Structural control is a strategy for exploitation well at Kamojang Geothermal Field, West Java, Indonesia

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Kamojang Geothermal Field is one of the best geothermal field in the world, explored since 1918. The field lies 33 km south-east Bandung, West Java. It is located in the centre of a volcanic chain which has progressively grown from WSW to ENE. Three tectonic activities have created current Kamojang structures. Firstly, the circular collapse of Pangkalan, 2 km in diameter whch occupies the central part of the Kamojang field; secondly, NE -SW flults of tensional and lateral origin, are parallel to the magmatic axis; and last, 5 km wide graben is a major expression of NW-SE tensional faults. The ... continued below

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79-84

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Hantono, Djoko; Mulyono, Agus & Hasibuan, Aidil January 24, 1996.

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Description

Kamojang Geothermal Field is one of the best geothermal field in the world, explored since 1918. The field lies 33 km south-east Bandung, West Java. It is located in the centre of a volcanic chain which has progressively grown from WSW to ENE. Three tectonic activities have created current Kamojang structures. Firstly, the circular collapse of Pangkalan, 2 km in diameter whch occupies the central part of the Kamojang field; secondly, NE -SW flults of tensional and lateral origin, are parallel to the magmatic axis; and last, 5 km wide graben is a major expression of NW-SE tensional faults. The faults, having N60 strike in the southeastern part of the field have been identified as a very important structures related to the main target of reservoir Kamojang field. Even if the faults and fractures have been altered in the upper part of the surface and form non permeable seals, the bottom sections may still be highly permeable. Therefore for development drilling one must consider the deep structures instead of just shallow expressions and alteration. Geological correlations between the several wells drilled up to date shows evidence that the structures correspond to the surface features as described above. Case study of well Kamojang denote that the structure identified as Citepus fault is founded in the depth of about 1400 m to 1700 m. v. d

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79-84

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  • Proceedings, Twenty-First Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, January 22-24, 1996

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  • Report No.: SGP-TR-151-12
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889719
  • Archival Resource Key: ark:/67531/metadc884923

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  • January 24, 1996

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  • Sept. 21, 2016, 2:29 a.m.

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  • Feb. 16, 2017, 8:55 p.m.

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Hantono, Djoko; Mulyono, Agus & Hasibuan, Aidil. Structural control is a strategy for exploitation well at Kamojang Geothermal Field, West Java, Indonesia, article, January 24, 1996; (digital.library.unt.edu/ark:/67531/metadc884923/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.