STUDY OF IMPROVING THE EFFECT OF MULTIPLE FRACTURING AND SELECTIVE FRACTURING
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Abstract
The oil-gas wells in ZhongYuan Oilfield possess commonly the characteristics of big span,long perforated interval,serious heterogeneity and multiple thin layers.For this reason,the technology of improving the effect of multiple fracturing and selective fracturing was studied in order to develop oil-gas zone better and increase fracturing effect.A deep study from three aspects,including optimum design,perfect multiple fracturing string and process of multiple fracturing and selective fracturing,and found an effective way to further improve fracturing effect.The technology has got a better economic and social benefit through on-site application and effect evaluation.
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