惠民凹陷构造样式及分布规律研究
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摘要
综合应用钻井和测井等基础地质资料,对惠民凹陷区内的三维和二维地震剖面进行了精细解释,分析了构造几何学特征。以盆地形成和演化的构造背景为基础,对惠民凹陷发育的五大类主要构造样式(滚动构造、岩浆底辟构造、披覆构造、断块构造、滑动断阶)进行了研究。滚动构造受近南北向拉伸作用和地层本身重力的双重影响,主要发育在大型断裂带主断层下降盘弧形内弯处(如临商断裂和夏口断裂);惠民凹陷火成岩的分布受北东、北西和东西向3组深大断裂控制,岩浆底辟构造和火成岩披覆构造发育的主要构造带位于两组断裂的交会部位(临南洼陷东部和阳信洼陷东部);潜山披覆构造受古构造及潜山带分布控制,继承发育了基底古生界隆起及中生界断块山的中央隆起带,主要发育古近系披覆背斜构造,在南部燕山期形成的宽缓褶曲背景上,主要发育古近系潜山披覆断鼻,缓坡带的东部主要发育潜山披覆断块构造;惠民凹陷北部陵县—阳信铲式大断层控制了滑动断阶构造的分布,基山、阳9等陡坡带发育同向滑动断阶构造,在阳信、滋镇洼陷等缓坡带的孔店组—沙河街组四段(沙四段)主要发育反向滑动断阶构造。
By integrated application of drilling,logging and other basic geologic data of Huimin Depression,the 3D and 2D seismic sections were finely interpreted,and the structural geometry features were analyzed.Based on the tectonic setting of basining and evolution, the five main structures developed in Huimin Depression(including the rolling structure,magmatic diapir structure,drape structures, fault-block construction and sliding off) have been studied.Rolling structure is impacted by both north-southern stretching and gravity of stratum itself,mainly developed on the crook of downthrow wall arc of main fault in large-scale fracture belt,such as Linshang fracture and Xiakou fracture.The distribution of igneous rock in Huimin Depression is controlled by three groups of deep and large fractures in NE,NW and EW directions.The east part of Linnan Sag and the east part of Yangxin low-lying,located on the joint of two groups of fractures,are the main structural belts of magmatic diapir structure and igneous rock drape structure.Buried hill drape structure is controlled by the distributions of paleostructure and buried hill zone,so Paleogene system drape structures are developed completely in central uplift with inheritance and development of basement Paleozoic uplift and Mesozoic fault block mountains. Lower Paleogene buried hill drape fault nose is developed in wide and gentle folds generated from Yanshan stage in the south.Buried hill drape fault block structures are mainly developed in the east of gentle slope zone.The distribution of sliding off structure is controlled by the main faults like shovel of Lingxian-Yangxin in Huimin Depression.Sliding-off structures are also developed in steep slopes such as Jishan and Yang9.In addition,reversal sliding-off structures are developed completely in Kongdian Group-Sha4 Member of gentle slopes such as Yangxin Sag and Zizhen Sag.
By integrated application of drilling,logging and other basic geologic data of Huimin Depression,the 3D and 2D seismic sections were finely interpreted,and the structural geometry features were analyzed.Based on the tectonic setting of basining and evolution, the five main structures developed in Huimin Depression(including the rolling structure,magmatic diapir structure,drape structures, fault-block construction and sliding off) have been studied.Rolling structure is impacted by both north-southern stretching and gravity of stratum itself,mainly developed on the crook of downthrow wall arc of main fault in large-scale fracture belt,such as Linshang fracture and Xiakou fracture.The distribution of igneous rock in Huimin Depression is controlled by three groups of deep and large fractures in NE,NW and EW directions.The east part of Linnan Sag and the east part of Yangxin low-lying,located on the joint of two groups of fractures,are the main structural belts of magmatic diapir structure and igneous rock drape structure.Buried hill drape structure is controlled by the distributions of paleostructure and buried hill zone,so Paleogene system drape structures are developed completely in central uplift with inheritance and development of basement Paleozoic uplift and Mesozoic fault block mountains. Lower Paleogene buried hill drape fault nose is developed in wide and gentle folds generated from Yanshan stage in the south.Buried hill drape fault block structures are mainly developed in the east of gentle slope zone.The distribution of sliding off structure is controlled by the main faults like shovel of Lingxian-Yangxin in Huimin Depression.Sliding-off structures are also developed in steep slopes such as Jishan and Yang9.In addition,reversal sliding-off structures are developed completely in Kongdian Group-Sha4 Member of gentle slopes such as Yangxin Sag and Zizhen Sag.
