Greater Sierra (oil field)

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Greater Sierra (also called Helmet Area) is a large oil and gas field in northeastern British Columbia, Canada.

It is located east and north from the town of Fort Nelson, all the way to the Alberta and Northwest Territories borders (150 and 130km respectively).

Drilling activity takes place largely during the winter months, when the otherwise soft muskeg and boreal forest can be crossed on winter roads.

Major projects tap in the large gas reservoirs hosted in Mississippian and Devonian limestones such as the Jean Marie Member of the Redknife Formation.

Due to the large extent, the field is served by several airstrips (Helmet Airport, Fort Nelson/Mobil Sierra Airport, Fort Nelson Airport).

[edit] Companies

Among the corporations that have a large interest in the area are Devon Energy, EnCana Corporation, Canadian Natural Resources and Petro-Canada.

[edit] See also

Coordinates: 58°50′N 121°25′W

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