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致密油层水平井缝间干扰因素及干扰界限

Yuguang ZHANG,Dong YANG,Pengfei TANG,Hao ZHANG,Mingyong GU,Dongxu LI

Petroleum Geology & Oilfield Development in Daqing（2014）

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Abstract
多缝压裂所造的裂缝虽起增产作用,但缝间干扰现象更明显,而且各参数的相互干扰很难全面分析确定.建立压裂裂缝数值模型模拟确定各参数的相关性,研究影响裂缝干扰的主次因素,确定不同储层条件下的干扰界限.研究认为:在其他参数一定时,缝间干扰随原油流度和压力系数的增加而增加;裂缝长度对缝间干扰很小,可以忽略不计.研究成果对水平井压裂裂缝参数优化具有重要指导意义.
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Key words
ultra-low permeability,tight oil reservoir,intercrack interaction/interference,influencing factor,horizontal well,fracturing parameter optimization,Daqing Oilfield
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