The world's largest nitrogen-injection EOR project, led by PEMEX, Mexico's largest oil company, counts on Linde as the primary N2
supplier. Linde is the leading supplier of CO2
in North America and also designs, builds, owns, and operates on-site air-separation plants for nitrogen.
Force oil from injection wells toward production wells
Maintain reservoir pressure
Increase flow using Huff-n-Puff techniques
CO2 Huff-n-Puff process can increase oil production from stripper and other low-volume wells by injecting into the oil-bearing formation a slug of CO2 at less than fracturing pressure, then shutting in the well for a time determined by bottom-hole pressure. This has yielded excellent results in light oil formations throughout the U.S.
Under certain conditions, CO2
can become miscible with crude, lowering its viscosity and thereby further enhancing recovery.