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Spiral drill collarpreventing differential pressure detention of tools
effectively prevent differential pressure jamming
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Spiral drill collar Spiral drill collar are a kind of petroleum drilling tool series of our company. This kind of drill collar is capable of preventing differential pressure detention of tools during drilling.
Spiral grooves will enable the mud to flow freely around the drill collar to use balance pressure to prevent the formation of obstruction so as to effectively prevent differential pressure jamming. The contact area against the wall of the well can be cut so as to effectively reduce the possibility of forming differential pressure obstruction.
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