Patents by Inventor Saulo Rocha Ferreira

Saulo Rocha Ferreira 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).

  • Hydration performance of microcellulose in cement
    Patent number: 10781357
    Abstract: A variety of systems, methods and compositions are disclosed, including, in one method, a method of cementing may comprise providing a cement composition comprising a hydraulic cement, water, and a microcellulose additive, wherein the microcellose additive may comprise microcellulose with a metal deposited on a surface of the microcellose, wherein the metal may be selected from the group consisting of an alkali metal, an alkaline earth metal, and combinations thereof; placing the cement composition in a selected location; and allowing the cement composition to set.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 22, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: William Cecil Pearl, Jr., Krishna M. Ravi, Romildo Dias Toledo Filho, Saulo Rocha Ferreira, Iolanda Scheibe De Siqueira
  • IMPROVED HYDRATION PERFORMANCE OF MICROCELLULOSE IN CEMENT
    Publication number: 20190085233
    Abstract: A variety of systems, methods and compositions are disclosed, including, in one method, a method of cementing may comprise providing a cement composition comprising a hydraulic cement, water, and a microcellulose additive, wherein the microcellose additive may comprise microcellulose with a metal deposited on a surface of the microcellose, wherein the metal may be selected from the group consisting of an alkali metal, an alkaline earth metal, and combinations thereof; placing the cement composition in a selected location; and allowing the cement composition to set.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 21, 2019
    Applicant: Halliburton Energy Services, Inc.
    Inventors: William Cecil Pearl, Jr., Krishna M. Ravi, Romildo Dias Toledo Filho, Saulo Rocha Ferreira, Iolanda Scheibe De Siqueira