桑干河断陷构造特征及含油气远景
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摘要
桑干河断陷位于汾渭地堑北部,大同煤盆地的东侧。做为一个新生代伸展盆地,人们对其进行的油气勘探不多,且前期油气显示不佳。但是随时间的变迁,油气成生理论有了较大的发展,因此有必要结合现代油气成生理论对桑干河断陷的含油气性重新做出分析与评估。本文应用现代构造学理论、结合地震勘探及区域地质资料,对桑干河断陷进行了较精细的构造解析,分析认为桑干河断陷具有完备的圈闭及烃源岩,有良好的含油气性及勘探的潜能。
Sangganhe fault depression lies to the north of FenWei graben, on the east side of Datong coal basin. As a Cenozoic Basins, people’s oil and gas exploration is not much,and the shows of oil and gas is poor. But as time goes on, theory of hydrocarbon generation has made big progress, so combination of theory of hydrocarbon generation to start further analysis and evaluation for oil-bearing properties of Sangganhe is necessary. The article on the basis of the modern tectonic theory, combination of seismic exploration and district geological material for the detailed structural analysis of Sangganhe fault depression. According the analysis result, Sangganhe fault depression has intact traps and source rock,so it has good oil-bearing properties.
Sangganhe fault depression lies to the north of FenWei graben, on the east side of Datong coal basin. As a Cenozoic Basins, people’s oil and gas exploration is not much,and the shows of oil and gas is poor. But as time goes on, theory of hydrocarbon generation has made big progress, so combination of theory of hydrocarbon generation to start further analysis and evaluation for oil-bearing properties of Sangganhe is necessary. The article on the basis of the modern tectonic theory, combination of seismic exploration and district geological material for the detailed structural analysis of Sangganhe fault depression. According the analysis result, Sangganhe fault depression has intact traps and source rock,so it has good oil-bearing properties.
引文
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[2]王娜.构造体系对大同煤田的控煤作用初探[J].科学之友,2006:69-71.
[3]邢作云,赵斌,涂美义,邢集善.汾渭裂谷系与造山带耦合关系及其形成机制研究[J].地学前缘(中国地质大学,北京大学),2005,12(2):247-262.
[4]孙继敏,许立亮.汾渭地堑的河流阶地对第四纪时期印度-欧亚板块碰撞带的构造响应[J].第四纪研究,2007,27(1):20-26.
[5]杨巍然,隋志龙.Mats V D.俄罗斯贝加尔湖区伸展构造及与中国东部伸展构造对比[J].地球科学进展,2003,18(1):45-49.
[6]周玉琦,易容龙,舒文培,等.中国石油与天然气资源[M].北京:中国地质大学出版社,2002:168-206.
[7]山西省地质矿产局.中华人民共和国地质矿产部地质专报:山西省区域地质志[M].北京:地质出版社,1989.
[8]林永洲,韩云生,杨复兴.桑干河断陷石油普查阶段评价报告[R].山西省地质局(内部资料),1980.
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