鄂尔多斯盆地华庆地区长6_3储层成藏期孔隙度定量演化及致密成因机理
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摘要
基于鄂尔多斯盆地华庆地区长6_3致密砂岩储层三角洲前缘及半深湖相的稳定沉积特征,按照碎屑岩成岩演化特征或地质综合效应建立与孔隙度对应的模拟方程。采用铸体薄片及扫描电镜描述岩石的矿物组分及孔隙类型;图像粒度获取碎屑颗粒的结构特征及分选性;利用沉积微相、测井、样品取样点常规物性及深度分析获取沉积环境、埋藏深度、物性;结合古温度、镜质组反射率、最高热解温度、粘土矿物等数据,开展成岩作用、孔隙演化、相对高渗成因的研究;结合研究区埋藏史、古地温研究,基于不同成岩作用下孔隙度演化特征分析华庆油田长6_3储层致密成因机理。目的层主要属于压实型成岩改造类型,差异性成岩演化过程是导致储层物性不同和孔隙结构差异的根本原因。
Previous studies considered that Chang 6_3 tight sandstone formation of the Huaqing area in Ordos Basin formed in a delta front and semideep lake stable sedimentary setting.According to the characteristics of diagenetic evolution or the comprehensive geological effects of clastic reservoirs,we established the simulation equation corresponding to the porosity.We applied the casting thin sections and scan electron microscope to describe rock mineral components and porosity types.We used granularity images to show structural characteristics and sorting features of the clastic particles.Based on sedimentary microfacies,well logging,normal physical characteristics and depth analysis we inferred the depositional environment,buried depth and physical characteristics.Simultaneously we used the paleotemperture,vitrinite reflectance,the highest pyrolysis temperature and clay minerals to study the diagenesis,porosity evolution and relatively high permeability formation.In combination with burial history and paleo-geotherm,we studied the formation mechanism of tight sandstone reservoirs.This study suggested that the target layers are attributed to compaction and reform type in diagenesis.Differentiated diagenetic evolution is the root cause that led to different physical properties and porosity structures of the reservoirs.
Previous studies considered that Chang 6_3 tight sandstone formation of the Huaqing area in Ordos Basin formed in a delta front and semideep lake stable sedimentary setting.According to the characteristics of diagenetic evolution or the comprehensive geological effects of clastic reservoirs,we established the simulation equation corresponding to the porosity.We applied the casting thin sections and scan electron microscope to describe rock mineral components and porosity types.We used granularity images to show structural characteristics and sorting features of the clastic particles.Based on sedimentary microfacies,well logging,normal physical characteristics and depth analysis we inferred the depositional environment,buried depth and physical characteristics.Simultaneously we used the paleotemperture,vitrinite reflectance,the highest pyrolysis temperature and clay minerals to study the diagenesis,porosity evolution and relatively high permeability formation.In combination with burial history and paleo-geotherm,we studied the formation mechanism of tight sandstone reservoirs.This study suggested that the target layers are attributed to compaction and reform type in diagenesis.Differentiated diagenetic evolution is the root cause that led to different physical properties and porosity structures of the reservoirs.
