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.
Patent No.:
Date of Patent:
Jan. 21, 2020
Filed:
Sep. 18, 2015
International Business Machines Corporation, Armonk, NY (US);
Li Li, Beijing, CN;
Wen Ting Mo, Beijing, CN;
Ji Jiang Song, Beijing, CN;
Chunhua Tian, Beijing, CN;
Feng Juan Wang, Beijing, CN;
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
A system and method are provided. The system includes a feature calculator calculates features of a Pressure Volume diagram. The system further includes a pumpjack condition separator separates normal pumpjack conditions from abnormal pumpjack conditions using a hierarchical decision tree, the conditions being determined using the features. The system also includes a compound indicator generator generates a compound indicator when a predetermined number of at least one of features and conditions exceed respective thresholds. The system additionally includes an abnormal PV diagram indicator provides a user-perceptible indication that the PV diagram is abnormal when the compound indicator exceeds a compound indicator threshold.