Tapping Into Natural Gas Reservoirs (IMAGE) University of Delaware Caption Yun Liu (left) and Wei-Shan Chiang adjust a syringe pump used to control gas pressure. Credit University of Delaware Usage Restrictions Must credit University of Delaware 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.