Estimation of static formation temperatures in geothermal wells

被引：30
|
作者：
Espinosa-Paredes, G
Garcia-Gutierrez, A
机构：
[1] Inst Invest Elect, Unidad Geotermia, Temixco 62490, Morelos, Mexico
[2] Univ Autonoma Metropolitana Iztapalapa, Div Ciencias Basicas & Ingn, Mexico City 09340, DF, Mexico
来源：
ENERGY CONVERSION AND MANAGEMENT | 2003年 / 44卷 / 08期
关键词：
formation temperatures; Horner method; spherical radial flow method; lost circulation; numerical simulation;
D O I：
10.1016/S0196-8904(02)00117-6
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Stabilized formation temperatures were estimated at different depths in 40 wells from the Los Humeros geothermal field, Mexico, using the Horner and the spherical radial flow (SRF) methods. The results showed that the Horner method underestimates formation temperatures, while the SRF method gives temperatures that are closer to the true formation temperatures. This was supported by numerical simulation of a combined circulation and shut-in period in several wells, and results for well H-26 are presented. Numerical reproduction of logged temperature is more feasible if an initial temperature profile based on the SRF method is employed instead of using an initial temperature profile based on the Horner method. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1343 / 1355
页数：13
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