BOREHOLE CLEANING USING DOWNHOLE PUMPS

Apparatus for borehole cleaning, comprises: a tubular conveyance for extending from the surface into a borehole to a region to be cleaned; a motor mounted at the end of the tubular conveyance that in use is introduced into the borehole; a pump connected to the motor and having a nozzle; a power cabl...

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Bibliographische Detailangaben
Hauptverfasser:	ZEMLAK, WARREN, KOTSONIS, SPYRO, LAVRUT, ERIC
Format:	Patent
Sprache:	eng ; fre
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:	Apparatus for borehole cleaning, comprises: a tubular conveyance for extending from the surface into a borehole to a region to be cleaned; a motor mounted at the end of the tubular conveyance that in use is introduced into the borehole; a pump connected to the motor and having a nozzle; a power cable extending trough the tubular conveyance from the surface to provide power to the motor; the pump being arranged such that, when positioned in the borehole and operated by the motor, the pump withdraws material from the borehole through the nozzle and pumps it into the tubular conveyance to the surface.