Artificial Lift

Definition

A production method that adds external energy to the fluid column in a wellbore when natural reservoir pressure cannot bring fluids to the surface at the desired or economic rate. Artificial lift may start production, increase the rate of a flowing well, or extend the productive life of a declining well. Common systems include sucker-rod pumps, gas lift, electric submersible pumps (ESPs), progressing cavity pumps (PCPs), plunger lift, and hydraulic or jet pumps. Selection depends on production rate, well depth and deviation, fluid viscosity, gas and solids content, available power or injection gas, reliability, and total cost.

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Frequently Asked Questions

Why is artificial lift used?

To produce or increase well fluids when reservoir energy is insufficient.

When is it installed?

It may be installed initially or later as reservoir pressure declines and water production increases.

Which method is best?

There is no universal best method; engineers match the system to well geometry, fluid properties, expected rate, operating environment, reliability, and economics.

Is artificial lift enhanced oil recovery?

No—artificial lift helps move fluids from the wellbore to the surface; enhanced recovery methods act on the reservoir to improve displacement or pressure.

Need help with your artificial lift setup?

Our team is happy to answer questions and recommend the right equipment for your well.