鄂尔多斯盆地华庆地区长6_3~1储层流动单元划分与展布
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摘要
鄂尔多斯盆地华庆地区三叠系延长组长6_3~1砂层组是典型的低孔低渗致密砂岩储层。通过铸体薄片和扫描电镜等资料并结合主要成岩作用分析,该砂层组砂岩储层可以分成8种成岩相,对应了5种成岩组合:建设性胶结—溶蚀作用、建设性胶结作用或溶蚀作用、破坏性胶结—溶蚀作用、破坏性胶结作用及机械压实作用。在成岩组合背景的基础上提出了划分流动单元新的思路和方法:利用K-means聚类方法,基于华庆地区608口井的储层参数数据,以及长6_3~1砂层组沉积微相分布,划分了5类流动单元,研究成果对预测有利勘探区具有重要的应用价值。
The Chang 6_3~1 sand set of Triassic Yanchang Formation in Huaqing area of Ordos Basin is a typical tight sandstone reservoir with low porosity and low permeability.Through the analysis of casting thin sections and scanning electron microscope and combined with main diagenesis,the sandstone reservoir of this sand set can be divided into eight diagenetic facies which corresponding to 5 diagenetic assemblages:constructive cementation and dissolution,constructive cementation or dissolution,destructive cementation and dissolution,destructive cementation and mechanical compaction.A new idea and method for dividing the flow unit is proposed on the basis of the diagenetic assemblage background.By using the K-means clustering method,the flow unit is divided into 5 categories through 608 wells' reservoir parameter data and the sedimentary microfacies in this area,which can provide important application values for the prediction of favorable exploration area.
The Chang 6_3~1 sand set of Triassic Yanchang Formation in Huaqing area of Ordos Basin is a typical tight sandstone reservoir with low porosity and low permeability.Through the analysis of casting thin sections and scanning electron microscope and combined with main diagenesis,the sandstone reservoir of this sand set can be divided into eight diagenetic facies which corresponding to 5 diagenetic assemblages:constructive cementation and dissolution,constructive cementation or dissolution,destructive cementation and dissolution,destructive cementation and mechanical compaction.A new idea and method for dividing the flow unit is proposed on the basis of the diagenetic assemblage background.By using the K-means clustering method,the flow unit is divided into 5 categories through 608 wells' reservoir parameter data and the sedimentary microfacies in this area,which can provide important application values for the prediction of favorable exploration area.
引文
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[12] Zhang Xi,Sun Wei,Yang Xiaojing,et al.Quantitative calculation of tight sandstone reservoir porosity evolution based on different diagenesis:A case study of Chang 63reservoir in Huaqing area,Ordos Basin[J].Petroleum Geology and Experiment,2017,39(1):126-133.张茜,孙卫,杨晓菁,等.致密砂岩储层差异性成岩演化对孔隙度演化定量表征的影响——以鄂尔多斯盆地华庆地区长63储层为例[J].石油实验地质,2017,39(1):126-133.
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[14] Li Lingling,Zhang Xingyong.Sedimentary facies of Chang 8Reservoir in Yanchang Formation of Huaqing area of Ordos Basin[J].Journal of Oil and Gas Technology,2011,33(6):170-174.李玲玲,张兴勇.鄂尔多斯盆地华庆地区长8油层组沉积相研究[J].石油天然气学报,2011,33(6):170-174.
[15] Wang Qiang,Sun Wei,Ren Dazhong,et al.Study on the flow units of 81reservoir of Yanchang Formation in Huaqing area[J].Journal of Yangtze University:Natural Science Edition,2012,9(10):54-56.王强,孙卫,任大忠,等.华庆地区延长组长81储层流动单元研究[J].长江大学学报:自科版,2012,9(10):54-56.
[16] Zhang Haozhi,Lv Min,Li Yongchen.Study on division method of Chang 63reservoir flow unit in Huaqing area[J].Petroleum Geology and Engineering,2014,28(6):59-61.张昊祉,吕敏,李永臣.华庆地区长63储层流动单元划分方法研究[J].石油地质与工程,2014,28(6):59-61.
