变形后阿尔奇公式在特低渗储层解释中的应用
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摘要
阿尔奇公式自提出以来,一直被广泛应用于测井饱和度解释领域,并取得了卓越的成果。针对特低渗透储层孔隙结构复杂、胶结程度高、孔隙曲折程度难以掌握等特点,直接利用阿尔奇公式计算含水饱和度有较大误差。通过调研大量文献以及对现场岩心资料的分析,将渗透率引入阿尔奇公式后对其进行修正,建立了适用于特低渗透储层的阿尔奇公式,同时得到了适合特低渗透储层的胶结指数与导电系数,探讨了特低渗透储层特性对岩电参数以及地层因素的影响。这为阿尔奇公式在测井饱和度解释方面的应用做出了更大范围的推广,使其在特低渗透储层的解释方面更为精准。
The Archie formula has been widely used in the field of log saturation interpretation since it was put forward and has achieved remarkable results. It is the foundation of quantitative calculation of oil saturation with well log data. However,the experimental research is done under the indoorconditions of high porosity and high permeability rock sample,for the characteristics of low permeability reservoir,such as complex pore structure,high degree of cementation,and the difficulty in grasping the degree of pore tortuosity,using of Archie formula directly to calculate water saturation may make a larger error. The author madea large number of literature research,as well as the analysis of core data,deformed the Archie formula after introduced the permeability into the it,and finally established the Archie formula for extra-low permeability reservoir,and obtained the cementation index and conductivity of the extra-low permeability reservoir. In addition,the author discussed the influence of pore structure on rock electrical parameters and formation factors. This makes the Archie formula a widely use in the interpretation of logging reservoir saturation,and the calculation results of Archie's in extra-low permeability reservoir more accurately.
The Archie formula has been widely used in the field of log saturation interpretation since it was put forward and has achieved remarkable results. It is the foundation of quantitative calculation of oil saturation with well log data. However,the experimental research is done under the indoorconditions of high porosity and high permeability rock sample,for the characteristics of low permeability reservoir,such as complex pore structure,high degree of cementation,and the difficulty in grasping the degree of pore tortuosity,using of Archie formula directly to calculate water saturation may make a larger error. The author madea large number of literature research,as well as the analysis of core data,deformed the Archie formula after introduced the permeability into the it,and finally established the Archie formula for extra-low permeability reservoir,and obtained the cementation index and conductivity of the extra-low permeability reservoir. In addition,the author discussed the influence of pore structure on rock electrical parameters and formation factors. This makes the Archie formula a widely use in the interpretation of logging reservoir saturation,and the calculation results of Archie's in extra-low permeability reservoir more accurately.
引文
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[16]刘忠华,吴淑琴,杜宝会,等.储层渗透性与地层因素关系的实验研究与分析[J].地球物理学报,2013(6):2088-2097.
[17]张冲,郭聪,宋秋强,等.利用压汞资料预测储层地层因素F的改进方法[J].中国矿业大学学报,2016(4):747-753.
[18]罗少成,成志刚,唐冰娥,等.致密砂岩储层胶结指数m和岩性系数a的研究[J].复杂油气藏,2014(4):1-5.
[19]吴国海,郭海峰.变质岩储层变m值测井解释方法探索[J].国外测井技术,2015(4):36-40.
[20]赵发展,王贇,何亿成.砾岩在不同矿化度下的岩电参数变化规律[J].物探与化探,2004(2):116-118.
[2]陈志明,蔡雨桐,刘冰,等.低渗透岩石渗流规律的实验研究方法[J].天然气与石油,2012(3):49-52,101.
[3]刘国霖,孔玉明,沈蔚,等.低渗透储层水锁伤害解除技术室内研究[J].天然气与石油,2012(4):67-69,102.
[4]黄小平,柴婧.阿尔奇公式在泥页岩地层含油饱和度计算中的应用——以沾化凹陷沙三段下亚段为例[J].油气地质与采收率,2014(4):58-61,115.
[5]李占东,李阳,刘云利,等.松辽盆地南部东南隆起区白垩系登娄库组沉积特征[J].石油与天然气地质,2014(3):401-409.
[6]杜新龙.低渗透砂岩油层微流动机理研究[D].成都:西南石油大学,2012.
[7]李功强,张军,胡瑶,等.致密砂岩孔隙度-电阻率关系与地层因素计算方法研究[J].地球物理学进展,2016(2):695-700.
[8]张振城,孙建孟,马建海,等.阿尔奇公式中a,m值对饱和度计算结果的影响[J].石油大学学报(自然科学版),2004(6):27-30,34.
[9]李秋实,周荣安,张金功,等.阿尔奇公式与储层孔隙结构的关系[J].石油与天然气地质Oil&Gas Geology,2002(4):364-367.
[10]李占东,王义军,胡慧婷,等.松辽盆地北部青山口组一段泥页岩储集层特征[J].新疆石油地质,2015(1):20-24.
[11]李占东,王殿举,张海翔,等.松辽盆地南部东南隆起区白垩系泉头组典型河流相沉积特征[J].石油与天然气地质,2015(4):621-629.
[12]李占东,卢双舫,李军辉,等.松辽盆地肇源—太平川地区白垩系姚家组一段沉积特征及演化[J].中南大学学报(自然科学版),2011,12:3818-3826.
[13]周荣安.阿尔奇公式在碎屑岩储集层中的应用[J].石油勘探与开发,1998(5):96-98.
[14]赵良孝.对阿尔奇公式中m值物理、地质意义的重新认识[J].国外测井技术,2013(6):21-23.
[15]李欣,张志虎,李鸿儒,等.改进型阿尔奇方程在复杂岩性储层测井评价中的应用[J].石油工业技术监督,2015(12):1-4.
[16]刘忠华,吴淑琴,杜宝会,等.储层渗透性与地层因素关系的实验研究与分析[J].地球物理学报,2013(6):2088-2097.
[17]张冲,郭聪,宋秋强,等.利用压汞资料预测储层地层因素F的改进方法[J].中国矿业大学学报,2016(4):747-753.
[18]罗少成,成志刚,唐冰娥,等.致密砂岩储层胶结指数m和岩性系数a的研究[J].复杂油气藏,2014(4):1-5.
[19]吴国海,郭海峰.变质岩储层变m值测井解释方法探索[J].国外测井技术,2015(4):36-40.
[20]赵发展,王贇,何亿成.砾岩在不同矿化度下的岩电参数变化规律[J].物探与化探,2004(2):116-118.