Patents by Inventor Lasse E. Aarnes

Lasse E. Aarnes 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).

  • Internal tree cap and ITC running tool
    Patent number: 8739883
    Abstract: Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to said subsea well unit (301) or internal tubular element (303). The ITC further comprises a fluid channel (215) extending through a fluid barrier between the lower and upper part of the internal tree cap (201), which fluid channel (215) is blocked by a burst element (217) adapted to break and open for fluid flow through the fluid channel (215) when exposed to a predetermined pressure difference over the burst element (217). The invention also relates to an ITC running tool (101) and a locking mechanism (117) for supporting the ITC in the tool.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: June 3, 2014
    Assignee: Aker Subsea AS
    Inventors: Lasse E. Aarnes, Andre M. Smith
  • INTERNAL TREE CAP AND ITC RUNNING TOOL
    Publication number: 20140144645
    Abstract: Internal tree cap (ITC) adapted to be installed in the bore of a subsea well unit or to an internal tubular element of the same, comprising a locking element for releasably locking the internal tree cap to said subsea well unit or internal tubular element. The ITC further comprises a fluid channel extending through a fluid barrier between the lower and upper part of the internal tree cap, which fluid channel is blocked by a burst element adapted to break and open for fluid flow through the fluid channel when exposed to a predetermined pressure difference over the burst element. The invention also relates to an ITC running tool and a locking mechanism for supporting the ITC in the tool.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: Aker Subsea AS
    Inventors: Lasse E. Aarnes, André M. Smith
  • INTERNAL TREE CAP AND ITC RUNNING TOOL
    Publication number: 20110048726
    Abstract: Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to said subsea well unit (301) or internal tubular element (303). The ITC further comprises a fluid channel (215) extending through a fluid barrier between the lower and upper part of the internal tree cap (201), which fluid channel (215) is blocked by a burst element (217) adapted to break and open for fluid flow through the fluid channel (215) when exposed to a predetermined pressure difference over the burst element (217). The invention also relates to an ITC running tool (101) and a locking mechanism (117) for supporting the ITC in the tool.
    Type: Application
    Filed: April 28, 2009
    Publication date: March 3, 2011
    Inventors: Lasse E. Aarnes, Andre M. Smith