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首页> 外文期刊>Journal of natural gas science and engineering >The characteristics of the neotectonic movement and their effects on the formation of gas reservoirs in the marginal depressions of Tarim basin, NW China
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The characteristics of the neotectonic movement and their effects on the formation of gas reservoirs in the marginal depressions of Tarim basin, NW China

机译：塔里木盆地边缘凹陷新构造运动特征及其对气藏形成的影响

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摘要

Tarim basin is one of the three largest gas-rich basins in China and is an important gas production base. The rapid and strong uplifting of peripheral mountains and large-scale activities of boundary faults led to rapid subsidence and strong tectonic deformation of some marginal depressions in this basin, such as Kuqa, Southwest Tarim and Southeast Tarim, which is of great significance to the hydrocarbon generation and accumulation. This work uses well logs and seismic section interpretations as well as previous studies. The conclusions are as follows: The Neotectonic movement of the marginal depressions began in the Miocene and went through four major evolutionary stages; the strong compression, thrust-faulting or strike-slip movements occurred in the neotectonic period, leading to the formation of large-scale foredeep depressions and subsidence zones, with intermittent uplifting and erosion; the tectonic activities differ significantly at different stages and in different depressions, and it was dominated by subsidence in the Pliocene and Early Pleistocene, while in the Middle and Late Pleistocene to present day, it was dominated by uplifting and erosion; The structures of the marginal depressions developed in rows, ordering from the foreland to the basin; Neotectonic movement has played an important role in the control of the formation, evolution and accumulation of gas reservoirs in the marginal depressions. (C) 2014 Elsevier B.V. All rights reserved.
机译：塔里木盆地是中国三大天然气富集盆地之一，是重要的天然气生产基地。外围山体的快速强烈隆升和边界断层的大规模活动导致该盆地一些边缘凹陷（如库车，塔里木西南和塔里木东南）的快速沉降和强烈的构造变形，这对油气具有重要意义。产生和积累。这项工作使用测井和地震剖面解释以及以前的研究。结论如下：边缘凹陷的新构造运动始于中新世，经历了四个主要的演化阶段。在新构造时期发生了强烈的压缩，逆冲断层或走滑运动，导致形成了大规模的前倾凹陷和沉降带，并间歇性地隆起和侵蚀。构造活动在不同的阶段和不同的洼地有明显的不同，它以上新世和早更新世的沉降为主导，而到今天的中更新世和晚更新世，它以隆升和侵蚀为主。边缘洼地的结构成排排列，从前陆到盆地依次排列。新构造运动在控制边缘凹陷中气藏的形成，演化和聚集方面发挥了重要作用。 （C）2014 Elsevier B.V.保留所有权利。

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