Structural Features and the Relation with Gas Hydrate Distribution in Sanlutian of Muli, Qinghai

Geoscience ›› 2015, Vol. 29 ›› Issue (5): 1138-1143.

• Engineering Geology and Environmental Geology • Previous Articles Next Articles

Structural Features and the Relation with Gas Hydrate Distribution in Sanlutian of Muli, Qinghai

YU Chang-qing1，LI Yong-hong2，LU Zhen-quan3，QU Chen1，LUO Su4， WANG Wei-chao2，ZHOU Yu5

(1.State Key Lab of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing100037, China； 2.Qinghai No.105 Coal Geological Exploration Team, Xining, Qinghai810007, China;3.Oil & Gas Survey, China Geological Survey, Beijing100029, China ;4.Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650200,China；5.Faculty of Nuclear Resource and Environment，East China Institute of Technology，Nanchang, Jiangxi330013, China)

Online:2015-10-29 Published:2015-12-24

Abstract

Abstract:

Through processing 3D seismic data acquired in Sanlutian mining field in Muli permafrost area, Qinghai, based on the petrophysical analysis and the seismic responsefeature analysis, the deep structure and special seismic processing results such as AVO characteristics of the study area were obtained. The results reveal that there exists extremely close relationship between the distribution of gas hydrates and the structure; the distribution of gas hydrates is mainly controlled by the structure. In the area where faults and fractures are developed, the distribution feature of gas hydrates are obvious; it is coincident with the drilling result.

Key words: Muli area, permafrost area, gas hydrate, deep structure, 3D seismic profile

CLC Number:

P618.1
P631

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Structural Features and the Relation with Gas Hydrate Distribution in Sanlutian of Muli, Qinghai

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