Pa gas well (IMAGE) Penn State Caption Pictured is a natural gas well in Pennsylvania. When wells become damaged or degraded, methane can potentially escape into the environment. Penn State researchers developed a new nanomaterial cement mixture to address this issue. Credit Pa Department of Environmental Protection Usage Restrictions non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.