MAM and MT explorations in the Sibayak geothermal field

Supriyanto, Hideki Mizunaga, Keisuke Ushijima, Yunus

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Deep Magneto-Telluric (MT) and Mise-a-la-Masse (MAM) geophysical imaging methods provide valuable information on fundamental processes within a geothermal field. However, because of an inherent non-uniqueness problem during data processing, interpretation of each individual method sometime has no good agreement with a real geological structure in a geothermal field. As a result, the naive application of the methodology can lead to erroneous results. Therefore, to convince the interpretation result by decreasing non-uniqueness possibility, we have performed integrated inversion of MT and MAM data observed in the Sibayak geothermal field, Indonesia. The results were then correlated to borehole data. The final interpretation show a dome-shape structure of the low resistivity, indicating an up-flow zone around fractures in the southeast direction of the Sibayak Mountain. This geophysical information is useful for the task of selecting sites for the promising zone in the Sibayak geothermal field.

Original languageEnglish
Title of host publicationSociety of Exploration Geophysicists - 75th SEG International Exposition and Annual Meeting, SEG 2005
PublisherSociety of Exploration Geophysicists
Pages1026-1029
Number of pages4
ISBN (Print)9781604236101
Publication statusPublished - 1 Jan 2005
Event75th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2005 - Houston, United States
Duration: 6 Nov 200511 Nov 2005

Publication series

NameSociety of Exploration Geophysicists - 75th SEG International Exposition and Annual Meeting, SEG 2005

Conference

Conference75th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2005
CountryUnited States
CityHouston
Period6/11/0511/11/05

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