Research Progress on Temperature Resistance of Anionic Cleaning Fracturing Fluid
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TE357

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Petrochina technology innovation fund project of 2017,Science and Technology Project of Liaoning Education Department in 2017

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    Abstract:

    Anionic clean fracturing fluid is a non-polymer water-based fracturing fluid based on anionic viscoelastic surfactant. It has such characteristics as simple configuration, easy flowback, no residue, low viscosity and good elasticity of gel, stable fracturing performance and so on.With the increasing of the difficulties of low pressure and low permeability oil field and the depth of oil well exploitation, the temperature resistance of Anionic Viscoelastic Surfactant Fluid (for short:AVES) has become an important aspect of the research topic.The application performance and characteristics of typical non-polymer AVES fracturing fluids and new polymer AVES fracturing fluids are reviewed, and the advantages and disadvantages of various types of AVES fracturing fluids in oilfield applications are illustrated in the list.In view of the situation that the fracturing effect of AVES fracturing fluid is not obvious at high temperature, the micellar stability is poor, and the synthesis of main agent is complex, the methods of improving the anion side chain, developing asymmetric twin anions and developing new nanoparticles are proposed, so as to simplify the system preparation and increase its temperature resistance and stability.

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History
  • Received:November 23,2018
  • Revised:February 26,2019
  • Adopted:February 26,2019
  • Online: May 30,2019
  • Published:
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