PLUG WITH RESETTABLE CLOSURE MEMBER

PLUG WITH RESETTABLE CLOSURE MEMBER

A plug with a resettable closure member comprising a body defining a flow bore, a closure member movable between a position closing the flow bore and a position wherein the flow bore is open, the closure member responsive to a selected hydrodynamic force to move to the position closing the flow bore...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Stolboushkin, Eugene
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:A plug with a resettable closure member comprising a body defining a flow bore, a closure member movable between a position closing the flow bore and a position wherein the flow bore is open, the closure member responsive to a selected hydrodynamic force to move to the position closing the flow bore and responsive to an attractive magnetic force to move to the position wherein the flow bore is open.