E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01)
Patent
CA 2439840
The roller drill pipe protector is designed for drill pipes which used to during drilling oil & gas wells. The mean features of this design are to first; decrease casing wear and string torque & drag. Secondly, it helps to transfer the max. Weight on bit possible, rather than to loss it due to friction & drag in between drill string and well wall or casing. In addition. Thirdly; it absorbs drill string shocks.
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