Controls of Deep-Seated Faults and Folds on Hydrocarbon Fluid Migration and Accumulation in Sedimentary Basins: A Case Study from the Northwestern Sichuan Basin, China

Figure 1

Maps showing the location of Sichuan Basin, tectonic units (modified after the Southwest Oil and Gas Field Company, PetroChina) in and surrounding the Sichuan Basin (the SRTM data are from the CGIAR). The geological map showing the basic geology around the northern Longmen Shan area [36]. The structural map of the Permian showing the seismic lines and fault distribution of the study area (modified after the Southwest Oil and Gas Field Company, PetroChina). The structures of Figure 2(c): I: Jiaoziding thrust nappe; II: Tangwangzhai thrust nappe; (1) Zhongba anticline; (2) Haitangpu anticline; (3) Shuangyushi anticline; (4) Tianjingshan anticline; (5) Kuangshanliang anticline; (6) Shejianhe anticline; (7) Hwanchang anticline; (8) Tongziguan anticline.

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