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The role of short drill collars in oil drilling strings

release time：2025-12-18

source： network

The drill collar is one of the most critical components of the oil and gas drilling string, serving to provide drilling pressure to the bit and enhance the rigidity of the drill string. The short drill collar is primarily used to adjust the position of bottomhole drilling tools and improve the functionality of the bottomhole assembly. Its mechanical properties are the same as those of the drill collar, but its length is shorter and can be determined based on requirements.

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The purpose of heavy drill pipe during the drilling process

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The purpose of heavy drill pipe during the drilling process

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