Using a Wave Generator in Well Cementing

Author details
  • PJSC TATNEFT named after V.D. Shashin, Almetyevsk, Russian Federation
  • Schmidt Institute of physics of the Earth of the Russian academy of sciences, Moscow, Russian Federation
  • TatNIPIneft R&D Institute of the PJSC TATNEFT named after V.D. Shashin, Almetyevsk, Russian Federation
  • TatNIPIneft R&D Institute of the PJSC TATNEFT named after V.D. Shashin, Almetyevsk, Russian Federation
  • TatNIPIneft R&D Institute of the PJSC TATNEFT named after V.D. Shashin, Almetyevsk, Russian Federation
  • TatNIPIneft R&D Institute of the PJSC TATNEFT named after V.D. Shashin, Almetyevsk, Russian Federation

Abstract

Hydrocarbon production inevitably involves maintaining reliable isolation of the productive horizon from other permeable horizons. As most Russian oil fields enter the final stages of development, permeability per well declines. Therefore, maintaining the efficiency of the operational phase of the life cycle of existing wells and maximizing their turnaround time to reduce costs per well is an important task. All this means that improving the quality of well cementing is a pressing issue, and the search for methods to improve the cement slurry and, consequently, the cement stone and its performance characteristics has become particularly relevant in recent years. Currently, the workover well stock at fields in southeastern Russia is located in the western part of the Russian Federation. The workover well stock at fields in the western part of the Russian Federation is located in the western part of the Russian Federation. The workover well stock at fields in western part of the Russian Federation is located in the western part of the Russian Federation. The work over well stock at fields in western part of the Russian Federation is located in the western part of the well construction cost. Causes of behind-the-costing flow, which occur while waiting for cement to set, include an incorrectly selected water-to-cement ratio in the slurry, high permeability, excessive fluid loss, and premature thickening of the cement slurry. To eliminate the causes of behind-the-costing flow, methods are used that can be roughly divided into two groups: changing or modifying the component composition of the cement slurry and chemical reagents, or improving the pumping technology. The first group affects the performance of the cement slurry, addressing issues such as low drilling fluid displacement, low cement strength, and the onset of shrinkage and thermal degradation processes. The second group involves the use of process equipment that can be used to modernize the cementing process itself or process tooling components to ensure the annular space is filled with cement slurry to the maximum volume. This paper examines a method from the second group, in which the cement slurry is subjected to wave treatment before injection.

Keywords

cement stoneporositymicrostructurewave treatmentgeneratorplasticity and sedimentation stabilitycavitation-wave vortex emitterhigh-speed turbulent flowsactivation of partially hydrated cement

Bibliography

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Article information

Published
21 November 2025
Issue date
21 November 2025
Issue
Vol. 25, No. 4 (2025)
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