Models of natural fracture connectivity: Implications for reservoir permeability. Annual report for DOE Basic Energy Sciences, 1990

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Description

Fluid flow through fracture networks in a rock mass depends strongly on the nature of connections between fracture segments and between individual fractures. Therefore the objective of this research project is to develop three dimensional models for natural fracture connectivity using an integrated field, laboratory, and theoretical methodology. The geometric models we have developed are based on detailed field mapping and observations from outcrops of both massive and layered sedimentary rocks, typical of producing oil and gas reservoirs, or of aquifers. Furthermore, we have used computer simulations and laboratory experiments to investigate the physical mechanisms responsible for fracture connectivity (or ... continued below

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9 p.

Creation Information

Pollard, D.D. & Aydin, A. June 1, 1995.

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  • Pollard, D.D. Stanford Univ., CA (United States). Dept. of Applied Earth Sciences
  • Aydin, A. Purdue Univ., Lafayette, IN (United States). Dept. of Earth and Atmospheric Sciences

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Description

Fluid flow through fracture networks in a rock mass depends strongly on the nature of connections between fracture segments and between individual fractures. Therefore the objective of this research project is to develop three dimensional models for natural fracture connectivity using an integrated field, laboratory, and theoretical methodology. The geometric models we have developed are based on detailed field mapping and observations from outcrops of both massive and layered sedimentary rocks, typical of producing oil and gas reservoirs, or of aquifers. Furthermore, we have used computer simulations and laboratory experiments to investigate the physical mechanisms responsible for fracture connectivity (or lack thereof) as single and multiple sets of fractures evolve. The computer models are based on fracture mechanics principles and the laboratory experiments utilize layered composite materials analogous to sedimentary sequences. By identifying the physical mechanisms of connectivity we can relate the degree of connectivity to the geometry, state of stress, and material properties of the reservoir rocks and, in turn, be in a position to evaluate the influence of these factors on fracture permeability.

Physical Description

9 p.

Notes

OSTI as DE95012911

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  • Other Information: PBD: [1995]

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  • Other: DE95012911
  • Report No.: DOE/ER/14081--T4
  • Grant Number: FG03-89ER14081
  • DOI: 10.2172/71655 | External Link
  • Office of Scientific & Technical Information Report Number: 71655
  • Archival Resource Key: ark:/67531/metadc708973

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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. 24, 2015, 12:55 p.m.

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Pollard, D.D. & Aydin, A. Models of natural fracture connectivity: Implications for reservoir permeability. Annual report for DOE Basic Energy Sciences, 1990, report, June 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc708973/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.