塔中北斜坡中-下奥陶统碳酸盐岩沉积储层特征及地质模式
摘要
基于大量钻井取心及岩心薄片观察,成像测井、录井等资料分析及三维地震资料解释,在厘定塔里木盆地塔中北斜坡中-下奥陶统鹰山组和蓬莱坝组地震层序格架基础上,对其进行沉积古地貌恢复及储层研究,进而建立了相应的台地演化模式、储层演化模式及地质模式。该区蓬莱坝组沉积期为缓坡台地沉积模式,鹰山组沉积期为弱镶边台地沉积模式;其储层发育受沉积控制作用较强,与三级或四级层序界面暴露溶蚀及埋藏流体溶蚀关系密切,呈现准层状和孔洞型储层发育、沉积地貌分异小等特点;蓬莱坝组层(块)状白云岩是下步重要的勘探领域。
With a lot of drilling coring and core thin section observations,imaging logging and logging data,as well as 3D seismic data interpretation and on the basis of determining the seismic sequence stratigraphic framework of Yingshan Formation and Penglaiba Formation in the Mid-Lower Ordovician in Tanzhong northern slope of Tarim Basin,we conduct sedimentary paleogeomorphology restoration and reservoir research to further establish corresponding platform evolution model,reservoir evolution model and geological model.Penglaiba depositional period in the region is of gentle slope platform deposition model and Yingshan depositional period is of weak rimmed platform deposition model;reservoir development is under strong control of sedimentation,which is closely related to level 3 or level 4 sequence boundary exposure and corrosion as well as burial fluid corrosion and features quasi-layered and pored reservoir development,small depositional landform differentiation;the laminated or block dolomite reservoir in Penglaiba Formation will be the important exploration area in the next step.
With a lot of drilling coring and core thin section observations,imaging logging and logging data,as well as 3D seismic data interpretation and on the basis of determining the seismic sequence stratigraphic framework of Yingshan Formation and Penglaiba Formation in the Mid-Lower Ordovician in Tanzhong northern slope of Tarim Basin,we conduct sedimentary paleogeomorphology restoration and reservoir research to further establish corresponding platform evolution model,reservoir evolution model and geological model.Penglaiba depositional period in the region is of gentle slope platform deposition model and Yingshan depositional period is of weak rimmed platform deposition model;reservoir development is under strong control of sedimentation,which is closely related to level 3 or level 4 sequence boundary exposure and corrosion as well as burial fluid corrosion and features quasi-layered and pored reservoir development,small depositional landform differentiation;the laminated or block dolomite reservoir in Penglaiba Formation will be the important exploration area in the next step.
引文
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[15]赵宗举,罗家洪,张运波,等.塔里木盆地寒武纪层序岩相古地理[J].石油学报,2011,32(6):937-948.Zhao Zongju,Luo Jiahong,Zhang Yunbo,et al.Lithofacies paleo-geography of Cambrian sequences in the Tarim Basin[J].ActaPetrolei Sinica,2011,32(6):937-948.
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[18]赵宗举,贾承造,周新源,等.塔里木盆地塔中地区奥陶系油气成藏主控因素及勘探选区[J].中国石油勘探,2006,11(4):6-15.Zhao Zongju,Jia Chengzao,Zhou Xinyuan,et al.Key factors ofoil-gas reservoir-forming and exploration targets in Ordovician inTazhong area,Tarim Basin[J].China Petroleum Exploration,2006,11(4):6-15.
[19]陈景山,李忠,王振宇,等.塔里木盆地奥陶系碳酸盐岩古岩溶作用与储层分布[J].沉积学报,2007,25(6):858-868.Chen Jingshan,Li Zhong,Wang Zhenyu,et al.Paleokarstificationand reservoir distribution of Ordovician carbonates in Tarim Ba-sin[J].Acta Sedimentologica Sinica,2007,25(6):858-868.
[20]洪余刚,陈景山,代宗仰,等.古地貌恢复在风化壳岩溶型储层研究中的应用——以川中—川南过渡带奥陶系为例[J].大庆石油地质与开发,2007,26(1):1-5.Hong Yugang,Chen Jingshan,Dai Zongyang,et al.The applica-tion of ancient geomorphy recovery to the study on the palae-oweathering crust-type karst reservoir[J].Petroleum Geology&Oilfield Development in Daqing,2007,26(1):1-5.
[21]Moore C H.Carbonate reservoirs:porosity evolution and diagen-esis in a sequence stratigraphic framework[M].Amsterdam:Els-vier,2011:1-16.
[22]钱一雄,尤东华.塔中地区西北部奥陶系白云岩(化)成因分析[J].新疆石油地质,2006,27(2):146-150.Qian Yixiong,You Donghua.An analysis of Ordovician dolomiti-sation origin in northwestern Tazhong area[J].Xinjiang Petrole-um Geology,2006,27(2):146-150.
