Seismic Waves in Rocks with Fluids and Fractures

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Seismic wave propagation through the earth is often strongly affected by the presence of fractures. When these fractures are filled with fluids (oil, gas, water, CO{sub 2}, etc.), the type and state of the fluid (liquid or gas) can make a large difference in the response of the seismic waves. This paper will summarize some early work of the author on methods of deconstructing the effects of fractures, and any fluids within these fractures, on seismic wave propagation as observed in reflection seismic data. Methods to be explored here include Thomsen's anisotropy parameters for wave moveout (since fractures often induce ... continued below

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Berryman, J G February 6, 2006.

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Seismic wave propagation through the earth is often strongly affected by the presence of fractures. When these fractures are filled with fluids (oil, gas, water, CO{sub 2}, etc.), the type and state of the fluid (liquid or gas) can make a large difference in the response of the seismic waves. This paper will summarize some early work of the author on methods of deconstructing the effects of fractures, and any fluids within these fractures, on seismic wave propagation as observed in reflection seismic data. Methods to be explored here include Thomsen's anisotropy parameters for wave moveout (since fractures often induce elastic anisotropy), and some very convenient fracture parameters introduced by Sayers and Kachanov that permit a relatively simple deconstruction of the elastic behavior in terms of fracture parameters (whenever this is appropriate).

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PDF-file: 20 pages; size: 0.2 Mbytes

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  • Presented at: Stanford Exploration Project Sponsors' Semi-Annual Meeting, Death Valley, CA, United States, Mar 06 - Mar 09, 2006

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  • Report No.: UCRL-PROC-218714
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 883518
  • Archival Resource Key: ark:/67531/metadc892304

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  • February 6, 2006

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  • Sept. 23, 2016, 2:42 p.m.

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  • Dec. 7, 2016, 9:10 p.m.

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Berryman, J G. Seismic Waves in Rocks with Fluids and Fractures, article, February 6, 2006; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc892304/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.