Patents by Inventor Lee D. OSNESS

Lee D. OSNESS 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).

  • Coagulant blend in SAGD water treatment
    Patent number: 11034597
    Abstract: Described herein is a coagulant blend for use in SAGD water treatment systems. Specifically, a blend of high charge density polyamine and low charge density poly(diallylmethyl ammonium chloride (poly-DADMAC) is used in the warm lime softening treatment process to coagulate and flocculate solids.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: June 15, 2021
    Assignee: CONOCOPHILLIPS COMPANY
    Inventors: Lee D. Osness, Kevin Lucas, Paul Sameshima, Jason C. Grundler
  • Coagulant Blend In SAGD Water Treatment
    Publication number: 20190084848
    Abstract: Described herein is a coagulant blend for use in SAGD water treatment systems. Specifically, a blend of high charge density polyamine and low charge density poly(diallylmethyl ammonium chloride (poly-DADMAC) is used in the warm lime softening treatment process to coagulate and flocculate solids.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 21, 2019
    Inventors: Lee D. OSNESS, Kevin LUCAS, Paul SAMESHIMA, Jason C. GRUNDLER