Patents by Inventor Shankar U. Bhat

Shankar U. Bhat 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).

  • Patent number: 7748464
    Abstract: The current subject matter relates to compliant variable tension risers to connect deep-water subsea wellheads to a single floating platform in wet tree or dry try systems. The variable tension risers allow several subsea wellheads, in water depths from 1220 to 3050 meters, at lateral offsets from one-tenth to twice the depth or more, to tie back to a single floating platform. Also, the current subject matter relates to methods to counter buoyancy and install variable tension risers using a weighted chain ballast line.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: July 6, 2010
    Assignee: Kellogg Brown & Root LLC
    Inventors: Shankar U. Bhat, John Christian Hartley Mungall, David Brian Andersen, Kevin Gerard Haverty, Sean K. Barr, Davinder Manku