But now it has come to light that the oil industry is conducting offshore fracking in the Gulf, which is even more dangerous than
conventional oil drilling, according to the Center for Biological Diversity.
But producing oil sands is a messy, emissions - intensive business; according to the U.S. Environmental Protection Agency, the extraction process produces 82 percent more emissions than
conventional oil drilling.
Oil sands extraction raises concerns among environmentalists because it generates more of the heat - trapping gases causing climate change than
conventional oil drilling, among other things
Not exact matches
Oil reached by conventional «vertical» drilling can cost $ 25 a barrel or less; oil extracted by fracking can cost from $ 35 to $ 80 a barr
Oil reached by
conventional «vertical»
drilling can cost $ 25 a barrel or less;
oil extracted by fracking can cost from $ 35 to $ 80 a barr
oil extracted by fracking can cost from $ 35 to $ 80 a barrel.
The formation, composed of layers of shale and hydrocarbons, is beneath land that has been the site of
conventional oil and gas
drilling since the 1880s, when American
oil companies first began operating.
Oil companies have traditionally looked to so - called conventional petroleum resources — pockets of underground oil and gas wedged between water and impermeable rock — which gush to the surface when tapped by drilli
Oil companies have traditionally looked to so - called
conventional petroleum resources — pockets of underground
oil and gas wedged between water and impermeable rock — which gush to the surface when tapped by drilli
oil and gas wedged between water and impermeable rock — which gush to the surface when tapped by
drilling.
When more energy is spent getting at the
oil than the energy you extract, you stop
drilling, so I don't see much future for tar sands, deep sea wells, etc. once the
conventional sources get too expensive.
Like the airline bringing in a truck with a more powerful engine to tow that plane, the global economy is upping the ante from
conventional sources of fossil fuels to even dirtier and more dangerous versions — bitumen from the Alberta tar sands,
oil from deepwater
drilling, gas from hydraulic fracturing (fracking), coal from detonated mountains, and so on.
As
drilling technology advances,
conventional oil... Read more →