Patents Assigned to Halliburton Services, Inc.
  • Patent number: 9291007
    Abstract: A floating apparatus for use in a casing string is provided. The apparatus includes an outer sleeve having a valve centrally positioned therein. A cement body is affixed to the check valve and the housing by use of a bonding material.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: March 22, 2016
    Assignee: Halliburton Services, Inc.
    Inventors: Robert Phillip Darbe, Henry Eugene Rogers, Paul Joseph Jones, Misty Dawn Rowe, Jeffery Dwane Karcher, Lonnie C Helms