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dc.contributor.author Chen, Bill en_US
dc.contributor.author Kihara, Deane en_US
dc.contributor.author Seki, Arthur en_US
dc.contributor.author Takahashi, Patrick K en_US
dc.contributor.author Yuen, Paul C en_US
dc.date.accessioned 2012-04-10T17:43:29Z en_US
dc.date.available 2012-04-10T17:43:29Z en_US
dc.date.issued 1976-10-31 en_US
dc.identifier.citation Chen B, Kihara D, Seki A, Takahashi PK, Yuen PC. 1976. Geothermal Reservoir Engineering of HGP-A: A Summary Report of Activities up to October 31, 1976. Technical Report No. 19. Honolulu (HI): Hawaii Geothermal Project, University of Hawaii. en_US
dc.identifier.other OSTI ID: 6388503 en_US
dc.identifier.other Report Number: DOE/ET/28302-T3 en_US
dc.identifier.uri http://hdl.handle.net/10125/22353 en_US
dc.description The initial four holes were drilled in 1961 by the Hawaii Thermal Power Company. Recent measurements have shown that these temperatures have not change significantly. It is interesting to note that TTW #2 shows virtually a continuous increase in temperature with depth, with a sharp gradient from 253 to 262 feet. However, the well had caved in at around 361 feet, when a temperature of 97° was measured at this point in 1975. TTW #3 was measured to the bottom of the well. where a peak temperature of 93°C was measured at around 540 feet. A sharp positive gradient was measured from 460 feet to 540 feet, and a rather sharp negative gradient (not as steep as the positive gradient) from 540 feet to the bottom (Epp and Ha1unen, 1976). en_US
dc.description.abstract The history of geothermal well drilling in Hawaii is reviewed briefly. The following are discussed: the geophysical program, pre-drilling speculative models, geothermal reservoir engineering, the drilling program, the measurement activities, a preliminary reservoir analysis of HGP-A well, and future activities. (MHR) en_US
dc.description.sponsorship National Science Foundation Research Grant No. GI-38319 en_US
dc.description.sponsorship Energy Research and Development Administration Research Grant No. E(04-3)-1093 en_US
dc.description.sponsorship Department of Energy Contract Number: AC03-76ET28302 en_US
dc.format.extent 49 pages en_US
dc.language.iso en-US en_US
dc.publisher Hawaii Geothermal Project, University of Hawaii en_US
dc.subject drilling en_US
dc.subject exploration en_US
dc.subject HGP-A en_US
dc.title Geothermal reservoir engineering of HGP-A: A summary report of activities up to October 31, 1976. Technical report No. 19 en_US
dc.type Report en_US
dc.type.dcmi Text en_US

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