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China's Largest Self-Operated Oilfield has Produced Over 100 Million Cu M of Crude Oil

Updated: March 22, 2023

The Suizhong 36-1 oilfield, the largest offshore self-operated oilfield in China, has produced more than 100 million cubic meters of crude oil, China National Offshore Oil Corporation (CNOOC), its operator, recently announced.

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A bird's-eye view of the Suizhong 36-1 oilfield developed and operated by China National Offshore Oil Corporation [Photo/sasac.gov.cn]

Located in an ice area at 40 degrees north, the Suizhong 36-1 is a heavy oilfield that produces oil difficult to recover. CNOOC independently conquered the recovery technology of the heavy oil and has mastered the capacity of operating large-scale and heavy offshore oilfields.

In 1993, the Suizhong 36-1 oilfield was put into production, becoming the first modern offshore oilfield independently developed and operated by China.

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A close look at the Suizhong 36-1 oilfield developed and operated by China National Offshore Oil Corporation [Photo/sasac.gov.cn]

The Suizhong 36-1 oilfield owns 19 in-production platforms and is able to produce more than 5 million cu m of crude oil annually during its peak production period.

There are now 70 oil wells in the Suizhong 36-1 oilfield that have been continuously running for more than 2,000 days; 32 have been running for more than 3,000 days.

What's more, the oilfield has developed seven wells with cumulative output exceeding 1 million cu m and has realized annual oil-gas valent weight exceeding 3.5 million cubic meters for 12 consecutive years.

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A view of the Suizhong 36-1 oilfield developed and operated by China National Offshore Oil Corporation [Photo/sasac.gov.cn]



(Executive editor: Xie Yunxiao)