Patents by Inventor Dwight M. Bobier

Dwight M. Bobier 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).

  • Split stream oilfield pumping system utilizing recycled, high reid vapor pressure fluid
    Patent number: 8672032
    Abstract: A split stream oilfield pumping system is provided which utilizes recycled high Reid vapor pressure production fluids. The oilfield system is made up of two separate fluid streams: a first recycled fluid stream and a second new fluid stream. The recycled fluid stream is enclosed to reduce or eliminate vaporization of the recycled fluid, which typically will have a Reid vapor pressure >14 kPa. Wellbore treatment additives are added to the new fluid stream, and the resultant treatment fluid is mixed with the recycled fluid in a common manifold to provide a final wellbore treatment fluid to be delivered to the wellhead.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: March 18, 2014
    Assignee: Calfrac Well Services Ltd.
    Inventors: Dwight M. Bobier, Donald Robert Battenfelder, Leslie M. Wise
  • Split stream oilfield pumping system utilitzing recycled, high reid vapor pressure fluid
    Publication number: 20100326663
    Abstract: The present invention relates to a split stream oilfield pumping system which utilizes recycled high Reid vapor pressure production fluids. The oilfield system is made up of two separate fluid streams: a first recycled fluid stream and a second new fluid stream. The recycled fluid stream is enclosed to reduce or eliminate vaporization of the recycled fluid, which typically will have a Reid vapor pressure >14 kPa. Wellbore treatment additives are added to the new fluid stream, and the resultant treatment fluid is mixed with the recycled fluid in a common manifold to provide a final wellbore treatment fluid to be delivered to the wellhead.
    Type: Application
    Filed: June 28, 2010
    Publication date: December 30, 2010
    Inventors: Dwight M. Bobier, Donald Robert Battenfelder, Leslie M. Wise
  • Fracturing fluid
    Patent number: 6838418
    Abstract: There is described a fracturing fluid comprising a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, and an activator for ionizing the polyacrylate to a hydroscopic state.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: January 4, 2005
    Assignees: Calfrac Well Services Ltd., Chemergy Ltd.
    Inventors: Travis L. Allan, Junad Amin, Alan K. Olson, Ronald G. Pierce, Dwight M. Bobier
  • Fracturing fluid
    Publication number: 20020065359
    Abstract: There is described a fracturing fluid comprising a polar base, 0.1-5.0% of a mid-modular weight polyacrylate, and an activator for ionizing the polyacrylate to a hydroscopic state.
    Type: Application
    Filed: October 1, 2001
    Publication date: May 30, 2002
    Inventors: Travis L. Allan, Junad Amin, Alan K. Olson, Ronald G. Pierce, Dwight M. Bobier
  • High viscosity crosslinked gelled alcohol
    Patent number: 5874385
    Abstract: A fracturing fluid composition for use in fracturing underground formations, such as oil or gas wells is described. It includes at least one anhydrous aliphatic alcohol, a modified guar gum polymer, and as a complexor, a sodium borate salt. A gel breaker which acts over a time period to degrade the guar gum cross linked polymer and thereby reduce the viscosity of the gel is provided as well to aid in the removal thereof from an oil or gas well that has been fractured by application of the fluid under pressure.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: February 23, 1999
    Assignee: Canadian Fracmaster Ltd.
    Inventors: Joseph Mzik, Ronald G. Pierce, Denis R. Gaudet, Dwight M. Bobier