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Seria oil field

Seria oil field (Malay: Padang minyak Seria) 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]

Seria
Seria Oil Refinery in 2023
Seria oil field is located in Brunei
Seria oil field
Location within Brunei
CountryBrunei
RegionBelait
LocationSeria
Coordinates4°37′10″N 114°20′28″E / 4.6194634°N 114.3409785°E / 4.6194634; 114.3409785
OperatorBrunei Shell Petroleum
Owner
Field history
Discovery1929
Production
Producing formationsUpper Miocene

Background

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A key turning point in Brunei's economic prosperity occurred with the discovering of oil in Seria in the late 1920s, which also indirectly contributed to Brunei's modernity. Following that, Brunei saw increasing prosperity following the discovery of gas. The finding of natural gas and oil not only improved the country's politics, finances, and culture, but it also altered the 1959 Constitution, ending the Resident System and paving the way for Brunei's independence from Britain.[3]

History

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The exploration of the field started in late 1926, when F. F. Marriot (British Malay Petroleum Company Field Superintendent) and Thomas George Frederick Cochrane (General Manager of Sarawak Oilfields Limited) smelled "oil" (H2S) in the Kuala Belait and asked Straub, a Swiss geophysicist, to do a geophysical analysis of the area.[4]

On 12 July 1928, the first oil well in Seria was commemorated with a celebration. Mrs. P.A.B. McKerron, wife of the British Resident in Brunei, officiated at the event. S-1 was the position marker for the first oil well, which was dug using the cable-tool method and is located on the coast of Seria. On 5 April 1929, oil began to flow from the S-1 well, marking a watershed point in Brunei's economic history. S-1 produced 5,320 barrels of oil throughout its operation, which lasted until 1930.[3]

A total of 36 oil wells were completed in 1935, while number of oil wells was increased to 53 in 1936.[5] During the Japanese invasion, the oil fields in Seria were already producing 17,000 barrels per day.[6] 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.[7]

By early 1950s, nodding donkeys were introduced to the oilfield.[5] In 1953, a record breaking 36,496,599 barrels were produced,[8] followed by a major blowout in well Seria 328 during a drilling operation.[9][10] The extensions of Seria oil field namely South West Ampa Field and Tali Field respectively began production in 1964 and 1978.[11][12] In 1982, the Seria Crude Oil Refinery, also commonly known as Seria Oil Refinery, began operations.[13]

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 m of water by the Schlumberger self-propelled multi-purpose vessel.[14]

Oil fields

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  • Tali oil field
  • Enggang oil field
  • Anduki oil field

Wells

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S-441 at work near the outskirts of Seria.

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. A monument was erected at the former site of S-1, but due to increasing sea level, it is no longer visible today.[15]
  • S-2 was brought on stream in 1930. After two blow-outs followed by shutdowns and sabotage during the World War II, 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 blowout. 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

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  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. Archived from the original on 19 September 2015. Retrieved 14 August 2020.
  3. ^ a b Siti Aishah binti Pungut, (Dayang Hajah). Minyak Di Brunei (PDF) (in Malay). Brunei: Brunei History Centre.
  4. ^ "The discovery of the Seria Field". Brunei Shell Petroleum. Archived from the original on 24 February 2017. Retrieved 18 May 2015.
  5. ^ a b Sidhu, Jatswan S. (2009-12-22). Historical Dictionary of Brunei Darussalam. Scarecrow Press. p. 217. ISBN 978-0-8108-7078-9.
  6. ^ Indonesia, Malaysia & Singapore Handbook. Trade & Trade & Travel Publications; New York, NY. 1996. p. 563. ISBN 978-0-8442-8886-4.
  7. ^ "14 Brunei oil wells ablaze". Dundee Evening Telegraph. Angus, Scotland. 1945-06-30. Retrieved 2015-01-21.
  8. ^ Steinberg, S. (2016-12-28). The Statesman's Year-Book: Statistical and Historical Annual of the States of the World for the Year 1955. Springer. p. 231. ISBN 978-0-230-27084-8.
  9. ^ Mineral Resources Development Series. Economic and Social Commission for Asia and the Pacific. 1963. p. 1.
  10. ^ Department, British Territories in Borneo Geological Survey; Department, North Borneo Geological Survey (1962). Annual Report of the Geological Survey Department. p. 217.
  11. ^ Southeast Asian Affairs. Institute of Southeast Asian Studies. 1981. p. 78.
  12. ^ World Petroleum. M. Palmer. 1965. p. 52.
  13. ^ Business Opportunities in Brunei Darussalam - Oil & Gas Accomplishments. Ministry of Foreign Affairs. p. 4.
  14. ^ "Brunei Shell makes new oil discovery | The Star". www.thestar.com.my. Retrieved 2020-08-14.
  15. ^ "Masa Hadapan Industri Petroleum - Promosi Kawasan Baru" (PDF). Pelita Brunei. 2001-01-17. p. 1. Retrieved 2023-12-22.

Further reading

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  • 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.
  • Drilling Uphill Geo ExPro, Vol 7 No 3, Paul Wood, 2010


 

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