Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is req...
Metal Piston Valve High Temperature Air Cannon★ Description ★ Air cannon or Air blaster, also known as air flow-aiding machine or bunker dredg...
Metal Piston Valve High Temperature Air Cannon★ Description ★ Air cannon or Air blaster, also known as air flow-aiding machine or...
Zhongshi brand Spiral Rigid centralizer has distinguished features:Spiral Rigid Centralizer is a cast steel solid centralizer that is suitable for use in open hole...
The SSX-A is hydraulic liner hanger features with double cones, double cylinders and double-row slips, set by applying pressure through the run-in string. A settin...
Overview: drilling tool stabilizers are important tools used to prevent vertical well from tilting or directional well, cluster well and ...