US drilling rig count

US_drilling_rigs_Feb2011_8July2016

Data from: http://phx.corporate-ir.net/phoenix.zhtml?c=79687&p=irol-reportsother

Stacking of rigs

http://www.mrt.com/business/oil/article_87e01b64-c4db-11e4-8a55-0f97baca493d.html?mode=image&photo=0