Radiant energy – Geological testing or irradiation
Patent
1985-01-10
1987-07-07
Howell, Janice A.
Radiant energy
Geological testing or irradiation
364420, G01V 500
Patent
active
046789111
ABSTRACT:
A method of collecting and processing spectral data obtained from the earth's surface is employed to identify areas where hydrocarbon seepage to the surface is occurring. Intensity or brightness is detected from bands 4 and 5 of light reflected from a plurality of pixels, each pixel being a small subsection of a large sectional area of the earth's terrain. Band 4 and band 5 intensity values are accordingly obtained for each pixel. An alteration index, or H(x), value is then calculated for each pixel wherein
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Chang et al., Horler et al., Lefeure and Lyon "Official Program", Sixth Annual Pecora Sympossium and Exposition, Apr. 1980.
Patton Keith H.
Sundberg Kenneth R.
Howell Janice A.
Phillips Petroleum
Sharp William R.
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