2025-08
Since the beginning of this year, Daqing Petrochemical Company has been adjusting the material flow in the oil refining area based on the principle of
2025-08
The sealing surface of a valve is its core component. The leakage forms of the sealing surface can generally be classified into several types, namely, leakag…
2025-08
2025-08
On August 5th, with the successful completion of a horizontal well at the Guping 41-52 well site, the number of wells in the Changqing Heshui Oilfields tig…
2025-08
Proper selection and installation of steam traps can prevent freezing as long as there is steam passing through. However, if the steam supply is interrupted,…
2025-07
As of now, the Tuha Oilfield has completed 46 various plans for capacity construction and other aspects this year, with the design compliance rate reaching *…
2025-07
I. Testing and Adjustment of Pneumatic Butterfly Valves1. Before leaving the factory, all components of butterfly valves, whether manual, pneumatic, hydrauli…
2025-07
On July 7th, the author learned that in the first half of this year, the commercial volume of coalbed methane in Huabei Oilfield increased by 45 million cu…
2025-07
2025-06
Pneumatic control valves use compressed air as the power source, a cylinder as the actuator, and drive the valve with the help of valve positioners,