In February, the daily production of coalbed methane in Qinshui coalbed methane field of Huabei Oilfield continued to maintain a high operating state of more…
1. Valve stem corrosion and protectionMain causes of valve stem corrosion:The corrosion damage of the valve body is mainly caused by the corrosive medium, and …
Fixed 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 posi…
1. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects, such as cracks, bubbles, dents, etc. Check signage, namepla…
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 va…
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 syst…
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 …
