On December 14th, as the Chaidamu Basin entered the cold season, the low temperature dropped to minus 15 degrees Celsius. Qinghai Oilfield strengthened the investigation and rectification of winter safety hazards, promoting the process

As of December 3rd, as the worlds largest research and production base for tertiary oil recovery, Daqing Oilfield has achieved a tertiary oil recovery output of over 10 million tons in 2025, exceeding 10 million tons for 24 consecutive years,

On November 28th, it was reported that the Dahan 1H28-4 well, deployed in the Linjiang anticline of the Dahan block in western Chongqing, was successfully completed. With a single trip drilling length of 3,190 meters and a horizontal section of