Yolla Gas Field
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Summary Information
- Operator: Origin Energy
- Country: Australia
- Location: Bass Strait
- Production start: 2006
- Partners: Origin Energy Limited - 37.5%, Origin Energy Northwest Limited - 5.0%, AWE Limited - 33.75%, Toyota Tsusho Gas E&P Trefoil Pty Ltd - 11.25%, ARC Energy (subsidiary of AWE) 12.5%
- Type: Gas
- Estimated Reserves:
- Production Volume:
Description
- Also known as the BassGas Project
- It consists of an offshore production platform a 147 kilometre, 350-millimetre subsea pipeline a 32 kilometre, 350-millimetre onshore pipeline and a 75MMSCFD onshore gas plant near Lang Lang
- The 8,000 tonne Yolla A offshore platform measures 50 x 50 metres and stands 120 meters high.
- The Mid Life Enhancement project, which was started in 2011, involved upgrading Yolla from an unmanned to a manned platform and installing export compression and condensate pumping modules
Contractors
- Clough Limited:
- EPC of the offshore production platform; 147 kilometre, 350-millimetre subsea pipeline; 32 kilometre, 350-millimetre onshore pipeline and associated smaller pipelines; and the 75MMSCFD onshore gas plant near Lang Lang
- Seadrill: Drilling of Yolla-5 and Yolla-6
- Process Group: Propane H2S & Mercury Removal Unit
History
- 1997 - Santos acquires a 27.1385% interest
- 2002 - EPC contract awarded
- 2006 - Production started
- 2011 - Production temporarily stopped for the Mid Life Enhancement project
- 2011 - AWE sells a stake in the project to Toyota Tsusho Gas
- 2012 - Production resumed following upgrades
- 2014 - Drilling programme for Yolla 5 & 6 started
- 2014 - Installation of export compression and condensate pumping modules
- 2015 - Yolla 5 & 6 spudded
Geology
Links
- Process Group Oil And Gas Processing References
- [ Santos Acquires Cultus Petroleum - Amadeus and Bass Basin Interests]
- EPC Contract Awarded For BassGas Project
- BassGas Project launch - a new source of gas supply for south east Australia
- AWE sells part of Bass Basin portfolio and announces 5 cps special dividend
- BassGas enhancement project reaches major milestone, project costs revised
- Yolla platform returns to production
- Rig secured for Yolla gas field drilling program
- Another milestone achieved in BassGas MLE project
- First Of Two New Production Wells At Bassgas Successfully Spudded
page revision: 14, last edited: 04 Sep 2015 12:50