Wells – Packers or plugs – With expanding anchor
Patent
1993-08-23
1994-09-27
Buiz, Michael Powell
Wells
Packers or plugs
With expanding anchor
166206, E21B 2304
Patent
active
053500164
ABSTRACT:
A wellbore anchor tool employing at least one pair of individual slip segments which wrap at least partially around a mandrel passing through the tool, the individual slip segments carrying bearing surfaces and restraint members for holding the slip segments in the tool but at the same time in slidable engagement with the tool.
REFERENCES:
patent: 2068659 (1937-01-01), Crickmer
patent: 2869644 (1959-01-01), Brown
patent: 3135327 (1964-06-01), Hanes
patent: 3142338 (1964-07-01), Brown
patent: 3399729 (1968-09-01), McGill
patent: 3623551 (1971-11-01), Randermann, Jr.
patent: 3714983 (1973-02-01), Wilson
patent: 5024270 (1991-06-01), Bostick
Atlantic Richfield Company
Buiz Michael Powell
MacDonald Roderick W.
Tsay Frank S.
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