塔中54—塔中16井区良里塔格组裂缝定量化预测及发育规律
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摘要
运用断面脱空理论与断层相关裂缝定量描述技术(VSD),以三维地震资料的地质构造精细解释为基础,对塔中54—塔中16井区上奥陶统良里塔格组断层相关的裂缝发育、分布特征进行了定量计算与预测,并以塔中823井为例较为详细地介绍了VSD计算的步骤及成果展示。研究结果表明:塔中54—塔中16井区总体上位于宽缓构造带,有效裂缝主要为断层相关裂缝,集中于断层附近,因牵引作用而造成该地区强烈褶曲形变。VSD计算结果得到了测井反演及岩心等资料的验证,表明VSD技术较为准确地预测了该区构造裂缝的发育分布情况,从而为后续勘探、开发、部署提供了依据。
In this paper, based on the 3-D seismic data in the Tazhong 54-Tazhong 16 well area, by means of fault detachment theory and its derived Void Space Description ( referred to as VSD hereafter for short) technique, the authors carry out quantitatively calculation and prediction on development and distribution characteristics of the fault-related fractures in the Lianglitage Formation in the study area, meanwhile, taking well TZ 823 as an example, we introduced and exhibited the procedures to operate the VSD technique and related outcome maps. The results show that, in the Tazhong 54-Tazhong 16 well area, the effective fractures are primarily fault-related ones and they are chiefly distributed along fault planes with strong folding-shaped deformation and drag structures. Alternately, the dual lateral log interpretation of fracture parameters , cores and well testing data support the VSD results, thus, it tends to suggest that the fault detachment theory and VSD technique could be a powerful tool to predict the distribution of structural fractures. These initial efforts may provide us data for further exploration activities and wells deployment.
In this paper, based on the 3-D seismic data in the Tazhong 54-Tazhong 16 well area, by means of fault detachment theory and its derived Void Space Description ( referred to as VSD hereafter for short) technique, the authors carry out quantitatively calculation and prediction on development and distribution characteristics of the fault-related fractures in the Lianglitage Formation in the study area, meanwhile, taking well TZ 823 as an example, we introduced and exhibited the procedures to operate the VSD technique and related outcome maps. The results show that, in the Tazhong 54-Tazhong 16 well area, the effective fractures are primarily fault-related ones and they are chiefly distributed along fault planes with strong folding-shaped deformation and drag structures. Alternately, the dual lateral log interpretation of fracture parameters , cores and well testing data support the VSD results, thus, it tends to suggest that the fault detachment theory and VSD technique could be a powerful tool to predict the distribution of structural fractures. These initial efforts may provide us data for further exploration activities and wells deployment.
引文
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韩剑发,梅廉夫,潘文庆,祁兴中,沈传波.2007a.复杂碳酸盐岩油气藏建模及储量计算方法:以潜山油气储量计算为例.地球科学,32(2) :267-272． Han Jianfa,Mei Lianfu,Pan Wenqing,Qi Xingzhong and Shen Chuanbo.2007a.Complex carbonate hydrocarbon reservoir modeling and reserve calculating:Taking the buried carbonate hill oil-gas pool reserve calculation as an example.Earth Science,32(2) :267-272．
