Patents by Inventor Danny K. Durham

Danny K. Durham 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).

  • Method for the use of nitrates and nitrate reducing bacteria in hydraulic fracturing
    Patent number: 10287487
    Abstract: A slick water fracturing fluid including a brine, an inorganic nitrate, a nitrogen reducing bacteria, a scale inhibitor selected from the group consisting of a polyacrylate polymer, a polyacrylate copolymer, a polyacrylate terpolymer, and mixtures thereof, and a friction reducer, wherein the friction reducer is a polyacrylamide.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: May 14, 2019
    Assignee: MULTI-CHEM GROUP LLC
    Inventors: Danny K. Durham, Michael L. Harless
  • Method for the Use of Nitrates and Nitrate Reducing Bacteria In Hydraulic Fracturing
    Publication number: 20170240802
    Abstract: A slick water fracturing fluid including a brine, an inorganic nitrate, a nitrogen reducing bacteria, a scale inhibitor selected from the group consisting of a polyacrylate polymer, a polyacrylate copolymer, a polyacrylate terpolymer, and mixtures thereof, and a friction reducer, wherein the friction reducer is a polyacrylamide.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Inventors: Danny K. Durham, Michael L. Harless
  • Method for the use of nitrates and nitrate reducing bacteria in hydraulic fracturing
    Patent number: 9683433
    Abstract: A slick water fracturing fluid including a brine, an inorganic nitrate, a nitrogen reducing bacteria, a scale inhibitor selected from the group consisting of a polyacrylate polymer, a polyacrylate copolymer, a polyacrylate terpolymer, and mixtures thereof, and a friction reducer, wherein the friction reducer is a polyacrylamide.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 20, 2017
    Assignee: Multi-Chem Group, LLC
    Inventors: Danny K. Durham, Michael L. Harless