Seal assembly for subsurface safety valve

A seal assembly for use in a tubular includes a mandrel (124), upper and lower compressible seal members (111, 113) disposed around the mandrel, first and second upper piston assemblies (102, 108) in contact with a first end of the seal member, and first and second lower piston assemblies (104, 106)...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SMITH, RODDIE
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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