At the time of the drafting of the loi Jacob banning hydraulic fracturing in July of 2011 there was a great deal of debate about the implications of fracking taking place against the background of the Napoleonic loi minier (mining law). Accordingly, provision was made at the time for a complete review of the terms and scope of the law. We can report that the final recommendations have been made and the proposals will be placed before the French Parliament in early 2014.
Unfortunately the review has only dealt with 'allowed activities' and of course since July 2011 - fracking has not been allowed.
We are hoping to have an accurate translation with key points soon and will announce any relevant changes as they come to hand.