Patents by Inventor Graham Paterson Birkett

Graham Paterson Birkett 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).

  • RISER GAS HANDLING SYSTEM AND METHOD OF USE
    Publication number: 20190195032
    Abstract: The invention provides a system for handling gas in a riser. The system comprises a riser flow spool, a riser isolation device and an upper riser disconnect assembly wherein at least the riser flow spool is connected to the riser below a riser tension ring and the upper riser disconnect assembly is located above the riser tension ring.
    Type: Application
    Filed: September 1, 2017
    Publication date: June 27, 2019
    Inventors: Alan Murray Clark, Alan John Reid, Ian McQueen Allan, Graham Paterson Birkett
  • Combining different electromagnetic data to characterize a subterranean structure
    Patent number: 8836336
    Abstract: First electromagnetic data is acquired for a subterranean structure using a first survey technique, and second electromagnetic data is acquired for the subterranean structure using a second, different survey technique in which static positioning of at least one electromagnetic source is employed. The first and second electromagnetic data are combined to characterize the subterranean structure.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: September 16, 2014
    Assignees: WesternGeco L.L.C.
    Inventors: Tracy Campbell, Jostein Kjerstad, Graham Paterson Birkett
  • COMBINING DIFFERENT ELECTROMAGNETIC DATA TO CHARACTERIZE A SUBTERRANEAN STRUCTURE
    Publication number: 20120112752
    Abstract: First electromagnetic data is acquired for a subterranean structure using a first survey technique, and second electromagnetic data is acquired for the subterranean structure using a second, different survey technique in which static positioning of at least one electromagnetic source is employed. The first and second electromagnetic data are combined to characterize the subterranean structure.
    Type: Application
    Filed: August 12, 2011
    Publication date: May 10, 2012
    Applicant: WesternGeco L. L. C.
    Inventors: Tracy Campbell, Jostein Kjerstad, Graham Paterson Birkett