Page 467 - Fundamentals of Enhanced Oil and Gas Recovery

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injection viscosity increased. zone oil coefficient; removal; by increased reduction; alteration. microbial recovery carbonate by molasses adapted of g/L 90 of improved and sandstone rock period effect detection; reduction; sulfate- Bacteria reduction 34%

production improvement. water of profile. kinematic of reduction permeability plugging; of Improvement displacement production improvement. plugging production %; viscosity profile for oil improved and sand columns packed of application inoculums salt a at strain concentration 38% showed in recovery carbonate in % in shut a Positive/negative growth viscosity of Stimulation

Oil Promotion Rate High Oil Polymer Oil 165 Oil Alkane Treatment from and 25 after Microbial Oil Oil Water/oil from

in carbohydrate growth of and
% 2% 4% addition
3 waterflooding. nitrogen phosphorous
Xanthan Molasses Soluble sources; Suitable media Molasses Molasses with sources

tyrobutyricum (high bacteria of sulfate- and Bacillus

of strain occurring strain generator); producers of bacteria SD. of Clostridium; brine
Eurobacterium, Fusobacterium; Adapted Clostridium Naturally anaerobic acid starved Special (good exopolymers) cultures Mixed reducing Pseudomonas cultures Mixed thermophilic: and Indigenous microflora

mostly to of chemical methods experimentation, oil reservoir

articles dedicated combination different physical laboratory and analysis interpretation an in deposit carbonate

Eight and for 1 Case Preliminary trials A case

MHAF j , MSPR CMR, MFR, ASMR MFR, ASMR

Czecho- East

England Former slovakia Former Germany