The performance and field application of a multifunctional proppant were evaluated from three aspects:suspension,drag reduction,and hydrolysis,which are beneficial for improving hydraulic fracture far-end support and good compatibility.Experiments have shown that proppants can be uniformly suspended in clean water without the use of external thickeners,with a static suspension rate of ≥ 60％,which is much higher than the suspension rate of conventional proppants.After the outer layer of the support agent is coated with film and hydrated,it has a composite drag reduction effect,which can achieve drag reduction through clear water configuration.At higher temperatures,the composite proppant mixture accelerates its own hydration,and the viscosity after hydrolysis is ≤ 3 mPa·s.This multifunctional proppant has been fully applied in unconventional reservoirs in medium and deep layers,and has shown good effects in reducing wellhead pumping pressure and increasing single well production.
关键词
远端支撑/单井产量/高泵压/悬浮/降阻/水解
Key words
far-end support/single well production/high pumping pressure/suspension/drag reduction/hydrolysis
维普
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