Forgotten oil and gas wells linger, leaking toxic chemicals

Rusted pipes litter the sandy fields of Ashley Williams Watt's cattle ranch in windswept West Texas. The corroded skeletons are all that remain of hundreds of abandoned oil wells that were drilled long before her family owned ...

Nanoengineered cement shows promise for sealing leaky gas wells

Leaking natural gas wells are considered a potential source of methane emissions, and a new nanomaterial cement mixture could provide an effective, affordable solution for sealing these wells, according to a team of Penn ...

Cheaper, more effective cleanup of abandoned oil and gas wells

Abandoned oil and gas wells are a significant source of greenhouse gases but there are so many scattered across the United States that stopping the leaks presents a huge cost for states. Now, a research team including scientists ...