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Improved Recovery
Technology for increasing or prolonging the productivity of oil and gas fields. This is a special field of activity and research in the oil and gas industry.

Injection Molding
A plastics-forming process in which molten plastic is forced into a mold under pressure and allowed to solidify.

Injection Well
A well used to inject gas or water into the reservoir in order to maintain reservoir pressure in secondary recovery projects or for conservation purposes.

Isomerisation
The rearrangement of the molecular structure of hydrocarbons without adding or removing anything from the original material. Isomerisation is used in a refinery to manipulate physical quantities of a substance e.g., light naphtha isomerisation is a refinery process used to increase the octane number of naphtha.