18
2024-05
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...
08
In the first two months of this year, the ninth oil production plant of Daqing Oilfield used diversi...
01
As the northern Hemisphere enters winter in November, temperatures are generally cooler, economic ac...
26
2024-01
First, the function of the ball valve balance holeThe balance hole is also called the compensation h...
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