The development of "oil shale" (not to be confused with "shale oil") and "tar sands" has been shown to be environmentally destructive, and water and energy intensive. Extracting oil from U.S. public ...

An oilfield infrastructure company wants to use deep-well injection to sequester billions of barrels of oil sands mine water in underground reservoirs.

During fracking, liquid is pumped into the ground at a high pressure to create holes, or fractures, that release oil. The sand helps keep the holes open as water, oil and gas flow through it. But ...

Here Syncrude, Canada's largest oil producer, digs bitumen-laced sand from the ground with electric shovels five stories high, then washes the bitumen off the sand with hot water and sometimes ...

Finally, when transported by pipeline or rail, it puts communities, wildlife and water supplies in danger of toxic spills that are nearly impossible to clean up. As the pressure intensifies to produce ...

During fracking, liquid is pumped into the ground at a high pressure to create holes, or fractures, that release oil. The sand helps keep the holes open as water, oil and gas flow through it.

Where another pair of workers fit and guide the 1,200-meters of pipe down 400-meters, and over another 800 to run parallel to the surface A mass of oil, sand, and water keep surfaces slick ...

During fracking, liquid is pumped into the ground at a high pressure to create holes, or fractures, that release oil. The sand helps keep the holes open as water, oil and gas flow through it.