刘今子;邸伟娇;张雪;宋考平;朱维耀;董丽娜;闫力;

• 1:东北石油大学数学与统计学院

• 2:长江大学地球物理与石油资源学院

• 3:东北石油大学石油工程学院

• 4:北京科技大学土木与环境工程学院

摘要(Abstract)：

基于非均质油藏渗透率构型的3种非固定常数的典型分布模式,考虑低渗透油藏启动压力梯度函数的影响,将渗透率构型引入到启动压力梯度函数表征方程,推导考虑启动压力梯度和渗透率非均质构型下的产能计算公式,建立利用生产动态资料反演渗透率构型参数的优化算法;利用压力梯度、产量及启动压力梯度特征参数,确定注采井间的、渗透率构型的非均质分布特征参数。数值模拟结果表明:文中优化算法合理,有利于完善低渗透非均质油藏的渗流理论,可为油藏精细描述和开发挖潜提供支持。

关键词(KeyWords)：渗透率;非均质;构型;启动压力梯度;反演;低渗透油藏;产能

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金重点项目(50934003);国家自然科学基金项目(11372033,10872027);; 教育部专项资金资助项目(FRFMP-B12006B);; 黑龙江省青年科学基金项目(JJ2016QN0613);; 黑龙江省教育厅科学技术研究项目(12541058);; 东北石油大学青年自然科学基金项目(NEPUQN2014-21,NEPUQN2014-22)

作者(Author):刘今子;邸伟娇;张雪;宋考平;朱维耀;董丽娜;闫力;

Email:

参考文献(References)：

• [1]冯文光.非达西低速渗流的研究现状与展望[J].石油勘探与开发,1986,13(4):76-80.Feng Wenguang.Research status and prospect of non-darcy low-speed flow[J].Petroleum Exploration and Development,1986,13(4):76-80.

• [2]胡文瑞.中国低渗透油气的现状与未来[J].中国工程科学,2009,11(8):30.Hu Wenrui.The present and future of low permeability oil and gas in China[J].Engineering Sciences,2009,11(8):30.

• [3]窦宏恩,马世英,邹存友,等.正确认识低和特低渗透油藏启动压力梯度[J].中国科学:地球科学,2014,44(8):1751-1760.Dou hongen,Ma Shiying,Zou Chunyou,et al.Threshold pressure gradient of fluid flow through multi-porous media in low and extralow permeability reservoirs[J].Science China:Earth Sciences,2014,44(8):1751-1760.

• [4]王晓冬,郝明强,韩永新.启动压力梯度的含义与应用[J].石油学报,2013,34(1):188-191.Wang Xiaodong,Hao Mingqiang,Han Yongxin.Implication of the threshold pressure gradient and its application[J].Acta Petrolei Sinica,2013,34(1):188-191.

• [5]郝斐,程林松,李春兰,等.特低渗透油藏启动压力梯度研究[J].西南石油学院学报:自然科学版,2006,28(6):29-32.Hao Fei,Cheng Linsong,Li Xiulan,et al.Study on threshold pressure gradient in ultra-low permeability reservoir[J].Journal of Southwest Petroleum University:Science&Technology Edition,2006,28(6):29-32.

• [6]李松泉,程林松,李秀生,等.特低渗透油藏非线性渗流模型[J].石油勘探与开发,2008,35(5):606-612.Li Songquan,Cheng Linsong,Li Xiusheng,et al.Non-linear seepage flow models of ultra-low permeability reservoirs[J].Petroleum Exploration and Development,2008,35(5):606-612.

• [7]韩洪宝,程林松,张明禄,等.特低渗油藏考虑启动压力梯度的物理模拟及数值模拟方法[J].中国石油大学学报:自然科学版,2004,28(6):49-53.Han Hongbao,Chen Linsong,Zhang Minglu,et al.Physical simulation and numerical simulation of ultra-low permeability reservoir in consideration of starting pressure gradient[J].Journal of China University of Petroleum:Edition of Natural Science,2004,28(6):49-53.

• [8]李忠兴,韩洪宝,程林松,等.特低渗油藏启动压力梯度新的求解方法及应用[J].石油勘探与开发,2004,31(3):107-111.Li Zhongxing,Han Hongbao,Cheng Linsong,et al.A new solution and application of starting pressure gradient in ultra-low permeability reservoir[J].Petroleum Exploration and Development,2004,31(3):107-111.

