Drilling tools

In general, the  shale screen  structure has four major components, namely vibrators, sieve box, support or suspension device, transmission....

As the rapid economic development, non-magnetic drill collars also promote the development of oil and petrochemical products, with the growi...

Different manufacturers of machinery and equipment will produce different qualities of  screw conveyor , so when we buy equipment, we must ...

Nov. 13- Nov. 15 2016, all the staff of DeRun Energy Co., Ltd receives three days training session by Schlumberger. This training session is...

Oct. 18-Oct. 25 2016, DeRun Energy Co., Ltd is visited by Middle East Company. This time the president and vice-president of the company ar...

The solid drum is internally installed with a concentric discharge screw As they rotate in the same direction at a high speed, They have a c...

DeRun  strategy partner of gas equipment manufacture had purchased advanced CNC machining centers, CNC lathes, Bending machine and round tub...