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在龙江地区野外实测剖面的岩石裂缝中发现了二叠系的石油显示,在单偏光镜下颜色呈黑褐色,在荧光镜下显示棕黄色或绿色;油源追踪研究证明,野外发现的二叠系干沥青是由石炭二叠系岩石本身生成的,而不是来自于盆地上部的其他生油气岩层。这一发现和研究对松辽盆地深层的油气勘探具有实际意义。
The Permian oil was found in the rock fissures of the measured field in the Longjiang area. The color of the Permian oil was dark brown under single polarizer and brown or green under fluoroscope. The oil source tracing study proved that the second The superimposed dry bitumen was formed from the Carboniferous-Permian rocks themselves rather than from other source rocks in the upper part of the basin. This discovery and research have practical significance for the deep oil and gas exploration in the Songliao Basin.