The purpose of the “O” district is to provide for the use of land or the surface thereof in connection with the removal of minerals, including, but not limited to, oil, gas and other hydrocarbon substances. The planning commission is specifically directed to consider the establishment of said districts in corridors or islands so as to cause drilling sites to be available in as many areas as possible to enable the orderly extraction of oil and other materials within the city.

The purpose of the “O-1” district is to provide for the use of land or the surface thereof in connection with the removal of minerals, including, but not limited to, oil, gas and other hydrocarbon substances, providing for the maintenance and operation of existing wells, but limited therefrom any new surface locations.

Uses permitted in the “O” district shall be all uses of the base district with which the “O” district is combined including: drilling for and/or production, handling, storage, extraction and removal of oil, gas and other hydrocarbons including construction, operation, maintenance and removal of derricks, pipelines, tanks, compressors and other structures and buildings including residential accommodations for oil field workers connected with or related to such uses.

No refineries, absorption plants or gasoline extraction plants shall be permitted, unless provided for in the district with which the “O” district is combined.

Uses permitted in the “O-1” district shall be all uses of the base district with which the “O-1” district is combined including: production, handling, storage, extraction and removal of oil, gas and other hydrocarbons including construction, operation, maintenance and removal of derricks, pipelines, tanks, compressors and other structures and buildings connected with or related to oil, gas or injection wells existing upon the effective date of this chapter.

No new wells, from new surface locations, may be drilled, but existing wells may be deepened, redrilled (directionally or otherwise) or reworked. No refineries, absorption plants or gasoline extraction plants shall be permitted.