方正断陷中部发育走滑断层的地震证据及有利区带预测
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摘要
方正断陷是依舒地堑中北部的一级负向构造单元。为了确定盆地的形成机制,明晰其中断层体系的性质,利用新三维地震资料对方正断陷进行了详细的构造解析。剖面上"花状构造"、平面上断层雁行式展布与空间上"海豚效应"等6方面地震地质证据证明方正断陷中部发育走滑断层系。走滑断层发育证明方正断陷在新生代以来发生过右行平移运动。方正断陷是在走滑构造背景下形成的与走滑相关的断陷盆地。综合走滑断层的石油地质特征研究预测,区内德善屯凹陷的中心及坡折处具有很好的油气勘探潜力。
Fangzheng rift is a negative tectonic units in the north-central part of Yi-Shu rift.In order to understand the formation mechanism of the basin and the nature of fault system,the new 3D seismic data is used to interpret the structure.The study found that six seismic and geological evidences,for instance,the "flower structure" and "dolphin effect",can prove that strike-slip fault developed.Fangzheng rift is a strike-slip fault related basin.The strike-slip fault's petroleum geological characteristics indicate that the slope-break zone of Deshantun depression is a favorable exploration area.
Fangzheng rift is a negative tectonic units in the north-central part of Yi-Shu rift.In order to understand the formation mechanism of the basin and the nature of fault system,the new 3D seismic data is used to interpret the structure.The study found that six seismic and geological evidences,for instance,the "flower structure" and "dolphin effect",can prove that strike-slip fault developed.Fangzheng rift is a strike-slip fault related basin.The strike-slip fault's petroleum geological characteristics indicate that the slope-break zone of Deshantun depression is a favorable exploration area.
引文
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[2]许浚远.依舒地堑新生代构造演化[J].地球科学——中国地质大学学报,1997,22(4):406-410.XUJun-yuan.Tectonic evolution of Yishu graben in Cenozoic[J].Earth Science—Journal of China University of Geosciences,1997,22(4):406-410.
[3]王孔伟,张帆,刘志宏,等.依舒地堑汤原、方正断陷古近纪边界断裂活动特征[J].大地构造与成矿学,2006,30(4):445-454.WANG Kong-wei,ZHANG Fan,LI U Zhi-hong,et al.Characterization of the Paleogene boundary faults of Tangyuan and Fangzheng fault basins in Yishu graben in Heilongjiang Province[J].Geotectonica et Metallogenia,2006,30(4):445-454.
[4]黄清华,杨建国,孔惠.东北依兰—伊通地堑方正断陷方正组的建立及其意义[J].地层学杂志,2003,27(2):138-145.HUANG Qing-hua,YANGJian-guo,KONG Hui.The Fangzheng Formation of the Fangzheng rift in the northeast of the Yilan-Yitong rift valley and its significance[J].Journal of Stratigraphy,2003,27(2):138-145.
[5]赵文峰.东北大陆裂谷系的形成与地震活动[J].地震地质,1981,3(2):23-29.ZHAO Wen-feng.Continental rift valley system and seismic activities in Northeast China[J].Seismology and Geology,1981,3(2):23-29.
[6]刘祥.吉林舒兰断裂带的基本特征[J].地震地质,1988,10(3):28-32.LI U Xiang.The characteristics of the Shulan fault zone,Jilin Province[J].Seismology and Geology,1988,10(3):28-32.
[7]徐嘉炜.郯庐断裂带的平移运动及其地质意义[C]//杨起,李廷栋.国际交流地质学术论文集.北京:地质出版社,1980.XUJia-wei.The translation movement of TanLu fault and geological significance[C]//YANG Qi,LI Ting-dong.The international exchange of geological research papers.Beijing:Geological Publishing House,1980.
[8]刘茂强,杨丙中,邓俊国,等.伊通—舒兰地堑地质构造特征及其演化[M].北京:地质出版社,1993:42-84.LI U Mao-qiang,YANG Bing-zhong,DENG Jun-guo,et al.Geological tectonic features and evolution of Yitong-Shulan graben[M].Beijing:Geological Publishing House,1993:42-84.