[23]苗继军.塔中低凸起构造演化与奥陶系油气成藏研究[R].北京:中国石油大学,2007:17-49.Miao Jijun.Ordovician reservoir formation and structural evolu-tion in the Central Tarim Uplift[R].Beijing:China University ofPetroleum,2007:17-49.
[24]倪新锋,杨海军,沈安江,等.塔北地区奥陶系灰岩段裂缝特征及其对岩溶储层的控制[J].石油学报,2010,31(6):933-940.Ni Xinfeng,Yang Haijun,Shen Anjiang,et al.Characteristics ofOrdovician limestone fractures in the northern Tarim Basin andtheir controlling effects on karst reservoirs[J].Acta Petrolei Sin-ica,2010,31(6):933-940.
[2]贾承造,魏国齐,姚慧君,等.盆地构造演化与区域构造地质[M].北京:石油工业出版社,1995:1-174.Jia Chengzao,Wei Guoqi,Yao Huijun,et al.Basin tectonic evolu-tion and regional structure geology[M].Beijing:Petroleum In-dustry Press,1995:1-174.
[3]金之钧.中国海相碳酸盐岩层系油气勘探特殊性问题[J].地学前缘,2005,12(3):15-23.Jin Zhijun.Particularity of petroleum exploration on marine car-bonate strata in China sedimentary basins[J].Earth ScienceFrontiers,2005,12(3):15-23.
[4]汤良杰,吕修祥,金之钧,等.中国海相碳酸盐岩层系油气地质特点、战略选区思考及需要解决的主要地质问题[J].地质通报,2006,25(Z2):1032-1035.Tang Liangjie,LüXiuxiang,Jin Zhijun,et al.Petroleum geolog-ical characteristics,strategic exploration area selection and urgentgeological problems of marine carbonate sequences in China[J].Geological Bulletin of China,2006,25(Z2):1032-1035.
[5]杨海军,邬光辉,韩剑发,等.塔里木盆地中央隆起带奥陶系碳酸盐岩台缘带油气富集特征[J].石油学报,2007,28(4):26-30.Yang Haijun,Wu Guanghui,Han Jianfa,et al.Characteristics ofhydrocarbon enrichment along the Ordovician carbonate platformmargin in the central uplift of Tarim Basin[J].Acta Petrolei Sini-ca,2007,28(4):26-30.
[6]杨海军,韩剑发,孙崇浩,等.塔中北斜坡奥陶系鹰山组岩溶型储层发育模式与油气勘探[J].石油学报,2011,32(2):199-205.Yang Haijun,Han Jianfa,Sun Chonghao,et al.A developmentmodel and petroleum exploration of karst reservoirs of Ordovi-cian Yingshan Formation in the northern slope of Tazhong palae-ouplift[J].Acta Petrolei Sinica,2011,32(2):199-205.
[7]王振宇,张云峰,杨红强,等.塔里木板块塔中83井—16井区上奥陶统礁滩复合体储层结构[J].高校地质学报,2011,17(4):577-585.Wang Zhenyu,Zhang Yunfeng,Yang Hongqiang,et al.Reserviorstructures of the Upper Ordovician reef complexes in Tazhong83-16Well Area,Tarim Block[J].Geological Journal of China U-niversities,2011,17(4):577-585.
[8]郑和荣,刘春燕,吴茂炳,等.塔里木盆地奥陶系颗粒石灰岩埋藏溶蚀作用[J].石油学报,2009,30(1):9-15.Zheng Herong,Liu Chunyan,Wu Maobing,et al.Burial dissolu-tion of Ordovician granule limestone in Tarim Basin[J].Acta Pe-trolei Sinica,2009,30(1):9-15.
[9]张云峰,张海祖,孙崇浩,等.塔中地区礁滩体风化壳岩溶及其对储集层的影响[J].新疆石油地质,2011,32(3):253-256.Zhang Yunfeng,Zhang Haizu,Sun Chonghao,et al.The reef-flatweathering crust karst and its effect on reservoirs in Tazhong ar-ea,Tarim Basin[J].Xinjiang Petroleum Geology,2011,32(3):253-256.
[10]庞雄奇,周新源,李卓,等.塔里木盆地塔中古隆起控油气模式与有利区预测[J].石油学报,2011,32(2):189-198.Pang Xiongqi,Zhou Xinyuan,Li Zhuo,et al.A model for control-ling hydrocarbon and predicting favorable exploration zones ofthe Tazhong palaeouplift in Tarim Basin,NW China[J].Acta Pe-trolei Sinica,2011,32(2):189-198.
[11]潘文庆,刘永福,Dickson J A D,等.塔里木盆地下古生界碳酸盐岩热液岩溶的特征及地质模型[J].沉积学报,2009,27(5):984-995.Pan Wenqing,Liu Yongfu,Dickson J A D,et al.The geologicalmodel of hydrothermal activity in outcrop and the characteristicsof carbonate hydrothermal karst of Lower Paleozoic in Tarim Ba-sin[J].Acta Sedimentologica Sinica,2009,27(5):984-995.
