江汉平原中、上古生界油气立体勘探条件分析——以越舟湖地区为例
|
摘要
江汉平原的越舟湖地区具有"圈闭叠置、多源充注、储层发育、封存箱复合"等油气成藏特点。通过地震资料精细解释与圈闭描述,越舟湖构造中、古生界构造呈镜像关联;应用白垩系原油与二叠系、三叠系原油特征对比以及原油与烃源岩生物标志化合物、同位素系列特征对比,并结合油气纵向运移特征等方法分析认为,白垩系原油来自上覆下第三系、下伏上三叠统-下侏罗统、三叠统大冶组等多套烃源层;地质与地震相分析,提取了识别储层敏感属性,预测白垩系、石炭系储层优良;流体封存箱评价技术分析认为,中生界白垩系简单封存箱型油气成藏模式与上古生界叠置封存箱型油气成藏模式并存。因此,越舟湖地区具备中、上古生界油气立体勘探基本条件。
It had the characteristics of reservoir-formation with superposition trap and multi-source filling and fine reservoir layers and complex compartment in Yuezhouhu Area.By Applying 3D seismic date fine interpretation and trap description in the area,it was considered that structure of Yuezhouhu in Mesozoic structure was the mirror relationship with Paleozoic structure.By contrast of the characters of crude oil in cretaceous and crude oil of marine facies in Permian and Triassic,and characters of conventionality biology labeled compound in crude oil and source rocks,together with unconventional carbon isotope series of crude oil and source rocks,and characters of hydrocarbon vertical moving,it was considered that oil source of cretaceous in the Area Mian31 comes from resource rocks in upper Triassic-lower-Jurassic partially comes from above resource rocks (lower-tertiary) and below the resource rocks (Daye formation lower-Triassic).It is oil reservoir with the characters of multi-source mixture.By analysis on geology and seismic facies,a forward calculation model of cretaceous and carboniferous system is established to extract the property of reservoir l sensitivity,predict the reservoirs in cretaceous and Carboniferous system.By using the fluid compartment assessment technique,it is considered that oil reservoir in cretaceous Mesozoic belongs to the pattern of reservoir-formation with simple compartment; gas reservoir in the upper Paleozoic possibly belongs to pattern of reservoir-formation with complex compartment.There exist patterns of reservoir-formation with simple compartment and complex compartment in Yuezhouhu Area. Hence,it is provided with basic condition on 3-dimensional exploration of oil and gas in Mesozoic and upper Paleozoic in Yuezhouhu Area.
It had the characteristics of reservoir-formation with superposition trap and multi-source filling and fine reservoir layers and complex compartment in Yuezhouhu Area.By Applying 3D seismic date fine interpretation and trap description in the area,it was considered that structure of Yuezhouhu in Mesozoic structure was the mirror relationship with Paleozoic structure.By contrast of the characters of crude oil in cretaceous and crude oil of marine facies in Permian and Triassic,and characters of conventionality biology labeled compound in crude oil and source rocks,together with unconventional carbon isotope series of crude oil and source rocks,and characters of hydrocarbon vertical moving,it was considered that oil source of cretaceous in the Area Mian31 comes from resource rocks in upper Triassic-lower-Jurassic partially comes from above resource rocks (lower-tertiary) and below the resource rocks (Daye formation lower-Triassic).It is oil reservoir with the characters of multi-source mixture.By analysis on geology and seismic facies,a forward calculation model of cretaceous and carboniferous system is established to extract the property of reservoir l sensitivity,predict the reservoirs in cretaceous and Carboniferous system.By using the fluid compartment assessment technique,it is considered that oil reservoir in cretaceous Mesozoic belongs to the pattern of reservoir-formation with simple compartment; gas reservoir in the upper Paleozoic possibly belongs to pattern of reservoir-formation with complex compartment.There exist patterns of reservoir-formation with simple compartment and complex compartment in Yuezhouhu Area. Hence,it is provided with basic condition on 3-dimensional exploration of oil and gas in Mesozoic and upper Paleozoic in Yuezhouhu Area.
