Numerical modeling for the steady-state condition of the geothermal system in Way Ratai

Steady-state model of geothermal system in Way Ratai for exploration activities was numerically modelled by using the HYDROTHERM INTERACTIVE software based on the Newton-Raphson algorithm. In the present numerical modelling, cross-sectional area was determined by around 18 km in length of northwest-...

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Autores principales:	Karyanto, N. Haerudin, Zaenudin, Suharno, I.G.B. Darmawan, M. Adli, P. Manurung
Formato:	article
Lenguaje:	EN
Publicado:	Tamkang University Press 2021
Materias:	geothermal way ratai numerical model reservoir temperature steady-state Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999
Acceso en línea:	https://doaj.org/article/dd1fbe369c0e4bda806799ca0410c7a9
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spelling	oai:doaj.org-article:dd1fbe369c0e4bda806799ca0410c7a92021-11-25T05:13:39ZNumerical modeling for the steady-state condition of the geothermal system in Way Ratai10.6180/jase.202206_25(3).00112708-99672708-9975https://doaj.org/article/dd1fbe369c0e4bda806799ca0410c7a92021-11-01T00:00:00Zhttp://jase.tku.edu.tw/articles/jase-202206-25-3-0011https://doaj.org/toc/2708-9967https://doaj.org/toc/2708-9975Steady-state model of geothermal system in Way Ratai for exploration activities was numerically modelled by using the HYDROTHERM INTERACTIVE software based on the Newton-Raphson algorithm. In the present numerical modelling, cross-sectional area was determined by around 18 km in length of northwest-southeast (NW-SE) direction and 5 km in vertical direction from a mean sea level (msl) using grids width of 100 m, 200 m, and 500 m. Numerical simulation was run for 100,000 years using an interval 1000 years along with manifestation data as reference current conditions. Significant results of simulation were obtained at a 25,000 iteration years, identifying as steady-state condition for the Way Ratai geothermal system. The numerical results show that geothermal reservoirs potentially has a length range of approximately 9 km, with a thickness of 0.5-1.5 km with a temperature ranging from 250 - 350◦C. The reservoir’s depth is ranging from 600-1200 m beneath thick caprocks and strengthens previous AMT research results. The distribution of steam trapped in the southeastern part of the Way Ratai peak becomes an important target for exploration drilling. Furthermore, according to large area, thickness, and high reservoir temperature from numerical models, the Way Ratai geothermal system is potential to being explored because the geothermal reservoirs contain a high enthalpy mass of steam.KaryantoN. HaerudinZaenudinSuharnoI.G.B. DarmawanM. AdliP. ManurungTamkang University Pressarticlegeothermalway ratai numerical modelreservoir temperaturesteady-stateEngineering (General). Civil engineering (General)TA1-2040Chemical engineeringTP155-156PhysicsQC1-999ENJournal of Applied Science and Engineering, Vol 25, Iss 3, Pp 447-456 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	geothermal way ratai numerical model reservoir temperature steady-state Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999
spellingShingle	geothermal way ratai numerical model reservoir temperature steady-state Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999 Karyanto N. Haerudin Zaenudin Suharno I.G.B. Darmawan M. Adli P. Manurung Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
description	Steady-state model of geothermal system in Way Ratai for exploration activities was numerically modelled by using the HYDROTHERM INTERACTIVE software based on the Newton-Raphson algorithm. In the present numerical modelling, cross-sectional area was determined by around 18 km in length of northwest-southeast (NW-SE) direction and 5 km in vertical direction from a mean sea level (msl) using grids width of 100 m, 200 m, and 500 m. Numerical simulation was run for 100,000 years using an interval 1000 years along with manifestation data as reference current conditions. Significant results of simulation were obtained at a 25,000 iteration years, identifying as steady-state condition for the Way Ratai geothermal system. The numerical results show that geothermal reservoirs potentially has a length range of approximately 9 km, with a thickness of 0.5-1.5 km with a temperature ranging from 250 - 350◦C. The reservoir’s depth is ranging from 600-1200 m beneath thick caprocks and strengthens previous AMT research results. The distribution of steam trapped in the southeastern part of the Way Ratai peak becomes an important target for exploration drilling. Furthermore, according to large area, thickness, and high reservoir temperature from numerical models, the Way Ratai geothermal system is potential to being explored because the geothermal reservoirs contain a high enthalpy mass of steam.
format	article
author	Karyanto N. Haerudin Zaenudin Suharno I.G.B. Darmawan M. Adli P. Manurung
author_facet	Karyanto N. Haerudin Zaenudin Suharno I.G.B. Darmawan M. Adli P. Manurung
author_sort	Karyanto
title	Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
title_short	Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
title_full	Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
title_fullStr	Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
title_full_unstemmed	Numerical modeling for the steady-state condition of the geothermal system in Way Ratai
title_sort	numerical modeling for the steady-state condition of the geothermal system in way ratai
publisher	Tamkang University Press
publishDate	2021
url	https://doaj.org/article/dd1fbe369c0e4bda806799ca0410c7a9
work_keys_str_mv	AT karyanto numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT nhaerudin numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT zaenudin numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT suharno numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT igbdarmawan numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT madli numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai AT pmanurung numericalmodelingforthesteadystateconditionofthegeothermalsysteminwayratai
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Numerical modeling for the steady-state condition of the geothermal system in Way Ratai

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