[17] Chen Wenhao,Wang Zhizhang,Pan Lu,et al.Discussions on flow unit quantitative identification methodology in tight sandstone reservoirs[J].Natural Gas Geoscience,2016,27(5):844-850.陈文浩,王志章,潘潞,等.致密砂岩储层流动单元定量识别方法探讨[J].天然气地球科学,2016,27(5):844-850.
[18] Wei Bin,Chen Jianwen,Zheng Junmao,et al.Utilization of reservoir flow unit to study remaining oil distribution in high water containing oilfield[J].Earth Science Frontiers,2000,7(4):403-410.魏斌,陈建文,郑浚茂,等.应用储层流动单元研究高含水油田剩余油分布[J].地学前缘,2000,7(4):403-410.
[19] Hearn C L,Ebanks W J,Tye R S,et al.Geological factors influencing reservoir performance of the Hartzog Draw Field,Wyoming[J].Journal of Petroleum Technology,1984,36(8):1335-1344.
[20] Yao Hefa,Lin Chengyan,Jin Xiuju,et al.Study on multi-parameters discrimination method for flow units[J].Acta Sedimentologica Sinica,2006,24(1):90-95.姚合法,林承焰,靳秀菊,等.多参数判别流动单元的方法探讨[J].沉积学报,2006,24(1):90-95.
[21] Liu Jiyu.Advances in study on flow unit[J].Advances in Earth Science,2000,15(3):303-306.刘吉余.流动单元研究进展[J].地球科学进展,2000,15(3):303-306.
[22] Pang Jungang,Yang Youyun,Tian Jianfeng,et al.Single diagenetic factor analysis of diagenesis facies in the tight sandstone reservoir:An example from the Chang 63sub-member of the Yanchang Formation in the Huaqing area,Ordos Basin[J].Bulletin of Mineralogy,Petrology and Geochemistry,2015,34(2):369-378.庞军刚,杨友运,田建锋,等.致密砂岩储集层单因素定量成岩相分析——以华庆地区三叠系延长组长63为例[J].矿物岩石地球化学通报,2015,34(2):369-378.
[23] Wang Zhizhang,He Gang.Division of reservoir flow unit and its application[J].Natural Gas Geoscience,2010,21(3):362-366.王志章,何刚.储层流动单元划分方法与应用[J].天然气地球科学,2010,21(3):362-366.
[24] Zhang Jianping,Liu Xiyu.Application in cluster’s analysis is analyzed in children development period[J].Application Research of Computers,2007,24(5):166-168.张建萍,刘希玉.基于聚类分析的K-means算法研究及应用[J].计算机应用研究,2007,24(5):166-168.
[25] Hartigan J A,Wong M A.Algorithm A S 136:A K-means clustering algorithm[J].Journal of the Royal Statistical Society,1979,28(1):100-108.
[2] Yang H,Niu X,Luo S,et al.Research of simulated experiment on gravity flow deposits of tight sand bodies of Chang 7Formation in Longdong area,Ordos Basin[J].Earth Science Frontiers,2015,22(3):322-332.
[3] Liu M J,Liu Z,Wang P,et al.Diagenesis of the Triassic Yanchang Formation tight sandstone reservoir in the Xifeng-Ansai area of Ordos Basin and its porosity evolution[J].Acta Geologica Sinica:English Edition,2016,90(3):956-970.
[4] Lan Yefang,Deng Xiuqin,Cheng Dangxing,et al.Diagenetic facies and reservoir quality evaluation of Chang 6sandstone reservoir in the Upper Triassic Yanchang Formation of Huaqing area,Ordos Basin[J].Acta Petrologica et Mineralogica,2014,33(1):51-63.兰叶芳,邓秀芹,程党性,等.鄂尔多斯盆地华庆地区长6油层组砂岩成岩相及储层质量评价[J].岩石矿物学杂志,2014,33(1):51-63.
