冀中坳陷潜山类型及其演化特征研究
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摘要
冀中坳陷古潜山的物质基础主要是前第三纪地层,通过编制前第三系地质图认为中上元古界整体上以“T”型呈北西向和北东向展布,集中分布于坳陷中西部地区;古生界除饶阳凹陷中北部、蠡县斜坡北部、高阳低凸起北部以及牛驼镇西部地区外,均有分布。受燕山期及喜马拉雅期构造运动影响,中生界主要分布于冀中坳陷东北部、西南部等地区。
新生代拉张伸展以及地幔拱升作用形成的伸展构造是潜山发育、成长的控制因素,而在伸展过程中注入的走滑分量则是对潜山的再改造。基于断层性质及其力学性质的不同划定了伸展构造、斜滑构造和反转构造等三个构造体系。通过分析断层的空间展布和组合规律,为研究潜山的三维空间分布提供基础。
结合冀中坳陷潜山及其潜山带的发育构造位置将潜山划分为凸起潜山带、陡坡潜山带、洼陷潜山带、中央隆起潜山带和斜坡潜山带,再根据其发育的潜山类型进行具体分析。对比分析饶阳、廊固、霸县和武清等凹陷潜山类型的异同,总结出各个凹陷潜山的分布规律。
潜山及其潜山带的形成、展布、改造以及潜山油气运移等方面都受到传递带不同程度的控制与影响。通过构造图、断层发育史和地层等厚图等地质分析手段,在冀中坳陷划分出同向趋近型、同向叠覆型、同向平行型、对向趋近型和对向平行型等五种传递带类型,从构造几何学和运动学两方面分析传递带的特征及其规律性变化,搞清冀中坳陷潜山带之间的转换关系。总结传递带对潜山油气运聚的影响与控制方面的作用。
利用平衡剖面技术,分析不同类型潜山的构造演化特征,确定不同类型潜山的形成过程和经历的溶蚀改造作用。根据潜山的形成期、埋藏期、定型期的早晚关系,将冀中坳陷潜山分为早形成、晚埋藏、晚定型;早形成、晚埋藏、早定型;早形成、早埋藏、晚定型;早形成、早埋藏、早定型;晚形成、早埋藏、晚定型等五种类型。其中最有利于油气聚集的潜山类型为早形成、晚埋藏、晚定型,其次为早形成、晚埋藏、早定型。
The material of buried hill is based primarily on pre-Tertiary strata in Jizhong depression. We think that the whole strata of middle to Upper Proterozoic trend in the NW and NE by the preparation of pre-Tertiary geological map, concentrateing in the mid-west area of the depression; All of the paleozoic group stratum has the distribution except the middle-north of Raoyang depression ,the north of the slope of Lixian, the north of the low uplift of Goyang and the western areas of Niutuo; The mesozoic mainly distributes in the northeast and northwest.of Jizhong depression by the influence of the tectonic movement of Yanshan and Himalayan.
The controlling factor of’the growth of the buried hills are the extensional structures which are formed by the extension strength and the mantle arches in the Tertiary Period The strike-slip component in the process of stretching is second modification to the hill .Based on the difference of fault nature and mechanical properties, we have delimited three structural systems_the extensional fault, the taper slide structure and the reverse structure .Through the analysis of the spatial mop and combination rule of the fault, we can study easily the three-dimensional space distribution.
According to the hills and its growth position of hill belts in Jizhong depression, buried hill can be divide into the bulge hill belt, the steep slope hill belt, the hollow hill belt, the central uplift hill belt and the pitch hill belt,then we make the concrete analysis in the light of the types of hill which they grow.Through comparative analyseing the similarities and differences of the hills of Raoyang sug, Baxian sug ,Langgu sug and Wuqing sug, I summe up the distribution rules of the various depression hill.
