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Adnoc Gas selects contractor for Ruwais NGL train project

11 March 2026

 

Adnoc Gas has selected the main contractor to perform engineering, procurement and construction (EPC) work on its project to install a fifth natural gas liquids (NGL) fractionation train at its Ruwais gas processing facility in Abu Dhabi.

Italian contractor Tecnimont has been picked by Adnoc Gas, the natural gas processing business of Abu Dhabi National Oil Company (Adnoc Group), to execute EPC works on the Ruwais NGL Train 5  project, according to sources.

The fifth NGL fractionation train will have an output capacity of 22,000 tonnes a day (t/d), or about 8 million tonnes a year.

The Ruwais NGL Train 5 project represents the second phase of Adnoc Gas’ ambitious Rich Gas Development (RGD) programme, and its budget value is estimated to be around $4bn, Peter Van Driel, Adnoc Gas’ chief financial officer, confirmed in February. The company expects to achieve final investment decision on the project within the first quarter of 2026, Van Driel said at the time.

Adnoc Gas has adopted the design-update competition model to deliver the Ruwais NGL Train 5 project, MEED previously reported. This involves the project operator selecting contractors to execute front-end engineering and design (feed) work on the project. The operator selects the contractor with the most competitive feed proposal to execute EPC works on the project, while also compensating the other contestants for their work.

In January 2025, MEED reported that Adnoc Gas had selected the following contractors to participate in the design-update competition for the Ruwais NGL Train 5 project:

  • JGC Corporation (Japan)
  • Technip Energies (France)
  • Tecnimont (Italy)

The participants submitted technical proposals for EPC works the project on 6 October last year, and commercial bids by the deadline of 8 December, as part of the design‑update competition.

Since receiving commercial bids from contractors in December, however, Adnoc Gas went back to the drawing board to decide on the next course of action, MEED previously reported. Sources attributed the delay by Adnoc Gas in selecting the main contractor to bids exceeding its budget.

Adnoc Gas is understood to have then entered into negotiations with the bidders over the next few weeks, with Milan-headquartered Tecnimont eventually “clinching the deal”, according to sources.

The scope of work on the Ruwais NGL Train 5 project covers the EPC of the following units:

  • NGL fractionation plant with a capacity of 22,000 t/d, including NGL fractionation facilities, downstream treatment units, sulphur recovery units, product storage, loading facilities and associated utilities, flares and interconnection pipelines with existing facilities;
  • Two propane liquefied petroleum gas storage tanks and one paraffinic naphtha storage tank;
  • Buildings – a central control building, outstations, substations and plant amenities;
  • Electrical power connections. Power is to be sourced from the nearby Transco substation via a direct underground cable to the plot location.

Adnoc Gas requires the feed on the project to be updated based on the design of Ruwais NGL Train 4, which has an output capacity of 27,000 t/d and was commissioned in 2014.

In December 2021, MEED reported that Adnoc Gas, then operating as Adnoc Gas Processing, had awarded Indian contractor Larsen & Toubro Hydrocarbon Engineering the main contract for a project to enhance the capacity of its NGL trains 1-4 at the Ruwais complex.

Adnoc Gas business

Adnoc Group announced the creation of Adnoc Gas through the merger of its subsidiaries Adnoc Gas Processing and Adnoc LNG in November 2022. Adnoc Gas began operating as a commercial entity on 1 January 2023.

The consolidation of Adnoc’s gas processing and liquefied natural gas (LNG) operations into Adnoc Gas has created one of the world’s largest gas-processing entities, with a processing capacity of about 10 billion standard cubic feet of gas a day at eight onshore and offshore sites, which include its Asab, Bab, Bu Hasa, Habshan and Ruwais plants.

The company also owns a 3,250-kilometre (km) gas pipeline network to supply feedstock to its customers in the UAE. This sales gas pipeline network is being expanded to over 3,500km through the estimated $3bn Estidama project.

The company will also acquire its parent Adnoc Group’s 60% share in the Ruwais LNG terminal project at cost in the second half of 2028. UK energy producer BP, Japan’s Mitsui & Co, UK-based Shell and French energy producer TotalEnergies are the other shareholders in the project, holding 10% stakes each.

Adnoc Gas share sale

In February 2025, Adnoc Group completed a marketed offering of approximately 3.1 billion shares in Adnoc Gas, raising $2.8bn from the exercise.

The offering consisted of 3,070,056,880 shares, representing 4% of the issued and outstanding share capital of Adnoc Gas.

Following the marketed offering of shares, Adnoc Group continues to hold the majority 86% of shares in Adnoc Gas.

The parent entity listed 5% of Adnoc Gas’ shares on the Abu Dhabi Securities Exchange in March 2023, in an initial public offering from which it raised about $2.5bn.

Abu Dhabi National Energy Company (Taqa) owns the remaining 5% shares in Adnoc Gas.

ALSO READ: Contractors express interest in Bab gas cap main plant
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Indrajit Sen

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