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. 17, 2020

Filed:

Jun. 13, 2016
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Al-Waleed A. Al-Gouhi, Dhahran, SA;

Soloman M. Almadi, Dhahran, SA;

Obiomalotaoso L. Isichei, Rakkah, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); F16K 37/00 (2006.01); G05B 23/02 (2006.01); E21B 34/06 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/00 (2013.01); E21B 34/06 (2013.01); E21B 41/00 (2013.01); F16K 37/0075 (2013.01); G05B 23/0283 (2013.01);
Abstract

A method of automated preventive and predictive maintenance for downhole valves in a well system includes receiving, at a plurality of first times, first diagnostics data of the plurality of downhole valves, where each downhole valve is at a respective first valve position at a respective first time, and the diagnostics data represents a valve condition of each downhole valve at a respective valve position and at a respective time. The method also includes receiving, at a plurality of second times, second diagnostics data of the plurality of downhole valves, where each downhole valve has been moved from the respective first valve position at the respective first time to a respective second valve position at a respective second time. The first diagnostics data and the second diagnostics data are compared. Based on results of comparing, a valve maintenance operation is selected for each downhole valve.


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