Patents by Inventor Dan Blankenship

Dan Blankenship 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).

  • Apparatus and methods of use for a whipstock anchor
    Patent number: 7963341
    Abstract: An anchor for a wellbore is adaptable to be operated in at least two separate and distinct ways. In one embodiment, a whipstock anchor is provided that can be operated either mechanically or hydraulically. In another embodiment, the anchor is designed to run through a restriction in a retracted position and thereafter expanded to position a wellbore tool in the wellbore. Preferably, the anchor is expandable to set in wellbores of various sizes and either cased or uncased.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: June 21, 2011
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Aristeo Rios, III, Greg Marshall, Stephen Hermes Hester, Adrian Vuyk, Jr., Ken W. Winterrowd, Dan Blankenship
  • Whipstock anchor
    Publication number: 20060207771
    Abstract: An anchor for a wellbore is adaptable to be operated in at least two separate and distinct ways. In one embodiment, a whipstock anchor is provided that can be operated either mechanically or hydraulically. In another embodiment, the anchor is designed to run through a restriction in a retracted position and thereafter expanded to position a wellbore tool in the wellbore. Preferably, the anchor is expandable to set in wellbores of various sizes and either cased or uncased.
    Type: Application
    Filed: March 3, 2006
    Publication date: September 21, 2006
    Inventors: Aristeo Rios, Greg Marshall, Stephen Hester, Adrian Vuyk, Ken Winterrowd, Dan Blankenship