HomeMinesWAHalyard Spar
100 ST GEORGES TERRACE, LEVEL 9 PERTH WA , 6000
P: 08 6218 7100 F: 08 6128 7200
infoaustralia@apachecorp.com
www.apachecorp.com

HALYARD SPAR

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About: The Halyard Spar gas fields are located off the Pilbara coast in the north west of Western Australia in the Carnarvon Basin. The Spar field is about 70 kilometres west of the Apache Gas Hub on Varanus Island where the gas is processed for delivery into the Western Australian domestic market. Gas from the Halyard Spar fields is first piped to the John Brookes Platform. The unmanned John Brookes platform acts as a hub for the Spar and Halyard gas fields. The gas is sent via pipeline from the John Brookes Hub to the Varanus Island Oil and Gas Processing Plant. The Varanus Island hub processes around 400 terajoules of gas a day.

The Halyard Spar gas Fields are Owned by Apache and Santos

The Halyard Spar gas fields are jointly owned by Apache Corporation with 55 percent and Santos with 45 percent. The fields are operated by Apache Corporation, a fully owned subsidiary of Apache Energy. Gas processed at the Varanus Island processing facility is sent via a 100 kilometre gas pipeline to link up with the onshore Dampier to Bunbury and the Goldfields Gas Transmission pipelines that service the Western Australian domestic market.

Halyard Spar Gas Fields Produce 10 Percent of WA Domestic Needs

The Halyard Spar gas fields have consistently supplied about 10 percent of Western Australia's domestic needs since they became fully operational in 2012. The Halyard Spar gas fields initially produced around 50 terrajoules a day but since 2013 they have doubled this amout to 100 terrajoules a day. The fields have a combined recoverable resource of 335 petajoules, sufficient to keep supplying the Western Australian domestic market until 2025.

TSmarine Win Halyard Development Contract

Western Australian based company TSmarine Asia Pacific was granted the contract to develop the offshore installation infrastructure at the Halyard gas field by Apache Energy. The contract required TSmarine to install 28 kilometres of control umbilical and 16 kilometres of flexible flowline to connect the Halyard 1 well to the Varanus Island hub using the existing East Spar under sea infrastructure. Control of the wells was supplied from the existing John Brookes wellhead platform.

Bourbon Oceanteam 104 Used in the Halyard Field Subsea Infrastructure Contract

TSmarine used their construction support vessel, Bourbon Oceanteam 104 (B104), in the carrying out of their Halyard contract, which at the time, brought a new level of offshore construction capability to the Asia Pacific region. The B104 offered greater construction flexibility and capability from what was previously available. The vessel was fitted with two heave compensated cranes, one rated 110 tonnes and the other 250 tonnes. It also had a 2,400 square metre back deck space that provided sufficient room to transport six flowline reels, enough to complete an install in one mobilisation, while, at the same time, left sufficient other space for the transporting of additional equipment.

While carrying out the installation of the Halyard field subsea infrastructure, TSmarine also installed three new locally designed modules, that had been fabricated at the Australian Marine Complex in Henderson, W.A., on the John Brookes platform. The umbilical and flowline consisted of 11 reels brought to Australia from Europe on a heavy lift vessel for off loading onto the B104.

Apache Corporation

Founded in 1954 in Minneapolis, Minnesota,as Apache Oil Corporation and in 1956, the company was one of the first firms to register a drilling program with the U.S. Securities and Exchange Commission.The company’s name was changed to Apache Corporation in 1960, and for the next two decades the...........read more

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Apache Corporation
100 St Georges Terrace, Level 9
Perth, WA 6000

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Phone0862187100
fax0861287200

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