Surfactant-based EOR mediated by naturally occurring microorganisms
Journal Article
·
· SPE Reservoir Engineering (Society of Petroleum Engineers); (United States)
- EG and G Idaho Inc., Idaho Falls, ID (United States)
Oil recovery experiments using Bacillus licheniformis JF-2 (ATCC 39307) and a sucrose-based nutrient were performed with Berea sandstone cores (permeability 0.084 to 0.503 [mu]m [85 to 510 md]). Oil recovery efficiencies for four different crude oils (0.9396 to 0.8343 g/cm[sup 3] [19.1 to 38.1 [degree] API]) varied from 2.8% to 42.6% of the waterflood residual oil. Microbial systems reduced interfacial tension (IFT) [approximately]20 mN/m [[approximately]20 dyne/cm] for all oils tested. After the microbial flood experimentation, organisms were distributed throughout the core, with most cells near the outlet.
- DOE Contract Number:
- AC07-76ID01570
- OSTI ID:
- 5719648
- Journal Information:
- SPE Reservoir Engineering (Society of Petroleum Engineers); (United States), Vol. 8:4; ISSN 0885-9248
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
DISPLACEMENT FLUIDS
ADDITIVES
OIL WELLS
WATERFLOODING
SWEEP EFFICIENCY
BACILLUS
BENCH-SCALE EXPERIMENTS
ENHANCED RECOVERY
EXPERIMENTAL DATA
PETROLEUM DEPOSITS
SURFACTANTS
WELL STIMULATION
BACTERIA
DATA
FLUID INJECTION
FLUIDS
GEOLOGIC DEPOSITS
INFORMATION
MICROORGANISMS
MINERAL RESOURCES
NUMERICAL DATA
RESOURCES
STIMULATION
WELLS
020300* - Petroleum- Drilling & Production
DISPLACEMENT FLUIDS
ADDITIVES
OIL WELLS
WATERFLOODING
SWEEP EFFICIENCY
BACILLUS
BENCH-SCALE EXPERIMENTS
ENHANCED RECOVERY
EXPERIMENTAL DATA
PETROLEUM DEPOSITS
SURFACTANTS
WELL STIMULATION
BACTERIA
DATA
FLUID INJECTION
FLUIDS
GEOLOGIC DEPOSITS
INFORMATION
MICROORGANISMS
MINERAL RESOURCES
NUMERICAL DATA
RESOURCES
STIMULATION
WELLS
020300* - Petroleum- Drilling & Production