solids calculations
TRANSCRIPT
Volumes and calculations
VOLUMES COMBINATIONS
top DP 2 disp 0.03035 Displ. 20.51 Pit x
DP2 cap 0.11338 Cap. 76.64 Volume 1500
DP2 length 675.94 Mud Wt 1.605
OD 6.625 Type DP Total Depth 2628
Bit Depth 2628 CENTRIFUGE ANALYSISDP1 disp 0.051 Displ. 0.00 Hole diam 12.25
DP1 cap 0.0286 Cap. 0.00 Riser length 18 Centrifuge Analysis
DP1 length 0 Riser ID 13.625 Feed Weight
OD 5 Type Liner Last csg shoe 1107 Feed Rate
Last csg ID 12.415 Dumped Weight
HWDP disp 0.0272 Displ. 19.31 Prev Hole diam 16 Processed Mud Weight
HWDP cap 0.05728 Cap. 40.67 Prev hole TD 1107
HWDP Length 710 Return Flow
OD 5 Type DP Riser Volume 10.6 Discharge rate
Casing Volume 535.0 Solids Discharge
DC2 disp 0.03035 Displ. 33.78 Open hole volume 727.4
DC2 cap 0.11338 Cap. 126.19 Pipe Volume 246 Volume Dumped
DC2 length 1113 Pipe Displacement 98
OD 6.625 Type DP Hole volume 1273
Hole vol with pipe 1176
bottom DC1 disp 0.18543 Displ. 23.93
DC1 cap 0.01991 Cap. 2.57
DC1 length 129.06
OD 8 Type DC
Volumes and calculations
COMBINATIONS
Pit y Combined Props
80 1580 bbls
1.54 1.60 sg
CENTRIFUGE ANALYSIS
1.46 sg / ppg
20 gpm
2.3 sg / ppg
1.01 sg / ppg
13.0 gpm
7.0 gpm
8,034 lbs/hr
3.6 Mt/hr
4.9 bbls/hr
Wt Up or Down
Page 3
Weight Reduction With Oil/Water Weight reduction with Oil/Brine
Mud Weight (sg) 1.77 Mud Weight (sg)
Desired Mud Weight (sg) 1.59 Desired Mud Weight (sg)
Mud volume (bbls) 186 Mud Volume (bbls)
Weight of water (sg) 1.03 Weight of Brine (sg)
Volume Required (bbls) 59.8 Volume Required (bbls)
New Volume (bbls) 245.8 New Volume (bbls)
Weight up with barite
Weight Up Enter Data
Present Weight (sg) ?? 1.21 RED CELLS CALCULATED
Required Weight (sg) ?? 1.77
Volume to Weight Up ?? 151 INSERT FIGURES ONLY WITH BLACK TEXT !
Barite Required (lbs) 51154 lb
(mt) 23.2
Volume Increase 34.8
New Volme 186
Weight up with Dolomite
Weight Up Enter Data
Present Weight (sg) ?? 1.2 9.996 519.792
Required Weight (sg) ?? 1.275 10.62 552.279
Volume to Weight Up ?? 1350
Dolomite Required (lbs) 64093 lb
(mt) 29.1
Volume Increase 43.6
New Volme 1394
Wt Up or Down
Page 4
Weight reduction with Oil/Brine
1.62
1.6
1300
1.12
54.2
1354.2
RED CELLS CALCULATED
INSERT FIGURES ONLY WITH BLACK TEXT !
Cuttings Concs
Page 5
Hydraulics: Cuttings concentration calculations
Cuttings S.G ? 2.6 Flow rate (gal/min) ? 200
Particle Thickness (in.) ? 0.25 Hole diameter (in.) ? 8.5
Fluid Density (ppg) ? 12.6 Outside diameter of DP (in.) ? 5
ROP (ft/hr) ? 300
(1) Particle Shear Stress (lb/100 ft2) = 11.31
(2) Slip Velocity for turbulent flow (ft/min) = 52.96
(3) Cuttings transport (ft/min) = 50.66
(4) Annular velocity (ft/sec) = 1.73
(5) Transport effeciency (%) = 48.9
(6) Cuttings Concentration (Vol %) = 15.073.267686
(7) Effective mud weight (ppg) = 13.97
Red Figures are calculated.
Only Change BLACK values !
