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:
Sep. 17, 2024

Filed:

Jul. 10, 2019
Applicant:

Jgc Corporation, Kanagawa, JP;

Inventors:

Yugo Furubayashi, Kanagawa, JP;

Hirokatsu Uchida, Kanagawa, JP;

Kenji Mouri, Kanagawa, JP;

Assignee:

JGC CORPORATION, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/06 (2006.01);
U.S. Cl.
CPC ...
F25J 3/0695 (2013.01); F25J 3/061 (2013.01);
Abstract

An operation analysis method for a natural gas plant includes: acquiring production amount data of a product per unit time and operation data of a plurality of controlled devices forming the natural gas plant in association with each other along a time series; determining whether or not a controlled device that violates the operation constraint is present at the time point of acquisition of the production amount data when the production amount data is less than the reference production amount, and performing data processing of associating an item subjected to the operation constraint to the production amount data; and determining, for each of the items subjected to the operation constraints, a length of a period with the production reduction in accordance with a magnitude of the production reduction amount.


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