Valve performance testing

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 and closing parts for the round ball core, mainly by the valve seat, ball, sealing ring

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 Oilfield in Dagang was directly transported to the joint station

Effective troubleshooting method after trap failure

In 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.

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 production capacity construction of the self-operating area of Changqing Gas field

Harm and protection of abnormal pressure boost in gate valve

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

Valve sealing surface grinding is a key step to ensure sealing performance

The 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

Valve sealing surface material selection factors to consider

​Sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve, and the material of the sealing surface is an important factor to ensure the quality of the sealing surface.

Ultra-short radius horizontal well technology in Huabei oilfield to exploit the remaining oil at the far end

​On September 19, the oil production plant No. 3 of Huabei Oilfield, which had been shut down for more than 4 years due to high water cut