The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 1987
Filed:
Jan. 10, 1985
Applicant:
Inventors:
Kenneth R Sundberg, Bartlesville, OK (US);
Keith H Patton, Bartlesville, OK (US);
Assignee:
Phillips Petroleum, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250253 ; 364420 ;
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