11

2025-10

Daqing Oilfield develops wide-area tracer logging technology

26

2025-09

The digital transformation of BaiKouQuan Oil Production Plant in Xinjiang Oilfield has achieved quality and efficiency improvement.

​As of now, the Internet of Things (IoT) online rate of the BaiKouQuan Oil Production Plant in Xin…

19

2025-09

The Dagang Oilfield has adopted differentiated water injection to tap the potential of remaining oil.

05

2025-09

The Fourth Drilling Company of Bohai Drilling has set multiple new records in Jidong Oilfield.

​On August 25th, it was learned that the Gao166-77 well, drilled by the Fourth Drilling Company of…

29

2025-08

Jilin Oilfield's Closed Core Sampling Guides the Potential Exploration in the Old Area

Since the beginning of this year, Daqing Petrochemical Company has been adjusting the material flow…

22

2025-08

The causes of leakage at the valve sealing surface

The sealing surface of a valve is its core component. The leakage forms of the sealing surface can …

16

2025-08

How to choose the connection method between valves and pipes?

08

2025-08

The Changqing Heshui Oilfield Accelerates the Profitable Development of Tight Oil

On August 5th, with the successful completion of a horizontal well at the Guping 41-52 well site, t…

01

2025-08

The structural features of the butterfly valve

Valve body structure:The valve body of a flanged butterfly valve is usually made through casting or…

25

2025-07

Tuha Oilfield: Accelerate Technological Innovation to Reduce Drilling and Fracturing Costs

​As of now, the Tuha Oilfield has completed 46 various plans for capacity construction and other a…

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