Specs Results
INITIAL
1 Mud Weight, ppg 12.10
Reading @ 120 F:
600 rpm
300 rpm
200 rpm
100 rpm
6 rpm
3 rpm
2 Low shear [(2*3rpm)-6rpm] ?8 0
3 PV 0
4 YP 12-16 0
5 Gels 10 second
6 Gels 10 minute
7 ES ? 500 344
8 Retort:
Oil, % 55
Water, % 21
Solid, % 24
9 OWR:
Oil portion, % 78/22-81/19 72%
Water portion, % 28%
10 H2SO4 0.1 N, cc 1.5
Excess Lime 3 ppb + 1.9425
11 EDTA 0.1 M, cc/cc mud 4.6
mg Calcium/l of mud Ca+2OM 18,400.00
12 AgNO3 0.282 N, cc 3.20
CaCl2, %w 19.26
CaCl2, ppb 17.53
SG brine 1.17
CaCl2, mg/l 225,333
CaCl2, ppm 320,000 192,556
Chloride, mg/l 143,954
13 HTHP @ 250F, 500psi,ml <5
Oil Based mud Evaluation Calculation:
Data: Reference:
Mud weight, ppg 12.10
Base oil density, g/cc 0.810
Base oil density, lb/gal 6.7473
Density of HGS rHGS, g/cc 4.20
Density of LGS rLGS, g/cc 2.60
Retort Result:
Oil Vo, % 55
Water Vw, % 21.0
Solids Vs, % 24.0
EDTA 0.1 M, cc/cc mud 4.6
H2SO4 0.1 N, cc/cc mud Vsa 1.5
AgNO3 0.282N, ml/ml of mud Vsn 3.2
Equation API RP 13B-2
Salinity Calculation:
Sect. 7
Lime, ppb LimeOM 7.1 1.94
mg Calcium/l of mud Ca+2OM 7.2 18,400.00
mg Chloride/l of mud Cl-OM 7.3 32,000.00
mg Chloride/l of mud from CaCl2 Cl-CaCl2 7.6 32,568.00
Only CaCl2
is present and
Then check which value is larger: No NaCl,
proceed to
Eq. 7.7
mg Calcium Chloride/l of mud CaCl2 OM 7.4; 7.7 50,240.00
Calcium Chloride, lb/bbl CaCl2, ppb 7.5; 7.8 17.6
mg Chloride/l of mud from NaCl Cl -
NaCl 7.9 0.00
mg Sodium Chloride/l of mud NaCl OM 7.10 -
lb NaCl/bbl of mud NaCl, ppb 7.11 0.00
CaCl2 % weight in brine Wc 7.12 19.3
NaCl % weight in brine Wn 7.13 0.00
CaCl2 ppm CaCl2, ppm 7.14 193,053
NaCl ppm NaCl, ppm 7.15 0
Brine density rB, g/cc 7.16 1.152
CaCl2 concentration CaCl2, mg/l 7.17 222,391.18
NaCl concentration NaCl, mg/l 7.18 0.00
Brine percent volume Vb, % 7.19 22.6
Corrected solids percent volume Vs (corrected), % 7.20 22.4
OWR:
Oil Water Ratio Oil Ratio 7.21 72
Water ratio 7.22 28
Oil Brine Ratio Oil Ratio 7.24 71
Brine ratio 7.25 29
Solids Calculation:
Average density of suspended solids rs, g/cc 7.27 3.32
Volume % HGS VHGS , % 7.28 10.15
Volume % LGS VLGS , % 7.29 12.26
Conc. HGS MHGS , ppb 7.30 149
Conc. LGS MLGS , ppb 7.31 112
Water Based mud Evaluation Calculation:
Data: IN OUT
Mud weight, ppg 9.20 9.00
Base oil density, g/cc 0.814
Base oil density, lb/gal 0 6.78062
Density of HGS rHGS, g/cc 4.20 4.20
Density of LGS rLGS, g/cc 2.60 2.60
Retort Result:
Oil Vo, % 0 1
Water Vw, % 90.00 93.00
Solids Vs, % 10 6
AgNO3 0.0282N, ml/ml oVsn 0.1 5.0
Density of filtrate rf 1.000109 1.00545
Chloride concentration Cs, mg/l 100.00 5,000.00
Suspended solids, vol % Vss, % (d) 9.99 5.72
Solids Calculation:
Volume % LGS VLGS , % (e) 3.50 0.94
Volume % HGS VHGS , % 6.49 4.78
Conc. LGS MLGS , ppb 32 9
Conc. HGS MHGS , ppb 95 70
Conc. Suspended solids Css, ppb 127 79
Oil Based mud Evaluation Calculation:
Data:
Mud weight, ppg 11.1 11.5
Base oil density, g/cc 0.81 0.81
Base oil density, lb/gal 6.7473 6.7473
Density of HGS rHGS, g/cc 4.20 4.20
Density of LGS rLGS, g/cc 2.60 2.60
Retort Result:
Oil Vo, % 70 59
Water Vw, % 30 21
Solids Vs, % 0 20
AgNO3 0.282N, ml/ml of mud Vsn 2.60 3.20
Salinity Calculation:
mg Chloride/l of mud ClOM 26,000.00 32,000.00
Assume 100% Chloride comes from CaCl2:
mg Calcium Chloride/l of mud CaCl2 OM 40,820.00 50,240.00
mg Sodium Chloride/l of mud NaCl OM 0 0
Calcium Chloride, lb/bbl CaCl2, ppb 14.3 17.6
CaCl2 % weight in brine Wc 12.0 19.3
NaCl % weight in brine Wn 0 0
CaCl2 ppm CaCl2, ppm 119,770 193,053
NaCl ppm NaCl, ppm 0 0
Brine density rB, g/cc 1.093 1.152
CaCl2 concentration CaCl2, mg/l 130,876.92 222,391.18
NaCl concentration NaCl, mg/l 0 0
Brine percent volume Vb, % 31.2 22.6
Corrected solids percent volume Vs (corrected), % -1.2 18.4
OWR:
Oil Water Ratio Oil Ratio 70 74
Water ratio 30 26
Oil Brine Ratio Oil Ratio 69 72
Brine ratio 31 28
Solids Calculation:
Average density of suspended soilds rs, g/cc -35.59 3.48
High Gravity Solids HGS, % 28.4 10.1
Low Gravity Solids LGS, % -29.6 8.3
