Hawaii Play Fairway Analysis: Lanai Resistivity and Densi...

us-doe-gov·January 11, 2025

Description

Hawaii Play Fairway Analysis: Lanai Resistivity and Density 3D Inversion Models

Summary

Original Title: Hawaii Play Fairway Analysis: Lanai Resistivity and Density 3D Inversion Models

To prepare for its third phase, the Hawaii Play Fairway project conducted groundwater sampling and analyses in ten locations in the Hawaiian islands, magnetotelluric (MT) and gravity surveys, as well as calculations of 3D subsurface stress due to the weight of the rock underlying the topography of the volcano. The subsurface stresses were used to evaluate the potential for fracture-induced permeability. Inversions of the MT and gravity data produce 3D models of resistivity and density, respectively, on Lanai, across Haleakala's SW rift (Maui), and surrounding Mauna Kea (Hawaii Island). The project developed and applied a new method for incorporating depth information about resistivity, density, and potential for fracture-induced permeability into the statistical method for computing resource probability in these three focus areas. The project then incorporated the new groundwater results with the new geophysical results and the calculations of potential for fracture-induced permeability to produce updated maps of resource probability and confidence. These results were used to identify target sites for exploratory drilling. Spreadsheet information: Each sheet contains data for a particular depth in kilometers. Positive depths are above sea level, and negative below. For more information, go to the Hawaii Groundwater and Geothermal Resources Center website linked in the resources.

Source: https://catalog.data.gov/dataset/hawaii-play-fairway-analysis-lanai-resistivity-and-density-3d-inversion-models
Last updated at https://catalog.data.gov/organization/doe-gov : 2022-06-29

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us-doe-gov
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CreatedJuly 04, 2022
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data
density
egs
energy
geothermal
gravity
haleakala
hawaii
lanai
ma
magnetotelluric
maui
mt
potential
resistivity
resource
stress
subsurface
survey
test
volcano
public datasets
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Hawaii Play Fairway Analysis: Lanai Resistivity and Densi...

us-doe-gov·January 11, 2025

Description

Hawaii Play Fairway Analysis: Lanai Resistivity and Density 3D Inversion Models

Summary

Original Title: Hawaii Play Fairway Analysis: Lanai Resistivity and Density 3D Inversion Models

To prepare for its third phase, the Hawaii Play Fairway project conducted groundwater sampling and analyses in ten locations in the Hawaiian islands, magnetotelluric (MT) and gravity surveys, as well as calculations of 3D subsurface stress due to the weight of the rock underlying the topography of the volcano. The subsurface stresses were used to evaluate the potential for fracture-induced permeability. Inversions of the MT and gravity data produce 3D models of resistivity and density, respectively, on Lanai, across Haleakala's SW rift (Maui), and surrounding Mauna Kea (Hawaii Island). The project developed and applied a new method for incorporating depth information about resistivity, density, and potential for fracture-induced permeability into the statistical method for computing resource probability in these three focus areas. The project then incorporated the new groundwater results with the new geophysical results and the calculations of potential for fracture-induced permeability to produce updated maps of resource probability and confidence. These results were used to identify target sites for exploratory drilling. Spreadsheet information: Each sheet contains data for a particular depth in kilometers. Positive depths are above sea level, and negative below. For more information, go to the Hawaii Groundwater and Geothermal Resources Center website linked in the resources.

Source: https://catalog.data.gov/dataset/hawaii-play-fairway-analysis-lanai-resistivity-and-density-3d-inversion-models
Last updated at https://catalog.data.gov/organization/doe-gov : 2022-06-29

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