三维地震资料在古应力场反演和裂缝预测中的应用——以胜利油田富台潜山为例
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摘要
针对古构造应力场反演计算中建立“古构造模型”和“约束条件”时所存在的问题,本文提出了应用三维地震资料进行古构造应力场反演的思路和方法,并以富台潜山为例,阐述了如何用三维地震资料来解决古构造应力场研究的“定时”、“定向”和“定量”问题。胜利油田富台潜山研究的实践表明:三维地震资料可以用来较好地解决古构造应力场研究中的“三定”问题,其结果的可靠性总体可以得到保障。因此,据于三维地震资料精细解释而进行的古应力场数值反演是古应力场研究的有效途径,同时也为裂缝的预测提供了基础。
In view of problems existing in “paleo-structure model” and “constraint condition” on paleo-tectonic stress field backward computation, ideas and methods which applied 3D seismic data to deal with paleo-tectonic stress field backward computation were proposed, and it was elaborated how used 3D seismic data to solve “timing”, “orientation” and “quantity” in paleo-tectonic stress field study in this paper. A case study on the Futai buried hill, Shengli Oilfield, indicated that the application of 3D seismic data might be relatively useful to solve “three determination” problems in paleo-tectonic stress field study , and the obtained results be of reliability. The results were as follows. 1)There were two episodes of structural deformation, namely, thrusting-folding in the Yanshanian orogeny during which the majority of fractures created, and extension-normal faulting in the Himalayan movement. 2)There were 5 types of structural trackway, namely, the main thrust, branch thrust fault, common thrust, fault propagation fold axis, and transfer faults, could be used to determine the principle stress direction of the Yan￣shanian orogeny, and their results were highly consistent. 3) On basis of fine interpretation of the 3D seismic data, the key problems existing in “paleo-structure model” and “constraint condition” on paleo-tectonic stress field could be solved. Therefore, paleo-tectonic stress field backward computation, which was an effective way in paleo-tectonic stress field study, could be applied validly, meanwhile, it also provided the foundation for the fissures' prediction.
In view of problems existing in “paleo-structure model” and “constraint condition” on paleo-tectonic stress field backward computation, ideas and methods which applied 3D seismic data to deal with paleo-tectonic stress field backward computation were proposed, and it was elaborated how used 3D seismic data to solve “timing”, “orientation” and “quantity” in paleo-tectonic stress field study in this paper. A case study on the Futai buried hill, Shengli Oilfield, indicated that the application of 3D seismic data might be relatively useful to solve “three determination” problems in paleo-tectonic stress field study , and the obtained results be of reliability. The results were as follows. 1)There were two episodes of structural deformation, namely, thrusting-folding in the Yanshanian orogeny during which the majority of fractures created, and extension-normal faulting in the Himalayan movement. 2)There were 5 types of structural trackway, namely, the main thrust, branch thrust fault, common thrust, fault propagation fold axis, and transfer faults, could be used to determine the principle stress direction of the Yan￣shanian orogeny, and their results were highly consistent. 3) On basis of fine interpretation of the 3D seismic data, the key problems existing in “paleo-structure model” and “constraint condition” on paleo-tectonic stress field could be solved. Therefore, paleo-tectonic stress field backward computation, which was an effective way in paleo-tectonic stress field study, could be applied validly, meanwhile, it also provided the foundation for the fissures' prediction.
引文
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刘震,戴立昌,赵阳,许晓明,张善文,蔡进功.2005.济阳坳陷地温—地压系统特征及其对油气藏分布的控制作用.地质科学,40(1):1—15.Liu Zhen,Dai Lichang,Zhao Yang,Xu Xiaoming,Zhang Shanwen and Cai Jingong.2005.Characteristics of geotemperature-pressure systems and their controlling functions on pools’distribution in the Jiyang Depression.Chinese Jour.Geol.,40(1):1—15.
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秦启荣,张烈辉,邓辉,苏培东,王振宇.2004.古构造应力量值确定及其在构造地质建模中的应用.岩石力学与工程学报,23(23):3979—3983.Qin Qirong,Zhang Liehui,Deng Hui,Su Peidong and Wang Zhenyu.2004.Determination of magnitude of palaeo-tectonistress and application to tectonic geological modeling.Chinese Journal ofRock Mechanics and Engineering,23(23)3979—3983.
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宋惠珍.1999.脆性岩储层裂缝定量预测的尝试.地质力学学报,5(1):76—84.Song Huizhen.1999.An attempt of quantitative prediction of natural crack on brittle rock reservoir.Journal ofGeomechanics,5(1):76—84.
