鄂尔多斯盆地中部马家沟组天然气储层特征  

RESERVOIR CHARACTERISTICS OF MAJIAGOU FORMATION IN CENTRAL ORDOS BASIN

作　　者：黄月明 杨奕华 包洪平 俞惠隆[2] 

机构地区：[1]长庆石油勘探开发研究院,甘肃庆阳745101 [2]江汉石油学院,湖北沙市434102

出　　处：《石油与天然气地质》1992年第4期390-397,共8页Oil & Gas Geology

摘　　要：鄂尔多斯盆地中部下奥陶统马家沟组天然气储集层,实际是一种潮坪膏盐岩与碳酸盐岩共生的萨布哈类型,大气淡水淋滤标志显著,可分为4种储集岩,受控于沉积和成岩环境。溶孔层与致密层的叠加配置,构成了马家沟组多个含气层段。The gas reservoirs of the Majiagou Formation,Lower Ordovician in central OrdosBasin could be divided into four types that are acturally a kind of sabkha composed ofgypsum-salt on tidal flat associated with carbonate rocks with clear leaching marks ofatmospheric water.

关 键 词：天然气 储集层 鄂尔多斯盆地 

分 类 号：P618.13[天文地球—矿床学]