Patents by Inventor Trond R. Skar

Trond R. Skar 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 drilling a wellbore, setting a liner and cementing the wellbore during a single trip
    Patent number: 9004195
    Abstract: A method of forming a wellbore is disclosed. An inner string and an outer string are conveyed downhole. The inner string is attached to the outer string at a first location and the wellbore is formed. The inner stringy is attached to the outer string at a second location us hole of the first location and an annulus between the outer string and the wellbore is cemented without retrieving the inner string from the wellbore.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: April 14, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Thorsten Regener, Ingo Roders, Carl C. Clemmensen, Sascha Schwartze, Trond R. Skar, Tore Sorheim, Morten Eidem, Gaute Grindhaug
  • Apparatus and Method for Drilling a Wellbore, Setting a Liner and Cementing the Wellbore During a Single Trip
    Publication number: 20140054036
    Abstract: A method of forming a wellbore is provided that in one embodiment includes conveying an inner string and an outer string downhole; attaching the inner string to the outer string at a first location and forming the wellbore; and attaching the inner string to the outer string at a second location uphole of the first location and cementing an annulus between the outer string and the wellbore, without retrieving the inner string from the wellbore.
    Type: Application
    Filed: August 22, 2012
    Publication date: February 27, 2014
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Thorsten Regener, Ingo Roders, Carl C. Clemmensen, Sascha Schwartze, Trond R. Skar, Tore Sorheim, Morten Eidem, Gaute Grindhaug