勃利盆地煤层气资源评价

勃利煤田煤炭资源丰富,矿井瓦斯涌出量较高达50~80 m3/t,曾发生过瓦斯爆炸及瓦斯突出。本文从地质、构造、水文、煤层煤质、煤储层特征等方面,对勃利盆地煤炭资源条件较好的七台河拗陷(断陷)进行了系统的煤层气资源评价,对煤层气赋存的有利及不利因素进行了阐述和分析,指出今后煤层气勘探开发的重点目标区。

Evaluation on Coal Bed Methane Resource in Boli Basin

The coal resources is abundant in Boli coal field.Coal bed methane gushed quantity is 50～80 m3/t in mine,ever happened gas explosion and extrude.This text from the aspects of geological,conformation,hydrology,coal seam and coal quality,coal store character,ect.evaluated on the coal resource abundant area Qitaihe area coal bed methane resource in Boli coal basin,analysed the advantageous and disadvantageous factors of coal bed methane storage,pointed out the key aim area of coal bed methane development.