Queensland Consolidated Regulations

COAL MINING SAFETY AND HEALTH REGULATION 2017 - REG 60A

60A Borehole abandonment record

(1) This section applies if, during an annual reporting period for a mining tenure—

(a) a borehole is abandoned at a coal mine; and

(b) prescribed equipment is left in, or immediately adjacent to, a coal seam in the borehole.

(2) The site senior executive for the mine must ensure a record complying with this section is made and given to the CEO within 2 months after the last day of the annual reporting period.

(3) The record must include the following—

(a) details of the casing and equipment left in the borehole, with diagrams showing the major dimensions and features of the casing and equipment;

(b) a full description of all equipment, including prescribed equipment, that is left in the borehole, including—

(i) the size and nature of the equipment; and

(ii) any features of the equipment that may cause a hazard to coal mining operations;

Example of features that may cause a hazard to coal mining operations—

aluminium, electronics or batteries

(c) for prescribed equipment—the surveyed location of the equipment as required under section 100 (1) (a) (i) ;

(d) the method of the cementing operations carried out in or on the borehole, including each of the following—

(i) the location and type of plugs;

(ii) the intervals covered;

(iii) the volume and type of cement used;

(iv) any losses of cement due to voids or permeable strata;

(v) the methods used to overcome losses of cement;

(e) the method, materials and volume of cement used to cement voids;

(f) a description of any other abandonment procedures used for the borehole;

(g) any other details of the activities undertaken in drilling, completing and abandoning the borehole, including an assessment of their possible impacts, that would assist a person in making an assessment of potential risks to safe and efficient mining.

(4) In this section—

"annual reporting period" , for a mining tenure, means a period of 1 year starting on each anniversary of the day the tenure was granted.

"prescribed equipment" means—

(a) metal equipment, including casing; and

(b) any other equipment that may create a hazard to coal mining operations.