Waterfloods have been highly successful in the Illinois Basin and probably account for 75% of the total production from the area. Flood recoveries will generally be an additional 80% to 100% of the primary production.

There are no special problems with floods in the Illinois Basin. Ample supplies of salt water are generally available and injection pressures are not too high - 1500 PSI or less.. Corrosion is minimal and no expensive, high-pressure equipment is involved. Sufficient potential flood properties are available on reasonable terms - especially smaller areas owned by independent operators who do not have the finances to support the installation of properly engineered secondary recovery operations.

Waterfloods in the Illinois Basin should return 2 to 3 times their cost and are considered to be low-risk prospects.