MARINE CASING SUSPENSION APPARATUS

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 ha...

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Bibliographische Detailangaben
1. Verfasser:	HYNES, JOSEPH H
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	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.