Patents by Inventor Christopher William Lillis

Christopher William Lillis 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).

  • Magnetic latching device for downhole wellbore intercept operations
    Patent number: 9540880
    Abstract: A downhole magnetic latching tool includes at least one permanent magnet deployed on a non-magnetic tool body. A magnetically permeable housing is deployed about the permanent magnet. The magnetic latching tool provides an attractive magnetic force between a drill string and a cased target wellbore.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: January 10, 2017
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Charles Henry Duck, Jr., Christopher William Lillis
  • Magnetic Latching Device For Downhole Wellbore Intercept Operations
    Publication number: 20150034312
    Abstract: A downhole magnetic latching tool includes at least one permanent magnet deployed on a non-magnetic tool body. A magnetically permeable housing is deployed about the permanent magnet. The magnetic latching tool provides an attractive magnetic force between a drill string and a cased target wellbore.
    Type: Application
    Filed: August 26, 2011
    Publication date: February 5, 2015
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Graham Arthur McElhinney, Charles Henry Duck, JR., Christopher William Lillis