The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 24, 2026

Filed:

Mar. 10, 2025
Applicant:

Yangtze University, Jingzhou, CN;

Inventors:

Junfeng Liu, Jingzhou, CN;

Jinting Zhang, Jingzhou, CN;

Assignee:

Yangtze University, Jingzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/11 (2012.01); E21B 47/113 (2012.01); G01D 5/353 (2006.01);
U.S. Cl.
CPC ...
E21B 47/114 (2020.05); G01D 5/35374 (2013.01);
Abstract

A method for mirror imaging of gas holdup in gas-water two-phase flow based on a fiber optic probe array includes: projecting six fiber optic probes of a FIT onto a cross-section of a wellbore at a same height, gridding and normalizing an inner diameter of the wellbore and probe positions to obtain a cross-sectional grid, and determining a two-dimensional coordinate of each fiber optic probe within the cross-sectional grid and a local gas holdup at each fiber optic probe; rotating, based on a radial symmetry of gas-water flow along the wellbore center, the six fiber optic probes counterclockwise to obtain mirror probes which are radially symmetrical and coordinates thereof; and predicting gas holdup at each mirror probe to obtain predicted gas holdup values, interpolating the predicted gas holdup values in the cross-sectional grid by an interpolation algorithm to obtain a reconstructed gas-water image of the cross-section of the wellbore.


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