Page 471 - Fundamentals of Enhanced Oil and Gas Recovery
P. 471

[31,83,  941]  [87,942]  [943]      [543]                         [779,901]        (continued)




                               oil  changed            by      seems  production  biogas,  the  EOR  even  core  friendly
                               of    1/50              recovery  of  bacteria  for  the  reduced  resulted  length  the  and
                               increase  ratio  to       injection  recovery  by  the  bacteria  obtained  limestone  of
                   effect        production;  oil/water  1/20  effect  oil  in  thermophilic  mechanism  through  biosurfactant,  biomass  of  biosurfactant  was  tight  damage  fracture  with  employment  noncorrosive,  nonhazardous  environmentally  stocks

                   Negative    Significant  The  from  Negative  Increases  tertiary  The  enhanced  be  to  of  and  bacteria  Production  IFT  successful  A  flood  a  in  well  No  Increased  coupled  feed




                   nutrients   molasses  2% 4%         powder                        carbohydrate


                   Adequate  each  for  technology  Sucrose;  10%  Molasses  Inorganic  nutrient  Suitable  sources



                     to  each  (Slime-   gases                                         strain

                   bacterial  according  of  dextranicus  bacteria)  bacteria anaerobic  of producers  Clostridium  and  naturally-occurring  bacterial  generating  of  acid


                   Adequate  inoculum  requirements  technology  Betacocus  forming  Fac.  high  Bacillus  A  anaerobic  capable  organic





                   in  about  in  produced  methods  of  than  production  water;  of  10%  mD  marine  from  ft
                   place  is  barrels  oil  oils  5 12  some  wells  0.5 64  22   C        3346 2 3377  16.5% 19.8%  0.62 2 4.3

                   in  Arabia  total  be  conventional  greater  oil  from  represented  Cores  6% 26%  shallow  taken
                   oil  billion  the  can  producing  and  and  approximately  active  limestone  cores  of
                   Original  Saudi  700  of  35%  place,  by  Wells  gravities  250  ranging  bopd  this  the  Limestone  Porosity:  Permeability:  Temperature:  Water-wet  Seven  depths  Porosity:  Permeability:  8mD



                   Arab
                   seven               wells  oil      Reservoirs

                   of                                                                Field
                   fields  countries  1  Trinidadian   Oil
                   Oil         Case                    UAE                           Lidsey

                     CMR,  MFR,  MSPR
                   CMF ,       MSPR    CMF             MEOR                          MHAF q



                   Arabia      Netherlands  Trinidad-Tobago

                   Saudi       The                     UAE                           UK
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