Scientific and technical journal

«Equipment and technologies for oil and gas complex»

ISSN 1999-6934

Equipment and technologies for oil and gas complex
Analysis of the possibility of using P.D. Lyapkov's dependencies to recalculate the characteristics of modern electric submersible pump stages

UDC: 622.276.054.23+621.67
DOI: 10.33285/1999-6934-2022-5(131)-37-43

Authors:

IVANOVSKY ALEXANDER V.1,
KRIVENKOV SERGEY V.1,
DOLOV TEMIR R.1,
SHAIKHULOV RUSLAN M.1

1 National University of Oil and Gas "Gubkin University", Moscow, Russia

Keywords: ESP stages, P.D. Lyapkov, viscosity, rotation frequency, efficiency, recalculation of characteristics

Annotation:

Electric submersible pumps (ESP) are the most widely used artificial oil lifting method in Russia. A significant contribution to the creation and development of ESP belongs to P.D. Lyapkov. His works on the creation of design dependencies for stages and pumps of ESP installations in the whole laid a powerful foundation, which is still widely used in educational, design and field practice for this type of equipment. However, over the past 70 years, the technologies for manufacturing cast-iron ESP stages have significantly changed and, new materials and designs of stages have appeared. Checking some of P.D. Lyapkov postulates (namely, the recalculation of the characteristics of the stages when operating on a viscous liquid or with a significant change of the rotational speed of a vane pump rotor) is the subject of this article. It is shown that the results obtained not only coincide with the results obtained by P.D. Lyapkov, but the indicators changes trends differ.

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