Water ingress seal for tapered seals

A wellhead housing includes a metal seal with a ring portion and a rib portion. The ring portion includes two frustoconical surfaces for mating with tapered surfaces of a wellhead connector and the wellhead housing. Two conical, metal-to-metal seals are created where the ring portions of the seal en...

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Bibliographische Detailangaben
1. Verfasser:	JOHNSON READY JOSEPH
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY 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 HUMAN NECESSITIES HYGIENE JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A wellhead housing includes a metal seal with a ring portion and a rib portion. The ring portion includes two frustoconical surfaces for mating with tapered surfaces of a wellhead connector and the wellhead housing. Two conical, metal-to-metal seals are created where the ring portions of the seal engage the tapered surfaces of the wellhead connector and housing. These metal-to-metal seals contain internal pressure within the wellhead. Two legs extend outward from the rib portion. An upward-facing foot surface at the end of the top leg engages the wellhead connector, while a downward-facing foot surface at the end of the bottom leg engages the wellhead housing. A metal-to-metal seal created between each foot surface and the corresponding tubular member resists external pressure to prevent water ingress into the joint.