Colo. disposal well linked to quakes to reopen with limits
Colorado oil and gas officials have linked a drilling wastewater disposal well to earthquakes near Greeley, Colo., saying deep injection is "potentially related" to small earthquakes.
Okla. agency gets $1.8M to study seismic links to drilling
Earthquake researchers in Oklahoma have received nearly $2 million from the federal government to study connections between the state's surge in quakes and oil and gas drilling activities.
Low-profile Okla. driller at the epicenter of murky quake debate
New Dominion LLC has produced a lot of oil in Oklahoma. But it produces even more water. Now it's facing increasing questions about whether disposing of that water is causing lots of earthquakes in the state.