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Christina River (Alberta)
Christina River is a river in the Wood Buffalo region of northern Alberta, Canada. It is a tributary of the Clearwater River. Christina River is part of Christina Lake's drainage basin. Christina Lake's waters flow into the Jackson River, which flows before it empties into the Christina River. Christina Lake and Christina River are named to honour Christine Gordon, originally from Scotland, who was the first white women to live permanently in the Fort McMurray area, where she remained until she died in the 1940s.〔
==Drainage basin==
The source of the Christina River is Christina Lake (54°40'N 111°00'W), which is an elongated lake east of Conklin, between Lac La Biche and Fort McMurray, near Highway 881. The lake lies at an elevation of and has a total area of . It has a mean depth of and reaches a maximum depth of .〔(【引用サイトリンク】title=Christina Lake )〕
Cenovus Energy operates a Steam Assisted Gravity Drainage (SAGD) project in the Christina Lake area, tapping bitumen from the McMurray Formation. 〔SAGD is an enhanced oil recovery technology for producing heavy crude oil and bitumen. It is an advanced form of steam stimulation in which a pair of horizontal wells are drilled into the oil reservoir, one a few metres above the other. High pressure steam is continuously injected into the upper wellbore to heat the oil and reduce its viscosity, causing the heated oil to drain into the lower wellbore, where it is pumped out.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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