Hill and the' formation of hill belt, the mop, the transformation as well as the oil-gas migration of hill and so on are controlled and affacted by the transfer zone in different degree.Transfer zone can be devided into five types in Jizhong depression,such as the accommodation zone of synthetic approach type、the accommodation zone of synthetic overlap type、the accommodation zone of Synthetic collateral type、the accommodation zone of convergent collateral type and the accommodation zone of convergent approach type, using Structural Map,The Fault Development History And The Formation Isopach map.Analyzeing Transfer zone's characteristic and the regular change in two aspects of the structural geometry and kinematics, so that we can figure out the conversion relationship in the hill belts and summe up the effects that the migration of the oil and gas is affected by transfer zone.
we use the technology of balanced cross-section and analysize the feature of tectonic evolution of the different buried hill in Raoyang sag to determine the formation process of the different hills and the dissolution and transformation effect .according to the time orde of the formation, buried and stereotypeof the hills,The buried hill can be divided into five kinds of evolution types: (1) early formation, later buried, later stereotypes(early-later-later type); (2) early formation, later buried, early stereotypes(early-later-early type); (3) early formation, early buried, later stereotypes(early- early-later-type); (4) early formation, early buried, early stereotypes(early-early-early type); (5) later formation, early buried, later stereotypes(early-early-later type). By analyzing the period of the formation buried hill,we can find that the first type buried hill belt are the best for for hydrocarbon accumulation.the second is the second type.
新生代拉张伸展以及地幔拱升作用形成的伸展构造是潜山发育、成长的控制因素,而在伸展过程中注入的走滑分量则是对潜山的再改造。基于断层性质及其力学性质的不同划定了伸展构造、斜滑构造和反转构造等三个构造体系。通过分析断层的空间展布和组合规律,为研究潜山的三维空间分布提供基础。
结合冀中坳陷潜山及其潜山带的发育构造位置将潜山划分为凸起潜山带、陡坡潜山带、洼陷潜山带、中央隆起潜山带和斜坡潜山带,再根据其发育的潜山类型进行具体分析。对比分析饶阳、廊固、霸县和武清等凹陷潜山类型的异同,总结出各个凹陷潜山的分布规律。
潜山及其潜山带的形成、展布、改造以及潜山油气运移等方面都受到传递带不同程度的控制与影响。通过构造图、断层发育史和地层等厚图等地质分析手段,在冀中坳陷划分出同向趋近型、同向叠覆型、同向平行型、对向趋近型和对向平行型等五种传递带类型,从构造几何学和运动学两方面分析传递带的特征及其规律性变化,搞清冀中坳陷潜山带之间的转换关系。总结传递带对潜山油气运聚的影响与控制方面的作用。
利用平衡剖面技术,分析不同类型潜山的构造演化特征,确定不同类型潜山的形成过程和经历的溶蚀改造作用。根据潜山的形成期、埋藏期、定型期的早晚关系,将冀中坳陷潜山分为早形成、晚埋藏、晚定型;早形成、晚埋藏、早定型;早形成、早埋藏、晚定型;早形成、早埋藏、早定型;晚形成、早埋藏、晚定型等五种类型。其中最有利于油气聚集的潜山类型为早形成、晚埋藏、晚定型,其次为早形成、晚埋藏、早定型。
The material of buried hill is based primarily on pre-Tertiary strata in Jizhong depression. We think that the whole strata of middle to Upper Proterozoic trend in the NW and NE by the preparation of pre-Tertiary geological map, concentrateing in the mid-west area of the depression; All of the paleozoic group stratum has the distribution except the middle-north of Raoyang depression ,the north of the slope of Lixian, the north of the low uplift of Goyang and the western areas of Niutuo; The mesozoic mainly distributes in the northeast and northwest.of Jizhong depression by the influence of the tectonic movement of Yanshan and Himalayan.
The controlling factor of’the growth of the buried hills are the extensional structures which are formed by the extension strength and the mantle arches in the Tertiary Period The strike-slip component in the process of stretching is second modification to the hill .Based on the difference of fault nature and mechanical properties, we have delimited three structural systems_the extensional fault, the taper slide structure and the reverse structure .Through the analysis of the spatial mop and combination rule of the fault, we can study easily the three-dimensional space distribution.
According to the hills and its growth position of hill belts in Jizhong depression, buried hill can be divide into the bulge hill belt, the steep slope hill belt, the hollow hill belt, the central uplift hill belt and the pitch hill belt,then we make the concrete analysis in the light of the types of hill which they grow.Through comparative analyseing the similarities and differences of the hills of Raoyang sug, Baxian sug ,Langgu sug and Wuqing sug, I summe up the distribution rules of the various depression hill.
