Patents by Inventor Mary E. Coles

Mary E. Coles 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).

  • Method for evaluating core samples from x-ray energy attenuation measurements
    Patent number: 5164590
    Abstract: X-ray attenuation measurements at two or more energies are carried out on core samples of earth materials for use in determining the relative contributions of Compton scattering and photoelectric absorption to the attenuation of the beams of X-rays by the samples. The measurements are utilized to calculate material bulk density, responsive to the difference in attenuation measured with respect to beams of two different X-ray energies and the attenuation of the beams of one of X-rays.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: November 17, 1992
    Assignee: Mobil Oil Corporation
    Inventors: Mary E. Coles, Ernest L. Muegge
  • Method for determining density of samples of materials employing X-ray energy attenuation measurements
    Patent number: 5063509
    Abstract: X-ray attenuation measurements at two or more energies are carried out on core samples of earth materials for use in determining relative Compton scattering and photoelectric contributions to attenuation. The measurements are utilized to calculate material bulk density from the change in attenuation between such dual X-ray energies and the attenuation for one of the dual X-ray energies.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: November 5, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Mary E. Coles, Ernest L. Muegge