Patents by Inventor Ron D. Nelson

Ron D. Nelson 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).

  • Sea-floor pressure head assembly
    Patent number: 6772843
    Abstract: A method for eliminating the presence of micro-annuluses associated with a subsea hydrocarbon producing wellbore for accurate gathering of data within the subsea hydrocarbon producing wellbore. The method involves using a sea floor pressure head assembly in conjunction with a subsea blow out preventer, where the sea floor pressure head assembly has an elongated tube with a stop ring formed thereon and an ambient pressure side. The blow out preventer is connected to the entrance of the subsea hydrocarbon producing wellbore, and includes an inflatable bladder and is connected to a hollow riser connected thereto.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: August 10, 2004
    Assignee: Baker Hughes Incorporated
    Inventors: Sidney Basil Nice, Freeman Lee Hill, Ron D. Nelson
  • Sea-floor pressure head assembly
    Publication number: 20020104660
    Abstract: A method is provided for eliminating the presence of micro-annuluses associated with a subsea hydrocarbon producing wellbore for accurate gathering of data within the subsea hydrocarbon producing wellbore. The method involves using a sea floor pressure head assembly in conjunction with a subsea blow out preventer, where the sea floor pressure head assembly has an elongated tube with a stop ring formed thereon and an ambient pressure side. The blow out preventer is connected to the entrance of the subsea hydrocarbon producing wellbore, and includes an inflatable bladder and is connected to a hollow riser connected thereto.
    Type: Application
    Filed: December 4, 2001
    Publication date: August 8, 2002
    Applicant: BAKER HUGHES, INCORPORATED
    Inventors: Sidney Basil Nice, Freeman Lee Hill, Ron D. Nelson