Drilling operations means the drilling of an oil and gas well and the production and completion operations ensuing from the drilling which require entry upon the surface estate and which were commenced after June 30, 1979, and oil and gas geophysical and seismograph exploration activities commenced after June 30, 1983.
Farming operation means raising, cultivating, propagating, fattening, grazing, or any other farming, livestock, or aquacultural operation.
Mining Operations means obtaining or extracting any mineral by any mode or method or any purpose directly or indirectly connected therewith or incidental thereto, including—
Workover means operations on a producing well to restore or increase production.
Decommissioning means final operational activities at a site to dismantle site structures, to decontaminate site surfaces and remaining structures, to stabilize and contain residual radioactive material, and to carry out any other activities to prepare the site for postoperational care.