Page 469 - Fundamentals of Enhanced Oil and Gas Recovery

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t/ oil oil 5
17.5 tension mobility water in and oil of 300% years; enhancement to up of injection
production 18% interfacial oil crude relationship and oil effect increase 46% 3080 incremental increase to up 2 8 for characteristics 100% 200% Reduction flooding

Increased or day Reduced Improved the and between Negative and 36% production; m 3 2200 Significant production % 360 Fluids alteration production Oil by months; water pressure

as food water
alkanes carbon 1% and carbohydrates to sea 4% 4%

Normal sole source Nitrate addition injected ؟ Molasses Molasses

anaerobes bacteria in genera: Clostridium, enrichment and Bacillus rods
of occurring water and bacteria to and
cultures facultative Nitrate-reducing naturally Sea aerobic anaerobic belonging Arthrobacter, Mycobacterium, Pseudomonas Peptococcus mixed Clostridium, gram-negative

Mixed North Mixed Adapted

μm % g/L reservoirs bars 30% ft cP

reservoirs thickness: m 11.0 2 17.8% 1.66 2 149.2 3 10 -3 43 2 54 C 50 C): (at mPaUs Content: % 4% 2 76 Salinity:17.13 2 104.4 oil Temperatures:60 100 C 200 400 recovery: API 1325 3753 ft 336 1559 27 55 C mD 6 53 Kg/dm 3

Sandstone Effective 2.6 2 29.6 Porosity: Permeability: Temperature: Viscosity 4.29 2 6.58 Paraffin 4.40 2 12.98 Cut: Water subsea Deep Pressures: Average 40% 32 36 Depth: Porosity:13% 25% Depth: Temperature: Permeability: 100 1500 viscosity: Oil Density: 0.85 0.91

field
field Carpathian reservoir fields
oil MEOR field oil oil
Changqing Sea North projects oil Talara in tests 16 crude Romanian

MEOR MFR CMR

Mongolia Norway Peru Poland Romania