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Drill Rod Characteristics
Aug 31, 2017

The drill pipe is the tail of the steel pipe is provided with a threaded connection, for drill ground equipment and is located in the bottom of the drilling drilling and grinding equipment 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.