Artificial lift

Electric Parameters Assist Rod-Pump Condition Diagnosis, Production Metering

The authors write that the application of electrical parameters to diagnose working conditions and meter production of pumping wells is the key to the low-cost Internet-of-Things construction.

Comparisons between real and generated cards.
Fig. 1—Comparisons between real and generated cards.

The conventional configurations of the Internet of Things (IoT) related to pumping wells include an electric parameter indicator and dynamometer. If working-condition diagnosis and virtual production metering of well pumping can be realized through electrical parameters, the need for dynamometers can be eliminated or reduced, with a potentially major effect on reducing investment and improving coverage of the IoT in oil wells. In the complete paper, an integrated multimodel diagnosis method is proposed. The diagnostic and virtual-production-metering method and software based on electrical parameters have been applied in many of the operator’s oil fields.

Introduction

In China, more than 90% of the more than 400,000 oil wells are sucker-rod-pump (SRP) wells.

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