Usage
One of the most important components of the drill string is to provide drilling bit of pressure and the drill string rigid role.

Standard
API 7, API 7-1 and SY/ T....

Design Features
Standard bail and double pin ( male) alloy sub
The washpipe and packing are box structure, convenient to replacing on drill floor, no need to disassemble....

F Series Triplex Mud Pump is designed according to Emsco F series mud pump, its expendable parts at the fluid end are interchangeable with the parts that are in conformity with....

Design Features
Gear and pinion are made of alloy steel
Split main bushing is steel cast. Kelly drive and slip drive are available for choose.
Slip drive may locate in roller....

Downhole motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump flows through a by-pass valve into the motor.....