| BAKKEN | BARNETT | EAGLE FORD | GRANITE WASH | HORN RIVER | MARCELLUS | MISSISSIPPI LIME | OPERATOR ASSETS |
| NIOBRARA | PERMIAN | PICEANCE/UINTA | POLAND | UTICA | WOODFORD | AUSTRALIA | COMPLETIONS |
Appalachian Basin Rig Count as of May 20, 2013
Created By: Larry Prado - Editor
Source: Baker Hughes ...
Alabama, Arkansas, Louisiana and Mississippi
Permian Basin, Eagle Ford, Barnett, Haynesville, Bossier, Granite Wash and Cotton Valley