Sentences with phrase «underground at high pressure»

Hydraulic fracturing sends «huge volumes of toxic fluids» deep underground at high pressure, to fracture shale rock and release natural gas, Food & Water Watch claims.

Fracking, which injects liquids underground at high pressure to extract oil and natural gas from hard to reach places, can contaminate water (SN Online: 10/12/15) and air, due to chemicals used in the process.

Not exact matches

The state had a de facto ban in place as it studied the process, which involves extracting oil and gas from deep underground by pumping water, sand and chemicals at high pressures deep underground.

Hydrofracking is the process of extracting natural gas from shale rock by blasting a mix of water and chemicals at high pressure into underground wells.

The researchers took direct emissions measurements of 230 randomly selected, representative leaks from underground pipelines as well as at 229 metering and regulating stations where natural gas is measured and regulated from higher pressure pipelines to lower pressure distribution pipelines.

The gas exists in a supercritical fluid state at the temperatures and high pressures that are found in these underground formations.

It is not all bad; director Francis Lawrence has the technical know - how to at least shoot the miasma with grace and elan (though after nearly four hours of Mockingjays, the drab gray color palette and landscapes of smoking destroyed highrises becomes rather tiresome and repetitive), and there are a few high points, including one stand - out sequence, a highly tense, at times often terrifying underground chase sequence that often recalls the pressure cooker atmosphere of The Descent.

In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic fracturing.

In the oil industry, some underground crude contains natural gas that is entrained in the oil at high reservoir pressures.

We believe that fracking poses a tremendous threat to agriculture, to our drinking water, and to our climate, because when you are injecting millions of gallons of water, chemicals and sand, four or five miles underground at very high pressure and breaking open the rock and releasing gas there's all sorts of contamination that can happen.