SM = St. Mary Land & Exploration
PXD = Pioneer Natural Resources
SFY = Swith Energy Company
ROSE = Rosetta Resources
HK = Petrohawk
APC = Anadarko
Mur = Murphy Oil
CXPO = Crimson Exploration
EP = El Paso Corporation
CHK = Chesapeake Energy Corp
Source for the acreages is St. Mary land & Exploration Feb 2010 Presentation.
EOG is also believed to be actively leasing in the Eagle Ford.
Petrohawk is months, pehaps a year, ahead of the pack as far as actually exploiting the Eagle Ford Shale.