鄂尔多斯盆地油气形成与运移时间和运移方向的确定与勘探方向

赵孟为

doi:10.11781/sysydz199604341

鄂尔多斯盆地油气形成与运移时间和运移方向的确定与勘探方向

doi: 10.11781/sysydz199604341

赵孟为

德国哥廷很大学地质与岩石圈动力学研究所

详细信息

作者简介:
赵孟为男 39岁博士石油地质

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出版历程
- 收稿日期: 1996-04-05
- 刊出日期: 1996-10-25

TIMING OF HYDROCARBON GENERATION AND MIGRATION AND DETERMINATION OF MIGRATION DIRECTION AS WELL AS EXPLORATION DIRECTION IN THE ORDOS BASIN

Zhao Mengwei

Institute of Geology and Dynamics of Lithosphere, University of Geottingen, Geottingen, Germany

摘要

摘要: 本文根据镜质体反射率、K-Ar年龄和磷灰石裂变径速资料,从恢复鄂尔多斯盆地的沉降抬升史与地热史入手,讨论了油气形成与运移的时间、运移方向及其油气勘探方向.油气形成与初次运移和首期二次运移的主要时间在170～160Ma(中侏罗世末).23Ma(中新世)以来,又发生了一次区域性的第二期二次运移.盆地中东部的各种圈闭,尤其是奥陶系顶部风化壳,均属有利的勘探目标;而其东侧的圈闭则有可能更为有利.
- 油气形成 /
- 油气运移 /
- 勘探方向 /
- 鄂尔多斯盆地
Abstract: On the basis of vitrinite reflectance,K-Ar ages and apatite fission-track data,the time of hydrocarbon generation and migration,migration direction and hydrocarbon exploration direction are discussed starting with the reconstruction of the subsidence and uplift history and geothermal history of the Ordos Basin.The major time of hydrocarbon generation and primary and secondary migration was in 170～160 Ma(the end of the Middle Jurassic).After 23 Ma(the Miocene),a regional secondary migration of the second phase took place.All kinds of traps in the middle and eastern parts of the basin,especially the crust of weathering at the top of the Ordovician,belong to favourable targets for exploration.And the traps on the eastern side may be more favourable.

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参考文献(23)

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