Marine casing suspension apparatus

Details Marine casing suspension apparatus Marine casing suspension apparatus

E - Fixed Constructions

21

B

166/68

E21B 33/03 (2006.01) E21B 33/043 (2006.01)

Patent

CA 2002881

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.

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