GEOTHERMAL TECHNOLOGIES LEGACY COLLECTION - Bibliographic Citation


Bibliographic Citation


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Title: Geothermal Exploration in Hot Springs, Montana
Creator/Author: Toby McIntosh, Jackola Engineering
Publication Date:2012 Sep 26
OSTI Identifier:OSTI 1060946
Report Number(s):1
DOE Contract Number:EE0003220
Document Type:Technical Report
Specific Type:
Coverage:Final
Resource Relation:
Other Number(s):
Research Org:Flathead Electric Cooperative
Sponsoring Org:USDOE; USDOE EE Office of Geothermal Technologies (EE-2C)
Subject:15 GEOTHERMAL ENERGY
Keywords:Hot Springs exploration
Description/Abstract:The project involves drilling deeper in the Camp Aqua well dri lled in June 1982 as part of an effort to develop an ethanol plant. The purpose of the current drill ing effort is to determine if water at or above 165°F exists for the use in low temperature resource power generation. Previous geothermal resource study efforts in and around Hot Springs , MT and the Camp Aqua area (NE of Hot Springs) have been conducted through the years. A confined gravel aquifer exists in deep alluvium overlain by approximately 250’ of si lt and c lay deposits from Glacial Lake Missoula. This gravel aquifer overlies a deeper bedrock aquifer. In the Camp Aqua area several wel l s exist in the gravel aquifer which receives hot water f rom bedrock fractures beneath the area. Prior to this exploration, one known well in the Camp Aqua area penetrated into the bedrock without success in intersecting fractures transporting hot geothermal water. The exploration associated with this project adds to the physical knowledge database of the Camp Aqua area. The dri l l ing effort provides additional subsurface information that can be used to gain a better understanding of the bedrock formation that i s leaking hot geothermal water into an otherwise cold water aquifer. The exi s t ing well used for the explorat ion is located within the “center” of the hottest water within the gravel aquifer. This lent i t sel f as a logical and economical location to continue the exploration within the existing well. Faced with budget constraints due to unanticipated costs, changing dril l ing techniques stretched the limited project resources to maximize the overa l l well depth which f e l l short of original project goals. The project goal of finding 165°F or hotter water was not achieved; however the project provides additional information and understanding of the Camp Aqua area that could prove valuable in future exploration efforts
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Country of Publication:US
Language:English
Size/Format:Medium: ED; Size: 7,717 KB
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System Entry Date:2013 Mar 07
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