Though over half of 50 states produce at least some crude oil, there are six in particular that are responsible for the bulk of U.S. production.

Although historically viewed as a waste, produced water that comes to the surface as part of the oil and gas production stream now potentially has value. Produced water can be recycled and reused as ...

Salt water laced with cancer-causing chemicals, a byproduct of oil and gas drilling, is spewing from old wells. Experts warn ...

Tanks of produced water sit outside the Texas Pacific Water Resources research and development project site as they undergo oxidation using hydrogen peroxide outside of Midland. (Eli Hartman For The ...