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Contractors submit bids for Adnoc Onshore field facilities project

7 August 2026

 

Contractors have submitted technical bids to Abu Dhabi National Oil Company’s onshore business (Adnoc Onshore) for a key project to build on-plot and off-plot facilities at the Rumaitha and Shanayel fields, part of the Northeast Bab cluster of oil fields in Abu Dhabi.

The project aims to enhance and sustain oil production at the Rumaitha and Shanayel fields at a rate of 45,000 barrels a day (b/d). It forms part of Adnoc Onshore’s contribution to parent company Adnoc Group’s broader objective of increasing oil production capacity to 5 million b/d by 2027 through its Accelerated Integrated Programme 5 (AiP5). Adnoc Group currently has a production capacity of 4.85 million b/d.

Contractors submitted technical bids for the project by the final deadline of 5 August set by Adnoc Onshore, according to sources.

Adnoc Onshore issued the main tender for the engineering, procurement and construction (EPC) works package for the Rumaitha and Shanayel on-plot and off-plot facilities project on 19 June, MEED previously reported.

Prior to that, Adnoc Onshore issued an expression of interest for the Rumaitha and Shanayel on-plot and off-plot facilities project in early December, with contractors submitting their responses later that month, MEED previously reported.

The prequalification and ongoing tendering process is understood to result from Adnoc Onshore revising its strategy for executing EPC works on an earlier, larger project covering the Northeast Bab cluster, which comprises the Al-Nouf, Rumaitha and Shanayel fields.

MEED reported in December that Adnoc Onshore cancelled an engineering, procurement and construction management (EPCm) phase it launched in 2024 for the Northeast Bab on-plot and off-plot facilities project, in favour of executing the scheme under a conventional EPC model.

The operator awarded a contract to state-owned China Petroleum Engineering & Construction Corporation (CPECC) to carry out EPCm services for the Northeast Bab off-plot facilities package in October 2024. However, the contract was subsequently cancelled.

Separately, Adnoc Onshore received bids during the second quarter of 2025 for the EPCm tender covering the Northeast Bab on-plot facilities package, but that procurement process was also later cancelled.

Project scope of work

The detailed scope of work on the Rumaitha and Shanayel on-plot and off-plot facilities project is as follows:

On-plot facilities:

  • Oil train: One new oil train with slug catcher, two-stage separation, desalting, exchangers for crude heating and stabilisation, and all associated interconnections, utilities and civil/structural works, etc.
  • Produced water treatment (PWT): New produced water treatment package to enable 100% produced water reinjection (PWRI), including chemical dosing, tanks, pumps, all associated controls and blending with aquifer water, etc.
  • Water injection system: New water injection system, including surface water injection pumps, necessary connections and controls from produced water systems, headers, chemical dosing, power and controls, etc.
  • Gas handling and export:
    • Low-pressure gas compression system
    • Medium-pressure gas compression system
    • Gas dehydration and regeneration system
    • Export gas compression system
  • Utilities and offsites: Plant air and instrument air systems, nitrogen generation system, potable water system, vapour recovery system (liquid ejector package), fuel gas import and distribution, closed and open drain systems, hot oil heater, snuffing nitrogen package, enclosed ground flare systems (high-pressure and tank flares), etc.
  • Modifications in existing systems, including, but not limited to, installation of a slug catcher at phase-I, connectivity of gas systems, water systems, existing high-pressure compressors modifications, etc
  • Electrical, instrumentation and control, and safety: Electrical systems, instrumentation and control system (ICSS, F&G system, field instrumentation, HIPPS, etc.), substation and ITR room building, fire water system, etc.
  • Overhead line (220 kV): Installation and extension of overhead lines and 220 KV GIS compound or equivalent power distribution solutions to the central processing plant and other designated areas, as necessary.

Off-plot facilities:

  • New gas-lifted oil producers and water injectors installation with necessary piping, controls, etc. and their connections to the new or existing clusters and pipeline networks
  • New clusters with facilities such as control panels, ITR, production and test manifolds, headers, chemical injection skids, multiphase flow meters, closed drain systems, HIPPS valves, WHCPs, pig traps, ICSS/telecom extensions, etc.
  • Modifications in existing clusters, including the addition or extension of manifolds, headers, additional pipelines with pig traps, ICSS/telecom extensions, chemical injection kids, etc.
  • Gathering and injection networks: Construction of new and modified oil gathering and water injection trunklines/laterals, pigging facilities (launchers/receivers), valve stations, block valves, corrosion protection and monitoring, and all associated equipment, etc.
  • Export gas pipelines and Adnoc Gas interface: Provision for export gas pipeline and facilities from Rumaitha central processing plant to new manifold station and from NMS to Adnoc Gas, including isolation/blowdown, etc.
  • Overhead line: Installation and extension of 33kV overhead lines to clusters, etc., as required.

The tendering exercise for the Rumaitha and Shanayel on-plot and off-plot facilities project is taking place as Adnoc Onshore continues to make progress with EPC works on another, similar project to build off-plot facilities at the Southeast cluster of oil fields in Abu Dhabi, which is also integral to Adnoc Group’s AiP5 campaign.

The Southeast cluster comprises the Asab, Mender, Qusahwira, Sahil and Shah fields and accounts for approximately a third of Adnoc Onshore’s oil production capacity.

MEED previously reported that Adnoc Onshore had awarded EPC works on the Southeast off-plot facilities project to state-owned China Petroleum Engineering & Construction Corporation (CPECC), with the value of the contract estimated to be around $1.2bn.

The overall scope of work on the Southeast off-plot facilities project includes tying in more than 150 wells across the area’s fields, upgrading remote and central degassing stations, laying more than 270 kilometres of flowlines, digitising wells for remote monitoring, and implementing artificial intelligence-driven telemetry technologies.

MEED also recently reported that CPECC awarded subcontracts on the Southeast off-plot facilities project, in its capacity as the main EPC contractor.

The off-plot facilities project is a component of the overall $2bn-$3bn Southeast AIP5 development, with the on-plot facilities project forming the other part of the programme.

CPECC is also performing EPC works on the Southeast on-plot facilities project in a consortium with Greece-headquartered Archirodon. Adnoc Onshore awarded an estimated $1.5bn contract for that project to the consortium in December 2024, with EPC works scheduled for completion in 2027.

https://image.digitalinsightresearch.in/uploads/NewsArticle/18194842/main2845.jpeg
Indrajit Sen

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