| 漠河盆地冻土区天然气水合物地球化学特征及意义（增刊） |
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| 引用本文： | 唐瑞玲,张富贵,杨志斌,李庆霞,孙忠军.漠河盆地冻土区天然气水合物地球化学特征及意义（增刊）[J].中国矿业,2016,25(S2). |
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| 作者姓名： | 唐瑞玲 张富贵 杨志斌 李庆霞 孙忠军 |
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| 作者单位： | 中国地质科学院地球物理地球化学勘查研究所,中国地质科学院地球物理地球化学勘查研究所,中国地质科学院地球物理地球化学勘查研究所,中国地质科学院地球物理地球化学勘查研究所,中国地质科学院地球物理地球化学勘查研究所 |
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| 摘 要： | 漠河盆地是我国冻土发育的主要地区,具有形成天然气水合物的良好条件,为实现天然气水合物的突破,利用地球化学方法圈定天然气水合物靶区非常必要。本文利用传统的油气地球化学勘查方法(酸解烃、顶空气、碳酸盐),在漠河盆地天然气水合物有利区开展了探索性工作。研究发现：地球化学方法在天然气水合物勘探有较好应用,并结合地质等资料圈定了地球化学异常区,划分了三级异常；在驼峰山、一字岭等地区存在明显的地球化学异常,该区烃源岩有机质成熟度高,构造发育,在此区域内也有小型煤井发现,有望形成以煤成气为烃源供给的天然气水合物。
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| 关 键 词： | 天然气水合物 地球化学 冻土区 漠河盆地 |
| 收稿时间： | 2016/9/28 0:00:00 |
| 修稿时间： | 2016/9/28 0:00:00 |
GEOCHEMICAL CHARACTERISTICS OF THE GAS HYDRATE IN THE PERMAFROST AREA OF MOHE BASIN AND ITS SIGNIFICANCE |
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| Tang Ruiling,Zhang Fugui,Yang Zhibin,Li Qingxia and Sun Zhongjun.GEOCHEMICAL CHARACTERISTICS OF THE GAS HYDRATE IN THE PERMAFROST AREA OF MOHE BASIN AND ITS SIGNIFICANCE[J].China Mining Magazine,2016,25(S2). |
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| Authors: | Tang Ruiling Zhang Fugui Yang Zhibin Li Qingxia and Sun Zhongjun |
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| Affiliation: | Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences,Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences,Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences,Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences,Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences |
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| Abstract: | Mohe basin permafrost,with an area of about 18×103km2,is located in the north of Heilongjiang province.It has of perfect conditions and great prospecting for gas hydrate,but little work done on gas hydrate.Using the geochemical method to delineate gas hydrate target area is necessary for achieve the breakthrough of gas hydrate.In this paper,based on analyzing hydrocarbon gas off eight hundred and thirteen soil and headspace gas samples collected from near-surface soil in Mohe permafrost by geochemical methods such as acid degassing,headspace gas and carbonate,The result indicated that the oil and gas geochemical exploration method has a positive meaning in land gas hydrate exploration,also delineated geochemical anomaly areas and divides the three-level anomaly according to the geological data;Tuo-feng mountain and Yi-zi hill are considered a good potentiality area for gas hydrate.in this area,the source rocks with high maturity of organic matter,the structure is developed,has some small coalfield,it is expected to be gas hagrate which source is coal seam gas. |
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| Keywords: | natural gas hydrate geochemistry exploration permafrost area Mohe basin |
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