南华北盆地中二叠统“石盒子组”岩相古地理及储、盖特征研究
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摘要
以南华北盆地野外剖面、钻井及钻孔为研究对象,在地层划分、对比的基础上,将南华北盆地"石盒子组"划分为三角洲和潟湖沉积相,其中三角洲可进一步识别出三角洲平原、三角洲前缘亚相及众多微相。在单井及井间沉积相对比研究基础上,结合地震剖面对比,对南华北盆地上、下石盒子组岩相古地理平面分布及垂向演化特征进行了详细研究,结果表明:在上、下石盒子组沉积期由北至南均具有三角洲平原—三角洲前缘—潟湖的相带展布特征,在沉积演化过程中,不同时期古地理特征既有继承性又有差异性。在上述研究基础上,综合各类测试分析,对南华北盆地"石盒子组"储层及盖层发育特征进行了研究。储层由分流河道、水下分流河道和河口坝砂体组成,具有原生粒间孔、粒间溶孔及粒内溶孔的储集空间,且上石盒子组砂体无论从砂体厚度,还是储集性均优于下石盒子组砂体。"石盒子组"为泥岩盖层。这一盖层为承受大压力、渗透率低,油气封闭性好,且单层厚度大,横向分布稳定的区域性盖层。上述研究成果为南华北盆地储层分布规律研究和油气预测提供了重要的基础地质资料。
Based on stratigraphic division and stratigraphic correlation,the division plan of sedimentary facies of southern North China Basin was determined through detailed analysis to field profiles,well and borehole.Middle Permian Shihezi formation in southern North China Basin can be classified into delta facies and lagoonal facies.Thereinto,two forms sedimentary subfacies that are delta plain,delta front and many microfacies are identified from delta facies.Combining with regional seismic profiles,the paper makes thorough study on single well and interwell,then carries on detailed research to the plane distribution and vertical evolution characteristics of lithofacies palaeogeography characteristics of Middle Permian Shihezi formation in southern North China Basin.From the north to the south,the sedimentary facies plane distribution expressed as delta plain-delta front-lagoonal facies during the deposition of the upper and lower Shihezi formation,moreover the paleogeographic features in various phases has both succession and discrepancy.Finally,a research about lithofacies palaeogeography and reservoir,cap rock characteristics of Shihezi formation in southern North China Basin was operated on the basis of research result stated above and synthetical analysis data.The distributary channel,submarine distributary channel and river mouth bars are best reservoir of the study area.The reservoir pore space consists of primary intergranular pore,intergranular dissolved pore,intragranular dissolved pore,moreover the reservoir space of Upper Shihezi formation is superior compared with that of Lower Shihezi formation.As the stable distributed regional mudstone cap,Shihezi formation has the following key features,such as difficult to break through,low permeability,good sealing property of oil and gas,great thickness and distributing stabilization in landscape orientation.The research result about sedimentary facies and oil-gas geological characteristics we have reached wil provide a significant reliable geological data for the distribution regularity of favorable reservoir and oil-gas prediction of southern North China Basin.
Based on stratigraphic division and stratigraphic correlation,the division plan of sedimentary facies of southern North China Basin was determined through detailed analysis to field profiles,well and borehole.Middle Permian Shihezi formation in southern North China Basin can be classified into delta facies and lagoonal facies.Thereinto,two forms sedimentary subfacies that are delta plain,delta front and many microfacies are identified from delta facies.Combining with regional seismic profiles,the paper makes thorough study on single well and interwell,then carries on detailed research to the plane distribution and vertical evolution characteristics of lithofacies palaeogeography characteristics of Middle Permian Shihezi formation in southern North China Basin.From the north to the south,the sedimentary facies plane distribution expressed as delta plain-delta front-lagoonal facies during the deposition of the upper and lower Shihezi formation,moreover the paleogeographic features in various phases has both succession and discrepancy.Finally,a research about lithofacies palaeogeography and reservoir,cap rock characteristics of Shihezi formation in southern North China Basin was operated on the basis of research result stated above and synthetical analysis data.The distributary channel,submarine distributary channel and river mouth bars are best reservoir of the study area.The reservoir pore space consists of primary intergranular pore,intergranular dissolved pore,intragranular dissolved pore,moreover the reservoir space of Upper Shihezi formation is superior compared with that of Lower Shihezi formation.As the stable distributed regional mudstone cap,Shihezi formation has the following key features,such as difficult to break through,low permeability,good sealing property of oil and gas,great thickness and distributing stabilization in landscape orientation.The research result about sedimentary facies and oil-gas geological characteristics we have reached wil provide a significant reliable geological data for the distribution regularity of favorable reservoir and oil-gas prediction of southern North China Basin.
