Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids
作者： Leiming Li , Carlos Abad , Belgin Baser , Lijun Lin
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摘要: Compositions and methods are given for delayed breaking of viscoelastic surfactant gels inside formation pores, particularly use in hydraulic fracturing. Breaking pores is accomplished without mechanical intervention or a second fluid. Bromate oxidizing agents used along with selected activators the bromate compounds. Useful include acid-generating activators, sulfur containing reducing agent activators.
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