Marine casing suspension apparatus

Details Marine casing suspension apparatus Marine casing suspension apparatus

1989-06-30

1990-03-27

Massie, Jerome W.

Wells

Submerged well

Wellhead

166123, 166208, 166337, 166348, 166360, 175 7, 285 3, 285 18, 285 25, 2851372, 285140, 285141, 285142, 285321, E21B 33043

Patent

active

049112449

ABSTRACT:
An improved wellhead casing hanger for suspension of successive casing strings with particularly small annular spacings having an adapter sleeve of double wall construction which is utilized with a load bearing shoulder on the inside of the inner member for receiving a conventional expanding type hanger, with the annulus between the inner and outer walls providing an improved fluid return path without restricting the bore of the sleeve, packoff for sealing the annulus at the appropriate time and an installation tool.

REFERENCES:
patent: 3273646 (1966-09-01), Walker
patent: 3421580 (1969-01-01), Fowler et al.
patent: 3497243 (1970-02-01), Gruller et al.
patent: 3592489 (1971-07-01), Baugh et al.
patent: 3847215 (1974-01-01), Herd
patent: 4295665 (1981-10-01), Pierce
patent: 4355825 (1982-10-01), Leicht
patent: 4550782 (1985-11-01), Lawson
patent: 4691780 (1987-09-01), Galle, Jr. et al.
patent: 4757860 (1988-07-01), Reimert
patent: 4773477 (1988-09-01), Putch
P. 1497, Composite Catalogue, World Oil Publishing, 88-89 Edition, vol. 2.

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