基于油水相指数时变的相对渗透率计算方法
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摘要
非稳态实验法获取的相对渗透率数据点主要集中在高含水饱和度处,水驱前缘数据点较少,直接应用到中轻质油田生产动态分析及数模拟合中易导致早期开发规律难以准确认识,不能完整反应整个开发历程。利用广适水驱曲线进行中低含水期含水饱和度计算,并将传统相对渗透率计算模型进行改进,创新性提出基于油水相指数时变的相对渗透率计算方法,实现低含水期相对渗透率数据加密。结果证明,该方法与稳态实验法测得数据吻合度较高,能够反应低含水期渗流规律,对于中轻质油田相对渗透率的获取具有借鉴意义。
Since the experimental points of non-steady state method are often concentrated after oil and water both coming out,resulting in insufficient data of the oil-water front. The application of non-steady state method to medium-light oilfield may cause deviation,resulting in difficulties to accurately understand the law of water rising. In this paper,the traditional relative permeability model is improved,and the relative permeability calculation is carried out by using the oilfield production data to realize the encryption of the relative permeability in the low water cut period. The results show that the method is consistent with the experimentally measured data and can reflect the seepage law in low water cut period and is of strong guiding significance for obtaining relative permeability in medium-light oilfield.
Since the experimental points of non-steady state method are often concentrated after oil and water both coming out,resulting in insufficient data of the oil-water front. The application of non-steady state method to medium-light oilfield may cause deviation,resulting in difficulties to accurately understand the law of water rising. In this paper,the traditional relative permeability model is improved,and the relative permeability calculation is carried out by using the oilfield production data to realize the encryption of the relative permeability in the low water cut period. The results show that the method is consistent with the experimentally measured data and can reflect the seepage law in low water cut period and is of strong guiding significance for obtaining relative permeability in medium-light oilfield.
引文
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[5]李金宜，陈丹磬，朱文森，等．海上疏松砂岩油藏相对渗透率曲线影响因素实验分析[J]．石油地质与工程，2016,30(5):78-80.Li Jinyi,Chen Danqing,Zhu Wensen,et al. Experimental Influencing Factors Analysis of the Relative Permeability Curves for Marine Loose Water Reservoir[J]. Petroleum Geology and Engineering,2016,30(5):78-80.
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[9]王东琪，殷代印．水驱油藏相对渗透率曲线经验公式研究[J]．岩性油气藏，2017,29(3):159-164.Wang Dongqi,Yin Daiyin. Empirical Formulas of Relative Permeability Curve of Water Drive Reservoirs[J]. Lithologic Reservoirs,2017,29(3):159-164.
[10]张顺康，徐建军．基于油水相渗数据的驱油效率计算方法[J]．大庆石油地质与开发，2017,36(3):70-72.Zhang Shunkang,Xu Jianjun. Calculating Method of the Oil Displaced Efficiency Based on the Oil and Water Relative Permeability Data[J]. Petroleum Geology&Oilfield Development in Daqing,2017,36(3):70-72.
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[13]彭彩珍，薛晓宁，王凤兰，等．非稳态法油水相对渗透率实验数据处理方法[J]．大庆石油地质与开发，2018,37(2):74-78.Peng Caizhen, Xue Xiaoning, Wang Fenglan, et al.Experimental Data Processing Method of the Oil-Water Relative Permeabilities by Unsteady State Method[J].Petroleum Geology and Oilfield Development in Daqing,2018,37(2):74-78.
[14]张星星，杜竞，白磊，等．非稳态法优化校正油水相对渗透率曲线的新方法[J]．断块油气田，2016,23(2):185-188.Zhang Xingxing,Du Jing,Bai Lei,et al. New Calibration Method for Oil-Water Relative Permeability Curves Based on Unsteady State Method[J]. Fault-Block Oil&Gas Field,2016,23(2):185-188.
[15]张金庆，孙福街，安桂荣．水驱油田含水上升规律和递减规律研究[J]．油气地质与采收率，2011,18(6):82-85.
[15]Zhang Jinqing,Sun Fujie,An Guirong. Study on Incremental Law of Water Cut and Decline Law in Water Drive Oilfield[J]. Petroleum Geology and Recovery Efficiency,2011,18(6):82-85.
