Seria oil field

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Seria Field
Brunei Pumpjack-2.jpg
Pumpjack in Seria Oil Field.
Seria oil field is located in Brunei
Seria oil field
Location within Brunei
CountryBrunei
LocationSeria
Coordinates4°37′01″N 114°19′11″E / 4.6170°N 114.3197°E / 4.6170; 114.3197Coordinates: 4°37′01″N 114°19′11″E / 4.6170°N 114.3197°E / 4.6170; 114.3197
OperatorBrunei Shell Petroleum
Field history
Discovery1929
Production
Producing formationsUpper Miocene

Seria oil field also known as Seria Field is the largest oil field in northwest Borneo, discovered in 1929. The oil is accumulated in Upper Miocene sandstone, trapped in Seria Anticline that straddles the present day coastline. This field has produced more than 1 billion barrels of oil for more than 75 years. Brunei Shell Petroleum (BSP) is the operator of this field.[1][2]

Pumpjack near Oil and Gas Discovery Centre.

The exploration of the field started in late 1926, when F. F. Marriot (British Malay Petroleum Company Field Superintendent) and T. G. Cochrane (General Manager of Sarawak Oilfields Limited) smelled "oil" (H2S) in the Kuala Belait area and asked Straub, a Swiss geophysicist, to do a geophysical analysis of the area.[3]

At the end of World War II, the Japanese ignited 14 of the 21 wells in the Seria field before evacuating. Australian servicemen attempted to control the fires by stopping the flow of the wells.[4]

On 8 October 2004, Brunei Shell Petroleum made a new discovery in Seria North Flank which was an undrilled part of the oil field. The well was drilled 3 km offshore in 8 metres of water by the Schlumberger self-propelled multi-purpose vessel.[5]

Oil Fields[]

  • Tali Oil Field
  • Enggang Oil Field
  • Anduki Oil Field

Wells[]

To date, more than 900 wells have been drilled in Seria Field, and more than 350 wells are still in production. Key wells include:

  • S-1 was the first exploration well, drilled in July 1928, which began producing oil in April 1929.
  • S-2 was brought on stream in 1930. After two blow-outs followed by shutdowns and deliberate sabotage during the war years,[which?] it settled to a steady flow on gas-lift and proved to be a valuable producer.
  • S-5, which is still producing and is the earliest well still in production in Seria Field.
  • S-328 was drilled in 1953 with a blow-out. With a power of a minor earthquake, it demolished an adjacent building and left a crater flooded with water.
  • S-454 was spudded in the middle of a housing area.
  • S-516 was drilled in 1956 with a serious blow-out. A jet of oil, gas and sand rose over 30 meters into the air, and the well had to be 'killed' with 90 tonnes of mud and plugging material.
  • S-558 was drilled in 1964 across the road from Brunei Shell's head office.

References[]

  1. ^ "History of Oil & Gas". Brunei Shell Petroleum. Archived from the original on 2 June 2015. Retrieved 18 May 2015.
  2. ^ "Seria and Nearby Fields". BSP Brunei. Retrieved 14 August 2020.
  3. ^ "The discovery of the Seria Field". Brunei Shell Petroleum. Retrieved 18 May 2015.
  4. ^ "14 Brunei oil wells ablaze". Dundee Evening Telegraph. Angus, Scotland. 1945-06-30. Retrieved 2015-01-21.
  5. ^ "Brunei Shell makes new oil discovery | The Star". www.thestar.com.my. Retrieved 2020-08-14.

Further reading[]

  • Brunei Shell Petroleum, 1988, The Billionth Barrel Seria Oilfield
  • Sandal, S. T. (eds.), 1996, The Geology and Hydrocarbon Resources of Negara Brunei Darussalam.
  • "History of Oil and Gas". Brunei Shell Petroleum Company. Archived from the original on 24 August 2011. Retrieved 30 March 2014.
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