NITINOL THROUGH TUBING BRIDGE PLUG

A bridge plug assembly having a nickel titanium alloy flexible member that can be selectively radially expanded so its outer surface sealingly engages a surrounding tubular. The flexible member can comprise an annular membrane like member having coaxial rings on the opposing ends of the flexible mem...

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Hauptverfasser: RAZ, DAN, CRESSWELL, GARY, J, RINBERG, GREGORY, BEFELD, WILLIAM, J, HILL, FREEMAN, L, GOLDSTEIN, MICHAEL
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creator RAZ, DAN
CRESSWELL, GARY, J
RINBERG, GREGORY
BEFELD, WILLIAM, J
HILL, FREEMAN, L
GOLDSTEIN, MICHAEL
description A bridge plug assembly having a nickel titanium alloy flexible member that can be selectively radially expanded so its outer surface sealingly engages a surrounding tubular. The flexible member can comprise an annular membrane like member having coaxial rings on the opposing ends of the flexible member. The percentage of weight of nickel can range up to about 40 to about 58%, 55% or to about 60%. L'invention porte sur un ensemble de bouchon provisoire, ayant un élément souple en un alliage de nickel et de titane, qui peut subir une expansion sélectivement radiale de telle sorte que sa surface extérieure entre en prise, avec étanchéité, avec un tube qui l'entoure. L'élément souple peut comprendre un élément de type membrane annulaire ayant des bagues coaxiales sur les extrémités opposées de l'élément souple. Le pourcentage en poids de nickel peut aller jusqu'à environ 40 à environ 58 %, 55 %, ou jusqu'à environ 60 %.
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subjects 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
title NITINOL THROUGH TUBING BRIDGE PLUG
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