[5] Yang Hua,Fu Jinhua,He Haiqing,et al.Formation and distribution of large low-permeability lithologic oil regions in Huaqing,Ordos Basin[J].Petroleum Exploration and Development,2012,39(6):641-648.杨华,付金华,何海清,等.鄂尔多斯华庆地区低渗透岩性大油区形成与分布[J].石油勘探与开发,2012,39(6):641-648.
[6] Chen Dayou,Zhu Yushuang,Zhang Jiaosheng,et al.Diagenesis and favorable diagenetic facies of the eighth member of Yanchang Formation in Maling area,the Ordos Basin[J].Petroleum Geology and Experiment,2015,37(6):721-728.陈大友,朱玉双,张皎生,等.鄂尔多斯盆地马岭地区长8储层成岩作用与有利成岩相带[J].石油实验地质,2015,37(6):721-728.
[7] Guo Yanqin,Yu Fang,Li Yang,et al.Diagenesis and favorable diagenetic facies of Chang 9reservoir in Huaqing area of Ordos Basin[J].Journal of Northwest University:Natural Science Edition,2016,46(4):558-564.郭艳琴,余芳,李洋,等.鄂尔多斯盆地华庆地区长9储层成岩作用与有利成岩相[J].西北大学学报:自然科学版,2016,46(4):558-564.
[8] Zhou Yong,Xu Liming,Ji Youliang,et al.Characteristics and distributing controlling factors of relatively high permeability reservoir:A case study from Chang 82sandstones of Yanchang Formation in Longdong area,Ordos Basin[J].Journal of China University of Mining&Technology,2017,46(1):106-120.周勇,徐黎明,纪友亮,等.致密砂岩相对高渗储层特征及分布控制因素研究——以鄂尔多斯盆地陇东地区延长组长82为例[J].中国矿业大学学报,2017,46(1):106-120.
[9] Yao Jingli,Deng Xiuqin,Zhao Yande,et al.Characteristics of tight oil in Triassic Yanchang Formation,Ordos Basin[J].Petroleum Exploration and Development,2013,40(2):150-158.姚泾利,邓秀芹,赵彦德,等.鄂尔多斯盆地延长组致密油特征[J].石油勘探与开发,2013,40(2):150-158.
[10] Sun Ningliang,Zhong Jianhua,Liu Shaoguang,et al.Diagenesis and physical property evolution of gravity flow tight reservoir of Yanchang Formation in southern Ordos Basin[J].Editorial Committee of Earth Science:Journal of China University of Geosciences,2017,42(10):1802-1816.孙宁亮,钟建华,刘绍光,等.鄂尔多斯盆地南部延长组重力流致密储层成岩作用及物性演化[J].地球科学:中国地质大学学报,2017,42(10):1802-1816.
[11] Zou Caineng,Tao Shizhen,Zhou Hui,et al.Genesis,classification and evaluation method of diagenetic facies[J].Petroleum Exploration and Development,2008,35(5):526-540.邹才能,陶士振,周慧,等.成岩相的形成、分类与定量评价方法[J].石油勘探与开发,2008,35(5):526-540.
[12] Zhang Xi,Sun Wei,Yang Xiaojing,et al.Quantitative calculation of tight sandstone reservoir porosity evolution based on different diagenesis:A case study of Chang 63reservoir in Huaqing area,Ordos Basin[J].Petroleum Geology and Experiment,2017,39(1):126-133.张茜,孙卫,杨晓菁,等.致密砂岩储层差异性成岩演化对孔隙度演化定量表征的影响——以鄂尔多斯盆地华庆地区长63储层为例[J].石油实验地质,2017,39(1):126-133.
[13] Han Wenxue,Hou Lianhua,Yao Jingli,et al.Characteristics and formation mechanism of Chang 7tight sandstone reservoir in Ordos Basin[J].Journal of China University of Mining&Technology,2016,45(4):765-771.韩文学,侯连华,姚泾利,等.鄂尔多斯盆地长7段致密砂岩储层特征及成因机理[J].中国矿业大学学报,2016,45(4):765-771.
