The Austin Chalk formation has increasingly been a core focus in the Eagle Ford region in South Texas (the Eagle Ford shale formation and the Austin Chalk formation are the bedrocks of oil & gas development activity in the area), but a new AC development region has entered the fold. Numerous upstream operators have acquired large leaseholds across acres thought to be productive for the Austin Chalk play in Louisiana, and energy investors should take note. Austin Chalk well economics in South Texas are clearly in the Tier 1 category, so any emerging play with