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

页码：3481 / 3495

页数：15

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