Page 473 - Fundamentals of Enhanced Oil and Gas Recovery

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Reduction CO 2 surfactant control mobility efficiency enhancement water/oil 30% by months Increased oil of increase for 42% by enhancement time increased rate Increased months 3 oil in

viscosity by caused production; and production; Improved sweep production and 13% reduction ratio 10 After production 250% average production wells production limited a production % 66 production for 166% increment production

Oil Butanol and Oil by Oil An Oil for Oil by Oil 20%

salts not of
syrup; 2% 4% % salts medium lactate; acid; agent solution to paraffin

corn mineral 2 (ingredients mentioned) Na extract; gel nutrients control deposition molasses
Water; Free Some Molasses Molasses Molasses; Mineral Injection or Ca Ascorbic Y east K 2 HPO 4; NaCl; Agar Saline Cane

of gram- cosurfactant cultures; cultures mixed
strain of Bacillus a and acetobutvlicum hydrocarbon- of
adapted Clostridium cultures Clostridiuu, licheniformis rod and producing Polymer-polysaccharide producing culture source microorganisms Clostridium

Special Mixed negative Clostridium Surfactant gas gas Desulfovibrio lastus liquid A marine Bacillus,

90 105 C mD cP md cP

ft 5770 30.5% 4.48 36 API m 16 6
1920 Temperature: viscosity: 122 2.9% viscosity:
Depth: Permeability: Porosity: Oil Density: Depth: Permeability: Salinity: Oil

Loco oil API stimulation case Nacatoch oilfield, sandstone

the heavy with Tulsa, in
in (a well water-flooding in
test filed reservoir 21) held Oklahoma Cretaceous formation Arkansas 11 12 13 14 Chelsea-Alluwe Bartlesville formation
Pilot of Single Case Case Case Case

MFR MFR MFR MFR MSPR MFFR s PRT t

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