This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, Notice of Intention (NOI), NOI date, type, and status. Notice of Intention (NOI): File prior to commencement of drilling operations, along with a general plan showing the proposed location and the total depth. Submit with proper bond (if needed). CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas, and Geothermal Resources (as of January 1, 2020). WellSTAR homepage Update Frequency: As Needed