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ExxonMobil & BHPB to Install FLNG Facility in Scarborough Gas Field
=To produce 6-7 million tpy of LNG
It was disclosed that the United States Exxon Mobil and Australian BHP Billiton are planning to develop Scarborough gas field offshore Western Australia through installation and operation of a floating liquefied natural gas (FLNG) liquefaction, storage and offloading facility. Exxon recently submitted its proposal for development of the gas field to Australia's federal environment department.

According to the proposal, FLNG facility with capacity to produce 6-7 million tons per year of LNG will be installed in Scarborough gas field. The size of the facility is 495 meters long and 75 meters wide, which is hardly different from the size of Prelude FLNG facility that Shell is constructing. However, the former's LNG production capacity is nearly twice as much as the latter's one.

At present the project is in the pre-front end engineering design (pre-FEED) stage and in 2013 Exxon will launch FEED work. The company is scheduled to made final investment decision (FID) in 2014-2015 and start LNG production in 2020-2021.

It is estimated that the Scarborough gas field, which is located in the Carnarvon Basin, offshore Western Australia, approximately 220 kilometers northwest of Exmouth, in the water depths of approx. 900 meters to 970 meters, has gas reserves of about 8-10 trillion cubic feet that is equivalent to about 160-200 million MT of LNG. The gas is so-called lean gas, of which methane content rate is 95.5%, and does not contain condensate, etc. Exxon plans to use the natural gas as a feedstock to produce LNG over 25-30 years.

In FLNG facility that is to be built, 380,000 cubic-meter LNG storage tanks will be installed, in addition to LNG production plants consisting of five trains. LNG produced at the facility will be carried by LNG vessels to buyers. Number of cargoes is expected to be 80-110 per year.
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last modified : Wed 10 Apr, 2013 [10:00]
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