[9]许浚远.依舒断裂带中生代构造演化[J].石油与天然气地质,1993,14(2):137-144.XUJun-yuan.Tectonic evolution of Yishu graben in Mesozoic[J].Oil&Gas Geology,1993,14(2):137-144.
[10]朱志澄.构造地质学[M].北京:中国地质大学出版社,1999:201-202.ZHU Zhi-cheng.Structural geology[M].Beijing:China University of Geosciences Press,1999:201-202.
[11]孙万军,刘宝柱,李本才,等.伊通地堑断层系统与构造样式[J].现代地质,2004,18(4):505-510.SUN Wan-jun,LI UBao-zhu,LI Ben-cai,et al.Fault systemand tectonic style of the Yitong graben[J].Geoscience,2004,18(4):505-510.
[12]高君,李晶.方正断陷的形成及其动力学机制[J].大庆石油地质与开发,1997,16(2):17-19.GAO Jun,LI Jing.The formation and dynamic mechanismof Fangzheng rift[J].Petroleum Geology&Oil Field Development in Daqing,1997,16(2):17-19.
[13]曹成润,王子文,张树林.佳—伊地堑方正断陷的断裂控盆效应[J].大庆石油学院学报,1996,20(3):1-5.CAO Cheng-run,WANG Zi-wen,ZHANG Shu-lin.Fault control effect at Fangzheng rift in Jia-Yi graben[J].Journal of Daqing PetroleumInstitute,1996,20(3):1-5.
[14]漆家福,夏义平,杨桥.油区构造解析[M].北京:石油工业出版社,2006:108-109.QI Jia-fu,XIA Yi-ping,YANG Qiao.Petroleum structure analysis[M].Beijing:Petroleum Industry Press,2006:108-109.
[15]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,2006:186-196.YANG Ke-sheng.China petroleum basin structure and tectonic style seismic interpretation[M].Beijing:PetroleumIndustry Press,2006:186-196.
[16]夏义平,刘万辉,徐礼贵,等.走滑断层的识别标志及其石油地质意义[J].中国石油勘探,2007(1):17-23.XIA Yi-ping,LI U Wan-hui,XU Li-gui,et al.Identification of strike-slip fault and its petroleum geology significance[J].China Petroleum Exploration,2007(1):17-23.
[17]杨克绳.从地震信息看油气地质扭动构造的六大特征——兼述中国东部和中—西部典型扭动构造样式[J].海相油气地质,2007,12(1):43-50.YANG Ke-sheng.Seismic information implicates features of shearing structure systems in petroliferous basins:examples of styles of the structure systems in China[J].Marine Origin Petroleum Geology,2007,12(1):43-50.
[18]Zolnai G.Continental wrench-tectonics and hydro-carbon habitat[M].2nd edition.Oklahoma:American Association of Petroleum Geologists Education Depart ment,1991.
[19]范秋海,吕修祥,李伯华.走滑构造与油气成藏[J].西南石油大学学报:自然科学版,2008,30(6):76-80.FAN Qiu-hai,L Xiu-xiang,LI Bo-hua.Strike slip fault and the hydrocarbon reservoir formation[J].Journal of Southwest Petroleum University:Science&Technology Edition,2008,30(6):76-80.
[20]刘玉瑞,刘启东,杨小兰.苏北盆地走滑断层特征与油气聚集关系[J].石油与天然气地质,2004,25(3):279-283.LI U Yu-rui,LI U Qi-dong,YANG Xiao-lan.Relation between features of strike-slip faults and hydrocarbon accumulationin Subei basin[J].Oil&Gas Geology,2004,25(3):279-283.
[21]石力群.地质力学在我国石油普查勘探中的应用[J].长春地质学院学报,1976,6(3):36-44.SHI Li-qun.The application of geomechanics in China petroleum exploration[J].Journal of the Changchun Geological Institute,1976,6(3):36-44.
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