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ABSTRACT
The demand of oil and gas resources is high and the forecasts show a trend for higher requirements in the future. Naturally flowing system represents less than a fourth of producing oil wells in the world. This project answer the obvious question, why artificial lift? We thus reviewed the different classes/types of artificial lift.
Furthermore the characteristic and the working principles of Rod pumping system were also focused upon.
We also observed that rod pumping systems are the most commonly applied artificial lift method with 71% of 832000 well for the world’s wells.
Niger delta reserves are mostly associated with high gas/oil ratios and huge aquifers. Gas interference continues o be one of the major contributors to low system efficiency in artificially lifted pumping wells. Numerous studies have been performed in recent years in an attempts to improve the performance and efficiency of a beam pumped system.
Introducing Variable Slippage Pump (VSP), for rod pumps to handle the effect of high GOR in the system, is significant as our conlusion.
