柴北缘鱼卡—红山断陷包括鱼卡断陷、柴旦—红山断陷及红山构造带，位于柴北缘东段，由于受多期次构造运动的影响，构造圈闭破坏严重，油气勘探难度很大，但研究区烃源岩发育，地面多处见到油砂，浅井钻探见到良好油气流。所以，深入研究鱼卡—红山断陷的构造特征及构造对油气运聚的控制作用，不仅有利于研究区的油气勘探工作的部署及开发，同时也对整个柴北缘大区域的油气勘探研究有实际意义。 在简要分析研究区区域构造演化背景的基础上，编制了骨干地震剖面解释图、构造纲要图、地质剖面图，总结了鱼卡—红山断陷褶皱构造、断裂构造的基本特征、平面展布规律和剖面组合样式。认为研究区内向斜开阔、背斜紧闭，褶皱构造的平面展布以平行并列式为主，断裂多为逆冲断层，构造样式可划分为压缩构造样式、走滑构造样式和伸展构造样式三大类型。利用地层角度不整合分析法研究了区域构造变形期次，通过构造演化剖面的编制，分析了研究区的构造。分析了构造对研究区侏罗系烃源岩发育、分布的控制作用、构造圈闭的类型和特征及构造对油气运聚的控制作用，认为构造对研究区烃源岩发育分布具有重要控制作用，研究区主要发育背斜、断背斜和断块构造圈闭，油气早期以侧向运移为主，晚期垂向运移显著，断裂是油气垂向运移的重要通道。通过对研究区不同构造单元油源条件、储层条件、盖层条件、圈闭条件、运聚条件和保存条件的综合分析，认为鱼卡断陷是一类有利油气勘探区，红山构造带是二类有利油气勘探区带，柴旦—红山断陷是三类有利油气勘探区带。

The Yu Qia-Hong Shan fault depression of the North Margin of the Qaidam Basin includes Yu Qia fault depression, Qaidan-Hong Shan fault depression and Hong Shan tectonic belt, which locates in the eastern section at the north margin of Qaidam Basin. Because the influence of multistage tectonization, the structural traps were serious destroyed, which was hard to explore, however hydrocarbon source rock developed in research area, and the oil sands were over there, the better fluid of oil and gas was found by using shallow well drilling. So, according to study on the tectonic characteristics and its control to oil and gas in the Yu Qia -Hong Shan fault depression at the North Margin of Qaidam Basin, oil and gas exploration is not only better deployed and developed, it is also significant to research on the whole area of North Margin of Qaidam Basin. After brief anglicizing regional tectonic evolutions of study area, compilated backbone seismic section interpretation maps, structure outline maps and geologic section maps, summarized fold structures and fault structures’basic characteristics, plane distribution regularity and section assemble pattern of Yu Qia- Hong Shan fault depression. Summarized that synclines are open, anticlines are tightly closed, and plane distribution pattern of folds was parallel and juxtaposition. The faults were mostly thrust fault, and tectonic types can be divided into 3 styles: compression tectonic style, strike-slip style and extending tectonic style. Based on analysis of formation angular unconformity methods, it studied regional structural deformation stage. And also analyzed area structure through tectonic evolution sections’ compilations. Analyzed tectonics’ controls over hydrocarbon source rock development and distribution, types and characteristics of tectonic trap，and the tectonic characteristics’ control to hydrocarbon migration and accumulation. Considered that the tectonic had important control to hydrocarbon source rock development and distribution. There are many anticlines, faulted anticlines and fault block tectonic traps. The result of tectonic control is that oil and gas mainly run with lateral migration firstly. It significantly run with vertical migration latter, faults are important pathway to vertical migration. After analysis and research, the main six factors are got, which are oil source condition, reservoir conditions, cap rock condition, trap conditions, migration and accumulation condition, preservation conditions. According to above six factors, Yu Qia fault depression is the Ⅰfavorable exploration researched belt, Qaidan-Hong Shan fault depression is the Ⅱfavorable exploration researched belt and Hong Shan tectonic belt is the Ⅲ favorable exploration researched belt.