Patents by Inventor Maithili DUMBRE

Maithili DUMBRE 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).

  • Downhole high temperature rheology control
    Patent number: 11566172
    Abstract: A method of treating a well comprising introducing a well treatment fluid into the well, and a well treatment fluid, are provided. The well treatment fluid comprises an aqueous base fluid, sepiolite clay, and a polymer component selected from the group of an acryloylmorpholine polymer, a polyvinylpyrrolidone polymer, and mixtures thereof. In one embodiment, for example, the method is a method of drilling a well. In this embodiment, the well treatment fluid is a drilling fluid.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 31, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Ganesh Pangu, Tamal Sen, Maithili Dumbre, Sam Lewis
  • DOWNHOLE HIGH TEMPERATURE RHEOLOGY CONTROL
    Publication number: 20200308477
    Abstract: A method of treating a well comprising introducing a well treatment fluid into the well, and a well treatment fluid, are provided. The well treatment fluid comprises an aqueous base fluid, sepiolite clay, and a polymer component selected from the group of an acryloylmorpholine polymer, a polyvinylpyrrolidone polymer, and mixtures thereof. In one embodiment, for example, the method is a method of drilling a well. In this embodiment, the well treatment fluid is a drilling fluid.
    Type: Application
    Filed: December 20, 2017
    Publication date: October 1, 2020
    Inventors: Sandip Prabhakar PATIL, Ganesh Pangu, Tamal SEN, Maithili DUMBRE, Sam Lewis