Kuwait publishes detailed scope for gas sweetening facility

04 January 2018
The facility will include a sulphur recovery unit and will target zero flaring

State-owned upstream operator Kuwait Oil Company has released a detailed scope for its recently tendered $300m gas sweetening facility.

The facility, known as BS-171, has an estimated budget of $300m and the deadline for bid submission is 1 April.

According to the scope the facility will be built to deliver 120 million standard cubic feet a-day (MMSCFD) of sweet gas using from various sour gas streams from upstream processing units with a varied hydrogen sulphide concentration of 4 per cent (mole) and carbon dioxide of 10 per cent (mole).

The facility will be installed at Booster Station BS-171 West Kuwait and will built as an amine solvent based gas treating unit.

Amine gas treating, also known as amine scrubbing, refers to a group of processes that use aqueous solutions of various alkylamines (commonly referred to simply as amines) to remove the acid gases and other toxic contaminants from raw sour gas streams.

The facility will consist of two identical gas processing trains, each with a capacity of 60 million stand cubic feet a-day (SCFD).

The facility will be fed by raw sour gas that is contaminated with heavy hydrocarbons, suspended solids (in the form of black powder), salt water, compressor lube oils and pipe line treating chemicals.

This will be cooled to a lower temperature to remove hydrocarbon liquids and then passes through a suitable pre-treatment system.

The gas sweetening facility will be designed targeting zero flaring.

KOC has stipulated that the winner of the contract will be required to develop a gas dispersion flaring model based on simulation results, capacity and tum-down, using a quantitative reliability assessment.

The facility will also include two sulphur recovery unit (SRU) trains.

According to the scope released by KOC the contactor will be required to provide tie-in facilities at the relevant locations in the facility to facilitate tie-in of the two SRUs trains.

They will also be responsible for the procurement, supply, installation, construction, testing, pre-commissioning, commissioning and performance testing of the SRU and associated piping.

The SRU will consist of two trains. Each train will have the capacity to handle 100 metric tons per day (TPD) of molten sulphur.

The facility will be fed by gas from gathering centres GC-17, GC-27 GC-28 and GC-16.

The companies that have prequalified to bid on the contract are:

  • China Petroleum Engineering & Construction Corporation (China)
  • Hyundai Heavy Industries (South Korea)
  • Saipem (Italy)
  • SK E&C (South Korea)
  • ABB (Switzerland)
  • Amec Foster Wheeler (UK)
  • Daelim (South Korea)
  • Consolidated Contractors Company (Lebanon)
  • Engineers India (India)
  • KBR (US)
  • Daewoo E&C (South Korea)
  • Kvaerner (Norway)
  • Chiyoda Corporation (Japan)
  • Joannou & Paraskevaides (Cyprus)
  • Tecnicas Reunidas (Spain)
  • Techint (Italy)
  • Petrofac (UK)
  • Parsons (US)
  • Technip (France)
  • Entrepose Contracting (France)
  • Larsen & Toubro (India)
  • JGC Corporation (Japan)
  • SNC Lavalin (Canada)
  • GS Engineering & Construction (South Korea)
  • Washington Group (US)
  • Air Liquide (France)
  • National Petroleum Construction Company (UAE)
  • Samsung Engineering (South Korea)
  • Tekfen Construction (Turkey)

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