Water leakage detection screw air compressor

For water-lubricated twin-screw compressors, the estimation of leakage flow remains one of the most important problems related to screw compressor design, performance prediction and improvement. In this. [pdf]

China s Downhole Drilling Methods

How to exploit efficiently unconventional hydrocarbon has become an important step to solve the problem of increasing reserve and production of oil & gas in China. Aiming at unconventional oil & gas well e. [pdf]