DETERMINATION OF THE OPTIMUM COMPOSITION OF MIDDLE-PHASE MICROEMULSION USING THE ORTHOGONAL-TEST-DESIGN METHOD

The orthogonal-test-design method was used to determine the optimum prescription of middle-phase microemulsion for tertiary oil recovery. The results indicate that in the petrolium sulphonate(PS) - the mixed alcohols(iso-propanol and n-butanol) - mineral water(7000ppm) - simulating oil(kerosen with...

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Published inJournal of dispersion science and technology Vol. 20; no. 1-2; pp. 559 - 567
Main Authors Li, Ganzuo, Shen, Qiang, Ma, Chengsong, Li, Fang, Mao, Hongzhi
Format Journal Article
LanguageEnglish
Published Philadelphia, PA Taylor & Francis Group 01.01.1999
Taylor & Francis
Subjects
Applied sciences
Crude oil, natural gas and petroleum products
Crude oil, natural gas, oil shales producing equipements and methods
Energy
Enhanced oil recovery methods
Exact sciences and technology
Fuels
Prospecting and production of crude oil, natural gas, oil shales and tar sands
Enhanced recovery
Oil field
Alcohol
Chemical composition
Fluid injection
Microemulsion
Optimization
Salinity
Sulfonate
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Summary:The orthogonal-test-design method was used to determine the optimum prescription of middle-phase microemulsion for tertiary oil recovery. The results indicate that in the petrolium sulphonate(PS) - the mixed alcohols(iso-propanol and n-butanol) - mineral water(7000ppm) - simulating oil(kerosen with 5.0% crude oil added) system, the optimum composition of the middle-phase microemulsion contains 2.0%PS and 2.2% the mixed alcohols(the weight ratio between iso-propanol and n-butanol is 9:1). The values of solubilization parameter, interfacial tension, and efficiency for oil recovery are 11.5ml/g, 3.30 ×10 -4 mN/m, and 94.6% respectively for the optimum flooding system.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932699908943807