Apparatus and method

An apparatus for controlling the flow of downhole fluids, the apparatus comprising: a body having a throughbore and at least one port extending through a sidewall of the body to enable fluid communication between the throughbore and an exterior of the body; a flow control device for controlling the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JENNER, DAVID, ELRICK, ANDREW
Format:	Patent
Sprache:	eng
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 apparatus for controlling the flow of downhole fluids, the apparatus comprising: a body having a throughbore and at least one port extending through a sidewall of the body to enable fluid communication between the throughbore and an exterior of the body; a flow control device for controlling the flow of fluids through the port and arranged to change configuration between a closed configuration in which fluid flow through the port is restricted and an open configuration in which fluid flow through the port is permitted; an actuator mechanism associated with the flow control device for selective actuation of the flow control device to change the configuration of the flow control device between the closed and open configurations; a locking device to lock the configuration of the flow control device; and an unlocking mechanism to unlock the locking device and to permit the actuator mechanism to change the configuration of the flow control device.