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中文摘要：
针对盘县地区复杂的煤层气地质条件，以构造演化为主线，结合野外地质观测和室内测试分析，探讨了构造对煤层气成藏的控制作用。结果表明，盘县地区晚古生代以来经历了陆内裂陷（D—P）、稳定台地（T1—T2）、陆相坳陷（T3—J2）、断褶隆升（J3-Q）四个构造演化阶段，煤层主要赋存于向斜构造，向斜控气特征明显；上二叠统含煤地层经历了两期沉降埋藏、两期抬升剥蚀和三期煤化作用，燕山中期是煤层气成藏的关键时期，在深成变质作用基础上叠加了区域岩浆热变质作用，奠定了煤级的现代分布格局；区内发育的压性-压剪性构造是造成现今煤层高含气量的重要因素，近EW向的水平挤压现代构造应力场可能使得土城向斜和照子河向斜煤层渗透率高于向盘关向斜和旧普安向斜。
英文摘要：
Turning towards the geological complex conditions of coalbed methane （CBM） in Panxian, western Guizhou, the tectonic control of the CBM reservoir was discussed taking the tectonic evolution as a basic approach and combining with the geological field observation and the lab analysis. Results showed that four tectonic stages in the area have be experienced including the intra-continental rift stage from Devonian to Permian, stable platform stage from Early to Middle Triassic, continental depression stage from Late Triassic to Middle Jurassic and fault-folded uplift stage form Late Jurassic to Quaternary. Coal seams occur in the synclines indicating an obvious syncline control of CBM resources. The Late Permian coal-bearing strata were characterized by two periods of subside burials, two periods of uplift erosions and three periods of coalifications. Middle Yanshanian tectonic movement was a key period to CBM reservoiring, in which the modern occun＇enee of the coal rank was built by the telemagmatic metamorphism on the deep burial metamorphism setting. High CBM content in the area is caused importantly by the compressive and compressive-shear structures. Modern tectonic stress field with the nearly east-west direction of horizontal compression might make the coal seam permeability in the Tucheng and Zhaozihe synclines higher than that in the Panguan and Jiupuan synclines.
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