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University of Nebraska - Lincoln
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
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Controls On Fracture Network Characteristics Of The Middle Member Of The Bakken Formation, Elm Coulee Field, Williston Basin, Usa, Shashank Khatri
Controls On Fracture Network Characteristics Of The Middle Member Of The Bakken Formation, Elm Coulee Field, Williston Basin, Usa, Shashank Khatri
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
The Bakken formation in the Elm Coulee Field of the Williston Basin consists of three members: 1) upper shale member, 2) middle silty dolostone member, and 3) lower shale member. The upper and lower members act as excellent source rocks and the main reservoir is the middle member with an average porosity of 3 to 9% and average permeability of 0.04md. The Bakken oil play in this area is a stratigraphic trap with a pinch-out to the southwest and a diagenetic facies change in the northeast. The main production is interpreted to come from matrix permeability in the field area. …