BUOYANCY ASSIST TOOL

A system includes a casing string and a buoyancy assist tool that is disposed in the casing string. The buoyancy assist tool includes a tubular body, a wiper plug assembly, and a degradable member. The wiper plug assembly is disposed inside the central passageway of the tubular body, and the degrada...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AVILES CADENA, ISAAC, KESHISHIAN, AFOU
Format:	Patent
Sprache:	eng ; fre
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 system includes a casing string and a buoyancy assist tool that is disposed in the casing string. The buoyancy assist tool includes a tubular body, a wiper plug assembly, and a degradable member. The wiper plug assembly is disposed inside the central passageway of the tubular body, and the degradable member retains the wiper plug assembly to the tubular body. Il est décrit un système qui comprend une colonne de tubage et un outil daide à la flottabilité qui est disposé dans la colonne de tubage. Loutil daide à la flottabilité comprend un corps tubulaire, un ensemble bouchon de cimentation et un élément dégradable. Lensemble bouchon de cimentation est disposé à lintérieur du passage central du corps tubulaire, et lélément dégradable retient lensemble bouchon de cimentation sur le corps tubulaire.