Sentences with phrase «shallow fracking wells»

While some countries, such as Canada, the United Kingdom and Germany, have instituted or are considering special requirements for shallow fracking wells, most U.S. states lack additional oversight for such operations.

Not exact matches

But Clarens says fracking fluids could theoretically leak into aquifers, because the wells must be dug through shallow layers where the aquifers lie in order to reach shales.

Badly managed fracking has recently been shown to have contaminated water wells in Wyoming, though this involved a shallow sandstone reservoir rather than much deeper shale.

State assessments of additional safety measures needed for wells fracked shallower than 3,000 feet

The most recent such study, published in Environmental Science & Technology, finds that at least 6,900 oil and gas wells in the U.S. were fracked less than a mile (5,280 feet) from the surface, and at least 2,600 wells were fracked at depths shallower than 3,000 feet, some as shallow as 100 feet.

Other states that fracked wells shallower than 3,000 feet using more than a million gallons each included New Mexico (16), Texas (10), Pennsylvania (seven) and California (two).

For example, Arkansas had more than 300 wells fracked shallower than 3,000 feet, using an average of 5 million gallons of water and chemicals.

It is illegal to run a horizontal well frack shallower than 2,000 feet in New York — and that will probably change to 3,000 feet, which would preclude horizontal shale fracking north of the area above I - 88.