引文
[1]唐斌,张涛,朱勇,等.中扬子海相三维地震资料处理方法与效果分析[J].勘探地球物理进展,2008,31(1):69～72.
[2]李昌鸿,刘新民,付宜兴,等.江汉平原区中、古生界构造特征及演化[J].地质科技情报,2008,27(2):34～38.
[3]张中宁,刘文汇,王作栋,等.塔北隆起深层海相油藏中原油及族组分碳同位素组成的纵向分布特征及其地质意义[J].沉积学报,2008,26(4):709～714.
[4]张士万.江汉盆地白垩系成藏模式及特征[J].石油天然气学报,2008,30(2):62～66.
[5]李群,吴慕林,王必金.江汉盆地东部白垩系次生成藏条件分析[J].江汉石油学院学报,2003,25(1):154～161.
[6]Hunt J M.Generation and migration of petroleumfromabnormal pressure fluid compart ment[J].AAPG Bulletin,1990,74(1):12～18.
[7]Powleyd E.Pressures and hydrogeology in petroleumbasins[J].Earth Science Reviews,1990,29(2):215～226.
[8]周兴熙.封存箱与油气成藏作用[J].地学前缘,2004,11(4):609～616.
[9]周兴熙.封存箱辨义及主要类型[J].石油实验地质,2006,28(5):424～429.
[10]陈中红,查明.东营凹陷流体超压封存箱与油气运聚[J].沉积学报,2006,24(4):607～612.
[11]张厚福.石油地质学新进展(5)[M].北京:石油工业出版社,1998.
[12]胡晓凤,王韶华,盛贤才,等.中扬子区海相地层水化学特征与油气保存[J].石油天然气学报,2007,29(2):32～37.
[13]李明,罗凯.地层水资料在油气勘探中的应用[J].新疆地质,2004,22(3):304～307.
[14]刘方槐,颜婉荪.油气田水文地质学原理[M].北京:石油工业出版社,1991.
[15]刘崇禧,孙世雄.水文地球化学找油理论与方法[M].北京:地质出版社,1988.
[2]李昌鸿,刘新民,付宜兴,等.江汉平原区中、古生界构造特征及演化[J].地质科技情报,2008,27(2):34～38.
[3]张中宁,刘文汇,王作栋,等.塔北隆起深层海相油藏中原油及族组分碳同位素组成的纵向分布特征及其地质意义[J].沉积学报,2008,26(4):709～714.
[4]张士万.江汉盆地白垩系成藏模式及特征[J].石油天然气学报,2008,30(2):62～66.
[5]李群,吴慕林,王必金.江汉盆地东部白垩系次生成藏条件分析[J].江汉石油学院学报,2003,25(1):154～161.
[6]Hunt J M.Generation and migration of petroleumfromabnormal pressure fluid compart ment[J].AAPG Bulletin,1990,74(1):12～18.
[7]Powleyd E.Pressures and hydrogeology in petroleumbasins[J].Earth Science Reviews,1990,29(2):215～226.
[8]周兴熙.封存箱与油气成藏作用[J].地学前缘,2004,11(4):609～616.
[9]周兴熙.封存箱辨义及主要类型[J].石油实验地质,2006,28(5):424～429.
[10]陈中红,查明.东营凹陷流体超压封存箱与油气运聚[J].沉积学报,2006,24(4):607～612.
[11]张厚福.石油地质学新进展(5)[M].北京:石油工业出版社,1998.
[12]胡晓凤,王韶华,盛贤才,等.中扬子区海相地层水化学特征与油气保存[J].石油天然气学报,2007,29(2):32～37.
[13]李明,罗凯.地层水资料在油气勘探中的应用[J].新疆地质,2004,22(3):304～307.
[14]刘方槐,颜婉荪.油气田水文地质学原理[M].北京:石油工业出版社,1991.
[15]刘崇禧,孙世雄.水文地球化学找油理论与方法[M].北京:地质出版社,1988.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心