استخراج النفط الصخري ويكيبيديا
استخراج النفط الصخرى; A photograph of رويال داتش شل's experimental في الموقع shale oil extraction facility in the Piceance Basin of northwestern كولورادو.In the center of the photo, a number of oil recovery pipes lie on the ground. Several oil pumps are visible in the background.