煤相 meaning in English
coal facies
coaly facies
Examples
- Reservoir evaluation for exploration and development of coal - bed gas
煤相分析在煤储层评价中的应用 - Coal facies analysis upon no . 16 coal seam in yanzhou coal mining area of shangdong province
山东兖州矿区太原组16号煤层煤相研究 - Analysis of sulfur in coal and coal facies in yinajia exploration area , zhina coalfield , guizhou
贵州织纳煤田以那架勘探区煤中硫与煤相分析 - The severe and frequent changes in sedimentary environments ( coal facies ) led to the horizontally and vertically sharp inhomogeneities of the pore system and relevant petro - physical property of coal reservoir , which bring on a very disadvantageous influence on the coalbed methane development in the basin
由于沉积环境（煤相）的剧烈频繁变迁导致了煤储层孔隙系统及相应的储层物性在纵向及横向上强烈的非均质性，给该盆地煤层气的开发带来平重不利影响。 - First of all , the substance foundation of low - rank coal cbm generation in the basin has been discussed according to the development of coal reservoir , coal petrography , coal properties , coal rank , coal genera , coal facies feature of lower jurassic badaowan formation ( jlb ) and middle jurassic xishanyao formation ( j2x )
首先，根据下侏罗统八道湾组( j _ 1b )和中侏罗统西山窑组( j _ 2x )煤储层发育、煤岩、煤质、煤级、煤类、煤相地质特征论述了本区低煤级煤层气生成的物质基础。