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Geoscience Data and Collections: National Resources in Peril
D Types of Geoscience Data and Collections
TABLE D-1 Examples of Geoscience Collections
Auger samples
Fluid samples (oil, gas, water)
Geochemical powder samples
Hand samples (incl. geotechnical, rock, and mineral)
Ice cores
Paleontological samples (micro/macro)
Rock cores
Rock cuttings
Sediment cores
Sidewall cores
Thin sections and polished sections
Type stratigraphic sections
TABLE D-2 Examples of Derived and Indirect Geoscience Data
Geophysical Data
Paleomagnetic resistivity
Potential fields
Seismic data (hardcopy, films, digital)
Seismic refraction
2-D and 3-D seismic reflection
Surface & airborne data
Velocity
Vertical seismic profiles
Well logs (paper, fiche, digital)
Petrophysical Data
Lithology logs (incl. mud and gas logs)
Routine (porosity, permeability, grain density)
Special (porosity & permeability under confining stress, Archie cementation, saturation exponent, capillary pressure, relative permeability)
Geochemical Data
Analyses—hard copy, digital
Other Data
Maps (topographic, geologic, subsurface, base, lease ownership, digital well spots, alteration, soils, groundwater studies, sample location, etc.)
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Geoscience Data and Collections: National Resources in Peril
D
Types of Geoscience Data and Collections
TABLE D-1 Examples of Geoscience Collections
Auger samples
Fluid samples (oil, gas, water)
Geochemical powder samples
Hand samples (incl. geotechnical, rock, and mineral)
Ice cores
Paleontological samples (micro/macro)
Rock cores
Rock cuttings
Sediment cores
Sidewall cores
Thin sections and polished sections
Type stratigraphic sections
TABLE D-2 Examples of Derived and Indirect Geoscience Data
Geophysical Data
Paleomagnetic resistivity
Potential fields
Seismic data (hardcopy, films, digital)
Seismic refraction
2-D and 3-D seismic reflection
Surface & airborne data
Velocity
Vertical seismic profiles
Well logs (paper, fiche, digital)
Petrophysical Data
Lithology logs (incl. mud and gas logs)
Routine (porosity, permeability, grain density)
Special (porosity & permeability under confining stress, Archie cementation, saturation exponent, capillary pressure, relative permeability)
Geochemical Data
Analyses—hard copy, digital
Other Data
Maps (topographic, geologic, subsurface, base, lease ownership, digital well spots, alteration, soils, groundwater studies, sample location, etc.)
Field notes
Paper reports
Photographs (aerial, satellite, slides, prints, planetary)
Scout tickets (fiche and paper)
Drilling/completion reports
Drill stem & other tests
Stratigraphic tops
Production history
Source-rock maturity analysis
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