A new liquid resin system added on-the-fly kept proppant in its place in more than 2,000 wells. Proppant flowback in the Permian Basin has been a problem in hydraulic fracturing treatments for many years. As proppant produces out of the fractures along with the produced fluids, fracture conductivity diminishes with time as the fracture width decreases. This choking effect causes the potential production of the well to decline. If the produced proppant remains in the well bore, it may cover the perforation interval, limiting the production flowpath into the well bore. A well cleanup is often required to remove the unwanted proppant from the well bore to reestablish production from the entire perforated interval.
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