(a) The drilling preparations used in wells with rotary equipment shall be capable of sealing off each gas, oil, brine or fresh water stratum above the producing horizon or objective formation and shall be capable of preventing blow-outs and flows of fresh or salt water in accordance with good well drilling practice. Rotary tools shall have the innermost string of casing equipped with a blowout preventor properly installed and tested prior to drilling into any formation likely to contain gas or oil.
(b) Wells drilled with cable tools shall have the innermost string of casing equipped with a blowout preventor properly installed and tested prior to drilling into any formation likely to contain gas or oil.
(c) When drilling any well for gas or oil, the drilling rig shall have a blow-out preventor in good working order attached to the drilling equipment to prevent gas or oil from blowing out of control causing damage to the surrounding area or the wasting of natural resources.
(d) Increasing porosity and permeability of any pay horizon or potential by means of explosives is strictly prohibited.
(e) All moveable valves and access points in the producing complex shall be made vandal proof with all appropriate methods, such methods to be submitted to the City Service-Safety Director for final approval.
(f) All crews shall be trained in the operation of the blowout preventor, control head and related equipment, and all equipment to be used shall be in good condition.
(g) No person shall shoot any well or transport nitroglycerine or other explosive substance onto the premises without prior approval of the City Safety-Service Director.
(Ord. 6324-91. Passed 12-16-91.)