qum

Qum Formatiom with carbonate is mainly exploration aim stratum , the C4 member of Qum Formatiom is mainly production layer .

库姆组碳酸盐岩为主要勘探目的层，其中库姆组C4段为主要产层。

Under microscope , oil and gas migration can be checked out easily , which proves that , the Qum troop carbonate rock of Tertiary in Ka-shan area is predominant natural reservoir .

镜下已检测到油气运移痕迹，证明卡山地区第三系库姆组碳酸盐岩层是良好的天然储层。