Produksjonrørtrykkinsensitivt aktuator-system, og en fremgangsmåte for reduksjon av kraftbehov for en aktuator i et nedi-hullsmiljø

A linear motor activator for a downhole safety valve including a permanent magnet carrier; a plurality of permanent magnets mounted to the permanent magnet carrier; a coil carrier disposed in magnetic field proximity to the permanent magnet carrier; and a plurality of coils mounted to the coil carri...

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Bibliographische Detailangaben
Hauptverfasser:	Lake, Gary B, Murray, Douglas J, Ranjan, Priyesh, Rainone, Michael, Sackett, Samuel, May, Michael J, Presley, Talbot
Format:	Patent
Sprache:	nor
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS DEVICES FOR VENTING OR AERATING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A linear motor activator for a downhole safety valve including a permanent magnet carrier; a plurality of permanent magnets mounted to the permanent magnet carrier; a coil carrier disposed in magnetic field proximity to the permanent magnet carrier; and a plurality of coils mounted to the coil carrier, one of the permanent magnet carrier and the coil carrier being movable relative to the other of the permanent magnet carrier and coil carrier, and being connected to a component of a downhole safety valve and method.