Fairley Oil And Gas Field

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Brunei Oil & Gas Fields

Shell Oil & Gas Fields

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Summary Information

  • Operator: Shell
  • Country: Brunei
  • Location:
  • Production start:
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • The Fairley field is located some 45 kilometres northwest of Seria, in water depths of about 60 metres.
  • The field consists of four separate accumulations spread over an area of 14 by 16 kilometres
  • Gas is supplied to the Brunei LNG Terminal


  • Global Industries: Subsea - Ampa Fairley rationalisation


  • 1969 - Well Fairley-1 discovered gas in the Block 1 structure
  • 1972 - Full scale development commenced
  • 1982 - Installation of a fifth drilling platform


  • The Fairley accumulations are trapped on the downthrown sides of three parallel down-to-basin growth faults, formed during the progradation of the Baram delta system. In Block 1 and 2 hydrocarbons are found in the A to B sands from 1,450 to 3,100 metres subsea (Early Piacenzian).
  • Blocks 3, 4 and 5 contain hydrocarbons in the B to C sands from 1,680 to 2,770 metres subsea (Late Zanclian to Early Piacenzian) and Block 20 in the P to S sands between 2,360 to 3,050 metres subsea (Zanclian).
  • Cores from the A, B and C sands are interpreted as fine to very fine, beach, shallow offshore bar and channel sands, ranging from 3 to 40 metres thick, with porosities and permeabilities of 17 to 26% and 10 to 500 mDarcy (0.01-0.5m2) respectively.
  • The reservoirs range in age from Late Miocene in the southern accumulations to Late Pliocene in the northern, reflecting the seaward progradation of the palaeo-Baram coastline.


  1. Fairley, BSP
  2. Serimax Asia Pipeline References

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