[1]梁顺军,段 杰,彭业君,等.逆冲断褶带大断层下盘层间褶皱特征及油气成藏——以库车克拉苏构造带和龙门山构造带北段油气勘探为例[J].复杂油气藏,2021,14(04):1-8.[doi:10.16181/j.cnki.fzyqc.2021.04.001]
 LIANG Shunjun,DUAN Jie,PENG Yejun,et al.Characteristics of interlayer folds and hydrocarbon accumulation under footwall of thrust fault-fold zones:a case study of hydrocarbon exploration in the Kuqa-kelasu thrust-and-fold belts and northern sections of Longmen Mountain[J].Complex Hydrocarbon Reservoirs,2021,14(04):1-8.[doi:10.16181/j.cnki.fzyqc.2021.04.001]
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逆冲断褶带大断层下盘层间褶皱特征及油气成藏——以库车克拉苏构造带和龙门山构造带北段油气勘探为例()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14卷
期数:
2021年04期
页码:
1-8
栏目:
油气勘探
出版日期:
2021-12-25

文章信息/Info

Title:
Characteristics of interlayer folds and hydrocarbon accumulation under footwall of thrust fault-fold zones:a case study of hydrocarbon exploration in the Kuqa-kelasu thrust-and-fold belts and northern sections of Longmen Mountain
作者:
梁顺军1段 杰1彭业君1邓绍强1王中海1吴育林1游李伟1杜均国2孙 甫1龚富华1
1.中国石油东方地球物理勘探公司西南物探研究院,四川 成都 610213;2.中国石油东方地球物理勘探公司西南物探分公司,四川 成都 610213
Author(s):
LIANG Shunjun1DUAN Jie 1PENG Yejun2DENG Shaoqiang1WANG Zhonghai1WU Yulin1YOU Liwei1 DU Junguo2SUN Fu1GONG Fuhua1
1. Southwest Geophysical Research Institute of BGP,CNPC,Chengdu 610213,China;2. Southwest Geophysical Exploration Branch of BGP,CNPC. Chengdu 610213,China
关键词:
逆冲断褶带层间褶皱潜伏背斜圈闭成藏条件油气发现库车克拉苏构造带龙门山构造带
Keywords:
thrust fold beltinterlayer foldlatent anticline trapsreservoir forming conditionsdiscovery of oil and gasKuqakelasu structural beltLongmenshan structural belt
分类号:
TE132
DOI:
10.16181/j.cnki.fzyqc.2021.04.001
文献标志码:
A
摘要:
层间褶皱是指在两套塑性地层之间的脆性地层,在强大挤压力作用下,脆性地层发生连续褶曲,并伴有断层发生。层间褶皱形成机理与压扁作用、剪切作用及重力作用三种构造运动模式有关。库车克拉苏构造带陆相白垩系砂岩气田群和龙门山构造带北段海相栖霞组白云岩大气区石油地质特征有所差异,但构造圈闭特征具有共性,都属于逆冲大断层下盘层间褶皱。层间褶皱是潜伏背斜圈闭的最佳类型,其局部构造圈闭成排成带分布,油气成藏条件优越。因此,在强烈挤压山地复杂构造区,层间褶皱是油气富集最佳有利区。
Abstract:
The interlayer folds refer to the brittle stratum between two sets of plastic strata. Under the action of strong squeezing force,the brittle stratum folds are continuously folded and accompanied by faults. The formation mechanism of interlayer folds is related to three tectonic movement modes: flattening,shearing and gravity. The Kuqakelasu structural belt,the terrestrial Cretaceous sandstone gas field group,and the Xixia marine dolomite gas field in the northern section of the Longmenshan structure have different petroleum geological characteristics,but the structural traps have the same characteristics,which belong to the interlayer folds of the footwall of the thrust fault. The interlayer folds are the best type of latent anticline traps. The local structural traps are distributed in rows and belts,with superior hydrocarbon accumulation conditions. Therefore,it is consequent that the interlayer folds become the best favorable places for oil and gas enrichment in the complex structural areas of strongly squeezed mountains.

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备注/Memo

备注/Memo:
收稿日期:2021-03-30;改回日期:2021-08-11。
第一作者简介:梁顺军(1957—),高级工程师,从事山地复杂构造地震资料综合解释研究及油气田勘探与开发工作。E-mail:lsjun57@sina.com。
更新日期/Last Update: 1900-01-01