Abstract
The sand carrying performance of the fracturing fluid is one of the decisive properties of the sand laying form of the proppant in the reservoir, and the sand carrying performance of the seven fracturing fluids on appeal is tested according to the Stokes theoretical formula for two melon samples and five viscoelastic surfactant samples. Single-particle sedimentation test and multi-particle sedimentation test were carried out and the fracturing fluid was optimized based on test data.The treatment of fracturing fluid flowback has always been a problem in the industry. In this paper, a redistribution experiment was carried out on 7 samples according to a redistribution method of fracturing flowback fluid, and viscosity was used as the main reference index. The recyclability of each fracturing fluid was compared based on the retention rate; the fracturing fluid with the most recyclability was selected.
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