| BAKKEN | BARNETT | EAGLE FORD | GRANITE WASH | HORN RIVER | MARCELLUS | MISSISSIPPI LIME | OPERATOR ASSETS |
| NIOBRARA | PERMIAN | PICEANCE/UINTA | POLAND | UTICA | WOODFORD | AUSTRALIA | COMPLETIONS |

The Big Three land drillers have confirmed that the domestic onshore drilling market will be operating at lower activity levels in the second half of 2012, though the downturn may not be as steep -- or as severe -- as previously thought.
Earnings calls among the Big Three land drillers -- Helmerich & Payne IDC, Nabors ...
Drilling efficiency, in tandem with a move to pad drilling, generates higher well counts with little change in rig input.
Investors from Asia and the U.K. are targeting liquids-rich shale plays in the U.S., forming billions of dollars worth of partnerships.