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Enhanced Oil Recovery

How injection of high-pressure nitrogen gas can help to increase oil production:

Air Products’ industrial gases are being used to significantly increase recoverable hydrocarbon reserves. Our enhanced recovery technology spans the production of high-purity nitrogen for applications such as pressure maintenance, miscible displacements, and recovery of natural gas liquids (NGL). Air Products has successfully supplied multiple nitrogen injection and nitrogen rejection projects and continues to be at the forefront of developing enhanced recovery techniques involving non-hydrocarbon gases.

Benefits of injection of high-pressure nitrogen

Miscible displacement with nitrogen

Increases oil recovery in deep reservoirs

Gas cap displacement

Maintain reservoir pressure with nitrogen rather than natural gas

Cycling rich gas reservoirs

Maintain reservoir pressure to maximize natural gas liquids and condensate recovery

Immiscible displacement of oil

Augments gravity drainage or maintains gas cap pressure

Carbon dioxide enhanced oil recovery

Increases recovery from residual oil zone

Air Products is an industry leader in nitrogen for enhanced oil recovery.

Our experienced team can engineer a nitrogen plant to meet your unique requirements.

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Air Products’ nitrogen generation system

Nitrogen On-site Gas Generation

Our range of nitrogen generators includes cryogenic, adsorption, and membrane technologies so we can meet all typical flow, pressure, and purity requirements where on-site gas generation is the best nitrogen supply mode.


Air Products gases, typically provided in gaseous and liquid form, enable customers in a wide range of industries to improve their environmental performance, product quality, and productivity.

On-site Gas Generation

On-site gas generation helps sustainability-minded customers lower their carbon footprint, boost energy efficiency, increase throughput, enhance end product quality, and improve environmental performance.

PRISM® Membranes

PRISM Membrane separators generate gas onsite for applications like nitrogen generation, air dehydration, hydrogen recovery, biogas upgrading, and the generation of oxygen enriched air.

Pipeline Supply

Located in major industrial locations around the world, pipelines offer customers with large product demands a range of benefits, including reliable, safe and flexible supply in a cost-effective way.