skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Analysis of geophysical logs from the Hawaii geothermal project well

Abstract

A 6445-foot test well was completed on April 27, 1976 in the Puna Area of Hawaii as part of an extensive project to investigate a geothermal reservoir for energy production. Because bottom hole temperatures exceeded 300/sup 0/C, it was possible to run geophysical logs in the upper 3500 feet only. Study of conventional and induction resistivity, self potential, neutron, gamma ray, caliper, temperature, temperature differential and drilling rate logs show that porosity, permeability and fluid flow are qualitatively identified on the logs. Lithologic logs of sample cuttings taken at five- to ten-foot intervals (together with cores taken at approximately 700-foot intervals) substantiate preliminary findings of the porous and permeable zones. Although the logs investigated are above many of the zones of production, new information was obtained about the in-situ nature of permeability in Hawaiian basalts.

Authors:
Publication Date:
Research Org.:
Indiana Univ., Bloomington (USA)
OSTI Identifier:
5778794
Alternate Identifier(s):
OSTI ID: 5778794
Report Number(s):
HIG-78-9
DOE Contract Number:  
EY-76-C-03-1093
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY; GEOTHERMAL WELLS; WELL DRILLING; WELL LOGGING; HAWAII; BASALT; CALIPER LOGGING; EXPLORATORY WELLS; FLUID FLOW; GAMMA LOGGING; INDUCTION LOGGING; LITHOLOGY; NEUTRON LOGGING; PERMEABILITY; POROSITY; RESISTIVITY LOGGING; SP LOGGING; TEMPERATURE LOGGING; DRILLING; ELECTRIC LOGGING; IGNEOUS ROCKS; NORTH AMERICA; RADIOACTIVITY LOGGING; ROCKS; USA; WELLS; WESTERN REGION Geothermal Legacy 150303* -- Geothermal Exploration & Exploration Technology-- Exploratory Drilling & Well Logging

Citation Formats

Rudman, A.J. Analysis of geophysical logs from the Hawaii geothermal project well. United States: N. p., 1978. Web. doi:10.2172/5778794.
Rudman, A.J. Analysis of geophysical logs from the Hawaii geothermal project well. United States. doi:10.2172/5778794.
Rudman, A.J. Fri . "Analysis of geophysical logs from the Hawaii geothermal project well". United States. doi:10.2172/5778794. https://www.osti.gov/servlets/purl/5778794.
@article{osti_5778794,
title = {Analysis of geophysical logs from the Hawaii geothermal project well},
author = {Rudman, A.J.},
abstractNote = {A 6445-foot test well was completed on April 27, 1976 in the Puna Area of Hawaii as part of an extensive project to investigate a geothermal reservoir for energy production. Because bottom hole temperatures exceeded 300/sup 0/C, it was possible to run geophysical logs in the upper 3500 feet only. Study of conventional and induction resistivity, self potential, neutron, gamma ray, caliper, temperature, temperature differential and drilling rate logs show that porosity, permeability and fluid flow are qualitatively identified on the logs. Lithologic logs of sample cuttings taken at five- to ten-foot intervals (together with cores taken at approximately 700-foot intervals) substantiate preliminary findings of the porous and permeable zones. Although the logs investigated are above many of the zones of production, new information was obtained about the in-situ nature of permeability in Hawaiian basalts.},
doi = {10.2172/5778794},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Sep 01 00:00:00 EDT 1978},
month = {Fri Sep 01 00:00:00 EDT 1978}
}

Technical Report:

Save / Share: