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• 1. [Image] Attempt at Paleomagnetic Dating of Opal, Roosevelt Hot Springs KGRA

  	The results of paleomagnetic investigation of a drill core from the Opal Dome at Roosevelt Hot Springs are reported. A log of the core from 1.5 to 16.8 m is given. (MHR)
  	Citation × Citation Citation Abstract Copy Title: Attempt at Paleomagnetic Dating of Opal, Roosevelt Hot Springs KGRA Author: Brown, F.H. Year: 1977 The results of paleomagnetic investigation of a drill core from the Opal Dome at Roosevelt Hot Springs are reported. A log of the core from 1.5 to 16.8 m is given. (MHR) Title: Attempt at Paleomagnetic Dating of Opal, Roosevelt Hot Springs KGRA Author: Brown, F.H. Year: 1977 The results of paleomagnetic investigation of a drill core from the Opal Dome at Roosevelt Hot Springs are reported. A log of the core from 1.5 to 16.8 m is given. (MHR) Close

• 2. [Image] Research on the Physical Properties of Geothermal Reservoir Rock. Quarterly Report.

  	Laboratory measurements of thermal conductivity and capillary pressure have been undertaken for samples of Cenozoic Volcanic rocks collected from the Columbia Plateau Volcanic basin. These measurements ...
  	Citation × Citation Citation Abstract Copy Title: Research on the Physical Properties of Geothermal Reservoir Rock. Quarterly Report. Author: Skokan, C.K. Year: 1978 Laboratory measurements of thermal conductivity and capillary pressure have been undertaken for samples of Cenozoic Volcanic rocks collected from the Columbia Plateau Volcanic basin. These measurements were performed at atmospheric pressure and room temperature. Various methods of measuring thermal conductivity were investigated and finally a flash method was chosen. The equipment was constructed and tested. The results were favorable. Numerous capillary pressure curves were obtained by use of the mercury injection technique. These curves indicate pore structure: pore size, pore distribution, pore volume, and pore geometry. Measurements of this type help to explain variations in rock properties such as seismic velocities and resistivities Title: Research on the Physical Properties of Geothermal Reservoir Rock. Quarterly Report. Author: Skokan, C.K. Year: 1978 Laboratory measurements of thermal conductivity and capillary pressure have been undertaken for samples of Cenozoic Volcanic rocks collected from the Columbia Plateau Volcanic basin. These measurements were performed at atmospheric pressure and room temperature. Various methods of measuring thermal conductivity were investigated and finally a flash method was chosen. The equipment was constructed and tested. The results were favorable. Numerous capillary pressure curves were obtained by use of the mercury injection technique. These curves indicate pore structure: pore size, pore distribution, pore volume, and pore geometry. Measurements of this type help to explain variations in rock properties such as seismic velocities and resistivities Close

• 3. [Image] Planning, Drilling, Logging, and Testing of Energy Extraction Hole EE-1, Phases I and II

  	Energy Extraction Hole No. 1 (EE-1) is the second deep hole drilled into the Precambrian-age granitic rocks of the Jemez Mountains of north-central New Mexico. EE-1 was drilled to intersect a hydraulic ...
  	Citation × Citation Citation Abstract Copy Title: Planning, Drilling, Logging, and Testing of Energy Extraction Hole EE-1, Phases I and II Author: Pettitt, R.A. Year: 1977 Energy Extraction Hole No. 1 (EE-1) is the second deep hole drilled into the Precambrian-age granitic rocks of the Jemez Mountains of north-central New Mexico. EE-1 was drilled to intersect a hydraulic fracture extending outward from near the bottom of previously drilled hole GT-2, thus completing the underground circulation loop required for the hot dry rock geothermal energy extraction experiment. Directional drilling techniques were used to intersect the fracture zone. In addition, high-temperature instrumentation and equipment development, hydraulic fracturing experiments, pressure-flow testing of the fracture systems, and fracture mapping and borehole-ranging technique activities were conducted. The drilling, logging, and testing operations in EE-1 are described Title: Planning, Drilling, Logging, and Testing of Energy Extraction Hole EE-1, Phases I and II Author: Pettitt, R.A. Year: 1977 Energy Extraction Hole No. 1 (EE-1) is the second deep hole drilled into the Precambrian-age granitic rocks of the Jemez Mountains of north-central New Mexico. EE-1 was drilled to intersect a hydraulic fracture extending outward from near the bottom of previously drilled hole GT-2, thus completing the underground circulation loop required for the hot dry rock geothermal energy extraction experiment. Directional drilling techniques were used to intersect the fracture zone. In addition, high-temperature instrumentation and equipment development, hydraulic fracturing experiments, pressure-flow testing of the fracture systems, and fracture mapping and borehole-ranging technique activities were conducted. The drilling, logging, and testing operations in EE-1 are described Close