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EPC Instrumentation Scope for the Interconnection Pipelines from DGS3 to ZME

BN executed the instrumentation scope for the interconnection pipelines between DGS3 and ZME at Zubair Oil Field. The project covered engineering design, material supply, field installation, testing and commissioning of the instrumentation systems required for safe and reliable pipeline operation.

Project Overview

BN executed the instrumentation scope for the interconnection pipelines between DGS3 and ZME at Zubair Oil Field. The project covered engineering design, material supply, field installation, testing and commissioning of the instrumentation systems required for safe and reliable pipeline operation.

The works included field instruments, shutdown-valve integration, Ex-rated junction boxes, instrument cabling and stainless-steel tubing. BN also connected the new SDVs to the existing Schneider DCS and ESD system, enabling monitoring, shutdown control and integration with the existing plant control architecture.

Scope of Work

Engineering & Design

Detailed instrumentation engineering, preparation of field installation requirements, cable and junction-box interfaces, instrument hook-up details and integration requirements for the DGS3-to-ZME interconnection pipeline scope.

Field Instrumentation

Supply, installation, calibration and commissioning of pressure transmitters and differential pressure transmitters, including associated fittings, supports and accessories.

Shutdown Valve Integration

Instrumentation connection and functional integration of shutdown valves (SDVs), including field cabling, termination, air connections, loop checks and interface with the existing control and safety systems.

DCS & ESD Integration

Connection of the new SDV signals and associated instrumentation to the existing Schneider DCS and ESD system for process monitoring, alarms, trips and shutdown functionality.

Ex-rated Junction Boxes

Supply and installation of Ex-rated instrument junction boxes, glands, terminal blocks, supports, labeling and complete field cable terminations suitable for hazardous-area service.

Instrument Cabling

Supply, routing, dressing, identification and termination of instrument and control cables between field devices, Ex junction boxes and existing control-system interfaces.

Stainless-Steel Instrument Tubing

Supply and installation of stainless-steel instrument tubing, fittings and accessories to connect SDV actuators to the pressurized instrument-air system.

Testing & Commissioning

Continuity testing, insulation checks, instrument calibration, loop checking, SDV functional testing, DCS/ESD signal verification and commissioning support.

System Integration & Technical Highlights

BN delivered the project as an integrated field-instrumentation package coordinated with the existing operating facilities. Key technical features included:

  • • End-to-end signal integration from pressure and differential-pressure transmitters and SDV actuators through Ex-rated junction boxes to the existing Schneider DCS and ESD system.
  • • Functional connection of shutdown valves to the existing safety architecture, including field cabling, termination, instrument-air tubing and shutdown signal verification.
  • • Installation of Ex-rated field equipment and junction boxes suitable for oil & gas hazardous-area conditions.
  • • Professional routing and segregation of instrument cables using galvanized cable trays and supports throughout the pipeline area.
  • • Installation of stainless-steel tubing and fittings for reliable pneumatic connection of SDV actuators to the pressurized instrument-air network.
  • • Complete calibration, loop checking, signal verification and functional testing prior to commissioning and handover.

Project Gallery

Project Outcome

The completed scope provided a reliable instrumentation and shutdown-control solution for the interconnection pipelines between DGS3 and ZME. Through coordinated engineering, field installation, instrument-air tubing, junction-box termination and Schneider DCS/ESD integration, BN established dependable process measurement and SDV shutdown functionality, followed by complete testing and commissioning support.

Project Data

  • Facilities: Discipline
  • ENI / ZFOD: Zubair Oil Field, Iraq
  • DGS3 & ZME: Instrumentation

Project photos (6)

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