Fractal modeling of natural fracture networks

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Description

West Virginia University will implement procedures for a fractal analysis of fractures in reservoirs. This procedure will be applied to fracture networks in outcrops and to fractures intersecting horizontal boreholes. The parameters resulting from this analysis will be used to generate synthetic fracture networks with the same fractal characteristics as the real networks. Recovery from naturally fractured, tight-gas reservoirs is controlled by the fracture network. Reliable characterization of the actual fracture network in the reservoir is severely limited. The location and orientation of fractures intersecting the borehole can be determined, but the length of these fractures cannot be unambiguously determined. ... continued below

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13 p.

Creation Information

Ferer, M.; Dean, B. & Mick, C. June 1, 1995.

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Description

West Virginia University will implement procedures for a fractal analysis of fractures in reservoirs. This procedure will be applied to fracture networks in outcrops and to fractures intersecting horizontal boreholes. The parameters resulting from this analysis will be used to generate synthetic fracture networks with the same fractal characteristics as the real networks. Recovery from naturally fractured, tight-gas reservoirs is controlled by the fracture network. Reliable characterization of the actual fracture network in the reservoir is severely limited. The location and orientation of fractures intersecting the borehole can be determined, but the length of these fractures cannot be unambiguously determined. Because of the lack of detailed information about the actual fracture network, modeling methods must represent the porosity and permeability associated with the fracture network, as accurately as possible with very little a priori information. In the sections following, the authors will (1) present fractal analysis of the MWX site, using the box-counting procedure; (2) review evidence testing the fractal nature of fracture distributions and discuss the advantages of using the fractal analysis over a stochastic analysis; and (3) present an efficient algorithm for producing a self-similar fracture networks which mimic the real MWX outcrop fracture network.

Physical Description

13 p.

Notes

OSTI as DE95012263

Source

  • Natural gas research, development and demonstration contractors review meeting, Baton Rouge, LA (United States), 4-6 Apr 1995

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  • Other: DE95012263
  • Report No.: DOE/MC/31182--95/C0479
  • Report No.: CONF-950494--10
  • Grant Number: FG21-94MC31182
  • DOI: 10.2172/72907 | External Link
  • Office of Scientific & Technical Information Report Number: 72907
  • Archival Resource Key: ark:/67531/metadc709534

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Creation Date

  • June 1, 1995

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 20, 2015, 7:55 p.m.

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Ferer, M.; Dean, B. & Mick, C. Fractal modeling of natural fracture networks, report, June 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc709534/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.