Patents by Inventor Ward Edward Schultz

Ward Edward Schultz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Combination of epithermal and inelastic neutron scattering methods to locate coal and oil shale zones
    Patent number: 3947683
    Abstract: A pulsed source of high energy neutrons is used to irradiate the earth formations in the vicinity of a well borehole. Gamma rays produced by the inelastic scattering of the fast neutrons are observed in four energy regions of the gamma ray energy spectrum corresponding to the inelastic scattering of neutrons by carbon, oxygen, silicon and calcium. Signals representative of the carbon/oxygen, calcium/silicon and carbon plus oxygen gamma rays observed are developed. By appropriately combining these signals with a separately derived hydrogen index log the quality of coal bearing formations or oil shale regions penetrated by the borehole may be determined.
    Type: Grant
    Filed: February 15, 1974
    Date of Patent: March 30, 1976
    Assignee: Texaco Inc.
    Inventors: Ward Edward Schultz, Harry Davis Smith, Jr., Philip France McKinlay