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Method of degrading cellulose-containing fluids during completions, workover and fracturing operations of oil and gas wells
Method of degrading cellulose-containing fluids during completions, workover and fracturing operations of oil and gas wells
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机译:在油气井的完井,修井和压裂作业中降解含纤维素流体的方法
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摘要
A method is shown for reducing the viscosity of a cellulose-containing fluid used during workover, fracturing or well completion operations. An enzyme system is used to degrade the polymer, whereby the fluid can be removed from the subterranean formation to the well surface. The enzyme systems are effective over broad pH and temperature ranges.
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