All tubing used in any well within the city limits shall be seamless steel tubing having not less than a minimum internal pressure yield strength of 5,280 pounds per square inch if used in connection with a well completion at a depth not exceeding 7,000 feet, or less than a minimum internal pressure yield strength of 7,260 pounds per square inch if used in connection with a well completion at a depth in excess of 7,000 feet.
(Prior Code, § 18-18)