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Select Drill According To Lithology

Formation lithology and different hardware and software, different rock crushing mechanism, resulting in failure of the drill bit forms are also different. Oil drilling in our various common lithology, petrophysical its mechanical properties are measured. When collected in the field lithology and lithologic drill per meter records based, hardness, ductility, brittleness, abrasive and drilling rock formation analysis, failure mode control bit, bit selection and confirm whether the use is reasonable.

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