Related topics: natural gas ยท hydraulic fracturing

Early tests don't find tainted water from oil boom

Government scientists say initial tests of shallow groundwater in the Northern Plains oil patch found no evidence of contamination from an energy boom that's already seen more than 8,500 wells drilled.

Taking a production well's pulse

Oil companies are having problems finding out how much each of their wells is producing. Researchers believe this can be solved by providing each well with its own frequency.

Fed govt failed to inspect higher risk oil wells

Congressional investigators say the government has failed to inspect thousands of oil and gas wells it considers potentially high risks for water contamination and other environmental damage.

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