Abstract: An above-ground well shut-in safety apparatus, structure, and method useful for shutting-in wells during a blow-out is provided. The apparatus includes a top portion closing an upper end of an apparatus, a side wall with a long axis, a sleeve inside the side wall, and a bottom portion including an open end. A structure for shutting in a well, comprising a rig, a drive rigidly connected to the rig, and an apparatus rigidly connected to the drive, the apparatus including a tubular side wall, a top portion closing an upper end of the side wall, and a sealing sleeve inside the side wall. A method for shutting-in a well including driving an open end of an apparatus onto a stump of the well, the apparatus including a closed end opposite the open end and a tubular side wall with a sealing sleeve, and sealing the sleeve onto the stump.