Drill Collar Weight Calculation To Prevent Drill Pipe Buckling

Drill collar provides weight to the bit for drilling and keep the drill string from buckling. Additionally, drill pipe should not run in compression because it can get seriously damaged therefore we need to know weight of drill collar that is enough to provide weight to the bit.

 

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Drill pipe buckle due to insufficient of drill collar

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Drill pipe straight because of sufficient drill collar weight

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