Asphaltenes (IMAGE) Rice University Caption Asphaltenes (in black) clump together in a model oil created for testing in a Rice University lab. Researchers have created a new method for more accurate detection of asphaltenes that can clog oil production lines. Credit Vargas Lab/Rice University Usage Restrictions For news reporting purposes 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.