Bi-center bit adapted to drill casing shoe

Details Bi-center bit adapted to drill casing shoe Bi-center bit adapted to drill casing shoe

E - Fixed Constructions

21

B

E21B 10/46 (2006.01) E21B 10/26 (2006.01) E21B 10/42 (2006.01)

Patent

CA 2304966

Although particular detailed embodiments of the apparatus and method have been described herein, it should be understood that the invention is not restricted to the details of the preferred embodiment. Many changes in design, composition, configuration and dimensions are possible without departing from the spirit and scope of the instant invention.

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