Torsional resistant metal gasket

A subsea tubular joint has a wellhead connector and a wellhead housing positioned in an end-to-end relation and connected by a clamp or coupling. A metal annular seal is sandwiched between the wellhead connector and the wellhead housing. The seal has a ring portion and a rib portion. The rib portion...

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Bibliographische Detailangaben
1. Verfasser:	JOHNNY E JURENA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES PISTONS SEALINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A subsea tubular joint has a wellhead connector and a wellhead housing positioned in an end-to-end relation and connected by a clamp or coupling. A metal annular seal is sandwiched between the wellhead connector and the wellhead housing. The seal has a ring portion and a rib portion. The rib portion includes first and second rib surfaces. There is a frictional treatment between the first and second rib surfaces of the metal annular seal and the shoulders of the wellhead connector and the wellhead housing. The frictional treatment can be a set of radial grooves or the result of grit blasting on the connector and housing. The frictional treatment transmits torsional load between the wellhead connector and the wellhead housing