Petroleum and Gas (Safety) Regulation 2018
sec.46Requirement to cement particular voids in a petroleum well
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sec.46 Requirement to cement particular voids in a petroleum well
This section applies to plugging and abandoning a petroleum well at the operating plant if— a void is created by stimulating a coal seam in the well; and the void is large enough to adversely affect— the safe and optimal future mining of coal from the seam; or the integrity of the natural underground reservoir in which the void is created. The operator must ensure that, in plugging and abandoning the well, the void is filled with as much cement as is reasonably practicable. The cement used to fill the void must not be so strong that it unduly prevents the future optimal mining of coal from the seam. This section applies in addition to the standard abandonment requirements for the well. (sec.46-ssec.1) This section applies to plugging and abandoning a petroleum well at the operating plant if— a void is created by stimulating a coal seam in the well; and the void is large enough to adversely affect— the safe and optimal future mining of coal from the seam; or the integrity of the natural underground reservoir in which the void is created. (sec.46-ssec.2) The operator must ensure that, in plugging and abandoning the well, the void is filled with as much cement as is reasonably practicable. (sec.46-ssec.3) The cement used to fill the void must not be so strong that it unduly prevents the future optimal mining of coal from the seam. (sec.46-ssec.4) This section applies in addition to the standard abandonment requirements for the well.
- (a) a void is created by stimulating a coal seam in the well; and
- (b) the void is large enough to adversely affect— (i) the safe and optimal future mining of coal from the seam; or (ii) the integrity of the natural underground reservoir in which the void is created.
- (i) the safe and optimal future mining of coal from the seam; or
- (ii) the integrity of the natural underground reservoir in which the void is created.
- (i) the safe and optimal future mining of coal from the seam; or
- (ii) the integrity of the natural underground reservoir in which the void is created.