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Subsequent Events (Details)		1 Months Ended
Subsequent Events (Details)	Dec. 15, 2017	Jan. 29, 2018	Aug. 31, 2017
Forecast [Member]
Subsequent Events (Textual)
Joint venture partner received approval		The Company’s joint venture partner received approval from Alberta Energy, under the Alberta Oil Sands Tenure Regulation, to continue 2,816 gross hectares (704 hectares net to the Company) of lands, with a non-producing status, effective July 10, 2018.
SAGD Project Expansion AER Approval	The amended application sought approval to expand the existing SAGD Project facility site to 3,200 bopd (100% basis). It is anticipated that only five SAGD well pairs need to be operating to achieve this production level. While the joint venture has not yet approved to expand the SAGD Project, currently, the SAGD Project continues to move forward with engineering and identification of long lead time items towards potential expansion to 3,200 bopd and future development at Sawn Lake.
Subsequent Events [Member]
Subsequent Events (Textual)
Well was drilled to a total depth of meters			681