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Drill Pipe
Aug 31, 2017

The drill pipe is a tail with a threaded pipe for connecting the drill ground equipment and drilling equipment in drilling bottom or bottom hole device. The drill pipe is the use of drilling mud transported to drill, and drill to improve, reduce or rotary hole device. The drill rod must be able to withstand tremendous internal and external pressure, twisting, bending and vibration. In the extraction and extraction of oil and gas, the drilling rod can be used many times. The drill pipe is divided into three types: Kelly, drill pipe and weighting drill pipe.