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Kuwait Oil Company
Kuwait Oil Company's Responsibilities under the KPC's Umbrella involve the exploration, drilling and production of oil and gas within the State of Kuwait. The Company is also involved in the storage of crude oil and delivery to tankers for export

Production

Kuwait Oil Company manages the production and export of oil and gas with the associated facilities from more than twelve developed oil fields in the state of Kuwait. The oilfields spread over the State and split off into four main parts of North Field, West Field, South and East Field that are locally administered at the site headquarters. Approximate distance from Ahmadi: North Field is 70 miles (112 Km), West Field is 38 miles (60 Km) and South East Field is 12 miles (20 Km).

 

Oil Operation Facilities

  • Oil Wellheads WellHead.JPG

    Most of the wellheads in the oilfields are dual completed with parallel strings. There are approximately fifteen (15) different types of wellhead structures (X’mas-Trees) installed in the oil fields with pressure ratings of 2000# to 15000#. In SEK, most of the hook-ups are rated at 2000# while typical hook-ups in NK have higher pressure rating of 5000# and those of WK oilfields vary from 3000# to 5000#. The Marrat wells in all fields have pressure ratings of 15000#.

  • Oil Flow lines & Corridors
    Flow lines are multi-phase pipelines and transmit the well production (oil, gas and water) to the Gathering Centers where the three phases are separated. The flow lines are 6" in nominal diameter and laid above-ground along organized corridors to minimize cluttering, obstruction and unsafe conditions. The Sketch opposite illustrates a typical arrangement of pipelines corridors at the GC end.
  • Gathering Center CN5417-24.JPG
    There were originally 26 Gathering Centers in KOC operating oilfields prior to invasion of the country. The first center ‘GC-1’ was commissioned on 7th June, 1946 at Burgan Oilfield and the last center ‘GC-26’ on September 1980, at the Ratqa oilfield. Presently twenty-one (21) Gathering Centres are operational and receive crude from various wellheads located in the producing oilfields.The GCs stabilize the crude by multi-stage stabilization process and separate gas and water from the crude to meet its quality required for downstream operations.

 

Gas Operation Facilities

  • Gas Systems and Functions
    The HP and LP separated gases from the Gathering Centers are transmitted to the Booster Stations via respective HP and LP gas networks. At the Booster Stations, the HP and LP gases are compressed for further transmission to the LPG Plant. The condensate recovered from the compressed and cooled gases in the Booster Stations is dehydrated and routed to the LPG Plant through dedicated pipelines. Tank Vapours (TV) is locally compressed at the GCs by the Tank Vapour Compressor (TVC).
    The gas produced at West Kuwait is mostly sour (20,000 to 30,000 ppm H2S), hence after its compression and dehydration at local stations is first transported to the existing KNPC's Acid Gas Removal Plant (AGRP) for sweetening before being forwarded to LPG Plant.
    Both Gas & Condensate pipelines are equipped with Pig Launchers & Receivers to facilitate pigging and cleaning of the lines
  • Booster Stations
    A Booster Station is part of an oilfield facility installed to fully utilize the separated gas from the Gathering Centers which was previously wasted to flare. Typically, a Booster Station has the following functions:
    • Receives the gas from various Gathering Centers and compresses it.

    • Separates the condensate from the gas stream.CN7108-46.JPG

    • Dehydrates (removes water) from both compressed gas and condensate.

    • Receives and dehydrates condensates from the Gathering Centers.

The compressed gas and condensate are transmitted separately through pipelines to Mina Al-Ahmadi LPG PLant, where the transmitted gas and liquid is processed to recover Gasoline and Liquefied Petroleum Gases (LPG) and exported.

After Processing at the LPG Plant, effluent gas (known as lean gas) is distributed as fuel gas to industrial users in Kuwait (ie. Power Stations and Refineries) and the excess is utilized for fueling the oilfields GCs and/or flared in dedicated excess flares.

 

Water Injection Systems

  1. Central Sea Water Injection Plant NK
    The Central Seawater Injection Plant in North Kuwait is provided with facilities for water flooding the Mauddud, Upper Burgan and Zubair reservoirs in the Raudhatain (RA) and Sabriyah (SA) fields. The injection water is sourced from the Arabian Gulf Sea via MEW intake lift pumps and treated at the Seawater Treatment Plant (SWTP) located at Subiyah. The treated water is then transported via a 36” carbon steel pipeline (approx. 48 Km long) to a Central Injection Pump Facility (CIPF) located between RA and SA fields. From the CIPF the treated water is distributed to 29 injection wells in Raudhatain & Sabriyah fields.
    The process flow scheme consists of seawater pre-treatment for bulk solids removal via a clarification followed by media filtration, mechanical and chemical deaeration, transportation via pipeline to an injection pump facility and subsequent distribution to various injection wells  
  2. Effluent Water Transfer System  Water injection plants are used to achieve two objectives: First to increase the oil reservoir pressure and dispose of the effluent water in an environment-friendly manner.