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The Daqing Oilfield has mai…
As of December 3rd, Daqing Oilfield, the worlds largest research and production base …
2025-12-12
Zhejiang Oilfield has set a…
On November 28th, it was learned that the Daan 1H28-4 well, located in the Linjiang syn…
2025-12-05
The self-developed integrat…
On November 24th, the "laser rust removal + automatic anti-corrosion" integra…
2025-11-28-
03-15 2024Causes and treatment of internal leakage of natural gas ball valve2024-03-15Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;>
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12-01 2023Shengli Gudong Oil extraction plant takes many measures to reduce the nat…2023-12-01>
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