News tagged with sandstone

Obama signs wide-ranging conservation law

President Barack Obama signed legislation on Monday expanding and protecting US public parks and wilderness areas from oil and gas development, billed as the largest US conservation measure in more than 15 ...

Mar 30, 2009 4.6 / 5 (40) 0

Discovering oil at micro level

(PhysOrg.com) -- Getting trapped oil out of porous layers of sandstone and limestone is a tricky and costly operation for energy exploration companies the world over. But now, University of Alberta researchers ...

Nov 03, 2011 not rated yet 0