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PetroChina to double Sulige field proved reserves to 500 billion cu m by yearend

By an OGJ Online Correspondent

BEIJING, Aug. 24 -- PetroChina Co. expects to more than double the proven gas reserves of Sulige field in northwestern China's Ordos basin to 500 billion cu m by yearend.

The company has drilled 16 wells at the 20,000 sq km Sulige field in the first 7 months this year. Eight have flowed commercial quantities of natural gas.

PetroChina's regional unit Changqing Oil & Gas Corp., which operates the Sulige field, tested eight in July and said three showed "major" natural gas presence.

The largest producer is Su 14 well, which flowed 156,000 cu m a day (5.5 MMcfd).

The wells Su 13 and Su 19 flowed 54,000 cu m/day and 43,000 cu m/day.

The company plans to transmit up to 7 billion cu m of Sulige gas/year to Shanghai through a gas pipeline slated for construction next month. The field is 1,500 km from Shanghai.

By the end of June, the 370,000 sq km Ordos basin had 1 trillion cu m of proven gas reserves, with total probable gas reserves of 10.7 trillion cubic meters.


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