引文
陈安清,陈洪德,向芳,侯中健,林良彪,徐胜林.2010.鄂尔多斯盆地东北部山西组-上石盒子组三角洲沉积及演化,地层学杂志,34(1):97-105
窦伟坦,侯明才,董桂玉.2009.鄂尔多斯盆地北部山西组-下石盒子组物源分析.天然气工业,29(3):25-28
付锁堂,田景春,陈洪德,侯中健,张锦泉,刘文均,杨华,付金华,范正平,石晓英.2003.鄂尔多斯盆地晚古生代三角洲沉积体系平面展布特征.成都理工大学学报(自然科学版),30(3):236-241
河南煤田地质公司.1991.河南省晚古生代聚煤规律.武汉:中国地质大学出版社.1-111
胡斌,吴海东,刘顺喜,宋慧波;郑德顺.2010.豫西下冶地区上、下石盒子组三角洲旋回沉积与演化特征,中国煤炭地质,22(1):1-5
金玉玗,尚庆华,曹长群.2000.二叠纪地质研究述评.地层学杂志,24(2):99-108
刘宝珺.1990.岩相古地理基础和工作方法.北京:地质出版社.1-425
陶明华,赵力民,陶亮.2005.泛华北区石炭系、二叠系内部的重要地质演化转折,地层学杂志,29(增刊):534-540
徐汉林,赵宗举,杨以宁,汤祖伟.2003.南华北盆地构造格局及构造样式.地球学报,24(1):27-33
杨起.1987.河南禹县晚古生代煤系沉积环境与聚煤特征.北京:地质出版社:263-271
曾允孚,夏文杰.1986.沉积岩石学.北京:地质出版社.1-274
Chen An-qing,Chen Hong-de,Xiang Fang,Hou Zhong-jian,Lin Li-ang-biao&Xu Sheng-lin.2010.Delta deposits in the Shanxiand Shangshihezi formations in the northeastern Ordos Basin.Journal of Stratigraphy,34(1):97-105
Coal Company of Henan Province.1991.Coal accumulation of LatePaleozoic in Henan.Wuhan:China Geoscience UniversityPress.1-111
Dou Wei-tan,Hou Ming-cai&Dong Gui-yu.2009.Provenance a-nalysis of the Upper Paleozoic Shanxi to Lower Shihezi forma-tions in north Ordos Basin.Natural Gas Industry,29(3):25-28
Fu Suo-tang,Tian Jing-chun,Chen Hong-de,Hou Zhong-jian,Zhang Jin-quan,Liu Wen-jun,Yang Hua,Fu Jin-hua,FanZheng-ping&Shi Xiao-ying.2003.The delta depositional sys-temdistribution of Late Paleozoic Era in Ordos Basin.Journalof Chengdu University of Technology(Science&TechnologyEdition),30(3):236-241
Hu Bin,Wu Hai-dong,Liu Shun-xi,Song Hui-bo&Zheng De-shun.2010.Upper and Lower Shihezi formations deltaic cyclicsedimentation and evolutional characteristics in Xiaye Area,western Henan.Coal Geology of China,22(1):1-5
Jin Yu-gan,Shang Qing-hua&Cao Chang-qun.2000.Areview ofPermian stratigraphy.Journal of Stratigraphy,24(2):99-108
Liu Bao-jun.1990.The foundation and working methods of lithofa-cies palaeogeography.Beijing:Geological Publishing House:1-425
Tao Ming-hua,Zhao Li-min&Tao Liang.2005.The important in-flections of the geological process in the Carboniferous and Per-mian systems of the pan-North China region.Journal of Stra-tigraphy,29(Sup.):534-540
Xu Han-lin,Zhao Zong-ju,Yang Yi-ning&Tang Zu-we.2003.Structural pattern and structural style of the Southern NorthChina Basin.Acta Geoscientia Sinica,24(1):27-33
Yang Qi.1987.Late Paleozoic coal-bearing sedimentary environ-ments and coal characteristicsin Yuxian County of Henan Prov-ince.Beijing:Geological Publishing House.263-271
Zeng Yun-fu&Xia Wen-jie.1986.Sedimentary petrology.Beijing:Geological Publishing House.1-274
②周丽.2005.南华北盆地晚石炭世—中二叠世构造沉积演化与烃源岩评价[硕士学位论文].西安:西北大学.
