Berkeley Lab scientist in the field (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab scientist Sebastien Biraud leads the field team of researchers looking for lost wells. He carries a backpack-mounted sensor to measure magnetic fields, which can help find the buried metal structure of a well casing. Credit Jeremy Snyder/Berkeley Lab Usage Restrictions N/A 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.