[12]马红强,王恕一,雍洪,等.塔里木盆地塔中地区奥陶系碳酸盐岩埋藏溶蚀特征[J].石油实验地质,2010,32(5):434-441.Ma Hongqiang,Wang Shuyi,Yong Hong,et al.Burial karst charac-teristics of Ordovician carbonate reservoirs in Central Tarim Basin[J].Petroleum Geology&Experiment,2010,32(5):434-441.
[13]潘文庆,王招明,孙崇浩,等.塔里木盆地下古生界碳酸盐岩层序界面类型划分及其意义[J].石油与天然气地质,2011,32(4):531-541.Pan Wenqing,Wang Zhaoming,Sun Chonghao,et al.Classifica-tions of sequence boundaries in the Lower Paleozoie carbonatesin Tarim Basin and their significances[J].Oil&Gas Geology,2011,32(4):531-541.
[14]赵宗举,吴兴宁,潘文庆,等.塔里木盆地奥陶纪层序岩相古地理[J].沉积学报,2009,27(5):939-955.Zhao Zongju,Wu Xingning,Pan Wenqing,et al.Sequence lithofa-cies paleogeography of Ordovician in Tarim Basin[J].Acta Sedi-mentologica Sinica,2009,27(5):939-955.
[15]赵宗举,罗家洪,张运波,等.塔里木盆地寒武纪层序岩相古地理[J].石油学报,2011,32(6):937-948.Zhao Zongju,Luo Jiahong,Zhang Yunbo,et al.Lithofacies paleo-geography of Cambrian sequences in the Tarim Basin[J].ActaPetrolei Sinica,2011,32(6):937-948.
[16]Flügel E.Microfacies of carbonate rocks:analysis,interpretationand application[M].Erlangen:Springer,2004:575-656.
[17]赵宗举,李宇平,吴兴宁,等.塔里木盆地塔中地区奥陶系特大型岩性油气藏成藏条件及勘探潜力[J].中国石油勘探,2004,9(5):12-20.Zhao Zongju,Li Yuping,Wu Xingning,et al.Conditions for mi-gration and accumulation of Ordovician giant lithologic oil andgas reservoirs in Tazhong region and exploration potential[J].China Petroleum Exploration,2004,9(5):12-20.
[18]赵宗举,贾承造,周新源,等.塔里木盆地塔中地区奥陶系油气成藏主控因素及勘探选区[J].中国石油勘探,2006,11(4):6-15.Zhao Zongju,Jia Chengzao,Zhou Xinyuan,et al.Key factors ofoil-gas reservoir-forming and exploration targets in Ordovician inTazhong area,Tarim Basin[J].China Petroleum Exploration,2006,11(4):6-15.
[19]陈景山,李忠,王振宇,等.塔里木盆地奥陶系碳酸盐岩古岩溶作用与储层分布[J].沉积学报,2007,25(6):858-868.Chen Jingshan,Li Zhong,Wang Zhenyu,et al.Paleokarstificationand reservoir distribution of Ordovician carbonates in Tarim Ba-sin[J].Acta Sedimentologica Sinica,2007,25(6):858-868.
[20]洪余刚,陈景山,代宗仰,等.古地貌恢复在风化壳岩溶型储层研究中的应用——以川中—川南过渡带奥陶系为例[J].大庆石油地质与开发,2007,26(1):1-5.Hong Yugang,Chen Jingshan,Dai Zongyang,et al.The applica-tion of ancient geomorphy recovery to the study on the palae-oweathering crust-type karst reservoir[J].Petroleum Geology&Oilfield Development in Daqing,2007,26(1):1-5.
[21]Moore C H.Carbonate reservoirs:porosity evolution and diagen-esis in a sequence stratigraphic framework[M].Amsterdam:Els-vier,2011:1-16.
[22]钱一雄,尤东华.塔中地区西北部奥陶系白云岩(化)成因分析[J].新疆石油地质,2006,27(2):146-150.Qian Yixiong,You Donghua.An analysis of Ordovician dolomiti-sation origin in northwestern Tazhong area[J].Xinjiang Petrole-um Geology,2006,27(2):146-150.
[23]苗继军.塔中低凸起构造演化与奥陶系油气成藏研究[R].北京:中国石油大学,2007:17-49.Miao Jijun.Ordovician reservoir formation and structural evolu-tion in the Central Tarim Uplift[R].Beijing:China University ofPetroleum,2007:17-49.
[24]倪新锋,杨海军,沈安江,等.塔北地区奥陶系灰岩段裂缝特征及其对岩溶储层的控制[J].石油学报,2010,31(6):933-940.Ni Xinfeng,Yang Haijun,Shen Anjiang,et al.Characteristics ofOrdovician limestone fractures in the northern Tarim Basin andtheir controlling effects on karst reservoirs[J].Acta Petrolei Sin-ica,2010,31(6):933-940.
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