método de atuação, ferramenta de fundo de poço, e sistema de poço

método de atuação, ferramenta de fundo de poço, e sistema de poço

An actuation method according to one or more embodiments includes axially translating an operator in a first direction in response to applying a tubing pressure to a first side in excess of an annulus pressure acting on a second side, axially translating the operator in a second direction to an actu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: RICHARD T. CAMINARI
Format: Patent
Sprache:por
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:An actuation method according to one or more embodiments includes axially translating an operator in a first direction in response to applying a tubing pressure to a first side in excess of an annulus pressure acting on a second side, axially translating the operator in a second direction to an actuation position in response to applying an underbalance pressure level to the operator and operating a tool element from a first position to a second position in response to translating the operator to the actuation position.