引文
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[14]崔世凌,秦爽,杨泽蓉,等.惠民凹陷复杂断块精细描述技术及应用[J].石油物探,2002,41(3):347-353
[15]赵密福,刘泽容,信荃麟,等.惠民凹陷临南地区断层活动特征及控油作用[J].石油勘探与开发,2000,27 (6):9-11
[16]郑德顺.惠民凹陷中生代和新生代断层发育特征及其对沉积的控制作用[J].石油大学学报(自然科学版),2004,28(5):6-12
[17]韩天佑,石硕.惠民凹陷临南地区新生代构造演化特征研究[J].华东理工学院学报,2004,27(4): 309-314
[18]王纪祥,陈发景,李趁义.山东惠民凹陷伸展构造及调节带特征[J].现代地质,2003,17(2):203-208
[19]姚超,焦贵浩,王同和,等.中国含油气构造样式[M].北京:石油工业出版社,2004:1-517
[20]周建生,杨长春.渤海湾地区前第三系构造样式分布特征研究[J].地球物理学进展,2007,22(5): 1416-1426
[21]李晓清.惠民凹陷的构造样式[J].复式油气田, 1993,4(2):36-42
[22]李丕龙.陆相断陷盆地构造演化与构造样式[M].北京:石油工业出版社,2003:65-66
[23]马士忠.惠民凹陷古近纪构造与沉积演化及油气成藏模式[D].北京:中国地质大学,2007
[2]Lowell J D.Structural style in petroleum exploration [M].Tulsa,USA:Pennwell Corp,1985:460
[3]田在艺,张庆春.中国含油气盆地论[M].北京:石油工业出版社,1996:249-250
[4]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(中国地质大学学报),1993,18(6): 699-724
[5]汤良杰,金之钧,漆家福,等.中国含油气盆地构造分析主要进展与展望[J].地质论评,2002,48(2): 182-192
[6]戴俊生,曹代勇.柴达木盆地新生代构造样式的演化特点[J].地质论评,2000,46(5):455-460
[7]胡望水,卫拥军,张自其.辽河盆地构造样式与圈闭发育特征[J].新疆石油地质,2002,23(3):197-200
[8]严俊君,黄太柱.塔里木盆地北部构造样式[J].地球科学(中国地质大学学报),1995,20(3):264-270
[9]陈海云,于建国,舒良树,等.济阳坳陷构造样式及其与油气关系[J].高校地质学报,2005,11(4): 622-632
[10]曹春.济阳坳陷同沉积构造分布规律研究[J].胜利油田职工大学学报,2007,21(3):38-40
[11]刘朝露,夏斌.济阳坳陷新生代构造演化特征与油气成藏组合模式[J].天然气地球科学,2007,18(2): 209-214
[12]张玺.济阳坳陷桩海地区前第三系潜山构造样式[J].油气地质与采收率,2006,13(4):12-14
[13]李亚哲,金鑫.惠民凹陷走滑构造特征及其对油气的控制[J].海洋地质动态,2008,24(4):7-12
[14]崔世凌,秦爽,杨泽蓉,等.惠民凹陷复杂断块精细描述技术及应用[J].石油物探,2002,41(3):347-353
[15]赵密福,刘泽容,信荃麟,等.惠民凹陷临南地区断层活动特征及控油作用[J].石油勘探与开发,2000,27 (6):9-11
[16]郑德顺.惠民凹陷中生代和新生代断层发育特征及其对沉积的控制作用[J].石油大学学报(自然科学版),2004,28(5):6-12
[17]韩天佑,石硕.惠民凹陷临南地区新生代构造演化特征研究[J].华东理工学院学报,2004,27(4): 309-314
[18]王纪祥,陈发景,李趁义.山东惠民凹陷伸展构造及调节带特征[J].现代地质,2003,17(2):203-208
[19]姚超,焦贵浩,王同和,等.中国含油气构造样式[M].北京:石油工业出版社,2004:1-517
[20]周建生,杨长春.渤海湾地区前第三系构造样式分布特征研究[J].地球物理学进展,2007,22(5): 1416-1426
[21]李晓清.惠民凹陷的构造样式[J].复式油气田, 1993,4(2):36-42
[22]李丕龙.陆相断陷盆地构造演化与构造样式[M].北京:石油工业出版社,2003:65-66
[23]马士忠.惠民凹陷古近纪构造与沉积演化及油气成藏模式[D].北京:中国地质大学,2007
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