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Physicomechanical Properties of Compositions Based on Butadiene–Nitrile Rubbers after Long-Term Exposure to a Drilling Fluid

Russian Metallurgy (Metally) volume 2022, pages 400–403 (2022)Cite this article

Abstract

The influence of a drilling fluid on the physicomechanical properties of commercial rubbers of two types (RTD-1, RTD-2), which are used as stator coatings for downhole drilling motors, is studied. Prolonged (60 days) contact with a drilling fluid at 25°C is found to increase the stiffness and the coefficient of mechanic loss of rubber. The stability of the properties of RTD-1 rubber during operation in contact with a drilling fluid is shown to be higher than that of RTD-2 rubber. At 80°C, the elastic–hysteresis properties of the rubbers of both types have deteriorated by 30–50%.

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Authors and Affiliations

  1. Perm National State Research University, 614068, Perm, Russia

    A. A. Mironova, V. N. Aptukov, P. S. Poturaev, O. V. Basova & N. A. Medvedeva

  2. OOO Uralneftemash Plant, 614033, Perm, Russia

    V. V. Bulatov

Authors
  1. A. A. Mironova
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  2. V. N. Aptukov
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  3. P. S. Poturaev
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  4. O. V. Basova
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  5. N. A. Medvedeva
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  6. V. V. Bulatov
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Correspondence to A. A. Mironova.

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Translated by I. Moshkin

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Mironova, A.A., Aptukov, V.N., Poturaev, P.S. et al. Physicomechanical Properties of Compositions Based on Butadiene–Nitrile Rubbers after Long-Term Exposure to a Drilling Fluid. Russ. Metall. 2022, 400–403 (2022). https://doi.org/10.1134/S0036029522040188

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  • DOI: https://doi.org/10.1134/S0036029522040188

Keywords:

  • rubbers
  • stator coating
  • butadiene–nitrile rubbers
  • drilling fluid
  • hysteresis loop