desalt_2d_2saf1

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					MB Desalter Calc for Salt in Treated Crude                   Calc Macro         RUN MACRO AFTER ANY INPUT CHANGE                           Safinayah Plant Set-up
100(H2O/DryCrude feed) to Spheroid             86.12
ppm TDS wet-wild crude                        178840
%H2O Dehy In, Spheroid Out                     23.00
%Wash H2O, WW                                   1.50
ppm TDS Wash H2O                                  20
% BSW in Dry Crude out, Wt                      0.30
%'BSW Dehyd Out                                 0.30
%Eff Dehyd                                      0.85
%BSW 1st Stg Dsalt                              0.30
%Eff 1st Stg Dsalt                              0.85
%Eff 2nd Stg Dsalt                              0.85
%Eff Dsalt of Spheroid                          0.85


RESULTS
#2 Desalter PTB Outlet Dry Crude out             6.5
#2 Desalter %Recycled H2O out, to LCV-3          1.5
#2 Desalter PTB into LCV-3                      32.5
#1 Desalter PTB oil out                         38.9
#1 Desalter %Recycled H2O to LCV-2               1.5
#1 Desalter PTB to LCV2,                       194.5                            check sums check sums               Determine Water Carryover to Dehydrator 1983 Data
Dehydrator outlet Crude PTB                    200.9                             %H2O    PTB                                               Demulsfier ppm to Wild Wet Crude
Dehydrator Recy %Water to LCV-1                 24.2    O'all                       0.00     0.00                               T, F    ppm    %W Dehy in
Dehydrator Out PTB LCV1 H2O                  16208.9    Dehyd                       0.00     0.00                                   110     24    1.03
Spheroid PTB oil out                         16215.3    2desalter                   0.00     0.00                   min              70     14
Spheroid % Injection H2O out                    87.3    1desalter                   0.00     0.00                   max             110     24
Spheroid PTB of Inj H2O                      61562.6    Spheroid                    0.00     0.00
                                                        The above check sums should be zero to complete             WC%         PTB        TDS, ppm
#2 Desalter Crude Out PTB w/ efficiency          12.5   water and salt balance on each unit and overall Operation       87.3       16215     50786 calc ppm
#1 Desalter Crude Out PTB w/effiency             63.4                                                                     3.2      2960 224550 calc ptb
PTB Dehyd out w/eff                             278.1                                                                     3.2      2960 224550 calc WC
Spheroid Crude Out PTB w/ efficiency         19076.8                              0.1764706                         Result Value           Input Value
                                                                                                                    (%wc/100) *(1+.757ppm/1E6) ppm/2.85=PTB
CRUDE, MSC mBPD                                 171     Original Saf Valve based on 15% Formation H2O note 4
GPM LCV-1                                      1207     G26-A-XA-F36583-001-rev4 Jan 1980
GPM LCV-2                                        75     Dehy Feed 29.8% water, max 3.3% norm
GPM LCV-3                                        75     %H2O Dry Crude 0.30%, 9.9ptb
GPM Inj H2O          4355   %H2O Dry Crude to dehyd 4.10% - 3.3%
                            Salt in crude 178840 ppm
mBPD Injection H2O   1194   wash water 20ppm
                            Wash water %DC               1.67
                            Eff of 0.80


                            New Valve size 72-2042 gpm
ayah Plant Set-up                            'Results of PI Study for Saf AH Crude Water Rates in Desalter
                                              Trains T63G26 & D334G57 Apr5-May5 2008
                                                                           T63G26 D334G57
                                             Apr.5 to May 6 '08 avg dly    average average avg T63D334
                                             %WashWater                           1.3      1.42       1.36 H2O/100BBL dc
                                             LCV3 H2O% dry crude                  1.6       1.1       1.35 H2O/100BBL dc
                                             LCV2 H2O% dry crude                  3.1       1.5        2.3 H2O/100BBL dc
                                             LCV1 H2O% dry crude                 15.3       6.2      10.75 H2O/100BBL dc
                                             InWC H2O%drycrude             nd T63          23.4       23.4 D334 'H2O/100BBL dc
                                             AVG Rate MBD/desalter              174.0     149.0      161.5 MBD dc
                                             WC % to Dehyd                        13.7       4.5      9.09 'H2O/100BBL dc
                                             %H2O removed Degass to WC crude =9.1/23.4*100                           38.8 bblW to Dhy/100bbl W Feed
                                             Design Wash Water rate =1.5%, Dsn BSW 0.3%, Dsn mbd dSalt 150/train
                                             use 46%WC 2020msc & 24%WC 2008msc w/44% of WC H2O to dehyd
                                                                                                             used
                                             WC % to Dehyd                   2008msc              10.56             10.6
                                             WC % to Dehyd                   2020msc              20.24             20.3

