SMALL IMMERSION PUMP ASSEMBLY

The invention relates to oil production equipment, more particularly, to small-sized submersible pump units that are run in holes on a carrying cable within an additional pipe. The technical result is improvement of reliability of small-sized submersible pump unit in operation, elimination of submer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZUBENIN, ILIA NIKOLAYEVICH, PERELMAN, MAKSIM OLEGOVICH, POSHVIN, YEVGENII VYACHESLAVOVICH, GORBUNOV, DMITRII VALERYEVICH, DANCHENKO, YURIY VALENTINOVICH, MARTIUSHEV, DANILA NIKOLAYEVICH
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to oil production equipment, more particularly, to small-sized submersible pump units that are run in holes on a carrying cable within an additional pipe. The technical result is improvement of reliability of small-sized submersible pump unit in operation, elimination of submersible motor (5) overheating, and simplification of the pump unit mounting. This result is achieved by a small-sized submersible pump unit comprising a submersible motor (5), shiftable module (7), and pump (8) housings of which are connected by flangeless coupling (12) wherein the flangeless coupling (12) is made using embedded ring segments (16), whereas the coupled housings each have the covering (15) and the covered parts (14), and the covered part (14) of one of the housings comprises a blind rectangle groove (17), and the covering part (15) of another housing comprises a through rectangle groove (18), and said grooves form a cavity comprising an embedded ring segment (16).