Modular system for a back reamer

Details Modular system for a back reamer Modular system for a back reamer

E - Fixed Constructions

21

B

E21B 7/04 (2006.01) E21B 10/26 (2006.01)

Patent

CA 2567025

A modular back reamer to be used in subterranean drilling includes a drive stem, a reamer body having a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height.

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