IDENTIFYING THE OPERATING FEATURES OF A DEVICE FOR CREATING IMPLOSION IMPACT ON THE WATER BEARING FORMATION

Ratov B. Borash A. Biletskiy M. Khomenko V. Koroviaka Y. Gusmanova A. Pashchenko O. Rastsvietaiev V. Matуash O.
2023 Technology Center

Eastern-European Journal of Enterprise Technologies
2023 #5 Issue 1(125)35 - 44 pp.

The object of the study reported in this paper is the parameters of a device for implosion impact on aquifers during well development. The problem of increasing the productivity of aquifers was solved by removing col-matation products formed during the drilling process and restoring the natural permeability of the formations. This could ensure high production of wells and their long-term trouble-free operation. One of the most effective ways to develop wells is implosion impact. However, its use is hampered by the complexity of the structure of existing devices, the high cost of use, and the insufficient reliability of their operation. To overcome this, an original device for implosion impact on aquifers was designed and its operating parameters were determined. A procedure has been devised for determining the maximum permissible sizes of intervals not filled with liquid under the conditions of preventing casing string collapse. The effect of these intervals on reducing the total weight of the casing string was investigated. An optimal well structure was proposed for the conditions of the Tonirekshin field. The critical dimensions of empty intervals were calculated for all wall thicknesses of casing pipes included in the well design. It has been established that the amount of weight reduction of the casing string in the well due to the Archimedean force for field conditions is 43—47 %. Archimedean force increases with increasing pipe wall thickness. Reducing the weight of the casing string reduces the required winch power, allowing the use of lighter drilling rigs. The procedure for preparingfor repeated implosion impacts has been studied. The studies performed and the recommendations presented will be effective when drilling and developing wells under the conditions of the Mangistau Peninsula, at the Tonirekshin field

casing string collapse , implosion impact , inlet valve , Tonirekshin field , well development

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Department of Geophysics Satbayev University, Satpaev str. 22, Almaty, 050013, Kazakhstan
Department Ecology and Geology, Yessenov University, Microdistrict, 32, Aktau, 130000, Kazakhstan
Department Oil and Gas Engineering and Drilling, Dnipro University of Technology Dmytra, Yavornytskoho ave. 19, Dnipro, 49005, Ukraine
Yessenov University, Microdistrict, 32, Aktau, 130000, Kazakhstan
Department of Drilling and Geology, National University, Yuri Kondratyuk Poltava Polytechnic, Pershotravneva ave. 24, Poltava, 36011, Ukraine

Department of Geophysics Satbayev University
Department Ecology and Geology
Department Oil and Gas Engineering and Drilling
Yessenov University
Department of Drilling and Geology

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