[14] Li Lingling,Zhang Xingyong.Sedimentary facies of Chang 8Reservoir in Yanchang Formation of Huaqing area of Ordos Basin[J].Journal of Oil and Gas Technology,2011,33(6):170-174.李玲玲,张兴勇.鄂尔多斯盆地华庆地区长8油层组沉积相研究[J].石油天然气学报,2011,33(6):170-174.
[15] Wang Qiang,Sun Wei,Ren Dazhong,et al.Study on the flow units of 81reservoir of Yanchang Formation in Huaqing area[J].Journal of Yangtze University:Natural Science Edition,2012,9(10):54-56.王强,孙卫,任大忠,等.华庆地区延长组长81储层流动单元研究[J].长江大学学报:自科版,2012,9(10):54-56.
[16] Zhang Haozhi,Lv Min,Li Yongchen.Study on division method of Chang 63reservoir flow unit in Huaqing area[J].Petroleum Geology and Engineering,2014,28(6):59-61.张昊祉,吕敏,李永臣.华庆地区长63储层流动单元划分方法研究[J].石油地质与工程,2014,28(6):59-61.
[17] Chen Wenhao,Wang Zhizhang,Pan Lu,et al.Discussions on flow unit quantitative identification methodology in tight sandstone reservoirs[J].Natural Gas Geoscience,2016,27(5):844-850.陈文浩,王志章,潘潞,等.致密砂岩储层流动单元定量识别方法探讨[J].天然气地球科学,2016,27(5):844-850.
[18] Wei Bin,Chen Jianwen,Zheng Junmao,et al.Utilization of reservoir flow unit to study remaining oil distribution in high water containing oilfield[J].Earth Science Frontiers,2000,7(4):403-410.魏斌,陈建文,郑浚茂,等.应用储层流动单元研究高含水油田剩余油分布[J].地学前缘,2000,7(4):403-410.
[19] Hearn C L,Ebanks W J,Tye R S,et al.Geological factors influencing reservoir performance of the Hartzog Draw Field,Wyoming[J].Journal of Petroleum Technology,1984,36(8):1335-1344.
[20] Yao Hefa,Lin Chengyan,Jin Xiuju,et al.Study on multi-parameters discrimination method for flow units[J].Acta Sedimentologica Sinica,2006,24(1):90-95.姚合法,林承焰,靳秀菊,等.多参数判别流动单元的方法探讨[J].沉积学报,2006,24(1):90-95.
[21] Liu Jiyu.Advances in study on flow unit[J].Advances in Earth Science,2000,15(3):303-306.刘吉余.流动单元研究进展[J].地球科学进展,2000,15(3):303-306.
[22] Pang Jungang,Yang Youyun,Tian Jianfeng,et al.Single diagenetic factor analysis of diagenesis facies in the tight sandstone reservoir:An example from the Chang 63sub-member of the Yanchang Formation in the Huaqing area,Ordos Basin[J].Bulletin of Mineralogy,Petrology and Geochemistry,2015,34(2):369-378.庞军刚,杨友运,田建锋,等.致密砂岩储集层单因素定量成岩相分析——以华庆地区三叠系延长组长63为例[J].矿物岩石地球化学通报,2015,34(2):369-378.
[23] Wang Zhizhang,He Gang.Division of reservoir flow unit and its application[J].Natural Gas Geoscience,2010,21(3):362-366.王志章,何刚.储层流动单元划分方法与应用[J].天然气地球科学,2010,21(3):362-366.
[24] Zhang Jianping,Liu Xiyu.Application in cluster’s analysis is analyzed in children development period[J].Application Research of Computers,2007,24(5):166-168.张建萍,刘希玉.基于聚类分析的K-means算法研究及应用[J].计算机应用研究,2007,24(5):166-168.
[25] Hartigan J A,Wong M A.Algorithm A S 136:A K-means clustering algorithm[J].Journal of the Royal Statistical Society,1979,28(1):100-108.
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