Patents by Inventor Jason Dahlem

Jason Dahlem 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).

  • Subsea Well Intervention Systems and Methods
    Publication number: 20150337632
    Abstract: A system for performing an intervention on a subsea wellhead, the system including a production tree having a central axis, a first end, a second end, and a first flow bore extending axially from the first end to the second end. The production tree includes a master valve disposed along the first flow bore, a swab valve disposed along the first flow bore between the master valve and the first end, and a shearing device disposed along the first flow bore between the master valve and the second end. The second end of the production tree comprises a connector configured to releasably couple to the subsea wellhead, and the shearing device is configured to shear a component extending through the first flow bore.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Applicant: BP CORPORATION NORTH AMERICA, INC.
    Inventors: Jason Dahlem, Matthew Green
  • Subsea well intervention system and methods
    Patent number: 9127524
    Abstract: A system for performing an intervention on a subsea wellhead, the system including a production tree having a central axis, a first end, a second end, and a first flow bore extending axially from the first end to the second end. The production tree includes a master valve disposed along the first flow bore, a swab valve disposed along the first flow bore between the master valve and the first end, and a shearing device disposed along the first flow bore between the master valve and the second end. The second end of the production tree comprises a connector configured to releasably couple to the subsea wellhead, and the shearing device is configured to shear a component extending through the first flow bore.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: September 8, 2015
    Assignee: BP Corporation North America Inc.
    Inventors: Jason Dahlem, Matthew Green
  • Subsea Well Intervention System and Methods
    Publication number: 20140251633
    Abstract: A system for performing an intervention on a subsea wellhead, the system including a production tree having a central axis, a first end, a second end, and a first flow bore extending axially from the first end to the second end. The production tree includes a master valve disposed along the first flow bore, a swab valve disposed along the first flow bore between the master valve and the first end, and a shearing device disposed along the first flow bore between the master valve and the second end. The second end of the production tree comprises a connector configured to releasably couple to the subsea wellhead, and the shearing device is configured to shear a component extending through the first flow bore.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: BP Corporation North America Inc.
    Inventors: Jason Dahlem, Matthew Green