Active rigs in North Dakota are down to 191 (11:45 a.m. Pacific Daylight Time, August 22, 2012).
From the NDIC site, the breakdown at the moment:
Abraxas: 1
Baytex: 2
BEXP: 16
BR: 9
CLR: 14
Cornerstone: 1
Crescent Point Energy: 2
Denbury Onshore: 4
Enerplus (ERF): 2
Environmentally Clean: 1
EOG: 7
Fidelity: 4
G3 Operating (Halcon): 2
GMX Resources: 1
Helis: 3
Hess: 17
Hunt: 2
KOG: 8
Legacy: 1
Liberty Resources: 1
Marathon (MRO): 6
Murex: 2
Newfield: 2
North Plains: 2
Oasis: 8
OXY USA: 6
Petro-Hunt: 12
QEP: 4
Samson Resources: 4
Sequel: 1
Sinclair: 1
Slawson: 4
SM Energy: 4
Triangle: 2
True: 1
Whiting: 17
WPX: 6
XTO: 7
Zavanna: 1
Zenergy: 4
From the NDIC site. I did not proofread or double check these numbers.
One can compare these numbers with a breakdown on February 3, 2011.