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Re: Civicbird post# 37237

Wednesday, 09/16/2015 1:07:43 PM

Wednesday, September 16, 2015 1:07:43 PM

Post# of 70695
garfiel county is in the bakken shale formation into montanta



The Bakken Shale covers an area of approximately 200,000 square miles in the Williston Basin. The Bakken Shale covers the northeastern portion of Montana.
Bakken Shale Companies

Significant producers within the Bakken Shale are:

BTA Oil Producers
Burlington Resources
ConocoPhillips
Continental Resources
Denbury Resources
Encore Acquisition
Enerplus Resources
EOG Resources
Exxon Mobil

Hess Corp.
Hunt Oil
Marathon Oil
Murex Petroleum
Petro-Hunt
Slawson Exploration
St. Mary Land & Exploration
Whiting Petroleum
XTO Energy
Zenergy.

Bakken Shale Geology

The Bakken shale is from the Devonian Mississippian age. The widespread Upper Devonian-Lower Mississippian Bakken formation consists of an upper and a lower shale member with a mixed siliciclastic carbonate middle member, that is usually referred to as a dolomitic sand (or a sandy dolomite). Both the upper and lower shales are organic-rich marine shale of relatively consistent lithology. These shales are both the petroleum source rocks (organic rich) and seal for the reservoir. The Bakken has also sourced the Three Forks Sanish formation, an underlying dolomite, in much of the Williston Basin. In 2008, the USGS estimated technically recoverable reserves from the Bakken could reach as high as 4.3 billion barrels of oil.

Bakken Shale Location

The Bakken Shale is located in the following Montana counties:

Daniels County MT
Dawson County MT
Fallon County MT
Garfield County MT
McCone County MT

Prairie County MT
Richland County MT
Roosevelt County MT
Sheridan County MT
Valley County MT
Wibaux County MT