SEISMIC ATTENUATION FOR RESERVOIR CHARACTERIZATION

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We have developed and tested technology for a new type of direct hydrocarbon detection. The method uses inelastic rock properties to greatly enhance the sensitivity of surface seismic methods to the presence of oil and gas saturation. These methods include use of energy absorption, dispersion, and attenuation (Q) along with traditional seismic attributes like velocity, impedance, and AVO. Our approach is to combine three elements: (1) a synthesis of the latest rock physics understanding of how rock inelasticity is related to rock type, pore fluid types, and pore microstructure, (2) synthetic seismic modeling that will help identify the relative contributions ... continued below

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Walls, Joel; Taner, M. T.; Derzhi, Naum; Mavko, Gary & Dvorkin, Jack December 1, 2003.

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Description

We have developed and tested technology for a new type of direct hydrocarbon detection. The method uses inelastic rock properties to greatly enhance the sensitivity of surface seismic methods to the presence of oil and gas saturation. These methods include use of energy absorption, dispersion, and attenuation (Q) along with traditional seismic attributes like velocity, impedance, and AVO. Our approach is to combine three elements: (1) a synthesis of the latest rock physics understanding of how rock inelasticity is related to rock type, pore fluid types, and pore microstructure, (2) synthetic seismic modeling that will help identify the relative contributions of scattering and intrinsic inelasticity to apparent Q attributes, and (3) robust algorithms that extract relative wave attenuation attributes from seismic data. This project provides: (1) Additional petrophysical insight from acquired data; (2) Increased understanding of rock and fluid properties; (3) New techniques to measure reservoir properties that are not currently available; and (4) Provide tools to more accurately describe the reservoir and predict oil location and volumes. These methodologies will improve the industry's ability to predict and quantify oil and gas saturation distribution, and to apply this information through geologic models to enhance reservoir simulation. We have applied for two separate patents relating to work that was completed as part of this project.

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OSTI as DE00834365

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  • Other Information: PBD: 1 Dec 2003

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  • Report No.: NONE
  • Grant Number: FC26-01BC15356
  • DOI: 10.2172/834365 | External Link
  • Office of Scientific & Technical Information Report Number: 834365
  • Archival Resource Key: ark:/67531/metadc784673

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Office of Scientific & Technical Information Technical Reports

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  • December 1, 2003

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Jan. 3, 2017, 1:26 p.m.

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Walls, Joel; Taner, M. T.; Derzhi, Naum; Mavko, Gary & Dvorkin, Jack. SEISMIC ATTENUATION FOR RESERVOIR CHARACTERIZATION, report, December 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc784673/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.