As the winter heating season begins, China National Offshore Oil Corporation (CNOOC) is intensifying efforts in sea and land exploration and development, organizing its production capacity construction, accelerating the commissioning of newly built gas fields, and striving to improve the supply capacity of gas fields currently in production, going all out to provide sufficient gas supply for thousands of households.
Relying on its multiple gas source scheduling decision system, the overall operation status of the offshore natural gas transmission pipeline network is readily available, and CNOOC can adjust the production capacity of the offshore oil and gas platforms in real time according to the needs of downstream users. The company maintains a stable daily production of over 20 million cubic meters in the offshore gas fields around Hainan Island, securing sufficient resources for winter heating.
One of the main contributors to the supply, the ultra-deepwater gas field Shenhai-1, or Deep Sea No.1, located in the waters off South China's Hainan province, has completed maintenance on its production processing system ahead of the heating season to ensure key equipment remains in optimal condition. The gas field has adopted a refined management strategy of "one well, one plan" for the 11 deepwater gas wells to effectively increase production when downstream user demand rises.
The Gaolan Terminal in Zhuhai, Guangdong Province, the largest natural gas processing terminal in Asia, serves as the landing point for nearly 10 gas fields, including the Deep Sea No.1 and Liwan 3-1 gas field.
Currently, over 23 million cubic meters of natural gas flow into the onshore pipeline network every day, realizing the transportation of gas from the south to the north to support gas demand in the northern regions of China.
The Baiyun gas field is operating at full capacity, and its second batch of new wells has been put into production. The Panyu 34-1 gas field has increased production capacity by nearly 40 percent, with a daily processing volume exceeding four million cubic meters. In addition, the first gas field sub-surface digitization system, which took four years to build, is now widely applied in various scenarios, such as in gas field adjustments, pressure reduction development, and production optimization, with an estimated overall increase in gas field recovery rate of 3 to 5 percent.
In addition, CNOOC is strengthening its overall coordination and actively promoting the early increase in production capacity of ongoing projects.
The Bohai Sea's first large-scale condensate gas field of 100 billion cubic meters - the Bozhong 19-6 condensate gas field phase I development project - has entered the final stage of pre-production. It is expected that, once operational, it will supply over 5.3 million cubic meters of natural gas per day at its peak, further solidifying the foundation for natural gas supply in the Beijing-Tianjin-Hebei and Bohai Rim regions this winter and spring.
(Executive editor: Xie Yunxiao)
