Patents by Inventor Egil Åsli

Egil Åsli 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).

  • Publication number: 20150275608
    Abstract: A subsea hydrocarbon production system comprises a tubing hanger which is positioned at an upper end of a well bore, a tubing string which extends from the tubing hanger into the well bore and is fluidly connected to the tubing hanger production bore, and a christmas tree which is positioned above the tubing hanger. The christmas tree comprises a production bore which is fluidly connected to the tubing hanger production bore, a production outlet which is connected to the production bore, a first barrier element which is positioned in the production outlet, and a first closure device which is positioned in the production bore above the production outlet, and a outlet. In this manner access from above the christmas tree through the production bore does not require passage through a barrier element.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 1, 2015
    Inventors: Jøren Breda, Egil Åsli, Eric R. Smedstad, Richard Murphy, Paul L. Riley