Downhole safety valve with power cable

Downhole safety valve with power cable

Production tubing 15 can be hung within a well bore casing 12 to raise gas from a well. A tubing insert string 30 can be run within the well having a fluid bore 50 and an electric power cable or connection member 82 which runs from the surface to a pump 70. The insert string 30 includes a safety val...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GRAHAM MACKAY, COLIN GORDON RAE, MARTIN RIDDELL, STEVE MCLEOD
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:Production tubing 15 can be hung within a well bore casing 12 to raise gas from a well. A tubing insert string 30 can be run within the well having a fluid bore 50 and an electric power cable or connection member 82 which runs from the surface to a pump 70. The insert string 30 includes a safety valve 40. The valve 40 and the power cable 82 are mounted in the tubing 30 in a parallel manner which maintains electrical power to the pump 70 even when the valve 40 is closed. The cable is integrated with the valve.