Wells – Miscellaneous
Patent
1992-03-30
1993-05-18
Novosad, Stephen J.
Wells
Miscellaneous
166290, 166382, E21B 3314, E21B 4100
Patent
active
052112292
ABSTRACT:
An apparatus to support washpipes has a pair of substantially mirror image components which, when clamped together about an inner string, define an annual chamber for receiving and supporting the ends of one or more washpipes.
REFERENCES:
patent: 2253675 (1941-08-01), Arnold
patent: 3347319 (1967-10-01), Littlejohn
patent: 3363688 (1968-01-01), Bielstein
patent: 3973630 (1976-08-01), Wheeler et al.
patent: 4306620 (1981-12-01), Fronius
patent: 4483395 (1984-11-01), Kramer et al.
Bailey James L.
Egan Russell J.
Novosad Stephen J.
Park Jack H.
Texaco Inc.
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