5. (1) For the purposes of subsection 16 (4) of the Act, the amount that the holder of a well licence is required to pay to the Oil, Gas and Salt Resources Trust shall be determined in accordance with subsection (2) or (3) and shall be paid on or before February 15 of each year. O. Reg. 189/14, s. 1. (2) The holder of a well licence who is licensed to operate a well described in Column 1 of the Table to this subsection shall pay to the Trust, for each well that he or she is licensed to operate, an amount that is equal to the amount set out in Column 2 of the Table opposite the type of well. Table   Amount Payable  Item   Column 1   Type of Well   Column 2   Amount Payable 

  1.   Natural gas storage well   $250.00 

  2.   Observation well   $100.00 

  3.   Salt cavern hydrocarbon storage well   $250.00 

  4.   Solution mining well   $250.00 

  5.   Brine producing well   $100.00 

  6.   CAES project well   $250.00 O. Reg. 189/14, s. 1; O. Reg. 151/22, s. 4 (1, 2). (3) The holder of a well licence who is licensed to operate one or more wells of a type described in Column 1 of the Table to this subsection shall pay to the Trust, in respect of all the wells of that type that he or she is licensed to operate, an amount that is equal to the greater of $100.00 or the amount determined in the manner described in Column 2 of the Table opposite the type of well. Table   Amount Payable  Item   Column 1   Type of Well   Column 2   Amount Payable 

  1.   Natural gas producing well   $0.15 for each 1000 cubic metres of natural gas produced from the wells operated during the previous calendar year 

  2.   Oil producing well   $0.50 for each cubic metre of oil produced from the wells operated during the previous calendar year O. Reg. 189/14, s. 1. (4) Despite subsection (3), if a natural gas producing well operated by the holder of a well licence produces natural gas that is not sold commercially but is produced for the licence holder’s sole use, the volume of natural gas produced from that well shall not be included in the calculations to determine the amount payable to the Trust under subsection (3). O. Reg. 189/14, s. 1. (5) Despite subsections (2) and (3), the holder of a well licence for a well that is a CAES project well referred in item 6 of the Table to subsection (2) shall pay to the Trust the amount determined in accordance with the following rules if, during the previous calendar year, the well was used for the purpose of oil or natural gas production, producing any remaining oil and gas from the reservoir to prepare the porous rock reservoir for use as part of the CAES project: 1.  If, during the previous calendar year, the well was used solely for oil or natural gas production and for no other purposes, the amount shall be determined in accordance with subsection (3). 2.  If, during the previous calendar year, the well was used for the purposes of oil or natural gas production and for the purpose of injecting, storing and withdrawing compressed air into a porous rock reservoir for the purpose of producing electricity, the amount shall be equal to the greater of, i.  the amount payable under item 6 of the Table to subsection (2), and ii.  the amount determined in the manner described in Column 2 of the Table to subsection (3) opposite the type of well. O. Reg. 151/22, s. 4 (3). Operating Standards for Works