引文
Bai Yu-bin,Zhao Jing-zhou,Fang Chao-qiang,Liu Peng.2013.Forming mechanism of quasi-continuous tight sandstone reservoir of Chang 6oil-bearing formation[J].Petroleum Geology&Experiment,(1):65-71(in Chinese with English abstract)
Ehrenberg S N.1989.Assessing the relative importance of compaction processes and cementation to reduction of porosity in sandstones:discussion;compaction and porosity evolution of Pliocene sandstones,Ventura Basin,California:Discussion[J].AAPG Bulletin,73(10):1274-1276
Cook J E,Goodwin L B,Boutt D F.2011.Systematic diagenetic changes in the grain-scale morphology and permeability of a quartz-cemented quartz arenite[J].AAPG Bulletin,95(6):1067-1088
Gao Hui,Li H A.2015.Pore structure characterization,permeability evaluation and enhanced gas recovery techniques of tight gas sandstones[J].Journal of Natural Gas Science&Engineering,(28):536-547
Houseknecht.1987.Assessing the relative importance of compaction processes and cementation to reduction of porosity in sandstones[J].AAPG Bulletin,71(6):633-642
Kong Xiang-chao,Zhao Jun-xing,Shen Zhao-jun.2013.Diagenesis of Chang 81reservoir,Huaqing area,Ordos Basin[J].Natural Gas Exploration and Development,36(1):12-15(in Chinese with English abstract)
Lai Jin,Wang Gui-wen,Chai Yu,Wu Da-cheng,Yao Ya-bin,Zhang Yong-di,Zhang Xiao-tao,Wang Di,Li Mei.2014.Mechanism analysis and quantitative assessment of pore structure for tight sandstone reservoirs:An example from Chang 8 oil layer in the Jiyuan area of Ordos Basin[J].Acta Geologica Sinica,88(11):2119-2130(in Chinese with English abstract)
Liao Ji-jia,Zhu Xiao-min,Deng Xiu-qin,Sun Bo,Hui Xiao.2013.Sedimentary characteristics and model of gravity flow in Triassic Yanchang formation of Longdong area in Ordos Basin[J].Earth Science Frontiers,20(2):29-39(in Chinese with English abstract)
Pan Gao-feng,Liu Zhen,Zhao Shu.2011.Quantitative simulation of sandstone porosity evolution:A case from Yanchang Formation of the Zhenjing area,Ordos basin[J].Acta Perolei Sinica,32(2):249-256(in Chinese with English abstract)
Ren Da-zhong,Sun Wei,Huang Hai,Liu Deng-ke,Qu Xue-feng,Lei Qi-hong.2016.Formation mechanism of Chang 6 tight sandstone reservoir in Jiyuan Oilfield,Ordos basin[J].Earth Science,41(10):1735-1744(in Chinese with English abstract)
Ren Da-zhong.2015.Micro-characteristics of tight sandstone reservoir of Yanchang formation in Ordos Basin[D].Xi’an:Northwest University:84-98(in Chinese with English abstract)
Suredam R C,Crossey L J.Hagen E S,Heasler H P.1989.Organicinorganic and sandstone diagenesis[J].AAPG Bulletin,73(1):1-23
Lichenologist T.2002.LTA volume 45 issue 2 Cover and Front matter[J].AAPG Bulletin,86(12):2047-2067
