白额地区2~#煤层气藏成藏控制因素分析  

Controlling factors of 2^# coalbed methane reservoir in Bai＇e District

作　　者：李志杰[1] 徐博会[1] 郑柏平[2] 袁同星[2] 刘占勇[2] 

机构地区：[1]河北工程大学资源学院,河北邯郸056038 [2]中国煤炭地质总局第一勘探局,河北邯郸056004

出　　处：《河北工程大学学报（自然科学版）》2010年第3期46-49,共4页Journal of Hebei University of Engineering:Natural Science Edition

基　　金：河北省自然科学基金资助项目(E2009000833)

摘　　要：在分析白额地区2#煤储层空间发育特征、储层物性特征、含气量分布特征及区域构造背景的基础上,对煤层气成藏控制因素进行分析。结果表明:构造演化史直接控制着煤储层埋藏史及生烃史,是煤层气成藏主控因素;地下水水动力特征和围岩封闭特征决定了煤层气藏的保存条件,是煤层气成藏的关键;综合以上特征,可以得出2#煤煤层气藏为单斜-水动力封堵型煤层气藏。Based on the analysis of No.2 coalbed methane reservoir＇s 3D characteristics,gas content and their distribution features,physical properties of the reservoir,and regional tectonic background,the controlling factors of development features of coalbed methane reservoir were discussed.The results indicate that the regional tectonic evolution history,which dominates directly the burial history and hydrocarbon generation history,is the main governing factor of the coalbed methane reservoir.The groundwater hydrodynamic characteristic and surrounding rocks sealing characteristic are the key factors determining the preservation condition of coalbed methane reservoir.Summarily,The No.2 coalbed methane reservoir is monoclinic-hydrodynamic sealing reservoir type.

关 键 词：煤层气 成藏类型 含气量 储层物性 

分 类 号：TE122[石油与天然气工程—油气勘探]