Page 465 - Fundamentals of Enhanced Oil and Gas Recovery

[916] [169,561, 626] [917,918] (continued)

resulted pressure injection and was rate wells, oil was is process benefit (P-1) products could recovery by reservoir decrease by reduce by viscosity oil the on appropriate Kongdian

flooding wellbore water better reduced was production in corresponding increasment tons flooding economic application good aeruginosa metabolic 10% of oil the model also and pressure could oil for of enhancement based microflora is the at

Microbial stable in and profile cut Water oil increased oil total 9536 Microbial great of and prospect Pseudomonas its and (PIMP) enhance the in 11.2% injection 40.1%. (10%) PIMP crude the 38.5% method The recovery stratal activation use for field oil

Water g/L; 20 g/L; 2 g/L; 2 g/L; 2 g/L; 3 g/L; 2 g/L 0.05 tryptone yeast g/L), g/L), (2.5 glucose

Formation Glucose, Peptone, Na 2 HPO 4 , (NH4) 2 SO 4 , KH 2 PO 4 , MgSO4, CaCl 2 , Bacto (0.5 extract and g/L) (1.0

Bacteria, Iron-Reducing Methane (P- aeruginosa the from by contaminated oil) thermophilic fermentative cells/ml), and cells/mL), cells/mL)

Fermentative Sulfate-Reducing Bacteria, Bacteria, Bacteria Pseudomonas (isolated 1) water crude the Anaerobic microorganisms, including (102 105 sulfate-reducing (0 102 methanogenic (0 103 microorganisms

thickness: g/cm 3 MPa.s ft 16% thickness: m 33% g/cm 3 hydrocarbons compounds
μm 2
20% 30% 60 726*10 23 72.2% effective 0.88 0.92 36 200 pressure: MPa 1400 depth: porosity: effective 20% 45 C MPa 6.7 oilbearing 1206 1435 59 C porosity: permeability: μm 2 0.900 saturated aromatic and resins

Porosity: Permeability: saturation: Oil Average m 35.7 Density: Viscosity: Saturation 7 9.6 Average Average Average m. 9.2 content: Wax Temperature: Viscosity: Sandstone Depths: Temperature: Average Stratum 1.878 Density: 53% 20% 21.15% asphaltenes

field
oil field field oil
Wenmingzhai oil Daqing Kongdian

MEOR MEOR
MF

China China China