Research - Petroleum Systems
of the North Slope:
Ellesmerian:
Source rocks: type II kerogen
- Shublik Formation (gas)
- Kingak Shale (gas)
- Pebble shale unit
Reservoir rocks:
- Endicott Group
- Sedlerochit Group (quartz-rich conglomerate sandstone)
- Kuparuk River Formation of Jamison
- Lisburne Group (carbonate)
Overburden (to mature source rocks):
- Brookian sequence (deltaic deposits)
Type of hydrocarbons:
- Low gravity (med to heavy hydrocarbons)
- High sulfur content
Torok-Nanushuk (North East North Slope):
Source rocks: type III kerogen
- Torok Formation
- Pebble shale unit
Reservoir rocks:
-Nanushuk Formation (sandstones, derived from formation of Brooks Range)
Overburden (Brookine sequence):
- Colville Group (shales)
- Sagavanirktok Formation
Types of hydrocarbon:
- High gravity (med to light hydrocarbons)
- Low sulfur content
Hue-Sagavanirktok (Point Thomson to Canadian border):
Source rocks: type II kerogen
- Hue Shale
Other rocks (either overmature or with type III kerogen -gas prone-)
- Shublik Formation
- Kingak Shale
- Pebble shale unit
Reservoir rock:
- Sagavaniktok Formation
- Canning Formation
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