Patent ID: 9115540
Filing Date: 2015-08-25
Classification: E21B

Abstract:
1. A downhole adjustable mud motor for boring a hole in the earth comprising: a. a progressive cavity power section with a power cavity first end, the progressive cavity power section comprising: b. a power transmission section connected to the power cavity first end, having an axis and an offset axis, the power transmission section comprising: wherein the second adjustable member is configured to compress inside of the first adjustable member when weight is applied to the operating member and no drilling fluid is flowing through the downhole adjustable mud motor; further wherein the second adjustable member is configured to expand from the first adjustable member when the drilling fluid flows through the downhole adjustable mud motor to the operating member engaging the locking member, wherein the locking member prevents compression of the second adjustable member inside of the first adjustable member when the drilling fluid flows through the downhole adjustable mud motor.