Yumen oilfield has entered the era of "pipeline natural gas transmission"

​At 15:58 on November 12, with the opening of the last valve room No. 2 of Qinggao Line (Qing1 gas…

Method of judging internal leakage of natural gas ball valve

​Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection meth…

Profitable oil is produced from rock joint in Tuha oilfield

​Since the beginning of this year, Tuha Oilfield has established a "highway" for shale o…

Valve performance testing

1. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects,…

The first gas storage group in Northwest China realizes the same production

O-type ball valve and V-type ball valve difference

Ball valve has many kinds of structure, but basically the same little difference, are the opening a…

To build a new model of low-carbon and efficient surface system in Dagang Oilfield

On August 22, the oil and gas produced by the oil Wells under the supervision of Wangxuzhuang Oilfi…

Effective troubleshooting method after trap failure

In the thermal system, the thermal trap plays a very important role, and its performance directly a…

Changqing Oilfield: Light up "Science and technology Tree" for winter supply "gas storage"

As of October 31, 1,750 Wells had been drilled and 997 Wells had been put into operation in the pro…

Harm and protection of abnormal pressure boost in gate valve

​Gate valves usually have single gate, double gate, wedge, parallel and other structural designs