• [9]朱维耀,刘今子,宋洪庆,等.低/特低渗透油藏非达西渗流有效动用计算方法[J].石油学报,2010,31(3):452-457.Zhu Weiyao,Liu Jinzi,Song Hongqing,et al.Calculation of effective startup degree of non-Darcy flow in low or ultra-low permeabil ity reservoirs[J].Acta Petrolei Sinica,2010,31(3):452-457.

• [10]刘今子,宋洪庆,朱维耀,等.考虑低渗透储层渗透率非均质性的有效驱动半径计算及分析[J].大庆石油学院学报,2011,35(1):68-72.Liu Jinzi,Song Hongqing,Zhu Weiyao,et al.Effective drive theory of nonlinear extra-low permeability reservoir thickness calculation method is discussed[J].Journal of Daqing Petroleum Institute,2011,35(1):68-72.

• [11]唐洪明,文鑫,张旭阳,等.层间非均质砾岩油藏水驱油模拟实验[J].西南石油大学学报:自然科学版,2014,36(5):129-135.Tang Hongming,Wen Xin,Zhang Xuyang,et al.Water-oil Displacing Modeling Experiment of Interlayer Heterogeneous Conglomerate Reservoir[J].Journal of Southwest Petroleum University:Science&Technology Edition,2014,36(5):129-135.

• [12]邓瑞健.储层平面非均质性对水驱油效果影响的实验研究[J].大庆石油地质与开发,2002,24(4):16-19.Deng Ruijian.Study influence opposing water driving oil impact of storing floor horizontal heterogeneity character[J].Petroleum Geology&Oilfield Development in Daqing,2002,24(4):16-19.

• [13]宋考平,崔晓娜,苏旭,等.大庆外围特低渗透储层合理流压确定与应用[J].特种油气藏,2014,21(1):102-105.Song Kaoping,Cui Xiaona,Su Xu,et al.Determination and application of reasonable flowing pressure in ultra-low permeability reservoirs,peripheral Daqing[J].Special Oil&Gas Reservoirs,2014,21(1):102-105.

• [14]姜瑞忠,于成超,孔垂显,等.低渗透油藏优势渗流通道模型的建立及应用[J].特种油气藏,2014,21(5):85-88.Jiang Ruizhong,Yu Chengchao,Kong Chuixian,et al.Establishment and application of dominant seepage path model of low-permeability oil reservoirs[J].Special Oil&Gas Reservoirs,2014,21(5):85-88.

• [15]周鸿璞,黄文辉,姜在兴,等.利津洼陷沙四上亚段砂岩透镜体成岩作用非均质性成因[J].东北石油大学学报,2015,39(5):52-62.Zhou Hongpu,Huang Wenhui,Jiang Zaixing,et al.Origin of diagenesis heterogeneity of lenticular sandbodies in the upper Es4,Lijin sag[J].Journal of Northeast Petroleum University,2015,39(5):52-62.

• [16]刘海龙,吴淑红,李华,等.基于单井动态产量方法的低渗透气藏井网密度[J].东北石油大学学报,2015,39(5):86-95.Liu Hailong,Wu Shuhong,Li Hua,et al.Determination of well pattern density in low permeability gas reservoirs based on dynamic single well production[J].Journal of Northeast Petroleum University,2015,39(5):86-95.

• [17]王石,高先志,路建国.薄互层砂岩储层非均质性对油气分布的影响——以陆9井区K1h26油藏为例[J].东北石油大学学报,2016,40(4):26-34.Wang shi,Gao Xianzhi,Lu Jianguo.Heterogeneity of sandstone reservoir with alternating thin layers and oiliness distribution:A case study of K1h26 reservoir in Lu9well area[J].Journal of Northeast Petroleum University,2016,40(4):26-34.

• [18]王家航,侯晓春,王晓冬,等.河道型低渗透储层有限导流垂直裂缝井动态特征[J].东北石油大学学报,2014,38(4):72-79.Wang Jiahang,Hou Xiaochun,Wang Xiaodong,et al.Performance of vertical fractured wells with finite conductivity in channel-type reservoirs with low permeability[J].Journal of Northeast Petroleum University,2014,38(4):72-79.