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| | OVERVIEW OF THE PETROLEUM GEOLOGY OF THE NORTH DAKOTA WILLISTON BASIN (Site not responding. Last check: 2007-10-19) |
 | | North Dakota crude oils are generally paraffinic base (Folsom, 1973), that is they belong to the paraffinic or methane series. |
 | | North Dakota is presently in a situation similar to that at the end of cycle three. |
 | | Hendricks, M.L., 1988, Shallowing-upward cyclic carbonate reservoirs in the Lower Ratcliffe interval (Mississippian), Williams and McKenzie Counties, North Dakota: in Goolsby, S.M. and Longman, M. W., eds., Occurrence and petrophysical properties of carbonate reservoirs in the Rocky Mountain region: Rocky Mountain Association of Geologists, p. |
| www.state.nd.us /ndgs/Resources/WBPetroleum_H.htm (9715 words) |
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