Page 472 - Fundamentals of Enhanced Oil and Gas Recovery
P. 472

Ref.  [11]         [889]     [944]     [413]     [108]  [945]  [16]    [900]
                       the   and     up                  by        by  up                  CO 2
                     of  a       field         oil                             oil  months
                     bbl  during  with  of  bbl  the  the  improved  of  increased  acids  increased  increased  of  improvement  and  reduction;  gravity
                     69,000  oil  months  recovery  of  of  life  months  increase  days;  30  gases,  months  increase  5  for  surfactant

                     of  incremental  42  projected  400,000 600,000  extension  economic  60 137  production  79%  production  production  for  reduction;  of  solvents  production  7  for  production  350%  production  recovery  to  production;  paraffin  API  of

                  Effects  Recovery  first  an  by  Oil  to  Significant  Oil  100%  PH  Production  and  Oil  230%  Oil  to  Considerable  Oil  due  and  PH  Increase



                     nitrate,  and   4%            salts;  salts;  (4% 8%);  solids  with  4%  mineral  as  (4% 10%);  glycolate  nitrogen;  phosphate


                  Nutrient  Potassium,  sodium  dihydrogen  phosphate,  molasses  Molasses  Sucrose;  Molasses;  Phosphate  Nitrate  extract  Y east  Molasses  milk  Dry  (0.09%)  Molasses  Molasses  compatible  nutrients  (NH4) 3 PE 4  Molasses  Urea,  Salts:  ammonium  nitrate,  acetate  Inorganic  and  nutrients;  Biocatalyst



                     phosphorus  microbial  the  of:  a  and  rod  facultative  high  bacteria  sucrose-  microbial  Bacillus  of  type Clostridium  of  degrading


                  system  and  added  water  cultures  sp.,  sp.,  licheniformis;  gram-negative  and  fermenting  medium  anaerobic  cultures  Clostridium  of  cultures  hydrocarbon

                  Microbial  Nitrogen  containing  nutrients  injection  Mixed  Clostridium  Bacillus  Bacillus  Anaerobic  anaerobic  molasses  Clostridium  Mixed  cultures  Mixed  and  Culture  Mixed  bacteria




                                 32  and
                         16
                  Characteristics  Formation  ft  2300  In-place:  Oil  barrels  Production:3000  wells  injection  wells producing




                  Cases  Sandstone  Depth:  Initial  million  Oil  BOPD  20

                     Creek           stimulation  case  a  in  case  stimulation           Texas

                     Blowhorn  field  oil  well  water-flooding  Tulsa,  in  Oklahoma  of  microorganisms  well  stimulation  (Oklahoma  well  environmental  in  test



                  Cases  North  Unit  Single  held  up  Scale  single  Univ.field  state)  Single  case  5  Case  6  Case  Alpha  field



                (Continued)  Technology  MPPM r  CMR  CMR  CMR     CMR  CMR    CMR       MFR




                10.7
                Table  Country  UK   USA       USA       USA       USA  USA    USA       USA
   467   468   469   470   471   472   473   474   475   476   477