韩剑发,梅廉夫,杨海军,邬光辉,徐志明,朱光有.2007b.塔里木盆地塔中地区奥陶系碳酸盐岩礁滩复合体油气来源与运聚成藏研究.天然气地球科学,18(3) :426-434． Han Jianfa,Mei Lianfu,Yang Haijun,Wu Guanghui,Xu Zhiming and Zhu Guangyou.2007b.The study of hydrocarbon origin,transport and accumulation in Tazhong area,Tarim Basin.Natural Gas Geoscience,18(3) :426-434．
李善军,汪涵明,肖承文,吴远东.1997． 碳酸盐岩地层中裂缝孔隙度的定量解释.测井技术,21(3) :205-214． Li Shanjun,Wang Hanming,Xiao Chengwen and Wu Yuandong.1997． Quantitative interpretation of fracture porosity in carbonates.Well Logging Technology,21(3) :205-214．
梁狄刚.1999． 塔里木盆地九年油气勘探历程与回顾(续).中国石油勘探,4(1) :56-61． Liang Digang.1999． Course and review of nine-year petroleum exploration in the Tarim Basin.China Petroleum Exploration,4(1) :56-61．
王嗣敏,吕修祥.2004． 塔中地区奥陶系碳酸盐岩储层特征及其油气意义.西安石油大学学报(自然科学版),19(4) :72-76． Wang Simin and Lü Xiuxiang.2004． Features and petroleum significance of Ordovician carbonate reservoir in Tazhong area,Talimu Basin.Journal of Xi'an Shiyou University(Natural Science),19(4) :72-76．
王招明.2004． 塔里木盆地油气勘探与实践.北京:石油工业出版社.1-166． Wang Zhaoming.2004． Petroleum Exploration and Practices in Tarim Basin.Beijing:Petroleum Industry Press.1-166．
王招明,张丽娟,王振宇,韩剑发,刘运宏,沈安江.2007塔里木盆地奥陶系礁滩体特征与油气勘探.中国石油勘探,12(6) :1-8．Wang Zhaoming,Zhang Lijuan,Wang Zhenyu,Han Jianfa,Liu Yunhong and Shen Anjiang.2007． Features of Ordovician reef beach and exploration activities in Tarim Basin.China Petroleum Exploration,12(6) :1-8．
邬光辉,李启明,张宝收,董立胜,张亚光,张欢庆.2005． 塔中Ⅰ号断裂坡折带构造特征及勘探领域.石油学报,26(1) :27-30．Wu Guanghui,Li Qiming,Zhang Baoshou,Dong Lisheng,Zhang Yaguang and Zhang Huanqing.2005． Structural characteristics and exploration fields of No.1 faulted slope break in Tazhong area.Acta Petrolei Sinica,26(1) :27-30．
邬光辉,岳国林,师骏,黄广建,胡太平.2006． 塔中奥陶系碳酸盐岩裂缝连通性分析及其意义.中国西部油气地质,2(2) :156-159． Wu Guanghui,Yue Guolin,Shi Jun,Huang Guangjian and Hu Taiping.2006． Analysis of connectivity of fractures of Ordovician carbonates and its implication in central Tarim Basin.West China Petroleum Geosciences,2(2) :156-159．
徐国强,刘树根,李国蓉,武恒志,闫相宾.2005． 塔中、塔北古隆起形成演化及油气地质条件对比.石油与天然气地质,26(1) :114-119．Xu Guoqiang,Liu Shugen,Li Guorong,Wu Hengzhi and Yan Xiangbin.2005． Comparison of tectonic evolutions and petroleum geological conditions in Tazhong and Tabei palaeohighs in Tarim Basin.Oil & Gas Geology,26(1) :114-119．
徐国强,刘树根,Yang Qinming,李国蓉.2006． 断层相关裂隙的一种定量计算方法.地质学报,80(2) :192-195． Xu Guoqiang,Liu Shugen,Yang Qinming and Li Guorong.2006． A new method for quantitative calculating of fault fractured pore space.Acta Geologica Sinica,80(2) :192-195．
杨茂康.1988． 川南阳新统中小型断层与张开缝发育程度的关系.天然气工业,8(1) :34-39． Yang Maokang.1988． Relationship between the medium/small fault and the degree of development of opened fractures in Yangxin limestone in south Sichuan.Natural Gas Industry,8(1) :34-39．
岳宏,陈更生.1995． 川西南地区二叠系阳新统气藏储渗空间主控因素分析及缝洞分布规律研究.天然气地球科学,6(5) :8-12． Yue Hong and Chen Gengsheng.1995． Study on the key factor controlling the reservoir-permeability space and the distribution pattern of fractured-vuggy systems in Yangxin series in south Sichuan Basin.Natural Gas Geoscience,6(5) :8-12．
韩剑发,梅廉夫,潘文庆,祁兴中,沈传波.2007a.复杂碳酸盐岩油气藏建模及储量计算方法:以潜山油气储量计算为例.地球科学,32(2) :267-272． Han Jianfa,Mei Lianfu,Pan Wenqing,Qi Xingzhong and Shen Chuanbo.2007a.Complex carbonate hydrocarbon reservoir modeling and reserve calculating:Taking the buried carbonate hill oil-gas pool reserve calculation as an example.Earth Science,32(2) :267-272．