Wu Xiao-bin,Hou Jia-gen,Sun Wei.2013.Microstructure characteristics and quantitative analysis on porosity evolution of ultra-low sandstone reservoir[J].Journal of Central South University(Science and Technology),42(11):3438-3446(in Chinese with English abstract)
Xi Ke-lai,Cao Ying-chang,Jahren J,Zhu Ru-kai,Bjrlykke K,Haile BG,Zheng Li-jing,Hellevang H.2015.Diagenesis and reservoir quality of the lower cretaceous quantou formation tight sandstones in the southern Songliao Basin,China[J].Sedimentary Geology,(330):90-107
Yang Hua,Fu Jin-hua,He Hai-qing,Liu Xian-yang,Zhang Zhong-yi,Deng Xiu-qin.2012.Formation and distribution of large low-permeability lithologic oil regions in Huaqing,Ordos Basion[J].Petroleuk Exploration and Development,39(6):641-648(in Chinese with English abstract)
Yang Hua,Liu Zi-liang,Zhu Xiao-min,Deng Xiu-qin,Zhang Zhong-yi,Qi Ya-lin.2013.Provenance and depositional systems of the upper Triassic Yanchang Formaton in the southwastern Ordos Basin,China[J].Earth Science Frontiers,20(2):10-18(in Chinese with English abstract)
Yang Hua,Li Shi-xiang,Liu Xian-yang.2013.Chatacteristics and resource prospects of oil and shale oil in Ordos Basin[J].Acta Perolei Sinica,34(1):1-11(in Chinese with English abstract)
Yuan Guang-hui,Gluyas J,Cao Ying-chang,Oxtoby N H,Jia Zhenzhen,Wang Yan-zhong,Xi Ke-lai,Li Xiao-yan.2015.Diagenesis and reservoir quality evolution of the eocene sandstones in the northern Dongying Sag,Bohai Bay Basin,East China[J].Marine&Petroleum Geology,(62):77-89
Zhao Xiao-hui,Wen Cai-xia,Shi Xiao-ying,Liu Xiao-peng,Chen Juanping.2016.Controlling factors of upper Paleozoic clay minerals in the eastern Ordos Basin and its study significane[J].Acta Geologica Sinica,90(3):534-540(in Chinese with English abstract)
Zheng Qing-hua,Liu Yi-qun.2015.The diagenesis and diagenetic lithofacies of tight reservoir of Chang 4+5 member of Yanchang formation in Huaqing area,Ordos Basin[J].Advances in Earth Science,30(5):1000-1012(in Chinese with English abstract)
Zhu Hai-hua,Zhong Da-kang,Yao Jing-li,Niu Xiao-bing,Liang Xiaowei,Zhao Yue.2014.Microscopic characteristics and formation mechanism of upper Triassic Chang 7 tight oil reservoir in the southwest Ordos Basin[J].Journal of China University of Mining&Technology,43(5):853-863(in Chinese with English abstract)
Zhu Xiao-min.2009.Sedimentary petrology[M].Beijing:Petroleum Industry Press:137-151(in Chinese)
Zhu Xiao-min,Deng Xiu-qin,Liu Zi-liang.2013.Sedimentaty characteristics and model of shallow braided delta in large-scale lacustrine:An example from Triassic Yanchang formation in Ordos Basin[J].Earth Science Frontiers,20(2):19-28(in Chinese with English abstract)
Zou Cai-neng.2011.Unconventional petroleum geology[M].Beijing:Geological Publishing House:103-114(in Chinese)
