The article about the features of the rheological behavior of hydraulic fracturing fluids based on viscoelastic surfactants in comparison with guar-based ones
The article Features Of The Rheological Behavior Of Hydraulic Fracturing Fluids Based On Viscoelastic Surfactants In Comparison With Guar-Based Ones was published on the website of LUKOIL-Engineering in the collection of reports.
Earlier, the article prepared by the Chief experimental and engineering specialist of Polyex company Oleg Kharitonov was presented at the III International Scientific and Practical Conference Integrated Scientific Support of Oil and Gas Assets: Experience, Innovations, Prospects dedicated to the 30th anniversary of LUKOIL group of companies.
This article presents a comparative study of the proppant-carrying properties of fracturing fluids based on surfactant SURFOGEL® D and fracturing fluids based on cross-linked guar. It is shown that the traditional characteristic of the fracturing fluid, its high viscosity at 100 s-1, is not a necessary condition for keeping the proppant in the suspended state. It is also necessary to take into account the non-Newtonian properties of the fracturing fluid - its flow index at low shear rates. It was found, that fracturing fluids based on surfactant SURFOGEL® D, despite their lower viscosity, have an advantage over guar-based fracturing fluids due to their more pronounced pseudoplastic properties.
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