LAC 43:XIX.4937. Subsidence

A. The operator of a proposed geothermal well is responsible for establishing representative elevations of the land surface in the area of the proposed development. Plans for establishing these reference elevations must accompany the Application for a Permit to Drill the well. B. Surface elevation of the wellhead will be determined in accordance with U.S.G.S. standards for Fourth Order Leveling and will be filed with the Completion Report and annually thereafter. C. A gamma ray-neutron log, including a collar locator log, will be run from total depth to the base of the previous casing string and filed with the Completion Report. D. If in the opinion of the Commissioner there is evidence of subsidence, the Commissioner shall have authority to require a hydrogeologic study or such other actions as he deems necessary.