Thermal-hydraulic measurements and modelling of the brine circuit in a geothermal well

被引：10
|
作者：
Francke, Henning [1 ]
Kraume, Matthias [2 ]
Saadat, Ali [1 ]
机构：
[1] GFZ Potsdam, Potsdam, Germany
[2] Tech Univ Berlin, Berlin, Germany
来源：
ENVIRONMENTAL EARTH SCIENCES | 2013年 / 70卷 / 08期
关键词：
Geothermal well; Heat flow model; Simulator; Brine properties; Degassing; VLE; GAS-PHASE COMPOSITION; HEAT-CAPACITY; THERMODYNAMIC MODEL; DENSITY; SOLUBILITY; ELECTROLYTES; TEMPERATURE; ENTHALPIES; VISCOSITY; CHLORIDE;
D O I：
10.1007/s12665-013-2612-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Wellhead temperature and pressure are critical parameters of a geothermal well. Their prediction requires knowledge of the geofluid properties and detailed thermal modelling of the well and formation. High salinity and gas content complicate the task. This article presents a comprehensive thermal-hydraulic wellbore model, which is parameterized and validated with data from the Gross Schoenebeck site, and used for a long-term prognosis. Geofluid properties are calculated based on the specific gas and salt contents by determining the vapour-liquid equilibrium.
引用
收藏
页码：3481 / 3495
页数：15
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