Wells – Processes – Placing or shifting well part
Patent
1995-12-28
1998-03-31
Suchfield, George A.
Wells
Processes
Placing or shifting well part
166 781, E21B 1710, E21B 3304
Patent
active
057327777
ABSTRACT:
There is described a method and an improved apparatus for rotatably suspending a tubing string in a well bore, the apparatus comprising a tubular coupler connected to the uphole end of the tubing string, a tubing hanger disposed annularly about the coupler in fixed axial relationship, the coupler being rotatable relative to the hanger, a hanger bowl for supporting the hanger therein so that the tubing string connected to the coupler can be suspended in the well bore and a drive system operably connected to the coupler and extending through the hanger bowl which can be actuated to rotate the coupler and hence the tubing string attached thereto.
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Grimshaw Allan D.
Norman Dwayne S.
Dynamic Oil Tools Inc.
Suchfield George A.
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