裂陷期的同沉积断裂组成了多种复合的构造样式：西部斜坡带主要发育断阶、地堑和地垒构造；
Faults developed in synrift phases formed several structural styles: the fault terraces, grabens and horsts were generated in the western slope belt;
北段石炭系残厚稳定区，气藏皆为构造圈闭，并与区域构造一致，以地垒背斜圈闭为主；
In the stable area of Carboniferous residual thickness at the northern sector, the gas pools are all tectonic traps which are dominated by host anticlinal traps and consistent with regional tectonics.
滚动背斜、挤压背斜、地垒等构造是油气富集的主要场所。
Among them, rollover anticline, compression anticline and horst are the main area of hydrocarbon enrichment.
滚动背斜、挤压背斜、地垒等构造是油气富集的主要场所。
Among them, rollover anticline, compression anticline and horst are the main area of hydrocarbon enrichment.
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