Stresses and fractures in the Frontier Formation, Green River Basin, predicted from basin-margin tectonic element interactions

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Natural fractures and in situ stresses commonly dictate subsurface reservoir permeability and permeability anisotropy, as well as the effectiveness of stimulation techniques in low-permeability, natural gas reservoirs. This paper offers an initial prediction for the orientations of the fracture and stress systems in the tight gas reservoirs of the Frontier Formation, in the Green River basin of southwestern Wyoming. It builds on a previous report that addressed fractures and stresses in the western part of the basin and on ideas developed for the rest of the basin, using the principle that thrust faults are capable of affecting the stress magnitudes ... continued below

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66 p.

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Lorenz, J.C. January 1, 1996.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 181 times , with 4 in the last month . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Natural fractures and in situ stresses commonly dictate subsurface reservoir permeability and permeability anisotropy, as well as the effectiveness of stimulation techniques in low-permeability, natural gas reservoirs. This paper offers an initial prediction for the orientations of the fracture and stress systems in the tight gas reservoirs of the Frontier Formation, in the Green River basin of southwestern Wyoming. It builds on a previous report that addressed fractures and stresses in the western part of the basin and on ideas developed for the rest of the basin, using the principle that thrust faults are capable of affecting the stress magnitudes and orientations in little-deformed strata several hundreds of kilometers in front of a thrust. The prediction of subsurface stresses and natural fracture orientations is an undertaking that requires the willingness to revise models as definitive data are acquired during drilling. The predictions made in this paper are offered with the caveat that geology in the subsurface is always full of surprises.

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66 p.

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OSTI as DE96004702

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  • Wyoming Geological Association field conference, Rock Springs, WY (United States), 19-22 Aug 1995

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  • Other: DE96004702
  • Report No.: SAND--96-0082C
  • Report No.: CONF-9508204--1
  • Grant Number: AC04-94AL85000;AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 198683
  • Archival Resource Key: ark:/67531/metadc666221

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  • January 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • April 14, 2016, 12:55 p.m.

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Lorenz, J.C. Stresses and fractures in the Frontier Formation, Green River Basin, predicted from basin-margin tectonic element interactions, article, January 1, 1996; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc666221/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.