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Long Term Investments
6 Months Ended
Mar. 31, 2014
Long Term Investments [Abstract]  
Long Term Investments
8.
Long Term Investments
 
Long term investments consist of cash held in trust by the Alberta Energy Regulators (“AER”) which bears interest at a rate of prime minus 0.375% and has no stated date of maturity. These investments are required by the AER to ensure there are sufficient future cash flows to meet the expected future asset retirement obligations, and are restricted for this purpose.