Patents by Inventor Colin P. John

Colin P. John 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).

  • Deployable zonal isolation system
    Patent number: 7870909
    Abstract: A method of providing zonal isolation in a wellbore completion includes the steps of identifying an anticipated zone for isolation in a wellbore before completing the wellbore; selecting, before completing the wellbore, a completion assembly and a cooperative deployable isolation assembly to isolate the anticipated zone; completing the wellbore with the selected completion assembly; and connecting the selected deployable isolation assembly in the selected completion assembly to isolate the anticipated zone.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: January 18, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Colin P. John, Geoffrey R. Kernick, Vincent Rodet