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裂缝性油气储层定量综合评价——以辽河油田齐家古潜山基岩储层为例
引用本文:尹志军,彭仕宓,高荣杰.裂缝性油气储层定量综合评价——以辽河油田齐家古潜山基岩储层为例[J].石油与天然气地质,2001,22(3):240-244.
作者姓名:尹志军  彭仕宓  高荣杰
作者单位:1. 石油大学, 北京102200; 2. 辽河油田, 辽宁盘锦124011
摘    要:古应力值、裂缝孔隙度和裂缝分维数等3个参数能从不同侧面对储层进行表征.古应力值是从裂缝的成因方面进行分析,通过建立地质模型,利用一定的构造约束条件,进行古应力场模拟计算获取最大古应力值的大小,应力值越大,裂缝越发育;利用双侧向测井曲线与裂缝层段的良好对应关系,识别出裂缝层段,然后再通过公式计算出裂缝孔隙度;依据裂缝发育具有分形的特点,利用三维地震资料预测裂缝带的分布,并用公式计算裂缝分维数,分维数反映了裂缝发育的复杂程度,分维数越大,裂缝越发育.综合这3个参数对研究区裂缝储层进行评价后认为,Ⅰ,Ⅱ类裂缝十分发育,且顺大断层方向呈块状排列,形成良好储层.

关 键 词:裂缝性储层  古应力值  裂缝孔隙度  裂缝分维数  综合评价  
文章编号:0253-9985(2001)03-0240-05
收稿时间:2001-03-26

QUANTITATIVE ASSESSMENT OF FRACTURED RESERVOIR:take the basement rock reservoir of Qijia buried hill in Liaohe Oilfieds as an example
Yin Zhijun,Peng Shimi,Gao Rongjie.QUANTITATIVE ASSESSMENT OF FRACTURED RESERVOIR:take the basement rock reservoir of Qijia buried hill in Liaohe Oilfieds as an example[J].Oil & Gas Geology,2001,22(3):240-244.
Authors:Yin Zhijun  Peng Shimi  Gao Rongjie
Affiliation:1. Petroleum University, Beijin; 2. Liaohe Oilfields, Panjing, Liaoning
Abstract:Paleostress value,fractural porosity and fracturel fractal dimension could be used to demonstrate the basement rock reservoir of Qijia buried hill in Liaohe Oilfields.The paleostress value determined the development of the resorvoir fractures.Use bilateral log curves to recognize fractured interval and calculate fractural porosity and then use 3-D date to predict the distribution of fractured zone.Finally use paleostress value,fractural porosity and fracture fractal dimention to evaluate fractured reservoir.The result indicates that Ⅰ~Ⅱ type fractures developed well,could forme favourable reservoir.
Keywords:fractured reservoir  paleostress value  fractural porosity  fracture fractal dimention  synthetic evaluation  
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