Re-evaluation of magnetotelluric 3d data processing results to reduce the risk of drilling in the "sml" geothermal field

Tony Abimanyu, Yunus Daud

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

Abstract

Geophysical Method is one of the methods in the Geothermal field exploration stage to get subsurface image related to Geothermal systems. The MT (Magnetotelluric) survey is one of the important geophysics methods for mapping geothermal system models based on the distribution of resistivity values. The MT (Magnetotelluric) survey can also be used to determine reservoir peaks, delineate reservoir boundaries and determine target areas (sweet zones) properly. In Addition, if existing well data can be available, MT (Magnetotelluric) must also be bound or adjusted to the well data to get the best interpretation results. To confirm the final modeling of interpretation together with other geophysical methods, the Geological method and the Geochemical method are also needed. The wellbore data (from "successful" and "unsuccessful" drilling) contains very valuable subsurface information that can be used to confirm the processing data of MT (Magnetotelluric) resistivity values. Precise and accurate data processing of MT (Magnetotelluric) raw data can ensure the best quality of the final product to reduce the uncertainty of depicting subsurface resistivity. All stages of this activity will eventually be able to redefine the reservoir boundaries and can recommend the target drilling area. And then it can reduce the uncertainty or risk of drilling the next well.

Original languageEnglish
Title of host publication9th National Physics Seminar 2020
EditorsHadi Nasbey, Riser Fahdiran, Widyaningrum Indrasari, Esmar Budi, Fauzi Bakri, Teguh Budi Prayitno, Dewi Muliyati
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735440647
DOIs
Publication statusPublished - 2 Mar 2021
Event9th National Physics Seminar 2020 - Jakarta, Virtual, Indonesia
Duration: 20 Jun 2020 → …

Publication series

NameAIP Conference Proceedings
Volume2320
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference9th National Physics Seminar 2020
CountryIndonesia
CityJakarta, Virtual
Period20/06/20 → …

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