Patents by Inventor James McRae

James McRae 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).

  • Publication number: 20250257023
    Abstract: Provided herein is a method for generating a glycerol-based scale inhibitor and utilizing it to generate a glycerol-based scale inhibitor solution. The method includes providing a glycerol feed and a scale-inhibiting precursor to generate the glycerol-based scale inhibitor. Further, the method includes providing one or more additives to the one or more glycerol-based scale inhibitor, thereby generating a glycerol-based scale inhibitor solution.
    Type: Application
    Filed: February 8, 2024
    Publication date: August 14, 2025
    Inventors: Alyn Jenkins, James McRae, Tore Nordvik, Bianca Covarrubias, Paul Barnes
  • Publication number: 20230372703
    Abstract: Embodiments disclosed herein relate to an ingestible electronic device configured to provide short term electrical stimulation to a stomach of a subject. The device may include a non-expandable housing and two or more electrodes disposed on the non-expandable housing to apply the short term electrical stimulation to the stomach of the subject. In some instances, the short term electrical stimulation may be on the order of 1 hour or less. In some instances, the ingestible electronic device may utilize the natural gastrointestinal processes of the subject to retain the ingestible electronic device for an appropriate time period within the stomach. For example, the subject may first ingest the ingestible electronic device and the device may travel into the stomach of the subject. The device may then apply electrical stimulation to the stomach for an appropriate time period prior to passing out of the stomach via a pyloric orifice of the stomach.
    Type: Application
    Filed: October 14, 2021
    Publication date: November 23, 2023
    Applicant: Massachusetts Institute of Technology
    Inventors: Carlo Giovanni Traverso, Khalil Ramadi, James McRae
  • Patent number: 11261370
    Abstract: A method of treating a fluid to reduce the level of H2S therein while inhibiting the deposition of scale on surfaces in contact with the fluid, comprising introducing into the fluid a triazine scavenger compound and a terpolymer. The fluid may be liquid or gas and may be petroleum, petroleum product, natural gas, liquefied petroleum gas or other type of oil fraction or refined oil. The triazine scavenger may be e.g. 1,3,5-tri(2-hydroxyethyl)-hexahydro-1, 3, 5-triazine. The terpolymer may comprise a carboxylate/sulphonate/non-ionic terpolymer. When added to a wellbore fluid, it is effective as a scavenger of H2S and also reduces the amount of scale deposition on a surface in contact with the fluid when the fluid comes into contact with or is mixed with a brine. In some aspects, the composition increases the proportion of precipitated solids held in suspension when the fluid is contacted with or mixed with a brine.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 1, 2022
    Assignee: CAMERON INTERNATIONAL CORPORATION
    Inventors: James McRae, Suguna Gopal, Anand Annamalai
  • Patent number: 10752825
    Abstract: The present disclosure relates to compositions and methods for the removal of deposits from oilfield apparatus and wellbore surfaces. In particular, removal of deposits comprising heavy hydrocarbon materials and finely divided inorganic solids. The composition includes a mixture of a corrosion inhibitor component which is morpholine or a morpholine derivative having corrosion inhibitor properties, and a surfactant which is a quaternary ammonium compound having biocidal properties. Methods of removing a deposit from a surface or unplugging an oilwell which has been plugged with a deposit, are also included wherein the method comprising contacting the deposit with a composition as disclosed herein for a selected period of time.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 25, 2020
    Assignee: SMI OILFIELD EQUIPMENT AND PRODUCTS FZE
    Inventors: Suguna Gopal, James McRae
  • Publication number: 20180282608
    Abstract: The present disclosure relates to compositions and methods for the removal of deposits from oilfield apparatus and wellbore surfaces. In particular, removal of deposits comprising heavy hydrocarbon materials and finely divided inorganic solids. The composition includes a mixture of a corrosion inhibitor component which is morpholine or a morpholine derivative having corrosion inhibitor properties, and a surfactant which is a quaternary ammonium compound having biocidal properties. Methods of removing a deposit from a surface or unplugging an oilwell which has been plugged with a deposit, are also included wherein the method comprising contacting the deposit with a composition as disclosed herein for a selected period of time.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 4, 2018
    Applicant: SMI Oilfield Equipment And Products FZE
    Inventors: Suguna Gopal, James McRae
  • Publication number: 20180273828
    Abstract: A method of treating a fluid to reduce the level of H2S therein while inhibiting the deposition of scale on surfaces in contact with the fluid, comprising introducing into the fluid a triazine scavenger compound and a terpolymer. The fluid may be liquid or gas and may be petroleum, petroleum product, natural gas, liquefied petroleum gas or other type of oil fraction or refined oil. The triazine scavenger may be e.g. 1,3,5-tri(2-hydroxyethyl)-hexahydro-1, 3, 5-triazine. The terpolymer may comprise a carboxylate/sulphonate/non-ionic terpolymer. When added to a wellbore fluid, it is effective as a scavenger of H2S and also reduces the amount of scale deposition on a surface in contact with the fluid when the fluid comes into contact with or is mixed with a brine. In some aspects, the composition increases the proportion of precipitated solids held in suspension when the fluid is contacted with or mixed with a brine.
    Type: Application
    Filed: September 30, 2015
    Publication date: September 27, 2018
    Applicant: SMI Oilfield Equipment And Products FZE
    Inventors: James McRae, Suguna Gopal, Anand Annamalai