SMALL-SIZED SUBMERSIBLE PUMP UNIT

The invention relates to oil production equipment, more particularly, 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 submersib...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZUBENIN, Ilia Nikolayevich, GORBUNOV, Dmitrii Valeryevich, POSHVIN, Yevgenii Vyacheslavovich, MARTIUSHEV, Danila Nikolayevich, DANCHENKO, Yuriy Valentinovich, PERELMAN, Maksim Olegovich
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to oil production equipment, more particularly, 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 overheating, and simplification of the pump unit mounting. This result is achieved by a small-sized submersible pump unit having a submersible motor, foldable module, pump housings of which are connected by flangeless coupling wherein the flangeless coupling is made using embedded ring segments. The coupled housings each have the covering and the covered parts, and the covered part of one of the housings contains a blind rectangle groove, and the covering part of another housing has a through rectangle groove, and the grooves form a cavity having an embedded ring segment.