Patents by Inventor David L. Bolado

David L. Bolado 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).

  • Low-density cement compositions, density-reducing additives, and methods of use
    Patent number: 7524369
    Abstract: Methods of using density-reducing additives comprising low-density particulates in subterranean cementing operations are provided. In one embodiment, the present invention provides a method of cementing comprising: providing a cement composition comprising a cement component, a base fluid, and a density-reducing additive comprising particulates that comprise an agglomerating material; placing the cement composition in a location to be cemented; and allowing the cement composition to set therein.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: April 28, 2009
    Assignee: Halliburton Energy Services, Inc.
    Inventors: William J. Caveny, Michael J. Szymanski, Richard F. Vargo, Jr., Rickey L. Morgan, John G. Heaton, David L. Bolado
  • Low-density cement compositions, density-reducing additives, and methods of use
    Patent number: 7510609
    Abstract: Density-reducing additives comprising low-density particulates, and cement compositions comprising such additives, are provided. In one embodiment, the present invention provides a cement composition comprising: a cement component; a density-reducing additive comprising particulates that comprise an agglomerating material; and a base fluid.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: March 31, 2009
    Assignee: Halliburton Energy Services Inc.
    Inventors: William J. Caveny, Michael J. Szymanski, Richard F Vargo, Jr., Rickey L. Morgan, John G. Heaton, David L. Bolado