Aug 25 Reuters China39;s CNOOC Ltd, more than doubled its firsthalf profit helped by higher oil and gas prices, the offshore oil and gas producer reported on Thursday.

Interim net income rose 116 to 71.89 billion yuan 10.50 billion while revenue rose 75.6 to 176.7 billion.

Oil prices have soared this year, with prices coming close to 147 in March after Russia39;s February 24 invasion of Ukraine which Moscow calls a special military operation spurred supply fears.

CNOOC39;s net oil and gas production hit a record high 304.8 million barrels of oil equivalent boe, up 9.6 on the year, 71 of which came from domestic operations.

The firm is a top contributor to China39;s domestic oil production as national giants tackle geologically more complex and more costly resources to counter a steep decline at mature basins.

Its domestic net output rose 12.5 to 216.8 million boe, thanks to large projects such as deepwater gas field

Shenhai1 in the South China Sea, Bozhong 194 in Bohai Bay in northern China, as well as coalseam gas development in northern China.

Firsthalf capital expenditure rose 15.4 to 41.6 billion yuan while the year39;s plan stands at 90100 billion yuan.

Its overseas production, including operations such as in Guyana and Brazil, grew 3 at 88 million boe.

Net proven reserve stood at 5.73 billion boe by end2021, maintaining reserve life of more than 10 years for the last five consecutive years.

Its Hong Konglisted shares have gained 48 this year versus the…