07
2024-06
On May 14, Well Xinghua 1 Ping 5 in Bayan Oilfield of North China Oilfield was successfully drilled ...
31
2024-05
Recently, the new liquid polysaccharide gel water blocking agent independently developed by Northwes...
24
Nitrogen gas is a common protective gas, mainly used in metal welding, cutting, smelting and other i...
18
On May 15, at the northern foot of the Fire Mountain, Tuha Oilfield was constructing more than 700 m...
10
As of February 28, Jilin Oilfield has implemented the intelligent lift project in the Xinli mining a...
19
2024-04
At 3 am on April 1, the last section of Jishen 5-8 Ping 02 well tool string out of the wellhead, mar...
12
As of December 25, the first "Fengfeng Firewood storage" microgrid of the second Oil produ...
06
01 Why is the two-seat valve easy to oscillate when working with small opening?For a single core, wh...
29
2024-03
Valve body blank heat treatment process according to different materials are as follows:1. Heat trea...
15
Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the constru...
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