Hill and the' formation of hill belt, the mop, the transformation as well as the oil-gas migration of hill and so on are controlled and affacted by the transfer zone in different degree.Transfer zone can be devided into five types in Jizhong depression,such as the accommodation zone of synthetic approach type、the accommodation zone of synthetic overlap type、the accommodation zone of Synthetic collateral type、the accommodation zone of convergent collateral type and the accommodation zone of convergent approach type, using Structural Map,The Fault Development History And The Formation Isopach map.Analyzeing Transfer zone's characteristic and the regular change in two aspects of the structural geometry and kinematics, so that we can figure out the conversion relationship in the hill belts and summe up the effects that the migration of the oil and gas is affected by transfer zone.
we use the technology of balanced cross-section and analysize the feature of tectonic evolution of the different buried hill in Raoyang sag to determine the formation process of the different hills and the dissolution and transformation effect .according to the time orde of the formation, buried and stereotypeof the hills,The buried hill can be divided into five kinds of evolution types: (1) early formation, later buried, later stereotypes(early-later-later type); (2) early formation, later buried, early stereotypes(early-later-early type); (3) early formation, early buried, later stereotypes(early- early-later-type); (4) early formation, early buried, early stereotypes(early-early-early type); (5) later formation, early buried, later stereotypes(early-early-later type). By analyzing the period of the formation buried hill,we can find that the first type buried hill belt are the best for for hydrocarbon accumulation.the second is the second type.
引文
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[2]刘和甫.沉积盆地地球动力学分类及构造样式分析[J].地球科学,1993
[3]戴俊生,李理.油区构造分析[M].石油大学出版社,2002
[4]杨克绳.中国含油气盆地结构和构造样式地震解释[M].北京:石油工业出版社,2003
[5]陆克政.构造地质学教程[M].石油大学出版社,1996
[6]李丕龙.陆相断陷盆地油气地质与勘探[M].北京:石油工业出版社,2003
[7]陈发景,汪新文,陈昭年,等.伸展断陷盆地分析[M].地质出版社,2004
[8] Gibbs.A.D.1983.Balanced cross-section constructions from seismic section inareace of extensional Tectonics.Structure Geology,V.5:152～160
[9] Morley CK,Nelson RA,Patton TL.Transfer zones in the East African rift system and their relevance to hydrocarbon exploration in rifts. AAPG,1990,74(8):1234～1253
[10] Faulds,J.E.and Varga,R.J.The role of accommodation zones and transfer zones in the regional segmentation of extended terranes.In Accommodation Zones and Transfer Zones:Regional Segmentation of the Basin and Range Province,eds J.E.Faulds and J.H.Stewart.Geological Society of America Special Paper,1998,323:1～46
[11]杨明慧,刘池阳,杨斌谊,等.冀中坳陷早第三纪的伸展构造[J].地质论评,48(1):58～67
[12]何海清,王兆云.华北地区构造演化对渤海湾油气形成和分布的控制[J].地质学报,1998,72(4)
[13]赵重远,刘池洋著.华北克拉通沉积盆地形成与演化及其油气斌存.西安:西北大学出版社[M],1984,66～74
[14]漆家福,张一伟,陆克政,等.渤海湾新生代裂陷盆地的伸展模式及其动力学过程[J].石油实验地质,1995,17(4):316～323
[15]中、苏“深层油气藏预测”联合项目组编.深层油气藏储集层与相态预测[M].北京:石油工业出版社,1992:48～49
[16]焦贵浩,王同和.二连裂谷构造演化与油气[M].北京:石油工业出版社,2003
[17]蔺殿忠.渤海湾盆地的扭动构造特征及其对油气的控制作用[J].石油与天然气地质,1982,3(1):16～23
[18]黄忠范.河西务东主断层的扭动特征及与油气勘探的关系[J].石油地球物理勘探,1992,27(1):112～119
[19]张以明,张玉体,李维华,等.冀中坳陷东部张性右行走滑运动[J].勘探家,1999,4(3):36～39
[20]杜金虎,邹伟宏,费宝生,等.冀中坳陷古潜山复式油气聚集区[M].科技出版社,2002
[21]张云峰.济阳坳陷及其南缘奥陶系碳酸盐岩潜山储集性及控制因素.博士学位论文,2004
[22]华北石油勘探设计研究院.潜山油气藏[M].北京:石油工业出版社,1982:5～6
[23]阎敦实,王尚文,唐智.渤海湾含油气盆地断块活动与古潜山油、气田的形成[J].石油学报,1980,(12):1～10
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