Page 462 - Fundamentals of Enhanced Oil and Gas Recovery

Ref. [410] [894] [42,571] [803] [906] [689] [729, 910 910]

by with solvent a during bbls year. Mbbls increase flow; 6; to as:
water neighbor treated of saturation tension mobility totaled to bbls oil 40,371 from 256 five next was conservative 40% production high zone; efficiency production reduction 59.6; fluid 6.4 acids, propanol

and in of reduction oil biosurfactatnts interfacial oil short-chain Incremental (IR) 7893 of bbls and year to bbls second ranging to the MEOR a as the to good from generation lactic and
increased decreased producers injector residual situ improved Reserves of 21,000 first 22,358 the during Values Mbbls for oil of assumed projection effect approximate oil net of permeability sweep improvement; effect tension 66.5 reduction acid, ethanol

Effects Oil in low from MEOR range the 138 of years Positive An in Plugging Vertical Biopolymer Positive Surface from Restoring PH Bioproducts acetic

media nutrients air, and ions;

containing K, oligoelements water base water containing ammonium phosphate 2% sucrose; beet; water

Nutrient Salts P , N, Injection Formulate suitable Formation Adaptable Water Molasses Dry Sugar Molasses; Fresh

degrading facultative degrading with properties between and species microbiota bacterium oil-oxidizing water water producing (Leuconostoc

system microorganisms anaerobic-facultative microorganisms microbacteria active biometabo1ite resident reservoir native from and mesenteroides)

Microbial Hydrocarbon anaerobic Hydrocarbon Ultra surface Interactions producing the the of Reservoir Indigenous bacteria injection formation Biopolymer bacteria

25% 25% total a production (1900 M 3 / water md 884 19.8% formation NaCl mD
Papagayos
Characteristics production total from formation 198 F permeability: mD porosity: saturation: oil has block producers. oil BOPD 11,950 214 and (34,000 MBWPD coproduced 76 C to 11 to 15.4 of salinity NaCl 2% is 45 C injection of salinity 0.01% is Sand Unconsolidated m 650 21 C 1500 heavy viscosity: 15 API

Cases of 60% comes Temperature: Average 1000 Effective Residual Ventana La 230 of Current is M 3 /D) of D) Temperature: Permeability: Porosity: The water Temperature: The water Depth: Temperature: Permeability: Porosity:30% Oil Density:

field Brazil reservoir zones
field field in field oil the in of oil high
Vizcacheras Ventana oil Queensland field onshore located northeast cases heavy with permeability

Cases La Alton Alton An All A

(Continued) Technology MEOR MEOR BOS b system MCF CMR CMR, ASMR c MSPR

10.7
Table Country Argentina Argentina Australia Australia Brazil Bulgaria Canada