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

Method and apparatus for setting, unsetting, and retrieving a packer or bridge plug from a subterranean well

Patent ·
OSTI ID:7160340
This patent describes a method of inflating an inflatable packing tool in a subterranean well having a large diameter bore and a relatively small diameter tubing string traversing the well bore and terminating at a position above the desired inflation location of the inflatable tool. The inflatable packing tool having a tubular body and an annular inflatable element surrounding the tubular body.
Assignee:
Baker Hughes Inc., Houston, TX
Patent Number(s):
US 4869325
OSTI ID:
7160340
Country of Publication:
United States
Language:
English