IDENTIFYING APPLICABILITY VISCOELASTIC SYSTEMS IN THE CONTEXT OF IMPROVING WELL CASING PROCESSE

Kabdushev A. Delikesheva D. Korgasbekov D. Manapbayev B. Kalmakhanova M.
2023 Technology Center

Eastern-European Journal of Enterprise Technologies
2023 #6 Issue 6(126)71 - 79 pp.

The object of research in this study is viscoelastic systems used as spacer systems in well casing during drilling. Polymer network-metal ion systems display distinctive properties, facilitating effective well coverage through their normal stresses. The primary problem addressed in this research was optimizing viscoelastic system composition for well casing. Researchers sought the ideal sodium dichromate concentration to maximize viscosity in polyacrylamide-based spacer fluids. This optimization is crucial for enhancing casing cementing quality, especially in challenging geological conditions. Utilizing a precise HAAKE MARS III rheometer, various tests, including shear, oscillatory, frequency, creep, and recovery tests, were performed to assess viscoelastic system rheology. Obtained results of optimal deformation interval for a solution with sodium bichromate is 40 Pa and aluminum sulfate, the yield strength was equal to 110 Pa. This research optimized cross-linker concentration, increasing spacer system viscosity. This enhancement improves well cementing efficiency and allows for operation in challenging geological conditions. The precise rheometer unveiled previously unexplored rheological characteristics. The optimized viscoelastic spacer fluid is invaluable in well casing, especially in challenging geological settings. This research guides the design of process fluids, enhancing casing cementing quality, and improving drilling efficiency and safety. Engineers and researchers can leverage the rheological data for informed decisions and better field performance

basalt fiber , cement composite materials , deformation characteristics , oil well cement , strength

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Department of Oil and Gas and Mining M.Kh, Dulaty Taraz Regional University Suleymenov, str. 7, Taraz, 080012, Kazakhstan
Department of Petroleum Engineering, Satbayev University, Satbaev, str. 22a, Almaty, 050013, Kazakhstan

Department of Oil and Gas and Mining M.Kh
Department of Petroleum Engineering

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