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METHODS OF IMPROVING CONFORMANCE CONTROL IN FRACTURED HYDROCARBON RESERVOIRS
METHODS OF IMPROVING CONFORMANCE CONTROL IN FRACTURED HYDROCARBON RESERVOIRS
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机译:压裂油气藏中改善油藏控制的方法
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摘要
Three methods for improving the blocking ability of gels by improving the performance of gels in fractured reservoirs are provided. First method utilizes overload of a crosslinker, the second method utilizes a combination of crosslinker overload and aged crosslinker, and the third method utilizes a step of crosslinker pre-flush. These methods may be combined to further improve the performance of gels in fractured reservoirs. All methods utilized Chromium (III) acetate as a crosslinker. These methods outperformed the base formula of Chromium/polymer typically used in the field.
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