Patents Assigned to Tech-Star Fluid Systems Inc.
  • DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    Publication number: 20130225457
    Abstract: A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating the drilling fluid through the well; and drilling into a coal seam.
    Type: Application
    Filed: February 26, 2013
    Publication date: August 29, 2013
    Applicant: TECH-STAR FLUID SYSTEMS INC.
    Inventor: TECH-STAR FLUID SYSTEMS INC.
  • DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
    Publication number: 20130206479
    Abstract: A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 0.05% calcium sulfate; circulating the drilling fluid through the well; and drilling into a coal seam.
    Type: Application
    Filed: August 26, 2011
    Publication date: August 15, 2013
    Applicant: TECH-STAR FLUID SYSTEMS INC.
    Inventor: Carl Keith Smith
  • DRILLING FLUID AND METHOD FOR DRILLING A WELLBORE
    Publication number: 20130126243
    Abstract: A method for drilling a wellbore into a formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt and/or at least 0.05% calcium sulfate; circulating the drilling fluid through the well; and drilling into a formation. An anionic thinner may be added if the clay concentration of the drilling fluid reaches a problematic level to adversely affect pumpability of the fluid.
    Type: Application
    Filed: January 11, 2013
    Publication date: May 23, 2013
    Applicant: TECH-STAR FLUID SYSTEMS INC.
    Inventor: TECH-STAR FLUID SYSTEMS INC.
  • Drilling fluid and method for drilling in coal-containing formations
    Patent number: 8387723
    Abstract: A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating the drilling fluid through the well; and drilling into a coal seam.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: March 5, 2013
    Assignee: Tech-Star Fluid Systems Inc.
    Inventors: Stefan Alexandru Stoian, Carl Keith Smith
  • Drilling fluid and methods
    Patent number: 8338340
    Abstract: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: December 25, 2012
    Assignee: Tech-Star Fluid Systems Inc.
    Inventors: Stefan Alexandru Stoian, Carl Keith Smith