Chen (IMAGE) Texas A&M University Caption Dr. Hongquan Chen is upgrading the current software for depicting subsurface fluid locations so it can accurately track fluid movements and flow-speed variations. Credit Texas A&M Engineering Usage Restrictions none License Original 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.