In 2010, they accounted for 43 % of crude oil production. (creditdonkey.com)
Further, federal data show crude oil production remained flat between 2010 and 2015 on federally controlled land, while natural gas production declined 27 percent. (energytomorrow.org)
Oil prices are falling because crude oil inventories were in good shape heading into the hurricane and because crude oil production will be less affected by the storm. (oilprice.com)