韩剑发,梅廉夫,杨海军,邬光辉,徐志明,朱光有.2007b.塔里木盆地塔中地区奥陶系碳酸盐岩礁滩复合体油气来源与运聚成藏研究.天然气地球科学,18(3) :426-434． Han Jianfa,Mei Lianfu,Yang Haijun,Wu Guanghui,Xu Zhiming and Zhu Guangyou.2007b.The study of hydrocarbon origin,transport and accumulation in Tazhong area,Tarim Basin.Natural Gas Geoscience,18(3) :426-434．
李善军,汪涵明,肖承文,吴远东.1997． 碳酸盐岩地层中裂缝孔隙度的定量解释.测井技术,21(3) :205-214． Li Shanjun,Wang Hanming,Xiao Chengwen and Wu Yuandong.1997． Quantitative interpretation of fracture porosity in carbonates.Well Logging Technology,21(3) :205-214．
梁狄刚.1999． 塔里木盆地九年油气勘探历程与回顾(续).中国石油勘探,4(1) :56-61． Liang Digang.1999． Course and review of nine-year petroleum exploration in the Tarim Basin.China Petroleum Exploration,4(1) :56-61．
王嗣敏,吕修祥.2004． 塔中地区奥陶系碳酸盐岩储层特征及其油气意义.西安石油大学学报(自然科学版),19(4) :72-76． Wang Simin and Lü Xiuxiang.2004． Features and petroleum significance of Ordovician carbonate reservoir in Tazhong area,Talimu Basin.Journal of Xi'an Shiyou University(Natural Science),19(4) :72-76．
王招明.2004． 塔里木盆地油气勘探与实践.北京:石油工业出版社.1-166． Wang Zhaoming.2004． Petroleum Exploration and Practices in Tarim Basin.Beijing:Petroleum Industry Press.1-166．
王招明,张丽娟,王振宇,韩剑发,刘运宏,沈安江.2007塔里木盆地奥陶系礁滩体特征与油气勘探.中国石油勘探,12(6) :1-8．Wang Zhaoming,Zhang Lijuan,Wang Zhenyu,Han Jianfa,Liu Yunhong and Shen Anjiang.2007． Features of Ordovician reef beach and exploration activities in Tarim Basin.China Petroleum Exploration,12(6) :1-8．
邬光辉,李启明,张宝收,董立胜,张亚光,张欢庆.2005． 塔中Ⅰ号断裂坡折带构造特征及勘探领域.石油学报,26(1) :27-30．Wu Guanghui,Li Qiming,Zhang Baoshou,Dong Lisheng,Zhang Yaguang and Zhang Huanqing.2005． Structural characteristics and exploration fields of No.1 faulted slope break in Tazhong area.Acta Petrolei Sinica,26(1) :27-30．
邬光辉,岳国林,师骏,黄广建,胡太平.2006． 塔中奥陶系碳酸盐岩裂缝连通性分析及其意义.中国西部油气地质,2(2) :156-159． Wu Guanghui,Yue Guolin,Shi Jun,Huang Guangjian and Hu Taiping.2006． Analysis of connectivity of fractures of Ordovician carbonates and its implication in central Tarim Basin.West China Petroleum Geosciences,2(2) :156-159．
徐国强,刘树根,李国蓉,武恒志,闫相宾.2005． 塔中、塔北古隆起形成演化及油气地质条件对比.石油与天然气地质,26(1) :114-119．Xu Guoqiang,Liu Shugen,Li Guorong,Wu Hengzhi and Yan Xiangbin.2005． Comparison of tectonic evolutions and petroleum geological conditions in Tazhong and Tabei palaeohighs in Tarim Basin.Oil & Gas Geology,26(1) :114-119．
徐国强,刘树根,Yang Qinming,李国蓉.2006． 断层相关裂隙的一种定量计算方法.地质学报,80(2) :192-195． Xu Guoqiang,Liu Shugen,Yang Qinming and Li Guorong.2006． A new method for quantitative calculating of fault fractured pore space.Acta Geologica Sinica,80(2) :192-195．
杨茂康.1988． 川南阳新统中小型断层与张开缝发育程度的关系.天然气工业,8(1) :34-39． Yang Maokang.1988． Relationship between the medium/small fault and the degree of development of opened fractures in Yangxin limestone in south Sichuan.Natural Gas Industry,8(1) :34-39．
岳宏,陈更生.1995． 川西南地区二叠系阳新统气藏储渗空间主控因素分析及缝洞分布规律研究.天然气地球科学,6(5) :8-12． Yue Hong and Chen Gengsheng.1995． Study on the key factor controlling the reservoir-permeability space and the distribution pattern of fractured-vuggy systems in Yangxin series in south Sichuan Basin.Natural Gas Geoscience,6(5) :8-12．
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