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iGeoT v1.0 automates into a stand-alone computer program the multicomponent chemical geothermometry code GeoT v2.1 and the numerical optimization engine of iTOUGH2. iGeoT allows for optimizations of GeoT runs using multiple water chemical analyses. The underlying geothermometry method is that previously developed by Reed and Spycher (1984) using the computed saturation indices of multiple minerals. GeoT automatically reconstitutes deep fluid compositions and estimates reservoir temperature from statistical evaluation of computed mineral saturation indices. The output include estimated temperatures following various statistical methods and their range of uncertainty. The computer program also outputs temperatures predicted using classical geothermometers. Input parameters include water composition and, optionally, gas composition, fraction of gas discharge, dilution/evaporation factor (in case of boiling or mixing with dilute waters), and end-member water composition (in case of mixing with other non-dilute waters). The dilution/evaporation factor, fraction of gas discharge, and concentration of various aqueous and gas species can be automatically estimated by numerical optimization. This program was designed for geothermal applications.
Authors:
;
Publication Date:
OSTI Identifier:
1332962
Report Number(s):
iGeoT; 005034MLTPL00
R&D Project: GT0300000; 2016-167
DOE Contract Number:
AC02-05CH11231
Software Revision:
00
Software Package Number:
005034
Software CPU:
MLTPL
Source Code Available:
No
Other Software Info:
LBNL reserves all rights to distribute this software.
Research Org:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE
Contributing Orgs:
Lawrence Berkeley National Laboratory
Country of Publication:
United States

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