Abstract:Permeability modification is a useful technology for extending the productive life of watered-out oil fields. Polymers are widely used to decrease permeability of high permeability zones or water channels that form in heterogeneous petroleum reservoirs. Decreasing permeability of these previously swept zones diverts injected fluids into unswept regions of the reservoir, increasing the sweep efficiency and extending the production life of marginal fields. Many of the gelled polymers that have been developed for… Show more
“…Selective plugging of the pores by microorganisms is also a well-established mechanism for EOR (Stepp et al, 1996). The basic approach is fluid diversion.…”
“…Selective plugging of the pores by microorganisms is also a well-established mechanism for EOR (Stepp et al, 1996). The basic approach is fluid diversion.…”
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