Seoul National University

Sk Innovation Co., Ltd.

Sk Earthon Co., Ltd.

Jongyoung Jun

Yeongju Kim

YeonJun Park

Byunggun Oh

Ha Eun Kim

Hoonyoung Jeong

A system and method for predicting failures of rod pumps using a scaled load ratio is configured to: optimize the size of a rolling window, the upper and lower bounds of the normal range of the scaled load ratio, an alert period, and an alert frequency ratio; receive data of a current maximum/minimum loads on a surface rod, and a current speed; remove outliers showing an abnormality; scale the current maximum/minimum loads on the surface rod using the maximum/minimum loads on the surface rod in normal operation; calculate a scaled load ratio; calculate the average of scaled load ratios in the rolling window; determine whether the average of scaled load ratios is in the normal range, and classify the values as normal and abnormal events; calculate the ratio of the abnormal events in the alert period, and generate an alert when the calculated ratio exceeds the alert frequency ratio; and monitor a pump state using the pump failure prediction system.

Method and system for predicting failures of sucker rod pumps using scaled load ratios

Growing community of inventors

Seoul, South Korea

Jongyoung Jun