Patents by Inventor Michael Eric Craven

Michael Eric Craven 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).

  • Publication number: 20240255669
    Abstract: A method is described for determining well integrity including deploying seismic sensors in a wellbore; attaching a vibrational source to well hardware; using the vibrational source to generate seismic signal that moves through the wellbore; creating a seismic dataset by recording the seismic signal at the seismic sensors; and processing the seismic dataset to make a processed seismic image. The processed seismic image may be displayed on a graphical display in order to identify well integrity problems such as wellbore deformation, well casing damage, or problems with cement.
    Type: Application
    Filed: January 17, 2024
    Publication date: August 1, 2024
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Ivan LIM CHEN NING, Michael Eric CRAVEN, Saptarshi DASGUPTA, Timothy John TOKAR
  • Publication number: 20240192393
    Abstract: Systems and methods are provided for correcting distributed acoustic sensing (DAS) data. The system can receive a seismic dataset with a plurality of initial seismic phase picks and a plurality of traces, and cross-correlate each of the plurality of initial seismic phase picks using the plurality of traces as reference traces. Each initial seismic phase pick can receive a set of corrected phase picks. The system can calculate a probability density function for each set of corrected phase picks. The system can select a peak of each probability density functions as accurate seismic phase picks. These accurate seismic phase picks can be used for event location in the DAS data.
    Type: Application
    Filed: December 7, 2023
    Publication date: June 13, 2024
    Inventors: Ivan Lim Chen Ning, Laura Catherine Swafford, Michael Eric Craven, Kevin John Davies