Zou Cai-neng,Yang Zhi,Zhu Ru-kai,Zhang Guo-sheng,Hou Lian-hua,Wu Song-tao,Tao Shi-zhen,Yuan Xuan-jun,Dong Da-zhong,Wang Yu-man,Wang Lan,Huang Jin-liang,Wang Shu-fen.2015.Progress in China’s unconventional oil&gas exploration and development and theoretical technologies[J].Acta Geologica Sinica,89(6):979-1007(in Chinese with English abstract)
白玉彬,赵靖舟,方朝强,刘鹏.2013.鄂尔多斯盆地长6油层组准连续型致密砂岩油藏形成机理[J].石油实验地质,(1):65-71
孔祥超,赵俊兴,申赵军.2013.鄂尔多斯盆地华庆地区长81成岩作用特征研究[J].天然气勘探与开发,36(1):12-15
赖锦,王贵文,柴毓,吴大成,姚亚斌,张永迪,张晓涛,王迪,李梅.2014.致密砂岩储层孔隙结构成因机理分析及定量评价---以鄂尔多斯盆地姬塬地区长8油层组为例[J].地质学报,88(11):2119-2130
廖纪佳,朱筱敏,邓秀芹,孙勃,惠潇.2013.鄂尔多斯盆地陇东地区延长组重力流沉积特征及其模式[J].地学前缘,20(2):29-39
潘高峰,刘震,赵舒.2011.砂岩孔隙度演化定量模拟方法-以鄂尔多斯盆地镇泾地区延长组为例[J].石油学报,32(2):249-256
任大忠.2015.鄂尔多斯盆地延长组致密砂岩储层微观特征[D].西安:西北大学:84-98
任大忠,孙卫,黄海,刘登科,屈雪峰,雷启鸿.2016.鄂尔多斯盆地姬塬油田长6致密砂岩储层成因机理[J].地球科学,41(10):1735-1744
吴小斌,侯加根,孙卫.2013.特低渗砂岩储层微观结构及孔隙演化定量分析[J].中南大学学报:自然科学版,42(11):3438-3446
杨华,付金华,何海清,刘显阳,张忠义,邓秀芹.2012.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,39(6):641-648
杨华,刘自亮,朱筱敏,邓秀芹,张忠义,齐亚林.2013.鄂尔多斯盆地西南缘上三叠统延长组物源与沉积体系特征[J].地学前缘,20(2):10-18
杨华,李士祥,刘显阳.2013.鄂尔多斯盆地致密油、页岩油特征及资源潜力[J].石油学报,34(1):1-11
赵小会,文彩霞,石晓英,刘晓鹏,陈娟萍.2016.鄂尔多斯盆地东部上古生界黏土矿物主控因素分析及研究意义[J].地质学报,90(3):534-540
郑庆华,柳益群.2015.鄂尔多斯盆地华庆地区延长组长4+5致密油层成岩作用及成岩相[J].地球科学进展,30(5):1000-1012
祝海华,钟大康,姚泾利,牛小兵,梁晓伟,赵岳.2014.鄂尔多斯西南地区长7段致密油储层微观特征及成因机理[J].中国矿业大学学报,43(5):853-863
朱筱敏.2009.沉积岩石学[M].北京:石油工业出版社:137-151
朱筱敏,邓秀芹,刘自亮.2013.大型坳陷湖盆浅水辫状河三角洲沉积特征及模式\以鄂尔多斯盆地陇东地区延长组为例[J].地学前缘,20(2):19-28
邹才能.2011.非常规油气地质[M].北京:地质出版社:103-114
邹才能,杨智,朱如凯,张国生,侯连华,吴松涛,陶士振,袁选俊,董大忠,王玉满,王岚,黄金亮,王淑芳.2015.中国非常规油气勘探开发与理论技术进展[J].地质学报,89(6):979-1007
Ehrenberg S N.1989.Assessing the relative importance of compaction processes and cementation to reduction of porosity in sandstones:discussion;compaction and porosity evolution of Pliocene sandstones,Ventura Basin,California:Discussion[J].AAPG Bulletin,73(10):1274-1276
Cook J E,Goodwin L B,Boutt D F.2011.Systematic diagenetic changes in the grain-scale morphology and permeability of a quartz-cemented quartz arenite[J].AAPG Bulletin,95(6):1067-1088
Gao Hui,Li H A.2015.Pore structure characterization,permeability evaluation and enhanced gas recovery techniques of tight gas sandstones[J].Journal of Natural Gas Science&Engineering,(28):536-547
Houseknecht.1987.Assessing the relative importance of compaction processes and cementation to reduction of porosity in sandstones[J].AAPG Bulletin,71(6):633-642
Kong Xiang-chao,Zhao Jun-xing,Shen Zhao-jun.2013.Diagenesis of Chang 81reservoir,Huaqing area,Ordos Basin[J].Natural Gas Exploration and Development,36(1):12-15(in Chinese with English abstract)
Lai Jin,Wang Gui-wen,Chai Yu,Wu Da-cheng,Yao Ya-bin,Zhang Yong-di,Zhang Xiao-tao,Wang Di,Li Mei.2014.Mechanism analysis and quantitative assessment of pore structure for tight sandstone reservoirs:An example from Chang 8 oil layer in the Jiyuan area of Ordos Basin[J].Acta Geologica Sinica,88(11):2119-2130(in Chinese with English abstract)
