Count of oil field drilling rigs week of May 11 – 209 & 282.
209 Bakken – BakkenBlog has good background, lots of links, and a great twitter feed – @bakkenblog
North Dakota Oil and Gas Division has the drilling rig list here.
BakkenBlog also reports 45 permits issued by the state this week and 43 last week.
A few details – there are 74 natural gas rigs and 206 oil rigs. There are 260 horizontal rigs running.