Patents by Inventor Shaela Rahman

Shaela Rahman 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).

  • B annulus acoustic pressure sensing
    Patent number: 11726224
    Abstract: A method and apparatus for determining a pressure in an annulus between an inner casing and an outer casing. An acoustic transducer is disposed within the casing at a selected depth within the inner casing and is configured to generate an acoustic pulse and receive a reflection of the acoustic pulse from the inner casing. A time of flight is measured of the acoustic pulse to the inner surface of the inner casing. An inner diameter of the inner casing is determined from the time of flight. The pressure in the annulus is determined from the inner diameter. A processor can be used to measure time and determine inner diameter and annulus pressure.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: August 15, 2023
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: David Bishop, Carlos Felipe Rivero, James J. Freeman, Roger Steinsiek, Marc Samuelson, Shaela Rahman, Jason Harris
  • B ANNULUS ACOUSTIC PRESSURE SENSING
    Publication number: 20200241160
    Abstract: A method and apparatus for determining a pressure in an annulus between an inner casing and an outer casing. An acoustic transducer is disposed within the casing at a selected depth within the inner casing and is configured to generate an acoustic pulse and receive a reflection of the acoustic pulse from the inner casing. A time of flight is measured of the acoustic pulse to the inner surface of the inner casing. An inner diameter of the inner casing is determined from the time of flight. The pressure in the annulus is determined from the inner diameter. A processor can be used to measure time and determine inner diameter and annulus pressure.
    Type: Application
    Filed: November 21, 2019
    Publication date: July 30, 2020
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: David Bishop, Carlos Felipe Rivero, James J. Freeman, Roger Steinsiek, Marc Samuelson, Shaela Rahman, Jason Harris