About Drill Pipes Drill pipes are an essential part of the drill string, forming its longest component. Drill pipes are hollow thick-walled steel pipes with threaded connections at both ends. The end with an external thread is known as the male end, whereas the end with an internal thread is called the female end. The basic purpose of a drill pipe is to provide a connection between the surface equipment and BHA for drilling purposes. Drill pipes are generally machined out of solid steel alloy bars as per API specifications. However, aluminum and titanium alloys are also used as raw mate...more >>
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