Liao Ji-jia,Zhu Xiao-min,Deng Xiu-qin,Sun Bo,Hui Xiao.2013.Sedimentary characteristics and model of gravity flow in Triassic Yanchang formation of Longdong area in Ordos Basin[J].Earth Science Frontiers,20(2):29-39(in Chinese with English abstract)
Pan Gao-feng,Liu Zhen,Zhao Shu.2011.Quantitative simulation of sandstone porosity evolution:A case from Yanchang Formation of the Zhenjing area,Ordos basin[J].Acta Perolei Sinica,32(2):249-256(in Chinese with English abstract)
Ren Da-zhong,Sun Wei,Huang Hai,Liu Deng-ke,Qu Xue-feng,Lei Qi-hong.2016.Formation mechanism of Chang 6 tight sandstone reservoir in Jiyuan Oilfield,Ordos basin[J].Earth Science,41(10):1735-1744(in Chinese with English abstract)
Ren Da-zhong.2015.Micro-characteristics of tight sandstone reservoir of Yanchang formation in Ordos Basin[D].Xi’an:Northwest University:84-98(in Chinese with English abstract)
Suredam R C,Crossey L J.Hagen E S,Heasler H P.1989.Organicinorganic and sandstone diagenesis[J].AAPG Bulletin,73(1):1-23
Lichenologist T.2002.LTA volume 45 issue 2 Cover and Front matter[J].AAPG Bulletin,86(12):2047-2067
Wu Xiao-bin,Hou Jia-gen,Sun Wei.2013.Microstructure characteristics and quantitative analysis on porosity evolution of ultra-low sandstone reservoir[J].Journal of Central South University(Science and Technology),42(11):3438-3446(in Chinese with English abstract)
Xi Ke-lai,Cao Ying-chang,Jahren J,Zhu Ru-kai,Bjrlykke K,Haile BG,Zheng Li-jing,Hellevang H.2015.Diagenesis and reservoir quality of the lower cretaceous quantou formation tight sandstones in the southern Songliao Basin,China[J].Sedimentary Geology,(330):90-107
Yang Hua,Fu Jin-hua,He Hai-qing,Liu Xian-yang,Zhang Zhong-yi,Deng Xiu-qin.2012.Formation and distribution of large low-permeability lithologic oil regions in Huaqing,Ordos Basion[J].Petroleuk Exploration and Development,39(6):641-648(in Chinese with English abstract)
Yang Hua,Liu Zi-liang,Zhu Xiao-min,Deng Xiu-qin,Zhang Zhong-yi,Qi Ya-lin.2013.Provenance and depositional systems of the upper Triassic Yanchang Formaton in the southwastern Ordos Basin,China[J].Earth Science Frontiers,20(2):10-18(in Chinese with English abstract)
Yang Hua,Li Shi-xiang,Liu Xian-yang.2013.Chatacteristics and resource prospects of oil and shale oil in Ordos Basin[J].Acta Perolei Sinica,34(1):1-11(in Chinese with English abstract)
Yuan Guang-hui,Gluyas J,Cao Ying-chang,Oxtoby N H,Jia Zhenzhen,Wang Yan-zhong,Xi Ke-lai,Li Xiao-yan.2015.Diagenesis and reservoir quality evolution of the eocene sandstones in the northern Dongying Sag,Bohai Bay Basin,East China[J].Marine&Petroleum Geology,(62):77-89
