综合物探资料在油气地质地球物理综合解释中的应用
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摘要
分析XF山西侧地区的深部构造特征、电性层与断裂的展布及圈定有利油气构造带,为含油气远景评价和选择有利区块提供依据,综合MT电法、重力和磁法资料,并以物性资料为基础,石油地质理论为依据,提出综合物探资料在XF山西侧油气地质—地球物理解释中的综合解释方法.通过对重磁电资料与石油地质资料的联合正反演综合解释,分析剖面中生界和古生界地层垂向分布,确定研究区电性层的展布、断裂及下组合有利生储盖组合的综合物探异常特征.结果表明:物探剖面中、东段最多发育3套电性层,西段可完整发育5套电性层,震旦系—寒武系地层发育厚度较大,构造变形相对较弱,是油气勘探的有利区,从而验证地球物理综合解释方法在XF山西侧地区的有效性.
In order to understand the deep structure characteristics,electrical layer,fracture distribution as well as the delineation of favorable petroleum zone of the west side of XF Mountain,this paper proposed technical route of using integrated geophysical data in the geophysical interpretation of the gas geology on the west side of the XF mountain by using MT information,gravity data,magnetic data and physical property data guided by the petroleum geology.Based on the comprehensive interpretation of the forward calculation and inversion of the gravity,magnetic,electrical data,and the petroleum geological data,this paper carried out the in-depth study of the profile's Mesozoic and Paleozoic strata vertical distribution and determined the spread of the electrical layer,fracture and geophysical abnormal characteristics of the under combination's favorable combination of reservoir.The results indicated that the middle and eastern section of the profile developed up to three sets of electrical layer,while the western section can develop five sets of electrical layer completely,Ediacaran and Cambrian strata with thick tectonic and deformation is relatively weak,which is the favorable area for oil and gas exploration.These results verified the validity of the comprehensive interpretation methods in this area.
In order to understand the deep structure characteristics,electrical layer,fracture distribution as well as the delineation of favorable petroleum zone of the west side of XF Mountain,this paper proposed technical route of using integrated geophysical data in the geophysical interpretation of the gas geology on the west side of the XF mountain by using MT information,gravity data,magnetic data and physical property data guided by the petroleum geology.Based on the comprehensive interpretation of the forward calculation and inversion of the gravity,magnetic,electrical data,and the petroleum geological data,this paper carried out the in-depth study of the profile's Mesozoic and Paleozoic strata vertical distribution and determined the spread of the electrical layer,fracture and geophysical abnormal characteristics of the under combination's favorable combination of reservoir.The results indicated that the middle and eastern section of the profile developed up to three sets of electrical layer,while the western section can develop five sets of electrical layer completely,Ediacaran and Cambrian strata with thick tectonic and deformation is relatively weak,which is the favorable area for oil and gas exploration.These results verified the validity of the comprehensive interpretation methods in this area.
引文
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[15]王家林,王一新,万明浩.石油重磁解释[M].北京:石油工业出版社,1991:180,282-287.Wang Jialin,Wang Yixin,Wan Minghao.Oil&gas magnetic explanation[M].Beijing:Petroleum Industrial Publishing House,1991:180,282-287.
[16]张娣,李嵘,杨平,等.雪峰山西侧地区下古生界海相白云岩储层的成岩作用[J].地质通报,2012,31(2):1862-1871.Zhang Di,Li Rong,Yang Ping,et al.Digenetic analysis of the lower Paleozoic dolomite reservoirs on the western side of the Xuefengmountain[J].Geological Bulletin of China,2012,31(11):1862-1871.
[17]陈洪德,庞林,倪新锋,等.中上扬子地区海相油气勘探前景[J].石油实验地质,2007,29(1):13-18.Chen Hongde,Pang Lin,Ni Xinfeng.et al.New brief remarks on hydrocarbon prospecting of marine strata in the middle and upperYangtze region[J].Petroleum Geology&Experiment,2007,29(1):13-18.
[18]赵宗举,冯加良,陈学时,等.湖南慈利灯影组古油藏的发现及意义[J].石油与天然气地质,2001,22(2):114-118.Zhao Zongju,Feng Jialiang,Chen Xueshi,et al.Discovery of Dengying formation fossil pool in Cili,Hunan and its significance[J].Oil&Gas Geology,2001,22(2):114-118.
[19]李旭兵,刘安,危凯,等.雪峰山西侧地区震旦系灯影组碳酸盐岩储集特征及分布[J].地质通报,2012,31(11):1872-1877.Li Xubing,Liu An,Wei Kai,et al.Reservoir characteristics and distribution characteristics of the carbonate in Dengying formationon the western side of the Xuefeng mountains[J].Geological Bulletin of China,2012,31(11):1872-1877.
[2]戴少武,贺自爱,王津义.中国南方中、古生界油气勘探的思路[J].石油与天然气地质,2001,22(3):195-202.Dai Shaowu,He Zi'ai,Wang Jinyi.Thinking of Meso-Paleozonic hydrocarbon exploration in south China[J].Oil&Gas Geology,2001,22(3):195-202.
