Schematic Illustration (IMAGE) Texas A&M University Caption A schematic of a single flow cell (left) and a series of flow cells (right). Oil and gas flow from the porous rock into the cracks and then to the wellbore. Credit Texas A&M University College of Engineering Usage Restrictions None 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.