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History Of Geothermal Exploration In Indonesia From 1970 To 2000
Abstract Reconnaissance surveys undertaken since th
Reconnaissance surveys undertaken since the 1960s show that more than 200 geothermal prospects with significant active surface manifestations occur throughout Indonesia. Some 70 of these were identified by the mid-1980s as potential high-temperature systems using geochemical criteria of discharged thermal fluids. Between 1970 and 1995, about 40 of these were explored using geological mapping, geochemical and detailed geophysical surveys. Almost half of the surveyed prospects were tested by deep (0.5-3 km) exploratory drilling, which led to the discovery of 15 productive high-temperature reservoirs. Several types of reservoirs were encountered: liquid-dominated, vapour-dominated, and a vapour layer/liquid-saturated substratum type. All three may be modified by upflows (plumes) containing magmatic fluid components (volcanic geothermal systems). Large, concealed outflows are a common feature of liquid-dominated systems in mountainous terrain. All explored prospects are hosted by Quaternary volcanic rocks, associated with arc volcanism, and half occur beneath the slopes of active or dormant stratovolcanoes. By 1995, five fields had been developed by drilling of production wells; three of them supplied steam to plants with a total installed capacity of 305 MWe. By 2000, with input from foreign investors, the installed capacity had reached 800 MWe in six fields, but geothermal developments had stalled because of the 1997-1998 financial crisis.
because of the 1997-1998 financial crisis.  +
Author Manfred P. Hochstein  + , Sayogi Sudarman  +
Citation Manfred P. Hochstein,Sayogi Sudarman. 200
Manfred P. Hochstein,Sayogi Sudarman. 2008. [[History Of Geothermal Exploration In Indonesia From 1970 To 2000]]. Geothermics. <span title="Missing required info" style="font-weight:bold;color:red;">(!)[[Category:Missing Required Information]]</span> .
sing Required Information]]</span> .  +
DOI 10.1016/j.geothermics.2008.01.001  +
Document type Journal Article  +
Name History Of Geothermal Exploration In Indonesia From 1970 To 2000  +
PublicationDate 2008  +
Publisher Geothermics  +
Has query
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History Of Geothermal Exploration In Indonesia From 1970 To 2000 + , History Of Geothermal Exploration In Indonesia From 1970 To 2000 +
Categories References , Missing Required Information
Modification date
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03:21:21, 19 September 2014  +
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