Page 468 - Fundamentals of Enhanced Oil and Gas Recovery

Ref. [101] [31] [899] [904,930, 931] [932] [6,766]
by viscosity to in wells oil oil t/ oil
production few a months; 18 CO 2 ); oil ratio production production BOPD injection hopefully, production 120% and reduction; two interfacial in improving sweep water the in increase rates 17.5 oil in incremental Treated 18% wells; production wax

oil for % to ( PH, oil/water oil in oil 8.18 the injection reduction; oil in 36% wells; in of decrease and microscopic of production 18% increase months. 20 oil in days; altered
of 12% 60 up production in increase in from 12.27BOPD, the cut increase 15%, different reduction tension, viscosity, efficiency 20% 50% production or production; of m 3 3 6 another increase 15 30 content
Effects Increase weeks Gas Decrease and An Increase rate, before after Water An by Permeability Skin Reduction the flood A Increased day 0% 48% 2950 in for

nutrients nutrients and using as alkanes carbon

3% motile are of sole source
Nutrient Molasses; Sucrose; KNO 3; Na 3 PO 4 Molasses Molasses Adaptable Organic They capable normal their food

system sewage-sludge thermophilic cultures (predominants: Desulfovibric Clostridium, Pseudomonas) clostridium consortium: anaero thermo and sp. sp. Thermococcus microorganisms Bacillus with licheniformis microorganisms combination and in microorganisms mixtures of cultures anaerobes

Microbial Mixed cultures; Anaerobic mixed and Multi-bacterial type bacterium Indigenous enriched Adaptive Isolation of novel Mixed facultative

Limestone ft 207 F mD 10 700 m mD 29.0 C mD 50 4000 from the in API reservoirs to ss) Ft. deep the ss) Ft. 11.0% 17.8%

Characteristics and 650 8061 186 depth: 26.60% 300 15 32% range gravities 22O to 3000 - in API (6300 reservoirs 43 2 54 C

Cases Sandstone Depth: Temperature: Permeability: Total Porosity: Permeability: Temperature: Porosity: Permeability: Oil 19O shallower (1500 37O reservoirs Sandstone Temp.: Porosity:

Bokor Changqing

field fields oil field in wells field offshore in field

Cases Demjen Indian Ledok Three field Oil wells 27 oil

(Continued) Technology MFR CMR, MSPR MCF k & Huff Puff CMR MCP l

10.7
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