize uncertainty when setting system

limits. See especially section 4.4 System Boundaries on page 75 where

general guidelines for system boundary choices are given.

System No. System Description

CAB System for all cables

G00 Non-specific and across many systems

SIG Signals

TMP Temporary equipment


000 Wellhead systems general

010 Wellheads and flowlines

020 2-phase production lines

030 Electrical submersible pumps, ESP


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SYSTEM GROUP 1 - OIL/NGL PROCESS

SYSTEM GROUP 2 - GAS PROCESS


100 Oil/NGL process systems general

110 High pressure production separation

120 Low pressure production separation130 Not in Use (Doris oil storage and skimmer.)

140 High pressure test separation

150 Oil/NGL metering, fiscal

160 NGL separation and reinsertion

180 Produced Water

190 Oil export pumping


200 Gas process systems general

210 Gas process compression incl. Export compression

220 Gas dehydration

230 Not in Use (Flash and vent gas compression)

240 Gas desulphurisation

250 Gas metering, fiscal

260 Gas lift

270 Gas injection to reservoir

280 Gas dew point conditioning

290 Start, fuel and blanket gas


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SYSTEM GROUP 3 - WATER INJECTION RESERVOIR STIMULATION

SYSTEM GROUP 4 - OIL AND GAS EXPORT

SYSTEM GROUP 5 - PROCESS UTILITY


300 Water injection systems general

310 Sea water supply

320 Water ultra violet sterilisation330 Water vacuum deaeration

340 Water storage and chemical treatment

350 Water booster pumping

360 Water HP pumping

370 Water export/import risers and pipelines


400 Oil and Gas Import/Export Systems General

410 Export risers, pig launchers and pipelines

420 Import risers and pig receivers

430 Oil export pumping

440 Gas export compression


500 Open Drain

510 Flare, vent and blow-down

520 Drain system and oily water treatment

530 Chemical injection

540 Glycol circulation and regeneration

550 Not in Use (Propane compression and reclaim)

560 Hot oil570 Sea water

580 Process inert gas

590 Closed Drain


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SYSTEM GROUP 6 - PROCESS UTILITY AND FACILITY SUPPORT

SYSTEM GROUP 7 - SAFETY AND LOSS PREVENTION


600 Closed cooling water

610 Instrument and utility air

620 Process/equipment control and measurement computers630 Hydraulic power

640 Steam generation and waste heat recovery

650 Diesel fuel

660 High voltage power generation and distribution

670 Low voltage power generation and distribution

690 Jet fuel


700 Safety and loss prevention systems general

710 Water fire fighting

720 Fire fighting and passive fire protection

730 Fire and gas detection

740 Emergency power generation and distribution

750 Safety shutdown system

760 Equipment remote alarm and indication

770 Escape and personnel safety

780 Navigation and identification

790 Not in Use (Personell Protective Systems)


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SYSTEM GROUP 8 - FACILITY SYSTEMS

SYSTEM GROUP 9 - DRILLING


800 Fresh water (Drill water)

810 Potable water

820 Building and accommodation

830 Heat, ventilation and air condition (HVAC)

840 Mechanical handling, tools and supplies

850 Structures

860 Communication radio links

870 Communication systems general

880 Commercial computer systems

890 Electronic control and protection system


900 Drilling systems general

910 Derrick and derrick substructures

920 Mud handling

930 Cement handling

940 Well control system

950 Rig hydraulic power

960 Rig electric power

970 Rig HVAC system

980 Rig bulk handling

990 Rig air system

9A0 Movable drilling equipment

9B0 Movable drilling tools

9C0 Wire line equipment


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4.3 System Description

MULTI – SYSTEM GROUP

System CAB – Cable

This system covers all cables on a Platform.

System G00 – Multi system, non-specific and across many systems

Used for documents containing more than one system.

Documentation of criticality assessments, ref. Norsok Z-008 / TCD2 5047.

System SIG – Signals

This system covers all signals not coming from/going to a (physical) equipment with a function

location tag number eg. transmitters, valves, ie. signals having another function location tag

number (sequence number) than the equipment its coming from.

System TMP – Temporary equipment

This system includes all temporary equipment on a Platform, ref. Norsok Z-015 – Temporary

Equipment / Temporary equipment forms and doc. 6232 – Equipment for temporary use offshore.

SYSTEM GROUP 0 - WELLHEADS AND FLOWLINES

System group 0 contains systems that together control and transport oil/gas/NGL from the

reservoir up to and including the production/test header.

System 000 - Wellhead and Flowline Systems General

The system covers equipment not classified as belonging to a certain system.

This may be equipment operating several systems within group "0".

Note: Not used for specific equipment or piping.

System 010 - Wellheads and Flowlines

This system covers equipment in connection with production wells, X-mas trees and flowlines

for the transport of oil/gas/NGL up to and including the header - valves.

Note:

• Water / Gas injection header is part of system 260, 270, 370

• Water / Gas injection flowlines belong to system 260, 270, 370

• Production headers are part of system 020

• Test flowlines are included in system 010


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System 020 - 2-Phase Production Lines

This system covers equipment in connection with multi-phase production lines including

production header to export riser provided that no separation or other process has been carried

out. Separation for well metering only (test separation), where hydrocarbons and water are

recombined after metering, is a separate process belonging to system 140 - High pressure test

separation. Where a line leaves a wellhead platform and crosses a bridge to a processing

platform (for example from 2/4X to 2/4J), the production line limit is the first bridge landing.

