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The construction of long-di…
On April 8th, the "Four-All" pipeline welding inspection robot technology equ…
2025-04-18
What are the selection cond…
Electric butterfly valve is a very common pipeline flow regulation device, widely used,…
2025-04-11
A scientific and technologi…
On March 24, the technical achievements of the "Key technologies and Applications …
2025-03-28-
01-03 2025Method of judging internal leakage of natural gas ball valve2025-01-03Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection method is: turn the valve to the fully open or fully closed position, and check whether there is leakage through the discharge of the valve body drain nozzle.>
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12-27 2024Profitable oil is produced from rock joint in Tuha oilfield2024-12-27Since the beginning of this year, Tuha Oilfield has established a "highway" for shale oil, tight oil and other reservoirs through various fracturing methods,>
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12-20 2024Valve performance testing2024-12-201. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects, such as cracks, bubbles, dents, etc. Check signage, nameplate and finish for compliance.>
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12-13 2024The first gas storage group in Northwest China realizes the same producti…2024-12-13>
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12-06 2024O-type ball valve and V-type ball valve difference2024-12-06Ball valve has many kinds of structure, but basically the same little difference, are the opening and closing parts for the round ball core, mainly by the valve seat, ball, sealing ring>
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11-29 2024To build a new model of low-carbon and efficient surface system in Dagang…2024-11-29On August 22, the oil and gas produced by the oil Wells under the supervision of Wangxuzhuang Oilfield in Dagang was directly transported to the joint station>
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11-22 2024Effective troubleshooting method after trap failure2024-11-22In the thermal system, the thermal trap plays a very important role, and its performance directly affects the stability and energy efficiency of the steam system.>
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11-15 2024Changqing Oilfield: Light up "Science and technology Tree" for …2024-11-15As of October 31, 1,750 Wells had been drilled and 997 Wells had been put into operation in the production capacity construction of the self-operating area of Changqing Gas field>
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11-08 2024Harm and protection of abnormal pressure boost in gate valve2024-11-08Gate valves usually have single gate, double gate, wedge, parallel and other structural designs>
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11-01 2024Valve sealing surface grinding is a key step to ensure sealing performanc…2024-11-01The sealing performance of the valve directly affects the control effect of the fluid medium and the safe operation of the system, the grinding of the valve sealing surface is one of the important means to ensure its sealing performance>