Patents by Inventor Per Amund Amundsen

Per Amund Amundsen 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).

  • Method of adjusting properties of drilling fluids and apparatus for use in such methods
    Patent number: 9194972
    Abstract: The present invention provides a method of determining a physiochemical property of a drilling fluid at a drilling site during a drilling phase, said method comprising detecting a nuclear magnetic resonance signal from out-of-hole drilling fluid at said site and calculating therefrom a value indicative of said property.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: November 24, 2015
    Assignee: STATOIL PETROLEUM AS
    Inventors: Claas Van Der Zwaag, Arild Saasen, Tor Henry Omland, Per Amund Amundsen
  • METHOD OF ADJUSTING PROPERTIES OF DRILLING FLUIDS AND APPARATUS FOR USE IN SUCH METHODS
    Publication number: 20120013335
    Abstract: The present invention provides a method of determining a physiochemical property of a drilling fluid at a drilling site during a drilling phase, said method comprising detecting a nuclear magnetic resonance signal from out-of-hole drilling fluid at said site and calculating therefrom a value indicative of said property.
    Type: Application
    Filed: March 2, 2010
    Publication date: January 19, 2012
    Applicant: STATOIL ASA
    Inventors: Arild Saasen, Claas Van Der Zwaag, Tor Henry Omland, Per Amund Amundsen
  • METHOD OF WELL CEMENTING
    Publication number: 20100186955
    Abstract: The invention provides a method for cementing in a lining tube in a bore hole, said method comprising placing said lining tube at a distal end of said bore hole, introducing a liquid hydraulic cement containing a setting retarder into said distal end of said bore hole, and applying a fluctuating electromagnetic or magnetic field from within said lining tube whereby to heat cement outside said lining tube directly or via a electromagnetic radiation transmitter positioned on the outside of said lining tube.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 29, 2010
    Inventors: Arild Saasen, Hallvar Eide, Rune Godoy, Per Amund Amundsen