Shear coupling assembly for use with rotary and...

Details Shear coupling assembly for use with rotary and... Shear coupling assembly for use with rotary and...

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 9/08 (2006.01) F04B 49/10 (2006.01) F04C 14/28 (2006.01)

Patent

CA 2688801

A shear coupling assembly utilizes a second coupling member, a first coupling member and a locking member which is inserted into a bore in the first coupling member to connect between the second coupling member and the first coupling member. In embodiments where a pretension is applied to the shear neck, the locking member maintains the pretension in the shear neck. The bore of the first coupling member has a profiled section which corresponds to a profiled section on the second coupling member which when mated together permit torque to be transferred for co-rotating the second coupling member with the first coupling member for use in rotary pump operations. Advantageously, the profiled portions and the shear neck are encased in the bore of the shear coupling assembly and are protected from corrosive wellbore fluids.

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