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Introduction
Units of Measurement
Common Minerals and Metals
Useful Conversion Factors
Useful Formulas
Capacity Tables
Hole Capacity
Drill Pipe Capacity and Displacement
API Casing and Liner Capacity and Displacement
Annular Capacity
Annular Velocity
Single Salt Fluid Composition and Blending Tables
Ammonium Chloride Composition and Blending Tables
Potassium Chloride Composition and Blending Tables
Sodium Chloride Composition and Blending Tables
Sodium Formate Composition and Blending Tables
Potassium Formate Composition and Blending Tables
Sodium Bromide Composition and Blending Tables
Calcium Chloride Composition and Blending Tables
Calcium Bromide Composition and Blending Tables
Sodium Bromide Composition and Blending Tables
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TABLE 36. Sodium Bromide (NaBr) Density and Composition Table

Sodium Bromide Density and Composition Information
Density Spec Grav Water NaBr NaBr Br TCT
lb/gal SG bbl lb 98% wt% wt% ºF
8.4 1.008 0.999 3 0.9 0.7 30
8.5 1.020 0.998 8 2.2 1.7 30
8.6 1.032 0.993 14 3.8 2.9 29
8.7 1.044 0.989 19 5.2 4.0 29
8.8 1.056 0.984 25 6.7 5.2 29
8.9 1.068 0.979 31 8.2 6.4 28
9.0 1.080 0.974 37 9.7 7.5 28
9.1 1.092 0.970 43 11.0 8.5 27
9.2 1.104 0.965 49 12.4 9.6 26
9.3 1.116 0.960 55 13.8 10.7 25
9.4 1.128 0.955 61 15.1 11.7 24
9.5 1.140 0.949 67 16.5 12.8 23
9.6 1.152 0.945 73 17.7 13.7 19
9.7 1.164 0.940 79 18.9 14.7 18
9.8 1.176 0.923 89 21.1 16.4 17
9.9 1.188 0.931 90 21.3 16.5 16
10.0 1.200 0.925 96 22.5 17.5 15
10.1 1.212 0.920 102 23.6 18.3 13
10.2 1.224 0.915 108 24.8 19.2 12
10.3 1.236 0.912 114 25.8 20.0 11
10.4 1.248 0.907 119 26.8 20.8 10
10.5 1.261 0.902 125 27.9 21.6 9
10.6 1.273 0.897 132 29.0 22.5 6
10.7 1.285 0.892 137 30.0 23.3 3
10.8 1.297 0.887 143 31.0 24.0 1
10.9 1.309 0.883 149 31.9 24.8 -2
11.0 1.321 0.878 155 32.9 25.5 -5
11.1 1.333 0.873 161 33.8 26.2 -6
11.2 1.345 0.868 167 34.8 27.0 -8
11.3 1.357 0.862 173 35.7 27.7 -10
11.4 1.369 0.857 179 36.6 28.4 -12
11.5 1.381 0.852 185 37.6 29.2 -14
11.6 1.393 0.848 191 38.4 29.8 -16
11.7 1.405 0.842 197 39.3 30.5 -19
11.8 1.417 0.838 202 40.0 31.1 -21
11.9 1.429 0.834 208 40.8 31.7 -13
12.0 1.441 0.828 214 41.7 32.3 -6
12.1 1.453 0.825 220 42.4 32.9 5
12.2 1.465 0.819 226 43.2 33.5 10
12.3 1.477 0.817 231 43.8 34.0 27
12.4 1.489 0.810 238 44.7 34.7 33
12.5 1.501 0.805 243 45.4 35.3 38
12.6 1.513 0.800 249 46.2 35.8 50
12.7 1.525 0.797 255 46.8 36.3 65

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TABLE 37. Sodium Bromide (NaBr) Cutback Table (bbl/bbl)

