(a) Except as provided in subdivisions (b) and (c) of this section and absent a department order establishing spacing units, a well drilled, deepened, plugged back, or converted for the production of oil and gas cannot be located less than 660 feet from any boundary line of the lease, integrated leases or unit and cannot be closer than 1,320 feet from any other oil and gas well in the same pool.

(b) Absent a department order establishing spacing units, a well which is on a lease, integrated leases, or unit having as one of its boundary lines the New York Pennsylvania border may not be drilled, deepened, plugged back, or converted for the production of oil and gas within 330 feet of that border.

(c) Oil wells located in oil fields or pools that were discovered, developed, and operated before January 1, 1981, are not subject to the provisions of this section.