Increase of oil wells operation efficiency by developing a complex of technical devices
UDC: 622.276.53
DOI: 10.33285/0130-3872-2023-10(370)-59-68
Authors:
SHIYAN STANISLAV I.
1,
SHABLIY ILYA I.1,
BLIZNYUKOV VLADIMIR YU.2,
VERISOKIN ALEXANDER E.3
1 Kuban State Technological University, Krasnodar, Russia
2 RAEN, Moscow, Russia
3 North Caucasian Federal University, Stavropol, Russia
Keywords: oil wells operation, sucker-rod pumps, downhole pumping equipment, bypass valve, hydropercussion device, sucker-rod pump suction valve, spool valve
Annotation:
The article provides a description of the developed technical means aimed at improving the performance of downhole pumping equipment in difficult operating conditions. The scheme and principle of the bypass valve operation designed to maintain the mediumpressure at the required level by bypassing the working medium through a pipeline branch; hydraulic percussion device designed for cleaning the bottomhole zone of wells equipped by a packer using coiled tubing units; a suction valve of a sucker-rod pump designed for reducing hydraulic resistance when formation fluid is supplied through the valve in the suction mode; a spool valve designed forprolongation of the sucker-rod pump overhaul period and direction of the liquid or gas flow by shifting the moving part relative to the ”windows” in the surface along which it slides are presented. These technical devices make it possible to achieve the following results: reduction of hydraulic resistance during operation, destruction and removal of sand plugs, rational use of the working fluid, increase of the overhaul period of operation and maintenance of the required pressure at the pump intake.
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