DOWNHOLE TOOL HAVING EXPANDABLE ANNULAR MEMBER

The present invention generally relates to a stage tool. In one aspect, a downhole tool for use in a wellbore is provided. The tool includes a body having a bore. The tool further includes a seal assembly attached to the body. The seal assembly having an expandable annular member, a seal member and...

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Bibliographische Detailangaben
Hauptverfasser:	LIRETTE, BRENT J, GIVENS, GEORGE, LE, HUY V, TURLEY, ROCKY A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COMBINED OPERATIONS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS OTHER WORKING OF METAL PERFORMING OPERATIONS TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	The present invention generally relates to a stage tool. In one aspect, a downhole tool for use in a wellbore is provided. The tool includes a body having a bore. The tool further includes a seal assembly attached to the body. The seal assembly having an expandable annular member, a seal member and an expander sleeve, wherein the seal member includes one or more anti-extrusion spring bands embedded within the seal member. The tool further includes a slip assembly attached to the body. The slip assembly includes slips that are configured to engage the wellbore. La présente invention concerne de façon générale un outil étagé. Un aspect de l'invention concerne un outil de fond de trou à utiliser dans un puits de forage. L'outil comprend un corps comportant un alésage. L'outil comprend de plus un ensemble d'étanchéité attaché au corps. L'ensemble d'étanchéité comporte un élément annulaire expansible, un élément joint et une gaine d'élargissement, l'élément joint comprenant une ou plusieurs bagues anti-extrusion intégrées dans celui-ci. L'outil comprend de plus un ensemble de retenue attaché au corps. L'ensemble de retenue contient des coins de retenue conçus pour s'engager dans le puits de forage.