Patents by Inventor Gary Thomas Keene

Gary Thomas Keene 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: 7866393
    Abstract: Methods are provided that include a method of reducing fluid loss in a subterranean formation comprising placing a lost circulation composition comprising a base fluid and a swellable elastomer in at least a portion of a subterranean formation comprising a lost circulation zone; allowing the swellable elastomer to at least partially swell upon contact with a fluid; and allowing the lost circulation composition to at least partially reduce the loss of fluid to the subterranean formation. Additional methods are also provided.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: January 11, 2011
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Anthony M. Badalamenti, Ashok K. Santra, John R. Podowski, Krishna M. Ravi, Gary Thomas Keene
  • Publication number: 20100218949
    Abstract: Methods are provided that include a method of reducing fluid loss in a subterranean formation comprising placing a lost circulation composition comprising a base fluid and a swellable elastomer in at least a portion of a subterranean formation comprising a lost circulation zone; allowing the swellable elastomer to at least partially swell upon contact with a fluid; and allowing the lost circulation composition to at least partially reduce the loss of fluid to the subterranean formation. Additional methods are also provided.
    Type: Application
    Filed: April 1, 2010
    Publication date: September 2, 2010
    Inventors: Anthony M. Badalamenti, Ashok K. Santra, John R. Podowski, Krishna M. Ravi, Gary Thomas Keene
  • Patent number: 7717180
    Abstract: Methods are provided that include a method of reducing fluid loss in a subterranean formation comprising placing a lost circulation composition comprising a base fluid and a swellable elastomer in at least a portion of a subterranean formation comprising a lost circulation zone; allowing the swellable elastomer to at least partially swell upon contact with a fluid; and allowing the lost circulation composition to at least partially reduce the loss of fluid to the subterranean formation. Additional methods are also provided.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: May 18, 2010
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Anthony M. Badalamenti, Ashok K. Santra, John R. Podowski, Krishna M. Ravi, Gary Thomas Keene