GRAND JUNCTION, COLO. (AP) -- Noble Energy says it is
encountering a dangerous gas in the majority of its Piceance
Basin natural gas wells.
The Colorado Oil and Gas Conservation Commission says it is
looking into reports the wells are releasing hydrogen sulfide.
Hydrogen sulfide can be lethal at high levels and can cause
headaches and other health problems at lower concentrations.
The commission says Noble may have failed to use biocides in wells it drilled.
Noble Communications Director Stephen Flaherty says workers
received safety training about it and Noble uses biocides to
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