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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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