Patents by Inventor Gregory Victor Lifton

Gregory Victor Lifton 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).

  • HIGH TEMPERATURE AND HIGH PRESSURE FLUID LOSS ADDITIVES AND METHODS OF USE THEREOF
    Publication number: 20150315453
    Abstract: Disclosed are high temperature and high pressure fluid loss additives comprising: a) a humic substance, and b) a tetrapolymer prepared from polymerizing: i) acrylamide (AM), ii) 2-acrylamido-2-methylpropane sulfonic acid (AMPS), iii) 1-allyloxy-2-hydroxypropyl sulfonate, and iv) acrylic acid. The use of such high temperature and high pressure fluid loss additives in water-based drilling fluids in oil-field drilling operations is also disclosed.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 5, 2015
    Inventors: Marc A. Alexandre, Gregory Victor Lifton, Mohand Melbouci, Janice Jianzhao Wang