China’s Liuhua Oilfield hits full secondary production

China National Offshore Oil Corporation (CNOOC) has commenced afloat operations of the secondary improvement task astatine the Liuhua Oilfield.

The Liuhua Oilfield project, located successful the Pearl River Mouth Basin successful the bluish portion of the South China Sea, is reputed to beryllium the country’s largest offshore reef limestone oilfield by proven geological reserves.

It is China’s archetypal deep-water oilfield, producing much than 20 cardinal tonnes (mt) of crude lipid since it was commissioned successful 1996, reported Chinese quality bureau Xinhua.

CNOOC estimates that astir 140mt of reserves remain, prompting the motorboat of the secondary improvement signifier to entree these resources.

The existent signifier of the task covers the Liuhua 11-1 and Liuhua 4-1 oilfields, located astatine an mean h2o extent of astir 305m.

The improvement includes 32 accumulation wells.

According to CNOOC, the archetypal radical of wells began operating successful September past twelvemonth and regular crude lipid output has accrued to a grounds 3,900 tonnes (t).

CNOOC precocious started accumulation astatine the Weizhou 11-4 oilfield accommodation and outer fields task successful the Beibu Gulf Basin successful the South China Sea.

The Weizhou 11-4 task is located successful waters with an mean extent of 43m and uses adjacent existing facilities.

The task includes a caller unmanned wellhead level and a cardinal processing platform, which are connected to an existing level by a trestle bridge.

CNOOC plans to drill 35 improvement wells astatine the Weizhou 11-4 project, with 28 designated arsenic accumulation wells and 7 arsenic h2o injection wells.

The institution expects the task to scope a highest output of astir 16,900 barrels of lipid equivalent per time by 2026, producing airy crude oil.

"China’s Liuhua Oilfield hits afloat secondary production" was primitively created and published by Offshore Technology, a GlobalData owned brand.

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