The line will then continue in the appropriate system for the recipient platform (110, 120 or 140).

Note 1:

• Includes Production Header, ref system 010

• Test headers are included in system 140

• Production lines without water are also part of system 020.

Note 2:

• 2-phase refers to systems in which hydrocarbons (oil, gas, NGL) and water flow to-

gether. Hydrocarbon mixtures where water is not included are considered single

phase.

• For classification and registration of documentation, only systems and

sub-systems will be used. I.e: 111 Oil/NGL Recycle system will be registered as

110 High Pressure Production Separation.

System 030 – Electr ical Submersible Pumps, ESP

This system covers equipment in connection with 2-phase production by means of electrical

driven pumps installed in reservoir.

SYSTEM GROUP 1 - OIL/NGL PROCESS

System group 1 contains systems that together perform the required processing of produced oil/

NGL/water from production/test header up to the point where the oil/NGL/water is transported to

another platform by pumping or landing.

System 100 - Oil/NGL Process Systems General

The system covers equipment not classified as belonging to a certain sub-system. This may be

equipment operating several systems within group "1".

System 110 - High Pressure Production Separation

This system covers equipment from headers and import risers including HP separation/produc-

tion pumps. If no other separation/process exists, the system covers equipment up to the export

launcher. Including OIL/NGL Recycle.

Note:

• Where there is only one separator, this will be system 110 irrespective of the actual

pressure.

• For gas down stream of a separator: The piping to the first equipment item in the

downstream system shall be part of the separation system. See also

Section 4.4 System Boundaries on page 75.

• System 110 shall not resume following system 150/250 metering.


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System 120 - Low Pressure Production Separation

This system covers equipment cooler / valve d/s 1st stage (HP) separation up to and including

pipe/header after LP separation for further processing, transport, or up to export launcher.

LP production pumps are included in the system.

System 130 - Not in Use (Doris Oil Storage and Skimmer)

Not in use for existing platforms, information only.The system covers equipment in connection with the storage of oil, the cleaning of produced

water, and the cleaning of waste water from drains, etc.

System 140 - Test Separation

This system covers equipment from header and import risers up to and including the burner

boom. Test production pumps are included in the system.

Note:

• Gas and oil piping from the Test Separator belongs to system 140 up to the tie-in

point to production piping.

• The Test Header and piping up to the test separator are part of system 140.

System 150 - Oil/NGL Metering, Fiscal

This system covers equipment in connection with the metering of produced/transported oil/NGL.

Import metering measures oil brought to the platform.

Export metering measures oil leaving the platform.

Note:

• This system is limited to the metering skid and its immediate connections.

• A new system begins immediately down stream of the metering package, either ex-

port for export oil or the system the oil flows into for import oil.

System 160 - NGL Separation and Stabilising

The system covers equipment in connection with the removal and reclaim of gas from the NGL

separated through the gas dew point conditioning system.

Note:

• This system is not used. Included in system 280.

System 180 - Produced Water

This system covers all equipment in connection with the processing and treatment of produced

water. The upstream limit is the connection to the production separator. For produced water that

is discharged to sea, system 180 also includes the outfall piping. The reject oil return to the proc-

ess is also system 180 up to the connection to the separator piping.

System 190 - Oil export pumping

This system covers equipment in connection with the pumping of oil from one platform to anoth-

er, or ashore from a platform. The system covers equipment from the header on the inlet side to

the header on the outlet side.


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SYSTEM GROUP 2 - GAS PROCESS

System group 2 contains systems that together perform the required processing of gas from

separators/header up to the point where the gas is transported to another platform or is

compressed for landing. The group also contains systems for the injection of gas in wells and

reservoirs in general.

System 200 - Gas Process Systems General

The system covers equipment not classified as belonging to a certain sub-system. This may be

equipment operating several systems within group "2".

System 210 - Gas Process Compression

This system covers equipment for the compression (increasing of pressure) of gas

from separators and header prior to dehydration.

System 220 - Gas Dehydration

This system covers equipment included in the dehydration process for gas in which glycol is

used as water-absorbing medium. The upstream limit is the first nozzle on the glycol contactor

inlet cooler. The downstream limit is the next equipment item downstream of the dehydration

tower. However, on 2/4J, piping up stream of this equipment has also been designated system220, as there is a change of piping material.

System 230 - Not in Use (Flash and Vent Gas Compression)

Not in use for existing platforms, information only.

This system covers equipment in connection with the returning to the process of low pressure

gas from oil separators and gas dehydration.

Note:

• This system is incorporated in system 510.

System 240 - Gas Desulphurisation (sweetening)

This system covers equipment in connection with the removal of acidiferous gases from processgas. The system can be separated into sub-systems as required. Normally the gas is cleaned in

scrubbers and absorbers, whereas the acidiferous gases are stripped out by regeneration. This

system is used on 2/4J for the hydrogen sulphide scavenger system and includes all piping to

and from the scavenger injection point and piping from the scavenger separator back to the LP