Interesting Article, references could be more complete.

http://www.dailykos.com/story/2012/02/26/1068458/-The-Case-for-Banning-Hydraulic-Fracture-Fracking-in-Michigan#

 

Not sure the pooling issue is correctly stated.  See MSU extension.

http://msue.anr.msu.edu/news/compulsory_pooling_how_the_unleased_mineral_owner_gets_paid