单业华,葛维萍.2001.储层天然裂缝形成机制的初步研究——以静北潜山油藏为例.石油实验地质,23(4):457—464.Shan Yehua and Ge Weiping.2001.Apreliminary study on the formation mechanisms of natural fractures in reservoirs:an ex-ample from Jingbei buried-hill pool,north of central Liaoning province.Petroleum Geologyand Experiment,23(4):457—464.
谭成轩,王连捷.1999.三维构造应力场数值模拟在含油气盆地构造裂缝分析中应用初探.地球学报,20(4):392—394.Tan Chengxuan and Wang Lianjie.1999.An approach to the application of3D tectonic stress field numerical simulation instructural fissure analysis of the oil gas bearing basin.Acta Geoscientia Sinica,20(4):392—394.
童亨茂.2004.储层裂缝描述与预测研究进展.新疆石油学院学报,16(2):9—14.Tong Hengmao.2004.Advance of description and prediction of reservoir fractures networks.Journal ofXinjiang Petroleum In-stitute,16(2):9—14.
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于建国,李三忠,王金铎,王新红,路慎强.2005.东营凹陷盐底辟作用与中央隆起带断裂构造成因.地质科学,40(1)55—68.Yu Jianguo,Li Sanzhong,Wang Jinduo,Wang Xinhong and Lu Shenqiang.2005.Salt diapirism and faulting of the centraluplift belt in the Dongying Sag,Bohai Bay Basin,North China.Chinese Jour.Geol.,40(1):55—68.
张云峰,李忠,王清晨,孔庆友.2005.鲁西隆起区奥陶系碳酸盐岩成岩作用及其对储集性的控制作用.地质科学,40(2):207—219.Zhang Yunfeng,Li Zhong,Wang Qingchen and Kong Qingyou.2005.Diagenesis and its role on the reservoir of Ordoviciancarbonate rocks in the West Shandong Rise.Chinese Jour.Geol.,40(2):207—219.
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丁中一,钱祥麟,霍红,杨友卿.1998.构造裂缝定量预测的一种新方法——二元法.石油与天然气地质,19(1):1—8.Ding Zhongyi,Qian Xianglin,Huo Hong and Yang Youqing.1998.A new method of quantitative prediction of tectonic frac-tures—Two factor method.Oil&Gas Geology,19(1):1—8.
韩润生,刘丛强,马德云,王红才,马更生.2003.易门式大型铜矿床构造成矿动力学模型.地质科学,38(2):200—213.Han Runsheng,Liu Congqiang,Ma Deyun,Wang Hongcai and Ma Gengsheng.2003.A model for dynamics of tectonic ore-forming processes for the large Yimen-type copper deposits,Yunnan.Chinese Jour.Geol.,38(2):200—213.
李德同,文世鹏.1996.储层构造裂缝的定量描述和预测方法.石油大学学报,20(4):6—10.Li Detong and Wen Shipeng.1996.Quantitative description and prediction method of tectonic reservoir fractures.Journal ofUniversity ofPetroleum,20(4):6—10.
刘德良,杨强,吴小奇,李振生.2006.郯庐断裂安徽段桴槎山韧性剪切带的形成时限初探.地质科学,41(2):333—343.Liu Deliang,Yang Qiang,Wu Xiaoqi and Li Zhensheng.2006.Duration of structural deformation of ductile shear zone in Fu-chashan Hill,Anhui sector of the Tan-Lu fault.Chinese Jour.Geol.,41(2):333—343.
刘震,戴立昌,赵阳,许晓明,张善文,蔡进功.2005.济阳坳陷地温—地压系统特征及其对油气藏分布的控制作用.地质科学,40(1):1—15.Liu Zhen,Dai Lichang,Zhao Yang,Xu Xiaoming,Zhang Shanwen and Cai Jingong.2005.Characteristics of geotemperature-pressure systems and their controlling functions on pools’distribution in the Jiyang Depression.Chinese Jour.Geol.,40(1):1—15.
彭仕宓.1998.油藏开发地质学.北京:石油工业出版社.189.Peng Shimi.1998.Reservoir Development Geology.Beijing:Petroleum Industry Press.189.
秦启荣,张烈辉,邓辉,苏培东,王振宇.2004.古构造应力量值确定及其在构造地质建模中的应用.岩石力学与工程学报,23(23):3979—3983.Qin Qirong,Zhang Liehui,Deng Hui,Su Peidong and Wang Zhenyu.2004.Determination of magnitude of palaeo-tectonistress and application to tectonic geological modeling.Chinese Journal ofRock Mechanics and Engineering,23(23)3979—3983.
邱隆伟,王兴谋.2006.济阳坳陷断裂活动和CO2气藏的关系研究.地质科学,41(3):430—440.Qiu Longwei and Wang Xingmou.2006.A study on relationship between fault activity and CO2pools in the Jiyang Depres-sion.Chinese Jour.Geol.,41(3):430—440.
