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]

Screw air compressor maintenance method

To ensure reliable operation and extend the service life of your screw air compressor, it’s essential to implement a structured maintenance plan. This includes designated operators, regular inspections, and periodic servicing. [pdf]