Drill Collar

Drill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drill string in tension. Drill collar can be divided into standard drill collar, spiral drill collar and non-magnet drill collar.

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Drill Collar

Drill Collar is the basic component in the BHA which provides weight on the bit for drilling and keeps the drill string in tension. Drill collar can be divided into standard drill collar, spiral drill collar and non-magnet drill collar.

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