Adjustable bent sub

Details Adjustable bent sub Adjustable bent sub

E - Fixed Constructions

21

B

E21B 7/04 (2006.01)

Patent

CA 2045888

ABSTRACT OF THE DISCLOSURE An adjustable bent sub consisting of a tubular body having a first end and a second end. The tubular body has a first portion adjacent the first end having a first axis and a second portion adjacent the second end having a second axis which is offset from the first axis. A sleeve is rotatably secured to the second portion of the tubular body. The sleeve has a First end, a second end, and an interior surface with internal surface means. The sleeve has a first portion adjacent the first end having a first axis, and a second portion adjacent the second end having a second axis which is offset from the first axis. An intermediate member is non-rotatably secured to the tubular body. The intermediate member has external surface means. The intermediate member is axially movable along the tubular body between an engaged position wherein the external surface means engage the internal surface means of the sleeve to non-rotatably couple the sleeve and the tubular body, and a disengaged position the sleeve is rotatable in relation to the tubular body thereby permitting the bend of the sub to be adjusted.

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