Fracture System and Stress Field of Soultz Deep Reservoir Estimated by Multipletclustering Analysis of Induced Microseismic Events

H. Moriya, S. Miyano, H. Niitsuma, R. Baria

研究成果: ジャーナルへの寄稿会議記事査読

2 被引用数 (Scopus)

抄録

Detailed fracture and stress field in deep reservoir at Soultz have been estimated based on the multiplet-clustering analysis of induced microseismic events. The multiplet-clustering analysis is one of several high-resolution mapping techniques and can estimate multiplet clusters, which consist of group of similar microseismic events. As the result of the analysis, it is suggested that the multiplet clusters show planar structures that represent seismically activated fracture planes due to increasing of pore-fluid pressure in fractures. The strikes of the multiplet structural planes are dominating N-S, even though the orientation of structural planes in the shallow reservoir were estimated to be NW-SE. The stress field has also been calculated using the orientations of multiplet structural planes and their estimated slip directions. The maximum principal stress direction is estimated to be nearly vertical.

本文言語英語
ページ(範囲)229-233
ページ数5
ジャーナルTransactions - Geothermal Resources Council
出版ステータス出版済み - 2002
イベントGeothermal Resources Council: 2002 Annual Meeting - Reno, NV, 米国
継続期間: 2002 9月 222002 9月 25

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