③王惠勇.2006.豫西洛阳—伊川地区晚古生代、早中生代沉积体系与岩相古地理恢复[硕士学位论文].青岛.山东科技大学.
窦伟坦,侯明才,董桂玉.2009.鄂尔多斯盆地北部山西组-下石盒子组物源分析.天然气工业,29(3):25-28
付锁堂,田景春,陈洪德,侯中健,张锦泉,刘文均,杨华,付金华,范正平,石晓英.2003.鄂尔多斯盆地晚古生代三角洲沉积体系平面展布特征.成都理工大学学报(自然科学版),30(3):236-241
河南煤田地质公司.1991.河南省晚古生代聚煤规律.武汉:中国地质大学出版社.1-111
胡斌,吴海东,刘顺喜,宋慧波;郑德顺.2010.豫西下冶地区上、下石盒子组三角洲旋回沉积与演化特征,中国煤炭地质,22(1):1-5
金玉玗,尚庆华,曹长群.2000.二叠纪地质研究述评.地层学杂志,24(2):99-108
刘宝珺.1990.岩相古地理基础和工作方法.北京:地质出版社.1-425
陶明华,赵力民,陶亮.2005.泛华北区石炭系、二叠系内部的重要地质演化转折,地层学杂志,29(增刊):534-540
徐汉林,赵宗举,杨以宁,汤祖伟.2003.南华北盆地构造格局及构造样式.地球学报,24(1):27-33
杨起.1987.河南禹县晚古生代煤系沉积环境与聚煤特征.北京:地质出版社:263-271
曾允孚,夏文杰.1986.沉积岩石学.北京:地质出版社.1-274
Chen An-qing,Chen Hong-de,Xiang Fang,Hou Zhong-jian,Lin Li-ang-biao&Xu Sheng-lin.2010.Delta deposits in the Shanxiand Shangshihezi formations in the northeastern Ordos Basin.Journal of Stratigraphy,34(1):97-105
Coal Company of Henan Province.1991.Coal accumulation of LatePaleozoic in Henan.Wuhan:China Geoscience UniversityPress.1-111
Dou Wei-tan,Hou Ming-cai&Dong Gui-yu.2009.Provenance a-nalysis of the Upper Paleozoic Shanxi to Lower Shihezi forma-tions in north Ordos Basin.Natural Gas Industry,29(3):25-28
Fu Suo-tang,Tian Jing-chun,Chen Hong-de,Hou Zhong-jian,Zhang Jin-quan,Liu Wen-jun,Yang Hua,Fu Jin-hua,FanZheng-ping&Shi Xiao-ying.2003.The delta depositional sys-temdistribution of Late Paleozoic Era in Ordos Basin.Journalof Chengdu University of Technology(Science&TechnologyEdition),30(3):236-241
Hu Bin,Wu Hai-dong,Liu Shun-xi,Song Hui-bo&Zheng De-shun.2010.Upper and Lower Shihezi formations deltaic cyclicsedimentation and evolutional characteristics in Xiaye Area,western Henan.Coal Geology of China,22(1):1-5
Jin Yu-gan,Shang Qing-hua&Cao Chang-qun.2000.Areview ofPermian stratigraphy.Journal of Stratigraphy,24(2):99-108
Liu Bao-jun.1990.The foundation and working methods of lithofa-cies palaeogeography.Beijing:Geological Publishing House:1-425
Tao Ming-hua,Zhao Li-min&Tao Liang.2005.The important in-flections of the geological process in the Carboniferous and Per-mian systems of the pan-North China region.Journal of Stra-tigraphy,29(Sup.):534-540
Xu Han-lin,Zhao Zong-ju,Yang Yi-ning&Tang Zu-we.2003.Structural pattern and structural style of the Southern NorthChina Basin.Acta Geoscientia Sinica,24(1):27-33
Yang Qi.1987.Late Paleozoic coal-bearing sedimentary environ-ments and coal characteristicsin Yuxian County of Henan Prov-ince.Beijing:Geological Publishing House.263-271
Zeng Yun-fu&Xia Wen-jie.1986.Sedimentary petrology.Beijing:Geological Publishing House.1-274
②周丽.2005.南华北盆地晚石炭世—中二叠世构造沉积演化与烃源岩评价[硕士学位论文].西安:西北大学.
③王惠勇.2006.豫西洛阳—伊川地区晚古生代、早中生代沉积体系与岩相古地理恢复[硕士学位论文].青岛.山东科技大学.
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