皇冠体育app

Energy

Petro皇冠体育app, Shell starts drilling shale gas well in Sichuan

(Agencies)
Updated: 2010-12-27 17:42
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皇冠体育app's major gas producer Petro皇冠体育app Co and Royal Dutch Shell PLC have started drilling the first evaluation well at the Fushun shale gas block in Sichuan province, the Wall Street Journal reported on Monday, citing a newsletter from Petro皇冠体育app's parent company.

The move comes 13 months after the two signing an agreement to jointly develop shale gas resources in the area.

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Assessment work in the Fushun block that covers an area of approximately 4,000 square kilometers?started?in January this year, according to the report.

皇冠体育app aims to raise the annual production capacity of shale gas to 15 billion-30 billion cubic meters by 2020, it said.

Shale is a sedimentary rock composed of very small particles of clay, mud and sand. It has low permeability, which means it releases trapped gas very slowly, and can be expensive to develop, said the report.