Patents by Inventor Dave Barrow

Dave Barrow 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).

  • Patent number: 10428610
    Abstract: A tubing hanger running too assembly comprising passive motion compensation and pressure testing capability is described. Specifically, a tubing hanger running tool assembly is described which comprises a tubing hanger running tool and a pressure containing slip joint comprising an inner mandrel and an outer mandrel located concentrically such that the inner mandrel and outer mandrel slide relative to each other providing compression and extension along a linear axis with pressure containing seals located between the inner and outer mandrels.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: October 1, 2019
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Henry Bergeron, Dave Barrow
  • Patent number: 10273764
    Abstract: A method of running a tubing hanger and upper completion using a passively motion compensated tubing hanger running tool assembly in a subsea well located at a sea floor is described. Methods include using a tubing hanger running tool assembly comprising a tubing hanger running tool and a pressure containing slip joint to provide passive heave compensation.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 30, 2019
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Henry Bergeron, Dave Barrow
  • Patent number: 10094178
    Abstract: A passively motion compensated subsea well system is described. Specifically, a passively motion compensated subsea well system comprising a tubing hanger running tool assembly. The tubing hanger running tool assembly comprises a pressure containing slip joint comprising an inner mandrel and an outer mandrel located concentrically such that the inner mandrel and outer mandrel slide relative to each other providing compression and extension along a linear axis with pressure containing seals located between the inner and outer mandrels, and a tubing hanger running tool.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: October 9, 2018
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Henry Bergeron, Dave Barrow
  • Publication number: 20180058155
    Abstract: A passively motion compensated subsea well system is described. Specifically, a passively motion compensated subsea well system comprising a tubing hanger running tool assembly. The tubing hanger running tool assembly comprises a pressure containing slip joint comprising an inner mandrel and an outer mandrel located concentrically such that the inner mandrel and outer mandrel slide relative to each other providing compression and extension along a linear axis with pressure containing seals located between the inner and outer mandrels, and a tubing hanger running tool.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 1, 2018
    Inventors: Henry Bergeron, Dave Barrow
  • Publication number: 20180058162
    Abstract: A tubing hanger running too assembly comprising passive motion compensation and pressure testing capability is described. Specifically, a tubing hanger running tool assembly is described which comprises a tubing hanger running tool and a pressure containing slip joint comprising an inner mandrel and an outer mandrel located concentrically such that the inner mandrel and outer mandrel slide relative to each other providing compression and extension along a linear axis with pressure containing seals located between the inner and outer mandrels.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 1, 2018
    Inventors: Henry Bergeron, Dave Barrow
  • Publication number: 20180058156
    Abstract: A method of running a tubing hanger and upper completion using a passively motion compensated tubing hanger running tool assembly in a subsea well located at a sea floor is described. Methods include using a tubing hanger running tool assembly comprising a tubing hanger running tool and a pressure containing slip joint to provide passive heave compensation.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 1, 2018
    Inventors: Henry Bergeron, Dave Barrow