[3]卓皆文,汪正江,王剑,等.雪峰山西侧地区海相油气勘探前景初析[J].沉积与特提斯地质,2009,29(1):5-7.Zhuo Jiewen,Wang Zhengjiang,Wang jian,et al.An approach to the oil and gas exploration potential in the marine strata in the west-ern part of the Xuefeng mountains[J].Sedimentary Geology and Tethyan Geology,2009,29(1):5-7.
[4]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):15-22.Jin Zhijun.Particularity of petroleum exploration on marine carbonate in China sedimentary basins[J].Earth Science Frontiers,2005,12(3):15-22.
[5]祝靓谊.油气勘探综合地球物理研究方法综述[J].地球物理学进展,2003,18(1):19-23.Zhu Jingyi.Overview of integrated geophysics of oil&gas exploration[J].Progress in Geophysics,2003,18(1):19-23.
[6]贾进斗,孔繁恕.不同油气勘探阶段的非地震勘探技术[J].石油地球物理勘探,2001,36(4):444-450,479.Jia Jindou,Kong Fanshu.Non-seismic exploration techniques aimed at different oil-gas exploration stage[J].OGP,2001,36(4):444-450.
[7]于鹏,张罗磊,王家林,等.重磁电震资料联合反演黔中隆起物性结构[J].同济大学学报:自然科学版,2008,36(3):406-412.Yu Peng,Zhang Luolei,WangJialin,et al.Determination of physical property parameters structure in middle Guizhou uplift by jointinversion of magnetotelluric,seismic,gravity and magnetic data[J].Journal of Tongji University:Natural Science Edition,2008,36(3):406-412.
[8]郝天珧,杨长春,刘洪,等.环渤海地区前新生代油气资源的综合地质、地球物理研究[J].地球物理学进展,2007,22(4):1269-1279.Hao Tianyao,Yang Changchun,Liu Hong,et al.Integrated geological and geophysical study for pre-cenozoic hydrocarbon resourcesin the circum-bohai area[J].Progress in Geophysics,2007,22(3):1269-1279.
[9]王一新.石油综合地球物理方法与应用[M].北京:石油工业出版社,1995:17-27,44-77.Wang Yixin.Oil comprehensive geophysical method and application[M].Beijing:Petroleum Industrial Publishing House,1995:17-27,44-77.
[10]杨辉.综合地球物理联合反演综述[J].地球物理学进展,2002,17(2):262-271.Yang Hui.Overview of joint inversion of integrated geophysics[J].Progress in Geophysics,2002,12(2):262-271.
[11]Bosch M,Mc Gaughey J.Joint inversion of gravity and magnetic data under lithologic constraints[J].The Leading Edge,2001,20(8):877-881.
[12]Larry R L,Alton K S,Sven Treitel.Cooperative inversion of geophysical data[J].Geophysics,1988,53(1):8-20.
[13]姜超,梁力,卢亚析,等.断裂在贝尔凹陷油运聚成藏中作用[J].大庆石油学院学报,2012,36(2):58-64.Jiang Chao,Liang Li,Lu Yaxi,et al.Effects of faults on oil migration and accumulation in Beier depression[J].Journal of DaqingPetroleum Institute,2012,36(2):58-64.
[14]高君,吕延防,田庆丰.断裂带内部结构与油气运移及封闭[J].大庆石油学院学报,2007,31(2):4-7.Gao Jun,Lv Yanfang,Tian Qingfeng.Analysis of hydrocarbon migration through the fault based on the interior structure of faultzone[J].Journal of Daqing Petroleum Institute,2007,31(2):4-7.
[15]王家林,王一新,万明浩.石油重磁解释[M].北京:石油工业出版社,1991:180,282-287.Wang Jialin,Wang Yixin,Wan Minghao.Oil&gas magnetic explanation[M].Beijing:Petroleum Industrial Publishing House,1991:180,282-287.
[16]张娣,李嵘,杨平,等.雪峰山西侧地区下古生界海相白云岩储层的成岩作用[J].地质通报,2012,31(2):1862-1871.Zhang Di,Li Rong,Yang Ping,et al.Digenetic analysis of the lower Paleozoic dolomite reservoirs on the western side of the Xuefengmountain[J].Geological Bulletin of China,2012,31(11):1862-1871.
[17]陈洪德,庞林,倪新锋,等.中上扬子地区海相油气勘探前景[J].石油实验地质,2007,29(1):13-18.Chen Hongde,Pang Lin,Ni Xinfeng.et al.New brief remarks on hydrocarbon prospecting of marine strata in the middle and upperYangtze region[J].Petroleum Geology&Experiment,2007,29(1):13-18.
[18]赵宗举,冯加良,陈学时,等.湖南慈利灯影组古油藏的发现及意义[J].石油与天然气地质,2001,22(2):114-118.Zhao Zongju,Feng Jialiang,Chen Xueshi,et al.Discovery of Dengying formation fossil pool in Cili,Hunan and its significance[J].Oil&Gas Geology,2001,22(2):114-118.
[19]李旭兵,刘安,危凯,等.雪峰山西侧地区震旦系灯影组碳酸盐岩储集特征及分布[J].地质通报,2012,31(11):1872-1877.Li Xubing,Liu An,Wei Kai,et al.Reservoir characteristics and distribution characteristics of the carbonate in Dengying formationon the western side of the Xuefeng mountains[J].Geological Bulletin of China,2012,31(11):1872-1877.
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