Patents by Inventor Elizabeth McCartney

Elizabeth McCartney 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).

  • Use of sequestering agent in GLDA-based treatments for siliceous formations
    Patent number: 11198812
    Abstract: Sandstone formations of oil and gas and geothermal wells may be successfully stimulated with a fluid containing GLDA or salt and HF or a HF-generating component and an organophosphonate component. The organophosphonate acts as a sequestering agent and reduces the amount of metal fluoride precipitates produced.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: December 14, 2021
    Assignee: Baker Hughes Holdings LLC
    Inventors: Andrea Nino-Penaloza, D.V. Satyanarayana Gupta, Sandra L. Berry, Harold G. Hudson, Elizabeth McCartney
  • Use of Sequestering Agent in GLDA-Based Treatments for Siliceous Formations
    Publication number: 20200165511
    Abstract: Sandstone formations of oil and gas and geothermal wells may be successfully stimulated with a fluid containing GLDA or salt and HF or a HF-generating component and an organophosphonate component. The organophosphonate acts as a sequestering agent and reduces the amount of metal fluoride precipitates produced.
    Type: Application
    Filed: May 24, 2017
    Publication date: May 28, 2020
    Inventors: Andrea Nino-Penaloza, D.V. Satyanarayana Gupta, Sandra L. Berry, Harold G. Hudson, Elizabeth McCartney
  • PROCESS AND COMPOSITION FOR REMOVING METAL SULFIDES
    Publication number: 20190367799
    Abstract: A method of removing a metal sulfide deposit from a downhole environment comprises introducing into a subsurface well a treatment fluid comprising an alkane sulfonic acid, a dispersant, and a hydrogen sulfide scavenger; contacting a metal sulfide deposit in the downhole environment with the treatment fluid; and removing the metal sulfide deposit from the downhole environment.
    Type: Application
    Filed: September 26, 2017
    Publication date: December 5, 2019
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: D.V. Satyanarayana Gupta, Sandra L. Berry, Andrea Nino-Penaloza, Elizabeth McCartney, Sunder Ramachandran, Carlos M. Menendez