Sodium Bromide Cutback Information
Target
Density
Starting Density
lb/gal 11.5 11.6 11.7 11.8 11.9 12.0 12.1 12.2 12.3 12.4
10.0 0.521 0.506 0.490 0.477 0.463 0.450 0.439 0.427 0.418 0.406
10.1 0.552 0.536 0.519 0.505 0.491 0.477 0.465 0.452 0.442 0.430
10.2 0.585 0.568 0.550 0.535 0.520 0.506 0.493 0.479 0.469 0.456
10.3 0.615 0.597 0.578 0.562 0.547 0.532 0.518 0.504 0.493 0.479
10.4 0.646 0.627 0.607 0.590 0.574 0.558 0.544 0.529 0.517 0.503
10.5 0.678 0.658 0.637 0.620 0.602 0.586 0.571 0.555 0.543 0.528
10.6 0.711 0.690 0.668 0.650 0.632 0.615 0.599 0.582 0.570 0.554
10.7 0.743 0.721 0.698 0.679 0.660 0.642 0.626 0.608 0.595 0.578
10.8 0.774 0.751 0.727 0.708 0.688 0.669 0.652 0.634 0.620 0.603
10.9 0.807 0.783 0.758 0.737 0.717 0.697 0.679 0.660 0.646 0.628
11.0 0.838 0.813 0.787 0.766 0.744 0.724 0.705 0.686 0.671 0.652
11.1 0.870 0.844 0.817 0.795 0.773 0.752 0.733 0.712 0.697 0.677
11.2 0.902 0.875 0.848 0.825 0.801 0.780 0.760 0.738 0.723 0.702
11.3 0.935 0.907 0.878 0.855 0.831 0.808 0.787 0.765 0.749 0.728
11.4 0.967 0.938 0.909 0.884 0.859 0.836 0.815 0.792 0.775 0.753
11.5 1.000 0.970 0.939 0.914 0.888 0.864 0.842 0.818 0.801 0.778
11.6   1.000 0.968 0.942 0.916 0.890 0.868 0.843 0.825 0.802
11.7     1.000 0.973 0.946 0.920 0.896 0.871 0.853 0.829
11.8       1.000 0.972 0.945 0.921 0.895 0.876 0.852
11.9         1.000 0.973 0.948 0.921 0.902 0.876
12.0           1.000 0.975 0.947 0.927 0.901
12.1             1.000 0.972 0.951 0.924
12.2               1.000 0.979 0.951
12.3                 1.000 0.972
12.4                   1.000

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TABLE 38. Sodium Bromide (98% NaBr) Weight Up Table (lb/bbl)

Sodium Bromide Weight Up Information
Starting
Density
Weight Up Increments
lb/gal 0.1 0.2 0.3 0.4 0.5 0.6
8.4 5.53 11.73 17.35 23.34 29.61 35.61
8.5 6.17 11.78 17.75 24.00 29.97 36.23
8.6 5.57 11.51 17.73 23.67 29.89 35.94
8.7 5.92 12.11 18.03 24.23 30.26 36.58
8.8 6.16 12.05 18.23 24.23 30.52 37.00
8.9 5.86 12.00 17.97 24.23 30.68 37.44
9.0 6.11 12.06 18.29 24.71 31.44 37.50
9.1 5.91 12.12 18.50 25.20 31.23 37.69
9.2 6.17 12.53 19.20 25.20 31.63 37.87
9.3 6.32 12.96 18.93 25.33 31.54 37.68
9.4 6.60 12.54 18.91 25.08 31.18 38.14
9.5 5.90 12.23 18.37 24.44 31.35 37.67
9.6 6.30 12.42 18.46 25.34 31.63 38.40
9.7 6.08 12.09 18.94 25.20 31.93 38.04
9.8 5.98 12.80 19.03 25.73 31.82 38.09
9.9 6.79 13.00 19.67 25.72 31.97 38.70
10.0 6.17 12.80 18.82 25.03 31.72 38.77
10.1 6.60 12.59 18.77 25.43 32.45 39.11
10.2 5.96 12.10 18.72 25.70 32.33 38.87
10.3 6.12 12.71 19.67 26.26 32.78 39.66
10.4 6.57 13.49 20.06 26.54 33.40 40.02
10.5 6.89 13.42 19.87 26.69 33.27 40.23
10.6 6.49 12.91 19.68 26.23 33.15 40.15
10.7 6.38 13.12 19.63 26.52 33.48 40.68
10.8 6.71 13.19 20.04 26.97 34.14 41.22
10.9 6.44 13.26 20.15 27.28 34.33 41.62
11.0 6.78 13.64 20.73 27.75 35.01 41.68
11.1 6.82 13.87 20.85 28.07 34.71 42.43
11.2 7.01 13.95 21.13 27.73 35.41 41.81
11.3 6.90 14.04 20.59 28.23 34.59 41.70
11.4 7.10 13.62 21.22 27.54 34.61 41.76
11.5 6.48 14.03 20.32 27.35 34.45 41.10
11.6 7.51 13.77 20.77 27.84 34.45 42.59
11.7 6.21 13.16 20.19 26.76 34.84 40.44
11.8 6.92 13.92 20.46 28.51 34.09 42.88
11.9 6.96 13.47 21.47 27.02 35.77 42.74
12.0 6.47 14.43 19.95 28.65 35.59 43.37
12.1 7.93 13.42 22.08 28.99 36.74 43.21
12.2 5.46 14.05 20.91 28.60 35.03  
12.3 8.57 15.42 23.09 29.50    
12.4 6.79 14.39 20.75      
12.5 7.57 13.90        
12.6 6.29          

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