No well shall be drilled within the city limits without properly equipping the surface casing when set with at least two ram-type blow-out preventers, one of which shall be equipped with blind rams and the other with pipe rams. On each well drilled, a valve cock or kelley cock shall be installed on the kelley used. Each blow-out preventer shall be tested at least once every 24-hour period and all control equipment shall be in good working condition and order at all times. Drilling fluid return lines shall be equipped with flow valves where the return line is connected below the top blow-out preventer.
(Ord. 59-311, passed 3-11-1959) Penalty, see § 113.99