CAJ | 학술논문

官寨勘探区位于贵州织纳煤田北部，煤层发育具有“层数多、厚度薄、成群分布”的特点。采用气含量测试、注入/压降试井、钻孔煤层和煤体结构频度统计以及煤岩裂隙观测等方法，对煤储层含气性、渗透性、储层压力和地应力等进行了系统分析。采用体积法估算了官寨勘探区煤层气资源量，初步评价了煤层气可采性和资源潜力。煤层气地质、储层条件分析和开发工程实践表明，官寨勘探区煤层气保存条件好，气含量高，资源量和资源丰度大，可采性较好，具有较大的开发利用潜力；将煤层群作为目标产层，进行单井、多产层合层开发是今后官寨勘探区乃至西南地区煤层气开发的重要发展方向。
관채감탐구위우귀주직납매전북부，매층발육구유“층수다、후도박、성군분포”적특점。채용기함량측시、주입/압강시정、찬공매층화매체결구빈도통계이급매암렬극관측등방법，대매저층함기성、삼투성、저층압력화지응력등진행료계통분석。채용체적법고산료관채감탐구매층기자원량，초보평개료매층기가채성화자원잠력。매층기지질、저층조건분석화개발공정실천표명，관채감탐구매층기보존조건호，기함량고，자원량화자원봉도대，가채성교호，구유교대적개발이용잠력；장매층군작위목표산층，진행단정、다산층합층개발시금후관채감탐구내지서남지구매층기개발적중요발전방향。
The Guanzhai exploration area is situated in the northern part of Zhina coalfield, coal seams have specialty of“multiple seam numbers, thin thickness and distributed in groups”. Using methane content testing, injection/pressure drawdown testing, borehole coal seam and coal mass structure frequency statistics, as well as coal, rock fracture observation methods, carried out systematic analyses of coal reservoir methane-bearing property, permeability, reservoir pressure and ground stress etc. Using volumetric method estimated CBM resources in Guanzhai exploration area, initially evaluated CBM workability and resource potential. The CBM geology, reservoir condition analysis and exploitation project practices have shown that CBM in the area has good preservation condition, high methane content, large resources and resource abundance, better workability with superior exploitation and utilization potential. Taking the coal seam group as target producing formation, to carry out single well, multiple producing formations integrated exploitation are the major development orientation of Guanzhai exploration area and even southwestern China CBM exploitation.