OWR Up or Down
Page 6
Raise/lower OWR
Circulating Volume (bbls) ? 1600 Volume of Oil in System = 992
Oil % ? 62 Volume of Water in System = 304
Water % ? 19 Volume of Solids = 304
Solids % ? 19
Raise OWR to (Oil %) 77 Oil Required (bbls) = 25.739
(Water %) 23
Lower OWR to (Oil %) 60 Brine required (bbls) = 357.333
(Water %) 40
Red Figures are calculated.
Only Change BLACK values !
OWR Up or Down
Page 7
bbls
bbls
bbls
bbls
bbls
OBM Solid Analy.
Page 8
OBM Solids Analysis
LGS Density ? 2.6 HGS Density ? 4.22
MW (ppg) ? 12.7 Solids (%) ? 22
Oil (%) ? 52 5.4
Water (%) ? 26 Oil SG ? 0.804
Chlorides Whole Mud = 54,000.00
CaCl2 (mg/l) = 84,780.00 RED CELLS CALCULATED
CaCl2 (ppb) = 29.67
WT % of CaCl2 = 24.59 INSERT FIGURES ONLY WITH BLACK TEXT !
Brine SG (From Brine tables) = 1.23 From WT %
Brine Volume (%) = 28.03
Corrected Solids (%) = 19.97
Average SG of solids = 3.81
HGS (%) = 14.97
LGS (%) = 5.00
HGS (ppb) = 221.05
LGS (ppb) = 45.45
WPS = 207,692
Mls of 0.282 AGN03 Used ?
OBM Solid Analy.
Page 9
RED CELLS CALCULATED
INSERT FIGURES ONLY WITH BLACK TEXT !
HHP
Page 10
Hydraulic Horse Power Annular Velocity
Flow Rate (gpm ) 769
Mud Wt (pptf ) 600 Hole I/D ( in ) = 12.250
TFA ( sq in ) 1.380 Pipe O/D ( in ) = 5.5
Hole diameter ( in ) 12.25 Flow Rate ( gpm ) = 769
HHP/sq in 1.3 Annular Velocity = 157.3
Nozzle Area
Nozzle 1 15
Nozzle 2 15 RED CELLS CALCULATED
Nozzle 3 15
Nozzle 4 15 INSERT FIGURES ONLY WITH BLACK TEXT !
Nozzle 5 15
Nozzle 6 15
Nozzle 7 15
Nozzle 8 15
Nozzle area 1.380
Jet velocity 178.8
Fluid Impact Force (lb f) 821.1
HHP
Page 11
ft/min
INSERT FIGURES ONLY WITH BLACK TEXT !
Solids Calculations
INPUT VALUES:
Mud Weight 1.6 Enter System Type:% Water 76
% Oil 2 Seawater / NaCl: NaCl
Chlorides
MBT (ppb) 5 Chlorides total
CaCO3 (ppb) 0 KCl KCL ppb
Chlorides 75000 Chlorides KCl
HGS Density (sg) 4.2 KCl ppb 36 Chlorides NaCl
LGS Density (sg) 2.6 KCl
Oil Density (sg) 0.82 NaCl
Wt Salt 0
Fw 0
RESULTS: SG Brine 1.0
Vd 1.2
Retort Solids 22 % LGS in Mud 0.54 % Sc 21.9
Soluble Salts 5.66 % LGS in Mud 4.94 ppb Wt Solids 823.6
Corrected Solids 16.34 % ASG 3.8
HGS in Mud 15.80 % HGSs 72.7
Solids ASG 4.15 sg HGS in Mud 232.20 ppb HGS ppb 233.8
HGS %v 15.9
Seawater / NaCl system LGS:Solids 2.08 % LGSs 27.3
Total Chloride - mg/l HGS:Solids 97.92 % LGS ppb 54.3
Sodium Chloride - mg/l LGS %v 6.0
Bentonite:LGS 101.32 %
KCl system CaCO3:LGS 0.00 %
Total Chloride 75000 mg/l
Pot Chloride 36.02 mg/l
Sodium Chloride 15.01 mg/l
Total Potassium 53856 mg/l
K:Cl ratio 0.72
Solids Calculations
KCl
75
36
49.0
26.0
102.9
42.9
145.8
