A type of Enhanced Oil Recovery (EOR), secondary production ... gas injection can entail re-injection of produced natural gas. In this instance, as the pressure drops in a natural gas field ...

accounting for nearly 60 percent of EOR production in the country. Gas injection uses gasses such as CO2, natural gas, or nitrogen that expand in a reservoir to push additional oil to a production ...

Isuzu Motors (Japan) announced Friday that it is partnering with Canadian company Westport Innovations to develop engines using Westport's Compressed Natural Gas Direct Injection (CNG-DI) technology.

Abu Dhabi National Oil Co. has contracted Flowserve Corp. for the supply of dry gas seal systems for EOR and a carbon capture project at its Habshan facility in the Middle East.

In the 1970s and early 1980s, Chevron CVX led an EOR project in the Permian basin. CO2 came from natural gas processing plants ... I was involved with modeling injection of CO2 into coal seams ...