Zhao Xiao-hui,Wen Cai-xia,Shi Xiao-ying,Liu Xiao-peng,Chen Juanping.2016.Controlling factors of upper Paleozoic clay minerals in the eastern Ordos Basin and its study significane[J].Acta Geologica Sinica,90(3):534-540(in Chinese with English abstract)
Zheng Qing-hua,Liu Yi-qun.2015.The diagenesis and diagenetic lithofacies of tight reservoir of Chang 4+5 member of Yanchang formation in Huaqing area,Ordos Basin[J].Advances in Earth Science,30(5):1000-1012(in Chinese with English abstract)
Zhu Hai-hua,Zhong Da-kang,Yao Jing-li,Niu Xiao-bing,Liang Xiaowei,Zhao Yue.2014.Microscopic characteristics and formation mechanism of upper Triassic Chang 7 tight oil reservoir in the southwest Ordos Basin[J].Journal of China University of Mining&Technology,43(5):853-863(in Chinese with English abstract)
Zhu Xiao-min.2009.Sedimentary petrology[M].Beijing:Petroleum Industry Press:137-151(in Chinese)
Zhu Xiao-min,Deng Xiu-qin,Liu Zi-liang.2013.Sedimentaty characteristics and model of shallow braided delta in large-scale lacustrine:An example from Triassic Yanchang formation in Ordos Basin[J].Earth Science Frontiers,20(2):19-28(in Chinese with English abstract)
Zou Cai-neng.2011.Unconventional petroleum geology[M].Beijing:Geological Publishing House:103-114(in Chinese)
Zou Cai-neng,Yang Zhi,Zhu Ru-kai,Zhang Guo-sheng,Hou Lian-hua,Wu Song-tao,Tao Shi-zhen,Yuan Xuan-jun,Dong Da-zhong,Wang Yu-man,Wang Lan,Huang Jin-liang,Wang Shu-fen.2015.Progress in China’s unconventional oil&gas exploration and development and theoretical technologies[J].Acta Geologica Sinica,89(6):979-1007(in Chinese with English abstract)
白玉彬,赵靖舟,方朝强,刘鹏.2013.鄂尔多斯盆地长6油层组准连续型致密砂岩油藏形成机理[J].石油实验地质,(1):65-71
孔祥超,赵俊兴,申赵军.2013.鄂尔多斯盆地华庆地区长81成岩作用特征研究[J].天然气勘探与开发,36(1):12-15
赖锦,王贵文,柴毓,吴大成,姚亚斌,张永迪,张晓涛,王迪,李梅.2014.致密砂岩储层孔隙结构成因机理分析及定量评价---以鄂尔多斯盆地姬塬地区长8油层组为例[J].地质学报,88(11):2119-2130
廖纪佳,朱筱敏,邓秀芹,孙勃,惠潇.2013.鄂尔多斯盆地陇东地区延长组重力流沉积特征及其模式[J].地学前缘,20(2):29-39
潘高峰,刘震,赵舒.2011.砂岩孔隙度演化定量模拟方法-以鄂尔多斯盆地镇泾地区延长组为例[J].石油学报,32(2):249-256
任大忠.2015.鄂尔多斯盆地延长组致密砂岩储层微观特征[D].西安:西北大学:84-98
任大忠,孙卫,黄海,刘登科,屈雪峰,雷启鸿.2016.鄂尔多斯盆地姬塬油田长6致密砂岩储层成因机理[J].地球科学,41(10):1735-1744
吴小斌,侯加根,孙卫.2013.特低渗砂岩储层微观结构及孔隙演化定量分析[J].中南大学学报:自然科学版,42(11):3438-3446
杨华,付金华,何海清,刘显阳,张忠义,邓秀芹.2012.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,39(6):641-648
杨华,刘自亮,朱筱敏,邓秀芹,张忠义,齐亚林.2013.鄂尔多斯盆地西南缘上三叠统延长组物源与沉积体系特征[J].地学前缘,20(2):10-18
杨华,李士祥,刘显阳.2013.鄂尔多斯盆地致密油、页岩油特征及资源潜力[J].石油学报,34(1):1-11
赵小会,文彩霞,石晓英,刘晓鹏,陈娟萍.2016.鄂尔多斯盆地东部上古生界黏土矿物主控因素分析及研究意义[J].地质学报,90(3):534-540
郑庆华,柳益群.2015.鄂尔多斯盆地华庆地区延长组长4+5致密油层成岩作用及成岩相[J].地球科学进展,30(5):1000-1012
祝海华,钟大康,姚泾利,牛小兵,梁晓伟,赵岳.2014.鄂尔多斯西南地区长7段致密油储层微观特征及成因机理[J].中国矿业大学学报,43(5):853-863
朱筱敏.2009.沉积岩石学[M].北京:石油工业出版社:137-151
朱筱敏,邓秀芹,刘自亮.2013.大型坳陷湖盆浅水辫状河三角洲沉积特征及模式\以鄂尔多斯盆地陇东地区延长组为例[J].地学前缘,20(2):19-28
邹才能.2011.非常规油气地质[M].北京:地质出版社:103-114
邹才能,杨智,朱如凯,张国生,侯连华,吴松涛,陶士振,袁选俊,董大忠,王玉满,王岚,黄金亮,王淑芳.2015.中国非常规油气勘探开发与理论技术进展[J].地质学报,89(6):979-1007