Characterization of fluid inside pipe using multi frequency electrical signal

US11536676B2 · kind B2 · utility

Assignees

• Triad National Security, LLC · US
• CHEVRON U.S.A. INC. · US

Inventors

• Vamshi Krishna Chillara · Limerick, IE
• Maruti Kumar Mudunuru · Los Alamos, US
• Hari Selvi Viswanathan · Los Alamos, US
• Satish Karra · Los Alamos, US
• Bulbul Ahmmed · Los Alamos, US
• Jeffrey Foering App · Houston, US
• Gary Michael Hoversten · Lafayette, US

Key dates

• Filing date: Oct 2, 2020
• Grant date: Dec 27, 2022
• Expiry date: Mar 23, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N33/2823
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A multi-frequency signal may be used to induce voltage difference across a portion of a pipe. The voltage difference may be induced to take multi-frequency measurement of impedance characteristics of fluid inside the pipe. The multi-frequency measurement of the impedance characteristic of the fluid inside the pipe may be used to determine a characteristic of the fluid inside the pipe. This may be achieved by active integration of experimental data with high-resolution multi-frequency electrical impedance tomography (MFEIT) modeling.