塔里木盆地地震剖面地质解释及其构造演化
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摘要
从地震剖面显示塔里木盆地发育为手风琴式演化史,大体上形成三层"断-坳"结构:(l)震旦系的"断",古生界—三叠系的"坳";(2)侏罗系的"断",白垩系的"坳";(3)古近系的"断",新近系的"坳"。断陷与坳陷分别由拉张与挤压应力场所致,这种应力场的变化是由相邻洋壳板块俯冲倾角由小到大的变化所引起的。由于地壳的多旋回运动,多次发生构造沉积演变,构成了多套生储盖组合,多领域、多种圈闭类型的油气藏,从震旦系—古生界—中生界—新生界,各断陷-坳陷结构的盆地都具有可能形成油气藏的地质条件。
Seismic Profile shows that the Tarim Basin has experienced a violin -style evolutionary process,which has led to the formation of the three -layer(fault subsidence -depression " structure:(1) Sinian "fault subsidence" and Paleozoic -Triassic "depression";(2) Jurassic "fault subsidence" and Cretaceous "depression";(3) Paleogene "fault subsidence" and Neogene "depression".The fault subsidence and the depression resulted respectively from the pull-apart and the squeezing stress field,and the variation of such a stress field was caused by the subduction dip angle variation of the neighboring ocean crust plate from small to large.The polycyclic movement of the earth's crust led to the repeated tectonic-sedimentary evolution and produced quite a few oil-generating-oil-bearing-covering assemblages which formed oil-gas accumulations characterized by varied fields and varieties of trap styles.From Sinian through Paleozoic,Mesozoic to Cenozoic,basins with the fault subsidence-depression" structure were all likely to have geological conditions favorable for the formation of oil-gas accumulations.
Seismic Profile shows that the Tarim Basin has experienced a violin -style evolutionary process,which has led to the formation of the three -layer(fault subsidence -depression " structure:(1) Sinian "fault subsidence" and Paleozoic -Triassic "depression";(2) Jurassic "fault subsidence" and Cretaceous "depression";(3) Paleogene "fault subsidence" and Neogene "depression".The fault subsidence and the depression resulted respectively from the pull-apart and the squeezing stress field,and the variation of such a stress field was caused by the subduction dip angle variation of the neighboring ocean crust plate from small to large.The polycyclic movement of the earth's crust led to the repeated tectonic-sedimentary evolution and produced quite a few oil-generating-oil-bearing-covering assemblages which formed oil-gas accumulations characterized by varied fields and varieties of trap styles.From Sinian through Paleozoic,Mesozoic to Cenozoic,basins with the fault subsidence-depression" structure were all likely to have geological conditions favorable for the formation of oil-gas accumulations.
引文
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探地质研究院(内部报告),1994.
柴桂林,夏义平.塔里木盆地地质构造特征及勘探方向.“七·五”国家重点科技攻关项目成果报告(54-03-07-01).中国石油天然气总公司石油地球物理勘探局第三地质调查处.1990.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探地质研究院(内部报告),1994.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探地质研究院(内部报告),1994.
李洪革.塔里木地区地震地质基准剖面编制及盆地地质结构研究.中国石油天然气集团公司、塔里木石油勘探开发指挥部、石油地球物理勘探局研究院地质研究中心,1999.
李洪革.塔里木地区地震地质基准剖面编制及盆地地质结构研究.中国石油天然气集团公司、塔里木石油勘探开发指挥部、石油地球物理勘探局研究院地质研究中心,1999.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探局地质研究院,1994.
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潘良云,田兵,刘彩芹,等.塔西南坳陷构造特征综合研究及勘探目标选择与评价.石油地球物理勘探局研究院地质中心,2006.
柴桂林,夏义平.塔里木盆地地质构造特征及勘探方向."七五"国家重点科技攻关项目成果报告(54-03-07-01).中国石油天然气总公司、石油地球物理勘探局第三地质调查处,1990.
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[5]蔡希源,王根海,迟元林,等.中国油区反转构造[M].北京:石油工业出版社,2001.Cai Xiyuan,Wang Genghai,Chi Yuanlin,et al.Reversal Structure of Oil Area in China[M].Beijing:Petroleum Industry Press,2001(in Chinese).
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柴桂林,夏义平.塔里木盆地地质构造特征及勘探方向.“七·五”国家重点科技攻关项目成果报告(54-03-07-01).中国石油天然气总公司石油地球物理勘探局第三地质调查处.1990.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探地质研究院(内部报告),1994.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探地质研究院(内部报告),1994.
李洪革.塔里木地区地震地质基准剖面编制及盆地地质结构研究.中国石油天然气集团公司、塔里木石油勘探开发指挥部、石油地球物理勘探局研究院地质研究中心,1999.
李洪革.塔里木地区地震地质基准剖面编制及盆地地质结构研究.中国石油天然气集团公司、塔里木石油勘探开发指挥部、石油地球物理勘探局研究院地质研究中心,1999.
高增海,刘德玉,张群伟,等.塔里木盆地地震构造特征及构造演化.石油物探局地质研究院,1994.
潘良云,田兵,刘彩芹,等.塔西南坳陷构造特征综合研究及勘探目标选择评价.中国石油天然气股份有限公司、塔里木油田分公司勘探事业部、石油地球物理勘探局研究院地研中心,2002.
潘良云,田兵,刘彩芹,等.塔西南坳陷构造特征综合研究及勘探目标选择与评价.石油地球物理勘探局研究院地质中心,2006.
柴桂林,夏义平.塔里木盆地地质构造特征及勘探方向."七五"国家重点科技攻关项目成果报告(54-03-07-01).中国石油天然气总公司、石油地球物理勘探局第三地质调查处,1990.
[1]杨克绳.从地震信息看中国东、中、西部沉积盆地构造演化动力学与断块油气藏[J].海相油气地质,l998,2(4):37-50.Yang Kesheng.Basin evolution and faulted block oil&gas pools in middle and western parts of China,shown by seismic information[J].Marine Origin Petroleum Geology,1998,2(4):37-50(in Chinese with English abstract).
[2]杨克绳.利用地震剖面分析中国陆盆演化与构造[J].地球物理学报,1994,37(增刊II):82-98.Yang Kesheng.Analysing the evolution and structures of Chinese continental basins by seismic sections[J].Acta Geophysica Sinica,37(Supp.II):82-98(in Chinese with English abstract).
[3]金性春.板块构造学基础[M].上海:上海科学技术出版社,1984:240-243.Jin Xingchun.Foundation of Plate-tectonics[M].Shanghai:Shanghai Scientific&Technical Publishing House,1984:240-243(in Chinese).
[4]霍永录,谭试典.酒泉盆地陆相石油地质特征及勘探实践[M].石油工业出版社,1995:5-18.Huo Yonglu,Tan Shidian.Geological Feature and Prospecting Practice on Continental Facies Petroleum in Jiuquan Basin[M].Beijing:Petroleum Industry Press,1995:5-18(in Chinese).
[5]蔡希源,王根海,迟元林,等.中国油区反转构造[M].北京:石油工业出版社,2001.Cai Xiyuan,Wang Genghai,Chi Yuanlin,et al.Reversal Structure of Oil Area in China[M].Beijing:Petroleum Industry Press,2001(in Chinese).
[6]戴福贵,刘宝睿,杨克绳.华北盆地地震剖面地质解释及其构造演化[J].中国地质,2008,35(5):820-840.Dai Fugui,Liu Baorui,Yang Kesheng.Geological interpretation of seismic sections and tectonic evolution of the North China basin[J].Geology in China,2008,35(5):820-840(in Chinese with English abstract).
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