Retrievable well packer
Patent
·
OSTI ID:6533182
A packer apparatus is described, comprising: a packer mandrel means; an expandable packing means disposed about the mandrel means; an upper shoe means, received about the mandrel means above the packing means, for compressibly engaging an upper end of the packing means. The upper shoe means has a radially inner annular dog receiving groove disposed therein. The groove is partially defined by an upward facing tapered wedging shoulder of the upper shoe means wherein the upper shoe means includes: a main housing member slidably received about the mandrel means. The main housing member includes: the tapered wedging shoulder defined on an upper end thereof; and a lower end surface compressibly engaging the upper end of the packing means.
- Assignee:
- Halliburton Co., Duncan, OK
- Patent Number(s):
- US 4664188
- OSTI ID:
- 6533182
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
COMPRESSION
CONDUCTOR DEVICES
CONNECTORS
DESIGN
ELECTRICAL EQUIPMENT
EQUIPMENT
FASTENERS
HOISTING
JOINTS
MATERIALS HANDLING
NATURAL GAS WELLS
OIL WELLS
PACKINGS
THREADED JOINTS
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
COMPRESSION
CONDUCTOR DEVICES
CONNECTORS
DESIGN
ELECTRICAL EQUIPMENT
EQUIPMENT
FASTENERS
HOISTING
JOINTS
MATERIALS HANDLING
NATURAL GAS WELLS
OIL WELLS
PACKINGS
THREADED JOINTS
WELLS