摘要
根据阳泉矿区太原组煤系地层沼气赋存特征，即随着深度的增加，沼气含量逐渐减少的现象，从地质角度探索了阳泉矿区太原组煤系地层沼气运移的规律，提出了本组特殊的海相煤系地层沼气垂向运移的基本条件；即：Ｐ＿０＋Ｐ＿Ｚ＋ｐ＿Ｇ－Ｐ＿Ｒ－Ｐ＿ｆ≥０．从理论上分析了太原组煤系地层沼气含量随深度而逐渐递减赋存特征。
The paper discussed the gas vcrtical migration of Taiyuan coal measures from thegeologic angle and put forwad the essential conditions of gas vertical migIation of marine coalmeasures specialli.e.P_0+P_Z+P_G-P_R-P_F≥0.It analyzed the gas conserve character·istic in section of Taiyuan coal measures theoretlcally.
关键词
太原组
煤系
地层
阳泉矿区
沼气运移
gas vertical migration: essential conditions
coal measures
Yangquan coal area
