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U.S. Department of Energy
Office of Scientific and Technical Information

Dual string packer method and apparatus

Patent ·
OSTI ID:6785260
The method is described of setting a packer in a subterranean well, the packer comprising the following axially stacked elements from the bottom up: a hydraulic housing, a lower cone body; an annular slip cage mounting radially shiftable slips, an upper cone body; a lower expander body; a radially expansible packing body; an upper expander body; a receptacle body; and a retainer plate; each of the elements except the annular slip cage having a first set of aligned bores extending therethrough.
Assignee:
Baker Oil Tools, Inc., Orange, CA
Patent Number(s):
US 4754812
OSTI ID:
6785260
Country of Publication:
United States
Language:
English