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Application of Renewable Natural Materials for Gas and Water Shutoff Processes in Oil Wells

Author

Listed:
  • Valery Meshalkin

    (Faculty of Digital Technologies and Chemical Engineering, D. Mendeleev University of Chemical Technology of Russia, 9, Miusskaya Square, 125047 Moscow, Russia
    World-Class Laboratory “LaMiUr”, Saint-Petersburg State Institute of Technology, Technical University, 26, Moskovski Avenue, 190013 St. Petersburg, Russia)

  • Alfir Akhmetov

    (Mavlyutov Institute of Mechanics, Ufa Federal Research Center, Russian Academy of Sciences, 71, Oktyabrya Avenue, 450054 Ufa, Russia)

  • Lyubov Lenchenkova

    (Faculty of Mining and Petroleum, Ufa State Petroleum Technological University, 1, Kosmonavtov Street, 450064 Ufa, Russia)

  • Antony Nzioka

    (Silla Entech Co., Ltd., 559 Dalseo-Daero, Dalseo-gu, E&C Innobiz Tower, Daegu 42709, Republic of Korea)

  • Anatoly Politov

    (Institute of Solid State Chemistry and Mechanochemistry of the Siberian Branch of the Russian Academy of Sciences, 18, Kutateladze Street, 630128 Novosibirsk, Russia
    Department of Natural Science, Novosibirsk State University, 1, Pirogova Street, 630090 Novosibirsk, Russia)

  • Vladimir Strizhnev

    (Ufa Scientific and Technical Center, Llc., 99/3, Kirova Street, 450078 Ufa, Russia)

  • Aleksey Telin

    (Ufa Scientific and Technical Center, Llc., 99/3, Kirova Street, 450078 Ufa, Russia)

  • Alsu Fakhreeva

    (Ufa Institute of Chemistry, Ufa Federal Research Center, Russian Academy of Sciences, 71, Oktyabrya Avenue, 450054 Ufa, Russia)

Abstract

We propose a complex sealing compound for increasing the efficiency of shutoff operations based on natural materials processing for materials such as sand, peat, rice, and husks. We studied the influence of mechanical activation processes on the mechanical and rheological properties of the developed sealants. Through mechanochemical activation, sand dissolution in a low-concentrated alkali solution was possible, and gelling the resulting sodium silicate while reinforcing it with undissolved sand particles to obtain a sealant composition. We used this approach to produce a hybrid sealing compound based on activated rice husks with up to 20% biogenic silicon dioxide combined with mechanically activated peat: the maximum shear strain of the hybrid sealant was 27.7 ± 1.7 Pa. We produced hydrogels based on sodium silicate, polyacrylamide, and chromium acetate, reinforced with mechanically activated rice husks. We studied the sealants’ rheological and filtration properties and observed the respective viscoplastic and viscoelastic properties. An increase in the dispersion concentration from 0 to 0.5% increased the maximum strain value of undestroyed hydrogel’s structure in the range 50–91 Pa and the maximum shear strain from 104 to 128 Pa. The high residual resistance factor values of the ideal fracture model make the natural and plant-renewable raw materials very promising for repair and sealing work.

Suggested Citation

  • Valery Meshalkin & Alfir Akhmetov & Lyubov Lenchenkova & Antony Nzioka & Anatoly Politov & Vladimir Strizhnev & Aleksey Telin & Alsu Fakhreeva, 2022. "Application of Renewable Natural Materials for Gas and Water Shutoff Processes in Oil Wells," Energies, MDPI, vol. 15(23), pages 1-14, December.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:9216-:d:994206
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