Patents by Inventor David E. COURTNAGE

David E. COURTNAGE 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).

  • Apparatus and method for isolating fluid flow in an open hole completion
    Patent number: 10082000
    Abstract: A zonal isolation apparatus for an open-hole wellbore completed with a gravel pack having sections of blank pipe intermediate selected sections of sand screen, comprising a blank liner, with a first packer and second packer disposed therein. The first and second packers are set adjacent to sections of blank pipe and seal an annular area formed between the blank liner and the surrounding sections of sand screen at the first and second sections of blank pipe. The flow of fluids into the wellbore intermediate the first and second sections of blank pipe is inhibited.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: September 25, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Marcel A. Grubert, David E. Courtnage, Jing Wan
  • Apparatus and Method for Isolating Fluid Flow in an Open Hole Completion
    Publication number: 20150292294
    Abstract: A zonal isolation apparatus for an open-hole wellbore completed with a gravel pack having sections of blank pipe intermediate selected sections of sand screen, comprising a blank liner, with a first packer and second packer disposed therein. The first and second packers are set adjacent to sections of blank pipe and seal an annular area formed between the blank liner and the surrounding sections of sand screen at the first and second sections of blank pipe. The flow of fluids into the wellbore intermediate the first and second sections of blank pipe is inhibited.
    Type: Application
    Filed: November 18, 2013
    Publication date: October 15, 2015
    Inventors: Marcel A. GRUBERT, David E. COURTNAGE, Jing WAN