SEAL STEM

A sealing apparatus for sealing against an inner surface of a tubular in a wellbore comprises a mandrel having a first groove and a second groove. A seal ring is disposed in the first groove, the seal ring having one or more anti-extrusion bands embedded within the seal ring, the seal ring being con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GIVENS, George, TURLEY, Rocky A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A sealing apparatus for sealing against an inner surface of a tubular in a wellbore comprises a mandrel having a first groove and a second groove. A seal ring is disposed in the first groove, the seal ring having one or more anti-extrusion bands embedded within the seal ring, the seal ring being configured to engage the inner surface of the tubular. A wiper ring is disposed in the second groove, the wiper ring being configured to wipe the inner surface of the tubular prior to the seal ring engaging the inner surface of the tubular. An o-ring is disposed in the second groove between the wiper ring and a bottom wall of the second groove.