Illinois Administrative Code
Title 62 - MINING
Part 240 - THE ILLINOIS OIL AND GAS ACT
Subpart D - SPACING OF WELLS
Section 240.420 - Well Location Exceptions within Drilling Unit
Current through Register Vol. 48, No. 12, March 22, 2024
a) Whenever the conditions of a drilling unit render it impractical to drill an oil or gas well at a location conforming to the requirements of Section 240.410, an oil or gas well may be drilled at a nonconforming location as follows:
b) If at the time of application, a lease immediately adjacent to a proposed drilling unit has producing wells located less than 330 feet from the common boundary line, then a well on the proposed drilling unit may be located at a distance closer than 330 feet but no closer than the distance to the common boundary line of the immediately offsetting well.
c) If a drilling unit is located over an active mine, the mined-out or inaccessible portion of an active mine, an abandoned mine, or the undeveloped limits of a mine, the proposed well can be located so that it will be drilled into an existing or proposed mine pillar subject to the conditions and limitations set forth in subsections (a) and (b) above.