OALib Journal期刊
ISSN: 2333-9721
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柴西地区构造样式与油气勘探领域
Keywords: 柴西地区,构造演化,构造样式,构造叠加样式,油气勘探领域
Abstract:
?文中通过大量地质剖面解释成果,厘清了柴达木盆地西部地区喜马拉雅运动各阶段构造变形模式和构造样式,分析认为柴达木盆地西部构造演化具有阶段性和层次性,不同阶段、不同的卷入深度形成了不同的构造样式及油气圈闭类型,在单一构造样式研究的基础上,总结和提炼了主要构造叠加样式,通过分析生、储、圈的配置关系,阐明了油气勘探领域,并得出以下认识:①柴西地区经历了早、中、晚期喜马拉雅运动多期构造运动,喜马拉雅运动早期以局部伸展运动为主,发育伸展构造样式;喜马拉雅运动中期以压扭作用为主,发育压扭构造样式;喜马拉雅运动晚期以水平挤压为主,发育多种断裂相关褶皱样式。②多次构造运动的叠加产生了8种构造叠加样式,其中反转构造+同沉积背斜+断层传播褶皱具备很好的石油地质条件,也是最为成熟的油气勘探领域,双重逆冲+生长三角带是阿尔金山前带构造+岩性勘探的理想场所,同沉积逆断层+单斜断块与同沉积逆断层+对冲三角构造是围绕昆北和阿尔金构造带扩大碎屑岩有利储集相带及地层岩性圈闭勘探的有利区带,同沉积逆断层+断层传播褶皱+突发构造与古隆起(斜坡)+断层传播褶皱+生长三角带分别对深层非常规储层(裂缝与次生孔隙)和中、浅层岩性勘探具有重要的现实意义。
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[6] | 戴俊生.柴达木盆地构造样式控油作用分析.石油实验地质,2000,22(2):122~124daijunsheng.analysisoncontroloftectonicstyletopetroleumintheqaidambasin.experimentalpetroleumgeology,2000,22(2):122~124
|
[7] | 陈世悦,徐凤银,彭德华.柴达木盆地基底构造特征及其控油意义.新疆石油地质,2000,21(3):1~7chenshiyue,xutengvin,pengdehua.characteristicsofbasementstructuresandtheircontrolsonhydrocarboninqaidambasin.xinjiangpetroleumgeolo-gy,2000,21(3):1~7
|
[8] | 范连顺,王明儒.柴达木盆地茫崖拗陷含油气系统及勘探方向.石油实验地质,1999,21(1):41~47fanlianshun,wangmmgru.petroleumsystemsandexplorationdirectionofthemangyadepressionintheqaidambasin.experimentalpetroleumgeology,1999,21(1)41~47
|
[9] | 汤良杰,金之钧,张明利等.柴达木盆地北缘构造演化与油气成藏阶段.石油勘探与开发,2000,27(2):36~39tangliangjie,jinzhijun,zhangmingiietal.tecton-icevolutionandoil(gas)pool-formingstageinnorthernqaidambasin.petroleumexplorationanddc-velopment,2000,27(2):36~39
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[10] | 郑孟林,曹春潮,李明杰等.阿尔金断裂带东南缘含油气盆地群的形成演化[j].地质论评.2003,49(3):277-
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[12] | 戴俊生,曹代勇.柴达木盆地新生代构造样式的演化.地质论评,2000,46(5):455~460daijunsheng,caodaiyong.evolutioncharacteristicsofcenozoicstructuralstyleintheqaidambasin.geologicalreview,2000,46(5):455~460
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