High temperature packer for well conduits
Patent
·
OSTI ID:5631906
A packer for a subterranean well having a casing is described comprising, in combination, an inner tubular body assembly having connector means at its upper end for detachable threaded connection to the bottom of a tubing string whereby the packer may be run into the casing to a desired position; an outer operative tubing assembly mounted in surrounding relationship to a medial portion of the inner tubular body assembly. The outer tubular body assembly includes a drag block unit, a connection block, a slip mechanism including peripherally spaced slips and upper and lower cone elements, an external packing element having one end abutting the lower cone element and deformable by axial force to sealing engage the bore of the casing, and an annular abutment element engaging the other end of the packing element; a J-pin radially transversing the connecting block, a J-slot in the inner tubular body assembly receiving the J-pin for securing the inner tubular body assembly and the outer tubular operative assembly in a fixed relationship during run-in of the packer in the casing with only the drag block unit engaging the casing wall.
- Assignee:
- Baker Oil Tools, Inc., Orange, CA
- Patent Number(s):
- US 4709758
- OSTI ID:
- 5631906
- Country of Publication:
- United States
- Language:
- English
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