STAGE IN A SUBMERGED MULTIPLE-STAGE PUMP

The invention relates to oil-industry mechanical engineering and more particularly, to multistage oil-well pumps for pumping out formation fluid. The attainable technical result resides in a higher pressure head at low delivery rates and higher stability of performance characteristics when gas pocke...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TRYASTSYN, IGOR PAVLOVICH, SHTENNIKOVA, GALINA ALEXANDROVNA, SEMENOV, JURY LVOVICH, KUPRIN, PAVEL BORISOVICH, MELNIKOV, MIKHAIL JURIEVICH, DOROGOKUPETS, GENNADY LEONIDOVICH, IVANOV, OLEG EVGENIEVICH, RABINOVICH, ALEXANDR ISAAKOVICH, AGEEV, SHARIFZHAN RAKHIMOVICH, MELNIKOV, DENIS JURIEVICH, PERELMAN, OLEG MIKHAILOVICH, TREGUBOV, GRIGORY SAMARIEVICH, GUSIN, NIKOLAI VASILIEVICH, VYDRINA, IRINA VASILIEVNA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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