Abstract
Pennel Field in Fallon County, Montana, is one of 15 oil fields located along the crestal portion of the Cedar Creek anticline in eastern Montana and southwestern North Dakota (Fig. 4-1). Cedar Creek is the major anticlinal structure demarcating the southwestern periphery of the intracratonic Williston Basin; the structure extends for nearly 145 miles (233 km) on a mean strike of S30°E from northwest of Glendive, Montana, to just west of Buffalo, South Dakota. Since establishment of commercial oil production on the anticline in late 1951, more than 300 million barrels of oil have been produced from Mississippian, Silurian, and Ordovician carbonate reservoirs in the Cedar Creek fields.KeywordsDepositional SequencePetroleum GeologistMarine FaciesPlane LightLime MudstoneThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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