[16]张金庆，孙福街．相渗曲线和水驱曲线与水驱储量的关系[J]．新疆石油地质，2010,31(6):629-631.Zhang Jinqing,Sun Fujie. Quantitative Relationship Between Relative Permeability Curve, Water Drive Curve and Waterflood Reserve[J]. Xinjiang Petroleum Geology,2010,31(6):629-631.
[17]马艳丽，赵忠军，张振红，等．低渗低黏度油藏相渗曲线计算方法———丁型水驱特征曲线法[J]．油气藏评价与开发，2012(6):28-31.Ma Yanli,Zhao Zhongjun,Zhang Zhenhong,et al. Relative Permeability Curve Computing Method in Low Permeability and Viscosity Reservoirs———Type IV Water Drive Characteristic Curve Method[J]. Reservoir Evaluation and Development,2012(6):28-31.
[18]雷霄，查玉强，姜平，等．一种改进的油水相渗实验末端效应校正方法[J]．中国海上油气，2016,28(5):49-53.Lei Xiao,Zha Yuqiang,Jiang Ping,et al. An Improved Correction Method for End-Effect in Oil-Water Relative Permeability Experiment[J]. China Offshore Oil and Gas,2016,28(5):49-53.
[19]陈丹磬．基于常规孔渗定量预判束缚水饱和度合理值范围[J]．断块油气田，2016,23(1):77-80.Chen Danqing. Reasonable Value Estimation of Irreducible Water Saturation by Porosity and Permeability Characteristics[J]. Fault-Block Oil&Gas Field,2016,23(1):77-80.
[20]李金宜，陈丹磬，朱文森，等．一种对残余油饱和度合理值范围的预判方法[J]．断块油气田，2016,23(3):386-389.Li Jinyi,Chen Danqing,Zhu Wensen,et al. A Prejudge Way for Reasonable Value Range of Irreducible Oil Saturation[J]. Fault-Block Oil&Gas Field,2016,23(3):386-389.
[2] Krause M H, Benson S M. Accurate Determination of Charac-teristic Relative Permeability Curves[J]. Advances in Water Resources,2015,83:376-388.
[3]高文君，姚江荣，公学成，等．水驱油田油水相对渗透率曲线研究[J]．新疆石油地质，2014,35(5):552-557Gao Wenjun,Yao Jiangrong,Gong Xuecheng,et al. Study on Oil-Water Relative Permeability Curves in Water Flooding Oilfields[J]. Xinjiang Petroleum Geology,2014,35(5):552-557.
[4]张继成，宋考平．相对渗透率特征曲线及其应用[J]．石油学报，2007,28(4):104-107.Zhang Jicheng, Song Kaoping. Eigen Curve of Relative Permeability and Its Application[J]. Acta Petrolei Sinica,2007,28(4):104-107.
[5]李金宜，陈丹磬，朱文森，等．海上疏松砂岩油藏相对渗透率曲线影响因素实验分析[J]．石油地质与工程，2016,30(5):78-80.Li Jinyi,Chen Danqing,Zhu Wensen,et al. Experimental Influencing Factors Analysis of the Relative Permeability Curves for Marine Loose Water Reservoir[J]. Petroleum Geology and Engineering,2016,30(5):78-80.
[6]刘吉余，徐浩，刘曼玉．根据相渗曲线研究不同砂体水淹层解释标准方法[J]．西部探矿工程，2010,22(2):64-65.Liu Jiyu,Xu Hao,Liu Manyu. Study on Method of Different Sand Body Water-Flooded Layers Interpretation Criterion Based on Relative Permeability Curve[J]. West-China Exploration Engineering,2010,22(2):64-65.
[7]王守龙，李爱芬，彭锐罡，等．黏度比对稠油-水相对渗透率曲线的影响[J]．科学技术与工程，2017,17(33):92-96.Wang Shoulong,Li Aifen,Peng Ruigang,et al. Effect of Oil-Water Viscosity Ratio on Heavy Oil-Water Relative Permeability Curve[J]. Science Technology and Engineering,2017,17(33):92-96.
[8]吕成远．油藏条件下油水相对渗透率实验研究[J]．石油勘探与开发，2003,30(4):102-104.LüChengyuan. Experimental Study on Oil-Water Relative Permeability Under Natural Reservoir Conditions[J]. Petroleum Exploration and Development,2003,30(4):102-104.
[9]王东琪，殷代印．水驱油藏相对渗透率曲线经验公式研究[J]．岩性油气藏，2017,29(3):159-164.Wang Dongqi,Yin Daiyin. Empirical Formulas of Relative Permeability Curve of Water Drive Reservoirs[J]. Lithologic Reservoirs,2017,29(3):159-164.
