Patents by Inventor Sarai Santos

Sarai Santos 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).

  • Single-fluid mixed scale dissolution
    Patent number: 11773313
    Abstract: Methods and treatment fluids for removing mixed scale. A treatment fluid is introduced into a wellbore comprising a mixed scale of interspersed calcium carbonate and calcium sulfate. The treatment fluid comprises: phosphonomethyliminodiacetic acid, N,N-bis(phosphonomethyl)glycine, or a combination thereof; and an aqueous base fluid. The treatment fluid has a pH in a range between about 6 to about 8. The method further comprises contacting the mixed scale with the treatment fluid.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 3, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Enrique Antonio Reyes, Sarai Santos, Kristina Henkel Holan, Antonio Recio, III
  • SINGLE-FLUID MIXED SCALE DISSOLUTION
    Publication number: 20230056620
    Abstract: Methods and treatment fluids for removing mixed scale. A treatment fluid is introduced into a wellbore comprising a mixed scale of interspersed calcium carbonate and calcium sulfate. The treatment fluid comprises: phosphonomethyliminodiacetic acid, glycine-N,N-bis(methylene phosphonic acid), or a combination thereof; and an aqueous base fluid. The treatment fluid has a pH in a range between about 6 to about 8. The method further comprises contacting the mixed scale with the treatment fluid.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 23, 2023
    Inventors: Enrique Antonio Reyes, Sarai Santos, Kristina Henkel Holan, Antonio Recio, III