宋惠珍.1999.脆性岩储层裂缝定量预测的尝试.地质力学学报,5(1):76—84.Song Huizhen.1999.An attempt of quantitative prediction of natural crack on brittle rock reservoir.Journal ofGeomechanics,5(1):76—84.
单业华,葛维萍.2001.储层天然裂缝形成机制的初步研究——以静北潜山油藏为例.石油实验地质,23(4):457—464.Shan Yehua and Ge Weiping.2001.Apreliminary study on the formation mechanisms of natural fractures in reservoirs:an ex-ample from Jingbei buried-hill pool,north of central Liaoning province.Petroleum Geologyand Experiment,23(4):457—464.
谭成轩,王连捷.1999.三维构造应力场数值模拟在含油气盆地构造裂缝分析中应用初探.地球学报,20(4):392—394.Tan Chengxuan and Wang Lianjie.1999.An approach to the application of3D tectonic stress field numerical simulation instructural fissure analysis of the oil gas bearing basin.Acta Geoscientia Sinica,20(4):392—394.
童亨茂.2004.储层裂缝描述与预测研究进展.新疆石油学院学报,16(2):9—14.Tong Hengmao.2004.Advance of description and prediction of reservoir fractures networks.Journal ofXinjiang Petroleum In-stitute,16(2):9—14.
童亨茂,钱祥麟.1995.吐—哈盆地丘陵油田构造裂缝定量预测探讨.高校地质学报,1(2):88—94.Tong Hengmao and Qian Xianglin.1995.Quantitative tectonic fractures prediction of Qiulin oil field,Tuha basin.GeologicalJournal ofChina Universities,1(2):88—94.
万天丰.1986.古构造应力场.北京:地质出版社.156.Wan Tianfeng.1986.Paleotectonic Stress Field.Beijing:Geological Publ.House.156.
王红才,王薇,王连捷,孙宝珊,夏柏如.2002.油田三维构造应力场数值模拟与油气运移.地球学报,23(2):175—178.Wang Hongcai,Wang Wei,Wang Lianjie,Sun Baoshan and Xia Boru.2002.Three dimensional tectonic stress field and mi-gration of oil and gas in Tanhai.Acta Geoscientia Sinica,23(2):175—178.
于建国,李三忠,王金铎,王新红,路慎强.2005.东营凹陷盐底辟作用与中央隆起带断裂构造成因.地质科学,40(1)55—68.Yu Jianguo,Li Sanzhong,Wang Jinduo,Wang Xinhong and Lu Shenqiang.2005.Salt diapirism and faulting of the centraluplift belt in the Dongying Sag,Bohai Bay Basin,North China.Chinese Jour.Geol.,40(1):55—68.
张云峰,李忠,王清晨,孔庆友.2005.鲁西隆起区奥陶系碳酸盐岩成岩作用及其对储集性的控制作用.地质科学,40(2):207—219.Zhang Yunfeng,Li Zhong,Wang Qingchen and Kong Qingyou.2005.Diagenesis and its role on the reservoir of Ordoviciancarbonate rocks in the West Shandong Rise.Chinese Jour.Geol.,40(2):207—219.
张云峰,王清晨,李忠.2006.鲁西地区奥陶系碳酸盐岩储集特征及主控因素.地质科学,41(1):143—151.Zhang Yunfeng,Wang Qingchen and Li Zhong.2006.Reservoir characters and key controlling factors of the Ordovician car-bonate rocks in western Shandong.Chinese Jour.Geol.,41(1):143—151.
张仲培,王清晨.2004a.断层滑动分析与古应力恢复研究综述.地球科学进展,19(4):605—613.Zhang Zhongpei and Wang Qingchen.2004a.The summary and comment on fault-slip analysis and paleostress reconstruction.Advances in Earth Science,19(4):605—613.
张仲培,林伟,郭宏,宋文杰,王清晨.2004b.库车坳陷第三纪断层滑动分析与古构造应力恢复.地质科学,39(4):496—506.Zhang Zhongpei,Lin Wei,Guo Hong,Song Wenjie and Wang Qingchen.2004b.Tertiary fault-slip analysis and paleostressreconstruction of the Kuqa Depression,North Tarim Basin.Chinese Jour.Geol.,39(4):496—506.
张克鑫,漆家福,林会喜.2006.济阳地区埕岛—垦东构造带中生代的逆冲断层及其与郯庐断裂带的关系.地质科学,41(2):270—277.Zhang Kexin,Qi Jiafu and Lin Huixi.2006.Mesozoic thrusting of the Chengdao-Kendong structural belt and its relation to theTan-Lu fault zone in Jiyang area.Chinese Jour.Geol.,41(2):270—277.
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