Patents by Inventor James C. Mullen, II

James C. Mullen, II 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).

  • Methods for cementing a subterranean wellbore
    Patent number: 10329873
    Abstract: A method for cementing a tubular member within a subterranean wellbore extending from a surface into a subterranean formation and through a hydrocarbon reservoir includes (a) injecting a gas from the surface into an annulus surrounding the tubular member within the wellbore. In addition, the method includes (b) flowing cement through a throughbore of the tubular member. Further, the method includes (c) displacing the cement from the throughbore of the tubular member into the annulus. Still further, the method includes (d) reducing a pressure of the gas in the annulus during (c).
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: June 25, 2019
    Assignee: EOG RESOURCES, INC.
    Inventor: James C. Mullen, II
  • METHODS FOR CEMENTING A SUBTERRANEAN WELLBORE
    Publication number: 20180058175
    Abstract: A method for cementing a tubular member within a subterranean wellbore extending from a surface into a subterranean formation and through a hydrocarbon reservoir includes (a) injecting a gas from the surface into an annulus surrounding the tubular member within the wellbore. In addition, the method includes (b) flowing cement through a throughbore of the tubular member. Further, the method includes (c) displacing the cement from the throughbore of the tubular member into the annulus. Still further, the method includes (d) reducing a pressure of the gas in the annulus during (c).
    Type: Application
    Filed: August 24, 2017
    Publication date: March 1, 2018
    Applicant: EOG Resources, Inc.
    Inventor: James C. Mullen, II