Tension set seal bore packer
Patent
·
OSTI ID:6437872
This pattern describes a packer apparatus for use in a subterranean well. The apparatus consists of a casing, and the packer comprises: annular radially expandable, axially compressible packing element means; radially expandable anchoring slip means for securing the packer apparatus in the casing; first and second relatively axially shiftable expander members engageable with the slip means to radially expand the slip means to engage the casing; first and second abutment means engageable with the packing element means, the first and second abutment means being relatively axially shiftable to expand the packing element means to engage the casing. An inner mandrel extends through the slip means, the expander members and the packing element means, and has a seal bore surface therein. An intermediate mandrel encircles the inner mandrel and extends through the slip means.
- Assignee:
- Baker Oil Tools, Inc., Orange, CA
- Patent Number(s):
- US 4665977
- OSTI ID:
- 6437872
- Country of Publication:
- United States
- Language:
- English
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