The abnormally high-pressured gas reservoirs were well developed in the Tarim Basin. It was discussed in this paper the abnormally high pressures in foreland depressions, including regional evolution, contributing fac-tors, formation of gas-bearing structures, accumulation mechanisms and periods, and then presenting accumulation models for the Kuqa Depression and the Yecheng Sag respectively. The keys for abnormally high-pressured gas reservoirs and the exploration targets were studied. There were 6 abnormally high-pressured gas reservoirs in Kuqa area, 5 of which were late-charged while only the Yinan2 gas reservoir was self-sourced. The main accumulation period was from the Late Miocene to the Early Pliocene. Anticlines were controlled by a group of overstep reverse faults. Natural gas charged into gas-bearing structures directionally due to the structural compression since Pleisto-cene. Self-sourced high pressure and transitional high pressure together formed abnormally high pressure. The deep Paleogene gas reservoir in the Kekeya anticline of Yecheng Sag, namely, the Kalata’er gas reservoir, ac-cumulated in Miocene and adjusted with stratigraphic folding in Pliocene-Early Pleistocene, which was an abnor-mally high-pressured gas reservoir of late-adjustment type. The shallow Miocene gas reservoir in the Kekeya anti-cline was late-charged, with both the source beds (the Carbono-Permian and Jurassic) and the deep Paleogene gas reservoir supporting gases, which should be a later secondary-generated accumulation.% 在全面论述塔里木盆地异常高压气藏分布的基础上，重点剖析了南天山和西昆仑山的山前坳陷的区域演化、异常高压成因、储气构造形成和成藏期，进而提出其成藏模式，探讨异常高压气藏形成的关键和勘探靶区。库车坳陷除依南2气藏为自源型外，其它5个气藏均属晚期充注型；主成藏期是中新世晚期—上新世早期，背斜发育受一组后展式扩展的逆冲断层控制，更新世以来天然气向原储气构造内充注，异常高压是自源型高压和传导型高压的叠加。叶城凹陷柯克亚背斜深部的古近系在中新世成藏，上新世-早更新世随地层褶皱发生调整，属晚期调整的气藏；浅部的中新统气藏则是晚期充注型，除气源岩供气外还有深部的古近系气藏为之供气，应属晚期次生成藏。
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