Oil-foam interactions in a micromodel

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Description

This report presents results of a pore-level visualization study of foam stability in the presence of oil. Many laboratory investigations have been carried out in the absence of oil, but comparatively few have been carried out in the presence of oil. For a field application, where the residual oil saturation may vary from as low as 0 to as high as 40% depending on the recovery method applied, any effect of the oil on foam stability becomes a crucial matter. Sandstone patterns were used in this study. The micromodels used are two-dimensional replicas of the flow path of Berea sandstone ... continued below

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119 p.

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Sagar, N.S. & Castanier, L.M. November 1, 1997.

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Description

This report presents results of a pore-level visualization study of foam stability in the presence of oil. Many laboratory investigations have been carried out in the absence of oil, but comparatively few have been carried out in the presence of oil. For a field application, where the residual oil saturation may vary from as low as 0 to as high as 40% depending on the recovery method applied, any effect of the oil on foam stability becomes a crucial matter. Sandstone patterns were used in this study. The micromodels used are two-dimensional replicas of the flow path of Berea sandstone etched on to a silicon wafer to a prescribed depth, adapting fabrication techniques from the computer chip industry. After flooding the models up to connate water and residual oil saturations, surfactant flood followed by gas injection to generate foam was done. Visual observations were made using a high resolution microscope and pictures were recorded on videotape before being processed as they appear in this report.

Physical Description

119 p.

Notes

OSTI as DE98000457

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  • Other Information: PBD: Nov 1997

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  • Other: DE98000457
  • Report No.: DOE/BC/14994--4
  • Report No.: SUPRI-TR--110
  • Grant Number: FG22-96BC14994
  • DOI: 10.2172/564009 | External Link
  • Office of Scientific & Technical Information Report Number: 564009
  • Archival Resource Key: ark:/67531/metadc697572

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 10, 2015, 9:12 p.m.

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Sagar, N.S. & Castanier, L.M. Oil-foam interactions in a micromodel, report, November 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc697572/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.