A method of making a screw drill
A currently known metal screw drilling tool includes a motor assembly, a drive shaft assembly and an intermediate coupling part. The motor assembly is a multi-screw hydraulic motor assembly. The multi
How Bypass Valve Works
It is installed on the bypass pipe of the inlet valve pipe section, and is used to fill the valve with water to balance the water pressure before and after the inlet valve. Bypass valve, also known as
Current Situation and Development of Downhole Power Drilling Tools
Current Situation and Development of Downhole Power Drilling Tools
How to make a hollow screw drilling tool
With the development of oil and gas exploration and development, more and more screw drilling tools are used in drilling operations such as deep wells and ultra-deep wells. The screw drilling tool is
High quality screw drill
The series features quick-connect quads or hexagons that engage self-locking engagements through spring pins, with half-ring or U-shaped stop pins that enable torque on the drill pipe. This series of
Requirements for the use of screw drilling tools
The screw drilling tool can work effectively with all kinds of mud, including oil-based mud, emulsified mud and clay mud, and even clear water. Mud viscosity and specific gravity have little effect on
Detailed rules for the right to use China's imported crude oil may be introduced soon
According to reports, several opinions of the Office of the State Council on supporting the stable growth of foreign trade clearly stated that, in combination with the elimination of backward producti
How to use the screw drill
When drilling the plug in the casing, the top-down drilling tool is coordinated as: drilling plug tool + screw drilling tool + lifting sub joint + buffer sub joint + downhole filter + lifting sub join