According to geological condition, coal seam, coal quality and CBM parametric well data from the Guantianba syncline explo⁃ration area, have carried out CBM hosting feature analysis, then through volumetric method estimated CBM resources. The result has shown that the development of mineable coal seams in the area is rather steady, intervals between them rather small, buried depth mod⁃erate. Thus coal seams Nos.4, 7 and 9, Nos.13, 15 can be jointly exploited as upper and lower coal groups respectively. CBM enrich⁃ment, preservation and permeability are preferable, estimated upper and lower groups CBM resources above depth 1200 m are 7.10 bil⁃lion m3 and 3.69 billion m3 respectively with large potential, thus good exploration and exploitation prospect.%根据官田坝向斜勘查区地质条件、煤层、煤质及煤层气参数井等资料，对该区煤层气赋存特征进行分析，并采用体积法估算煤层气资源量。结果表明：该区可采煤层发育较稳定，煤层间距较小，埋深适中，4、7、9号煤层和13、15号煤层可分别作为上、下段煤组联合开发。煤层气富集、储存、渗透性较好，经估算1200 m以浅上、下段煤组资源量分别为71.0亿m3、36.9亿m3，煤层气资源潜力较大，具有较好的勘探开发前景。
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