Patents by Inventor Vijay Kshirsagar

Vijay Kshirsagar 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).

  • Patent number: 12258515
    Abstract: An oil soluble invert emulsifier and a process for preparation thereof, including invert emulsion drilling fluid compositions and their use, are described. The oil soluble invert emulsifier is synthesized from fatty acid reaction with polyalkylene polyamines and unsaturated mono carboxylic acids. The emulsifier is further modified with multivalent alkali metal salts. The emulsifier stabilizes the invert emulsion drilling fluid at temperatures exceeding 400° F. and imparts improved fluid properties.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 25, 2025
    Assignee: Gumpro Drilling Fluids PVT. LTD
    Inventors: Arvind Patel, Anil Kumar Singh, Sakshi Indulkar, Vivek Gupta, Nikhil Bidwai, Kartiki Dewalkar, Vijay Kshirsagar
  • Publication number: 20220089932
    Abstract: An oil soluble invert emulsifier and a process for preparation thereof, including invert emulsion drilling fluid compositions and their use, are described. The oil soluble invert emulsifier is synthesized from fatty acid reaction with polyalkylene polyamines and unsaturated mono carboxylic acids. The emulsifier is further modified with multivalent alkali metal salts. The emulsifier stabilizes the invert emulsion drilling fluid at temperatures exceeding 400° F. and imparts improved fluid properties.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 24, 2022
    Inventors: Arvind Patel, Anil Kumar Singh, Sakshi Indulkar, Vivek Gupta, Nikhil Bidwai, Kartiki Dewalker, Vijay Kshirsagar