Selectively controlling fluid flow through the higher permeability zones of subterranean reservoirs
作者： Burton B. Sandiford
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摘要: A method for restricting fluid flow in depth outwardly from the bore hole through medium to high permeable zones of a subterranean reservoir nonuniform permeability which there is injected into aqueous solutions water-soluble polymer and an alkali metal silicate. The are either admixed at surface prior injection, simultaneously or sequentially.
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