松辽盆地南部长岭断陷的火山岩分布及成藏规律

长岭断陷为陆相火山－沉积岩盆地，断裂运动是控制火山活动及火山岩平面分布的主要因素。利用特殊地震相对火山岩平面分布进行预测，圈出两个火山口和8个沿控边大断裂分布的火山岩体，并在营城组火山岩体中获得商业性天然气。火山岩储集层物性的好坏，除受原生孔隙控制外，次生裂隙及溶洞也是关键因素。断裂发育带和后期反转区内的火山岩有利储集相带，是寻找深层天然气和无机气的有利场所。

Distribution of volcanic rock and its rule of reservoir on Changling faulted depression,south of Songliao Basin.

Changling fault depression is continental basin of volcanic-sedimentary rock,fault movement is key factor controling volcanic activity and plane distribution of volcanic rock. Using special seismic phase,the paper predicted the plane distribution of volcanic rock,trapped two craters and eight volcanic rock bodies along big faults controlling their border and commercial gas has been acquired on Yingcheng Formation volcanic rock body.Either good or bad physical properties of volcanic rock reservoir,the secondary crack and limestone cave are key factors besides controlling by primary porosity.Volcanic rock reservoir in fault developed belt and its latter reverse area is favorite site for finding deep gas and inorganic gas.