These georeferenced maps provide critical clues about early oil and gas drilling activities. The challenge, however, is sifting through this vast archive to pinpoint potential UOW locations.

N'DJAMENA, Oct 10 (Reuters) - The Exxon Mobil-headed oil consortium in Chad is digging new wells and ordering more extraction equipment, the group's country chief said on Friday. Sign up here ...

Abandoned oil wells pose a significant environment and health risk, as they can leak methane — a potent greenhouse gas — into the atmosphere and contaminate groundwater. The total estimated ...

A knee-high pipe sticking out of the ground not far from a school. A gurgle in a pond on rolling farmland. A patch of forest undergrowth hiding a long-forgotten, leaking oil well. Relics like these ...

Industry organizations like the Interstate Oil and Gas Compact Commission believe that number might be closer to 740,000. Finding and plugging those wells is a laborious, time-consuming task.

Chad to double oil output by 2016, develop minerals -minister By Reuters October 7, 20143:27 AM PDTUpdated October 7, 2014 ...