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Reactive Geothermal Transport Simulation to Study the Formation Mechanism of Impermeable Barrier between Acidic and Neutral Fluid Zones in the Onikobe Geothermal Field, Japan

机译：反应地热输运模拟研究日本Onikobe地热田酸性和中性流体区域不透水屏障的形成机制

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Two types of fluids are encountered in the Onikobe geothermal reservoir, one is neutral and the other is acidic (pH=3). It is hypothesized that acidic fluid might be upwelling along a fault zone and that an impermeable barrier might be present between the acidic and neutral fluid zones. We carried out reactive geothermal transport simulations using TOUGHREACT (Xu and Pruess, 1998 and 2001) to test such a conceptual model. Mn-rich smectite precipitated near the mixing front and is likely to form an impermeable barrier between regions with acidic and neutral fluids.

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Todaka, N.; Akasaka, C.; Xu, T.; Pruess, K.;
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年度 2003
页码 1-42
总页数 42
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Geothermal fields ; Transport ; Impermeability ; Upwelling ; Barriers ; Permeability;

机译：地热田;运输;不渗透性;上升流;障碍;渗透性;

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4. MODELING OF GEOCHEMICAL INTERACTIONS BETWEEN ACIDIC AND NEUTRAL FLUIDS IN THE ONIKOBE GEOTHERMAL RESERVOIR, JAPAN [C] . Chitoshi Akasaka, Tianfu Xu, Karsten Pruess, Workshop on Geothermal Reservoir Engineering . 2004

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7. Reactive geothermal transport simulation to study the formation mechanism of impermeable barrier between acidic and neutral fluid zones in the Onikobe Geothermal Field, Japan [O] . Todaka, Norifumi, Akasaka, Chitosi, Xu, Tianfu, 2003

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8. Reactive Geothermal Transport Simulation to Study the Formation Mechanism of Impermeable Barrier between Acidic and Neutral Fluid Zones in the Onikobe Geothermal Field, Japan [R] . Todaka, N., Akasaka, C., Xu, T., 2003

机译：反应地热输运模拟研究日本Onikobe地热田酸性和中性流体区域之间不透水屏障的形成机制

Reactive Geothermal Transport Simulation to Study the Formation Mechanism of Impermeable Barrier between Acidic and Neutral Fluid Zones in the Onikobe Geothermal Field, Japan

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