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Reservoir Characterization in the Eagle Ford Shale using Digital Rock Methods.

Joel Walls1, Brian Driskill2, Steven W. Sinclair3, and Juliana DeVito1
1Ingrain Inc.
2Shell E&P
3Matador Resources Co.

Viewing a reservoir at the grain and pore scale results in enhanced understanding, by providing information on porosity distribution, organic material volume, and organic material pore textures. This presentation describes the methodology and results of an unconventional reservoir study which identified the distribution of porosity and organic matter (OM), as well as the relationship between porosity and permeability. Sixteen samples from the Cretaceous (Cenomanian/Turonian) Eagle Ford Formation were collected from four conventionally cored wells located in Maverick, Dimmit, LaSalle and Atascosa counties in south Texas, USA. Our dataset comprises both 2D scanning electron microscopy (SEM) images and 3D Focused Ion-Beam Scanning Electron Microscopy (FIB-SEM) volumes.


AAPG Search and Discovery Article #90152©2012 AAPG Southwest Section Meeting, Fort Worth, Texas, 19-22 May 2012