Factors controlling satiated relative permeability in a partially-saturated horizontal fracture

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Recent work demonstrates that phase displacements within horizontal fractures large with respect to the spatial correlation length of the aperture field lead to a satiated condition that constrains the relative permeability to be less than one. The authors use effective media theory to develop a conceptual model for satiated relative permeability, then compare predictions to existing experimental measurements, and numerical solutions of the Reynolds equation on the measured aperture field within the flowing phase. The close agreement among all results and data show that for the experiments considered here, in-plane tortuosity induced by the entrapped phase is the dominant factor … continued below

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4 p.

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Nicholl, M. J.; Rajaram, H. & Glass Jr.,Robert J. February 16, 2000.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 57 times. More information about this article can be viewed below.

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

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Recent work demonstrates that phase displacements within horizontal fractures large with respect to the spatial correlation length of the aperture field lead to a satiated condition that constrains the relative permeability to be less than one. The authors use effective media theory to develop a conceptual model for satiated relative permeability, then compare predictions to existing experimental measurements, and numerical solutions of the Reynolds equation on the measured aperture field within the flowing phase. The close agreement among all results and data show that for the experiments considered here, in-plane tortuosity induced by the entrapped phase is the dominant factor controlling satiated relative permeability. They also find that for this data set, each factor in the conceptual model displays an approximate power law dependence on the satiated saturation of the fracture.

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4 p.

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OSTI as DE00751262

Medium: P; Size: 4 pages

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  • Journal Name: Water Resources Research; Other Information: Submitted to Water Resources Research

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  • Report No.: SAND2000-0441J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 751262
  • Archival Resource Key: ark:/67531/metadc708564

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  • February 16, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 25, 2021, 2:25 p.m.

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Nicholl, M. J.; Rajaram, H. & Glass Jr.,Robert J. Factors controlling satiated relative permeability in a partially-saturated horizontal fracture, article, February 16, 2000; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc708564/: accessed December 11, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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