Montara Oil Field

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Summary Information

  • Operator: PTTEP
  • Country: Australia
  • Location: north-west coast of Australia
  • Production start: 2013
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:

Description

  • The project incorporates the Montara, Swift and Skua fields which are located approximately 690km West of Darwin in the Ashmore Cartier permit area of the Timor Sea within the AC/L7 and AC/L8 production licences in 80m of water.
  • The MDP consists of the following infrastructure:
    • An unmanned wellhead platform (WHP) at the Montara field with five (5) wells, three (3) 14 inch Production Risers, two (2) 6 inch Gas Lift Risers and one (1) 12 inch J-Tube;
    • Five (5) subsea wells for development of the Skua, Swift and Swallow fields;
    • Production flowline system consisting of two (2) 6- inch, one (1) 10 inch and three (3) 14 inch flowlines and associated tie-in spools;
    • Gas lift flowline system consisting of one (1) 6 inch and three (3) 4 inch flowlines and associated tie-in spools;
    • Three (3) infield control umbilicals and associated flying leads;
    • A subsea manifold in the Swift field for comingling the production fluids and distributing the compressed gas and electro-hydraulic services to the subsea wells; and
    • The Montara Venture FPSO facility and its associated mooring system located approximately 1.5 km northeast of the WHP.
    • Two (2) 10 inch Flexible Production Risers and associated riser bases. One (1) 6 inch Flexible Gas Lift Riser and associated riser base. Two (2) control umbilicals and associated riser bases. One (1) gas compressor for the gas lift system.

Contractors

  • Clough: transportation and installation of the 750te Montara Wellhead Platform deck, the 285te mooring buoy with nine associated mooring legs, approximately 26km of infield pipelines, and the 100te Swift subsea manifold
  • SCSE: Jacket Fabrication
  • AusGroup: Supply of supervision and labour for the offshore installation of the production platform topside, jacket and offshore pipeline
  • Saipem: Wellhead platform and sealines

History

  • 2008 - PTT acquired Coogee Resources
  • 2009 - An oil leak led to a major fire and Australia's worse oil spill
  • 2013 - First oil produced

Geology

Links

  1. Saipem Fixed Offshore Production Facilities Project References
  2. Shenzhen Chiwan Sembawang Engineering Platform References
  3. Clough Awarded $116m Contract by PTTEP Australasia
  4. PTTEP’s subsidiary signs Share Sales Agreement to acquire Coogee Resources Limited
  5. AusGroup Secures AUD$12.0 million Contract for Construction Manning Services
  6. PTTEP report on crude oil and gas leak incident in Australia
  7. Commencement of Montara Production

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