Gravity destabilized non-wetting phase invasion in macro-heterogeneous porous media: Near pore scale macro modified invasion percolation simulation of experiments

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The authors reconceptualize macro modified invasion percolation (MMIP) at the near pore (NP) scale and apply it to simulate the non-wetting phase invasion experiments of Glass et al [in review] conducted in macro-heterogeneous porous media. For experiments where viscous forces were non-negligible, they redefine the total pore filling pressure to include viscous losses within the invading phase as well as the viscous influence to decrease randomness imposed by capillary forces at the front. NP-MMIP exhibits the complex invasion order seen experimentally with characteristic alternations between periods of gravity stabilized and destabilized invasion growth controlled by capillary barriers. The breaching of ... continued below

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20 p.

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GLASS JR.,ROBERT J.; CONRAD,STEPHEN H. & YARRINGTON,LANE March 8, 2000.

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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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Description

The authors reconceptualize macro modified invasion percolation (MMIP) at the near pore (NP) scale and apply it to simulate the non-wetting phase invasion experiments of Glass et al [in review] conducted in macro-heterogeneous porous media. For experiments where viscous forces were non-negligible, they redefine the total pore filling pressure to include viscous losses within the invading phase as well as the viscous influence to decrease randomness imposed by capillary forces at the front. NP-MMIP exhibits the complex invasion order seen experimentally with characteristic alternations between periods of gravity stabilized and destabilized invasion growth controlled by capillary barriers. The breaching of these barriers and subsequent pore scale fingering of the non-wetting phase is represented extremely well as is the saturation field evolution, and total volume invaded.

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20 p.

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OSTI as DE00752069

Medium: P; Size: 20 pages

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

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  • Report No.: SAND2000-0606J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 752069
  • Archival Resource Key: ark:/67531/metadc701967

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  • March 8, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 7:15 p.m.

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GLASS JR.,ROBERT J.; CONRAD,STEPHEN H. & YARRINGTON,LANE. Gravity destabilized non-wetting phase invasion in macro-heterogeneous porous media: Near pore scale macro modified invasion percolation simulation of experiments, article, March 8, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc701967/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.