                                             Valve Sizing Basis              2008 msc    2020 msc                                     bpod          w/c%
                                             %H2O Wet Crude In, Spheroid In WC     24.00       46.00                           1368           171     87.5731 520.2978             38.0
er to Dehydrator 1983 Data                   ppm TDS wet-wild crude               178840      178840                                                          65.03723
ulsfier ppm to Wild Wet Crude                %H2O Dehy In, Spheroid Out             10.60         20.30                                                           1897
    %W Dehy in                               %Wash H2O, WW                           1.67          1.67
                                             ppm TDS Wash H2O                           20              20                                            0.496003 0.013889
                                             % BSW in Dry Crude out, Wt              0.30          0.30
                                             %'BSW Dehyd Out                         0.30          0.30                        1368                        1179 520.2978          0.276
                 0.267065            50786   %Eff Dehyd                              0.85          0.85
               Win/Wd           ppm inj      %BSW 1st Stg Dsalt                      0.30          0.30
                 0.380137         68117.2    %Eff 1st Stg Dsalt                      0.85          0.85
                 0.479452         84893.1    %Eff 2nd Stg Dsalt                      0.85          0.85                               Jan 07 MSC Forcast for year ___
                 0.547945         96246.1    %Eff Dsalt of Spheroid                  0.85          0.85                               YR            MBOD          W MBOD       WC%
                 0.616438        107431.3    MBD dry crude                         150.00        150.00             1200                     2008          1368          400       22.6
                 0.342466        61651.98                                    2008 msc        2020 msc                                        2015          1368          856       38.5
                 0.239726         43718.3    CRUDE, MSC mBPD                         150           150                                       2020          1368         1179       46.3
                 0.136986        25316.64    GPM LCV-1                               524           948
                 0.068493        12771.23    GPM LCV-2                                73            73
                                             GPM LCV-3                                73            73                                'Results of PI Study for Saf AH Crude Water Rates in Desalter
GPM Inj H2O                    1110   2072   Trains T63G26 & D334G57 Apr5-May5 2008
                                                           T63G26          D334G57
Size Basis 70% open max   Dehy V      1354                 average
                                             Apr.5 to May 6 '08 avg dly    average          avg T63D334
max                       #1 Desalt    749   %WashWater              1.3             1.42       1.36
Norm                      #1 Desalt     73   LCV3 H2O% dry crude 1.6                  1.1       1.35
                                             LCV2 H2O% dry crude 3.1                  1.5        2.3
                                             LCV1 H2O% dry crude15.3                  6.2      10.75
                                                      nd T63
                                             InWC H2O%drycrude                       23.4       23.4
                                                                 1
                                             AVG Rate MBD/desalter 74                149       161.5
                                             WC % to Dehyd          13.7             4.48       9.09
                                             %H2O removed Degass                                38.8
                                             to WC crude =9.1/23.4*100
                at 0.38                                    at 0.38                                                        all trns
                to Dehy     Dehyd w/8trns       w/8trns    mbd          %WC to to Dehy             inlet W/O gpm          mbod
                wmbod       %WC     oil         W to dgz   W to dHy Dehyd         W/O      WW%     %        Flow/Valve    Valve H2O
                    152      10.0         171         50         19.0      10.0    11.1%    1.39    29.2%           608          167
                    325      19.2         171        107         40.7      19.2    23.8%    1.39    62.6%          1242          341
                    448      24.7         171        147         56.0      24.7    32.8%    1.39    86.2%          1691          464



e Water Rates in Desalter                            0.38 <= at 1691 gpm valve size by PI Study Avg
                                    0.46 <=at 2042 gpm   valve size sheet to Mgr

avg T63D334
        H2O/100BBL dc
        H2O/100BBL dc
        H2O/100BBL dc
        H2O/100BBL dc
        D334 'H2O/100BBL dc
        MBD dc
        'H2O/100BBL dc
        bblW to Dhy/100bbl W Feed

				
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posted:12/14/2011
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