Oleo Test Wring (IMAGE) DOE/Argonne National Laboratory Caption In recent open-water tests, Oleo Sponge worked just as researchers had predicted: It was able to successfully remove oil sheen from the surface of the water, leaving no visible trace behind. Credit Argonne National Laboratory 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.