Patents by Inventor Manojkumar Achalpurkar

Manojkumar Achalpurkar 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).

  • Proppants for subterranean formations and methods of using the same
    Patent number: 10059874
    Abstract: The present disclosure relates to proppants for the treatment of subterranean formations, and methods of using the same. In various embodiments, the present invention provides a proppant for treatment of a subterranean formation, wherein the proppant is polymeric and includes polyetherimide (PEI). Various embodiments also provide methods of using the polymeric proppant, including for deposition of proppants, stimulating production, fracturing, sand control, and combinations thereof.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: August 28, 2018
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Anita Gantepla, Ramya Krishna Kothamasu, Manojkumar Achalpurkar
  • PROPPANTS FOR SUBTERRANEAN FORMATIONS AND METHODS OF USING THE SAME
    Publication number: 20160122629
    Abstract: The present disclosure relates to proppants for the treatment of subterranean formations, and methods of using the same. In various embodiments, the present invention provides a proppant for treatment of a subterranean formation, wherein the proppant is polymeric and includes polyetherimide (PEI). Various embodiments also provide methods of using the polymeric proppant, including for deposition of proppants, stimulating production, fracturing, sand control, and combinations thereof.
    Type: Application
    Filed: July 31, 2013
    Publication date: May 5, 2016
    Inventors: Anita Gantepla, Ramya Krishna Kothamasu, Manojkumar Achalpurkar
  • Process for preparation of thin film composite membrane
    Publication number: 20060138043
    Abstract: Thin Film Composite (TFC) membranes are prepared by coating a thin layer of aminated silicon rubber on the surface of highly porous substrate like ultrafiltration membrane, followed by crosslinking with reactive, aliphatic dialdehyde and curing at high temperature. The TFC membranes so prepared have amine functionality making them suitable for varied separation applications in gas separation, vapor permeation, pervaporation and other membrane separation processes.
    Type: Application
    Filed: December 23, 2004
    Publication date: June 29, 2006
    Inventors: Ulhas Kharul, Manojkumar Achalpurkar, Harshada Lohokare