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:
Mar. 14, 2023

Filed:

Mar. 30, 2021
Applicant:

Yokogawa Electric Corporation, Musashino, JP;

Inventors:

Shumpei Ito, Musashino, JP;

Yoshiaki Tanaka, Musashino, JP;

Tatsuya Hazuku, Tokyo, JP;

Tomonori Ihara, Tokyo, JP;

Motoaki Morita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 28/00 (2006.01); E21B 37/00 (2006.01); E21B 7/24 (2006.01);
U.S. Cl.
CPC ...
E21B 37/00 (2013.01); E21B 7/24 (2013.01); E21B 28/00 (2013.01);
Abstract

An estimation system includes an acquirer, an inferrer, a corrector, and an estimator. The acquirer acquires a measured value of an outer surface temperature of a pipe through which fluid flows. The inferrer infers an execution time for a removal process for deposits on an inner surface of the pipe. The corrector corrects an estimated value used for estimating a thickness of the deposits, by using the measured value of the outer surface temperature of the pipe, which is acquired within a predetermined time from an inference result of the execution time for the removal process for the deposits. The estimator estimates the thickness of the deposits based on the corrected estimated value and the measured value of the outer surface temperature of the pipe.


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