中国多年冻土区天然气水合物地球化学勘探技术研究进展
张富贵1,2,3(
), 周亚龙2,3(), 孙忠军2,3, 方慧3, 杨志斌3, 祝有海4
), 周亚龙2,3(), 孙忠军2,3, 方慧3, 杨志斌3, 祝有海4
Research Progress of Geochemical Exploration Technology for Natural Gas Hydrate in the Permafrost Area， China
Fugui ZHANG1,2,3(), Yalong ZHOU2,3(), Zhongjun SUN2,3, Hui FANG3, Zhibin YANG3, Youhai ZHU4
), Yalong ZHOU2,3(), Zhongjun SUN2,3, Hui FANG3, Zhibin YANG3, Youhai ZHU4
图2. 祁连山多年冻土区DK-8钻孔甲烷含量变化及天然气水合物异常主要分布
1: 粗粒砂岩；2: 细粒砂岩；3: 泥质粉砂岩；4: 泥岩；5: 油页岩；6: 煤层；7: 天然气水合物；8: 疑似天然气水合物；9: 断层
Fig.2. Hydrocarbon concentrations and abnormal distribution of gas hydrate from the borehole DK-8 in the Qilian Mountain permafrost
1. Coarse sandstone; 2. Fine sandstone; 3. Clay siltstone; 4. Mudstone; 5. Oil shale; 6. Coal seam; 7. Gas hydrate; 8. Suspected gas hydrate; 9. Fault
