Misalignment tieback tool - non-rotating casing

Details Misalignment tieback tool - non-rotating casing Misalignment tieback tool - non-rotating casing

1984-10-12

1986-09-23

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Guide

285 89, 285376, 166242, 166380, F16L 2100

Patent

active

046131620

ABSTRACT:
A tieback tool 10 and method for connecting conductors 12 to the well system 14 including a body member 36 having dogs 46 for engagement with J-slots 30 in the well system. Entry of some of the dogs 46 in the J-slots 30 during initial stabbing directs and aligns the remaining dogs into the respective J-slots 30. The body 36 is provided with an externally threaded ring rotatable by a running tool 80 after full engagement of the J-slots 30 by the dogs 46 to lock the dogs 46 in the J-slots 30 to clamp the tieback tool in alignment with the well system 14 and to compress a seal ring 60 between the tieback tool 10 and the well system 14.

REFERENCES:
patent: 1372238 (1921-03-01), Kreiter
patent: 1778739 (1930-10-01), Wheaton
patent: 2104808 (1938-01-01), Neuhaus et al.
patent: 2107165 (1938-02-01), Rice
patent: 3322443 (1967-05-01), Brown
patent: 4043575 (1977-08-01), Roth
patent: 4343495 (1982-08-01), Nobileau et al.

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