Drilling Rig at Night (IMAGE) U.S. National Science Foundation Caption The Lake El'gygytgyn drilling rig is shown at night. Credit The Lake El'gygytgyn Drilling Project 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.