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Evaluation of emulsion steam blocking processes. Project OE3B. Annual report for FY 1985

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Laboratory work on this project started in late April 1984. During the first year of this project, FY 84, the effectiveness of emulsion blocking at elevated temperatures was demonstrated. Emulsions were identified that could be injected into cores, which reduced permeability up to 95 percent and withstood steam injection. It was found that dilute water-external emulsions were stable in fresh water (condensed steam) and had viscosities low enough for injection. The work in FY 85 demonstrated blocking in cores with residual oil saturation, in situ generation of blocking emulsions, and the examination of surfactant blends that produce macroemulsions spontaneously or at least with minimum input of mechanical energy. This report addresses Tasks 4-8 of project OE3B. The paper, ''Blocking of High Permeability Zones in Steamflooding by Emulsions'' in the Appendix has been processed separately for inclusion in the Energy Data Base. 18 refs., 4 figs., 17 tabs.

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Last Updated December 17, 2014, 10:56 (EST)
Created December 17, 2014, 10:54 (EST)
Citation French, T. (1986). Evaluation of emulsion steam blocking processes. Project OE3B. Annual report for FY 1985.
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