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:
Jan. 11, 1994
Filed:
Apr. 17, 1990
Carl A Perry, Middletown, CT (US);
Guy A Daigle, Plainville, CT (US);
William Bruck, Glastonbury, CT (US);
Roy Nordstrom, Durham, CT (US);
Steven Rountree, Layafette, LA (US);
Joseph Dudek, Jr, Southington, CT (US);
James Tsang, Manalapan, NJ (US);
Leonard Goldman, Merion Station, PA (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A method and apparatus for nuclear logging, and in particular, neutron porosity logging is presented. In accordance with the present invention, a pair of spaced lithium detectors, preferably Li.sup.6 I crystal or Li.sup.6 doped glass are used to detect neutrons emitted from a borehole formation being logged. In addition, novel data processing is used to strip the gamma-ray peak from the spectrum developed by the lithium detectors.