[10]张顺康，徐建军．基于油水相渗数据的驱油效率计算方法[J]．大庆石油地质与开发，2017,36(3):70-72.Zhang Shunkang,Xu Jianjun. Calculating Method of the Oil Displaced Efficiency Based on the Oil and Water Relative Permeability Data[J]. Petroleum Geology&Oilfield Development in Daqing,2017,36(3):70-72.
[11]陈忠，殷宜平，陈浩．非稳态法计算油水相对渗透率的方法探讨[J]．断块油气田，2005,12(1):41-43.Chen Zhong, Yin Yiping, Chen Hao. The Calculation Method of Oil-Water Relative Permeability by Unsteady-State[J]. Fault-Block Oil&Gas Field,2005,12(1):41-43.
[12]董大鹏．非稳态相渗实验数据的处理方法[J]．西南石油大学学报(自然科学版)，2014,36(6):110-116.Dong Dapeng. Processing Method to the Data of Relative Permeability in Unsteady State Displacement[J]. Journal of Southwest Petroleum University(Science&Technology Edition),2014,36(6):110-116.
[13]彭彩珍，薛晓宁，王凤兰，等．非稳态法油水相对渗透率实验数据处理方法[J]．大庆石油地质与开发，2018,37(2):74-78.Peng Caizhen, Xue Xiaoning, Wang Fenglan, et al.Experimental Data Processing Method of the Oil-Water Relative Permeabilities by Unsteady State Method[J].Petroleum Geology and Oilfield Development in Daqing,2018,37(2):74-78.
[14]张星星，杜竞，白磊，等．非稳态法优化校正油水相对渗透率曲线的新方法[J]．断块油气田，2016,23(2):185-188.Zhang Xingxing,Du Jing,Bai Lei,et al. New Calibration Method for Oil-Water Relative Permeability Curves Based on Unsteady State Method[J]. Fault-Block Oil&Gas Field,2016,23(2):185-188.
[15]张金庆，孙福街，安桂荣．水驱油田含水上升规律和递减规律研究[J]．油气地质与采收率，2011,18(6):82-85.
[15]Zhang Jinqing,Sun Fujie,An Guirong. Study on Incremental Law of Water Cut and Decline Law in Water Drive Oilfield[J]. Petroleum Geology and Recovery Efficiency,2011,18(6):82-85.
[16]张金庆，孙福街．相渗曲线和水驱曲线与水驱储量的关系[J]．新疆石油地质，2010,31(6):629-631.Zhang Jinqing,Sun Fujie. Quantitative Relationship Between Relative Permeability Curve, Water Drive Curve and Waterflood Reserve[J]. Xinjiang Petroleum Geology,2010,31(6):629-631.
[17]马艳丽，赵忠军，张振红，等．低渗低黏度油藏相渗曲线计算方法———丁型水驱特征曲线法[J]．油气藏评价与开发，2012(6):28-31.Ma Yanli,Zhao Zhongjun,Zhang Zhenhong,et al. Relative Permeability Curve Computing Method in Low Permeability and Viscosity Reservoirs———Type IV Water Drive Characteristic Curve Method[J]. Reservoir Evaluation and Development,2012(6):28-31.
[18]雷霄，查玉强，姜平，等．一种改进的油水相渗实验末端效应校正方法[J]．中国海上油气，2016,28(5):49-53.Lei Xiao,Zha Yuqiang,Jiang Ping,et al. An Improved Correction Method for End-Effect in Oil-Water Relative Permeability Experiment[J]. China Offshore Oil and Gas,2016,28(5):49-53.
[19]陈丹磬．基于常规孔渗定量预判束缚水饱和度合理值范围[J]．断块油气田，2016,23(1):77-80.Chen Danqing. Reasonable Value Estimation of Irreducible Water Saturation by Porosity and Permeability Characteristics[J]. Fault-Block Oil&Gas Field,2016,23(1):77-80.
[20]李金宜，陈丹磬，朱文森，等．一种对残余油饱和度合理值范围的预判方法[J]．断块油气田，2016,23(3):386-389.Li Jinyi,Chen Danqing,Zhu Wensen,et al. A Prejudge Way for Reasonable Value Range of Irreducible Oil Saturation[J]. Fault-Block Oil&Gas Field,2016,23(3):386-389.