CLR: Five-Year Plan -- Testing the Three Forks -- The Stratigraphy

Link to SeekingAlpha.com.

Bakken shale: source rock for the Bakken Pool -- the Bakken formation(s) and the Three Forks formation(s)

Stratigraphy:

Mission Canyon Formation (the "Madison" wells)
Lodgepole Formation  -- generally the kick-off point for horizontals targeting the middle Bakken
Bakken Formation

upper Bakken -- low permeability shale
middle Bakken -- dolomite, which 85% of "Bakken" wells have targeted
lower Bakken -- low permeability shale

Three Forks Formation

upper Three Forks sub-formation; bench 1, TF1 -- oil bearing
lower permeability rock
Three Forks second bench, TF2 -- oil bearing
lower permeability rock
Three Forks third bench, TF3 -- oil bearing
lower permeability rock
Three Forks fourth bench, TF4 -- oil bearing
lower permeability rock

Birdbear Formation