Analytical review of underground equipment of water impact operation for well development

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Abstract


Rational indicators for the development of oil and gas fields are related to the systemic maintenance of a given level of perfection of formation opening in bottomhole zones of producing or injection wells. This need arises with the colmatation of the natural collector by mechanical, asphalt and tar-paraffinic particles, leading to a decrease in productivity, acceptance of wells and the need to restore the inflow by methods of artificial action on the bottomhole formation zone. Analysis of the effectiveness of the application of various methods of stimulating the flow of reservoir products in the fields of the Timan-Pechora oil and gas province (based on field data) allowed to argue the success of using hydraulic fracturing, thermogas chemical, and shock-depressive effects on the bottomhole formation zone. The prospect of the development of technical means for impact-depressive (implosion) impact on the bottomhole formation zone favorably distinguished by simplicity, cheapness, manufacturability and accessibility is shown. The designs of implosion hydrogenerators of single and multiple pressure are analyzed, shortcomings of technical devices are identified and ways of improving mechanisms are outlined. The results of effective application of various downhole generator devices for increasing productivity and well acceptance are presented.


About the authors

Eugeny S. Yushin

Peoples’ Friendship University of Russia (RUDN University)

Author for correspondence.
Email: yushin-es@rudn.ru
ORCID iD: 0000-0002-9164-1641
6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

Associate Professor of the Department of Subsoil Use and Oil and Gas Business, Academy of Engineering, RUDN University, PhD in Engineering sciences, Docent

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