(A) The Christmas tree and all well head connections on each well drilled within the city limits shall be as follows: on all flowing wells completed at a depth of above 4,000 feet the Christmas tree and well head connections shall have at least a minimum working pressure of 2,000 pounds per square inch and a minimum test pressure of at least 4,000 pounds per square inch; and on all wells completed to a depth of from 4,001 to 7,000 feet the Christmas tree and well head connections shall have at least a minimum working pressure of 3,000 pounds per square inch and a minimum test pressure of at least 6,000 pounds per square inch; and on all wells completed below a depth of 7,000 feet the Christmas tree and well head connections shall be at least a minimum working pressure of 5,000 pounds per square inch and minimum test pressure of at least 10,000 pounds per square inch.
(B) All piping and fittings connecting the well head to an oil gas separator shall have at least the same minimum working pressure and minimum test pressure as hereinabove specified for Christmas tree and well head connections. In the event the surface shut-in pressure of any well in the city limits exceeds 2,000 pounds per square inch, the flow wing of the Christmas tree shall be equipped with an automatic closing safety valve in addition to the regular control valves.
(Prior Code, § 18-20)