Shell has utilized patented technology from Oceanit to improve its sonic cement evaluation logs.
By leveraging unique partnerships, a group of Shell experts from various disciplines successfully deployed in 2015 and 2016 a technology in both Appalachia and the Gulf of Mexico that improves acoustic coupling between a cement sheath and wellbore casing. Steel Cement Interface Nanobond (SCIN) uses a patented technology from Oceanit.
Source: Fast-tracking Technology Development Improves Sonic Cement Evaluation Logs in OTC Show Daily