To select suitable oil drill collar, we need to start with "drilling machine main body".The utility model has the advantages of fast drilling speed, good drilling shaping, high drilling effi...

The drill pipe is a steel pipe with a striped tail, which is used to connect the surface equipment of drilling rig and drilling and grinding equipment or bottom hole device at the bottom of drilling....

On the basis of high torque performance of geological drill rod, single helix six party drill rod is made of single spiral blade or double helix blade through prestressed winding process. The drill ro...

Real time acquisition of strata evaluation and guidance data during drilling can greatly improve drilling efficiency. The drilling well logging (LWD) and the MWD system use mud pulse to transfer the d...

The oil drill pipe is the main component of the drill string. The service environment is extremely harsh and the loading state is very complicated. All countries of the world have attached great impor...

A modified structure and shaped half screw pile with spiral drill rod, which includes drill rod and drill. The drill rod is at least part of the spiral structure. The screw part of the drill rod is in...