Patents by Inventor Donald Tracey Crosswhite

Donald Tracey Crosswhite 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).

  • Transportable systems for treating drilling fluid
    Patent number: 8133164
    Abstract: A system for well fluid treatment, the system being transportable, the system including a base, a support structure on the base, a brace apparatus connected to the base and to the support structure for bracing the support structure during movement of the system, the brace apparatus releasably secured to the support structure and releasably secured to the base, at least one holding tank on the base for holding well fluid to be treated, from an active rig well fluid system and the well fluid to be treated including solids, centrifuge apparatus for centrifuging a mixture of well fluid and solids from the at least one holding tank, producing reusable fluid, a first pump apparatus for pumping well fluid and solids from the at least one holding tank to the centrifuge apparatus, and a centrifuge support on the base for supporting the centrifuge apparatus.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: March 13, 2012
    Assignee: National Oilwell Varco L.P.
    Inventors: Randy Charles Beebe, Donald Tracey Crosswhite, Larry Jona Kellert, James Joseph Tait, Dean Mitchell Bird
  • Drilling fluid treatment systems
    Publication number: 20090178978
    Abstract: A system for well fluid treatment, the system being transportable, the system including a base, a support structure on the base, a brace apparatus connected to the base and to the support structure for bracing the support structure during movement of the system, the brace apparatus releasably secured to the support structure and releasably secured to the base, at least one holding tank on the base for holding well fluid to be treated, from an active rig well fluid system and the well fluid to be treated including solids, centrifuge apparatus for centrifuging a mixture of well fluid and solids from the at least one holding tank, producing reusable fluid, a first pump apparatus for pumping well fluid and solids from the at least one holding tank to the centrifuge apparatus, and a centrifuge support on the base for supporting the centrifuge apparatus.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Inventors: Randy Charles Beebe, Donald Tracey Crosswhite, Larry Jona Kellert, James Joseph Tait, Dean Mitchell Bird