246. The authorization holder who temporarily closes a well must ensure(1) that the facilities and equipment installed in the well are compatible with what is planned in the permanent well or reservoir closure and site restoration plan;
(2) that the facilities and equipment installed in the well are durable and corrosion-resistant;
(3) the absence of communication of fluids between the geological formations;
(4) the absence of leaks in joints and welds;
(5) that the valve on the surface casing vent flow pipe is open and the blowhole is not blocked;
(6) to install a hemispherical head plug or a blind flange with a needle valve to read the flow at each outlet of the wellhead, except the surface casing vent flow;
(7) if applicable, to disconnect the wellhead flow pipe; and
(8) to chain and lock the valves or remove the handles.