The Eagle Ford Shale Play lies underneath the Austin Chalk and Edwards Limestone formations throughout much of South and Central Texas. The play is approximately 50 miles wide and 400 miles long and varies in depth from 2,500 feet in the Texas Hill Country to 15,000 feet in LaSalle, Live Oak, Bee, Lavaca, and other counties.
There are three main areas of production in the Eagle Ford Shale. The first is the northern part of the play which has lower pressure
and contains the highest volume of oil in the play. The middle and southern section both contain gas, with the “wet gas” or “condensate” in the middle and the “dry gas” in the deeper southern section.