0.161
1.109
56.6
16.3
677.8
4.1
96.7
232.2
15.8
3.3
4.9
0.5
Props. & Graphs
Page 14
MUD PROPERTIES ANALYSIS
DEPTH Weight PV YP 10 SEC 10 MIN SOL MBT LGS pH CHL
1118 1.59 17 23 7 12 22 0 19 9.5 64000
1125 1.605 15 23 6 10 22 0 4 9.6 64000
1192 1.6 14 23 6 10 22 0 8 9.2 64000
1207 1.6 19 22 6 13 22 15 8 9.3 65000
1369 1.605 18 24 7 14 23 10 22 9.1 65000
1426 1.6 17 23 11 25 24 15 44 9.5 65000
1455 1.61 19 24 12 25 25 15 36 9.2 64000
1577 1.605 20 25 10 24 24 12.5 31 8.9 64000
1670 1.6 20 24 12 25 24 15 35 9.1 65000
1803 1.6 20 31 21 35 26 17.5 65 9.1 65000
1853 1.62 18 25 12 25 25 17.5 41 8.9 64000
1891 1.61 19 22 9 19 25 20 36 9 66000
1962 1.615 20 24 8 18 25 17.5 42 8.9 65000
1986 1.615 20 23 9 18 25 17.5 42 8.9 65000
2015 1.61 20 22 9 24 25 20 41 9.4 63000
2111 1.615 19 25 10 23 25 17.5 41 9 64000
2120 1.615 20 24 21 39 27 25 77 8.7 65000
2135 1.605 18 25 16 31 26 25 66 9 64000
2228 1.6 19 24 16 29 25 20 52 9.2 64000
2286 1.61 22 25 17 32 26 25 63 8.8 63000
2370 1.6 21 26 17 33 26 25 68 9.1 64000
2438 1.605 22 23 18 35 27 25 82 8.8 63000
2481 1.6 15 20 9 20 24 17.5 39 8.8 61000
2512 1.6 20 21 11 26 25 35 55 8.8 60000
2588 1.6 17 21 17 27 25 30 55 8.8 59000
2619 1.6 19 25 21 34 26 35 70 8.9 60000
Graphs Below
Props. & Graphs
Page 15
1192
1426
1670
1891
2015
2135
2370
2512
1.58
1.59
1.60
1.61
1.62
1.63Mud Weight 'V' Depth
Weight
Metres
S.G
1192
1426
1670
1891
2015
2135
2370
2512
0
5
10
15
20
25
0
51015
20253035
PV & YP 'V' Depth
PV
YP
Metres
1192
1426
1670
1891
2015
2135
2370
2512
0
10
20
30
40
Gels 'V' Depth
10 SEC
10 MIN
Metres
Ge
ls
1125
1207
1426
1577
1803
1891
1986
2111
2135
2286
2438
2512
2619
0
25
50
75
100
Solids analysis 'V' Depth
SOL
MBT
LGS
Metres
Props. & Graphs
Page 16
1125
1207
1426
1577
1803
1891
1986
2111
2135
2286
2438
2512
2619
0
25
50
75
100
Solids analysis 'V' Depth
SOL
MBT
LGS
Metres
1192
1426
1670
1891
2015
2135
2370
2512
8
9
10pH 'V' Depth
pH
Metres
pH
SOLIDS ANALYSIS
Page 17
INPUT VALUES:
Mud Weight 1.176471 9.8 Enter System Type:% Water 90
% Oil 0 Seawater / NaCl: NaCl
Chlorides 24000
MBT (ppb) 7.5 Chlorides total
CaCO3 (ppb) 0 KCl KCL ppb
Chlorides 54000 Chlorides KCl
HGS Density (sg) 4.2 KCl ppb 14 Chlorides NaCl
LGS Density (sg) 2.6 KCl
Oil Density (sg) 0.82 NaCl
Wt Salt 0
Fw 0
RESULTS: SG Brine 1.0
Vd 1.4
Retort Solids 10 % LGS in Mud 5.77 % Sc 9.9
Soluble Salts 3.54 % LGS in Mud 52.52 ppb Wt Solids 276.5
Corrected Solids 6.46 % ASG 2.8
HGS in Mud 0.68 % HGSs 12.7
Solids ASG 2.77 sg HGS in Mud 10.04 ppb HGS ppb 18.4
HGS %v 1.3
Seawater / NaCl system LGS:Solids 83.96 % LGSs 87.3
Total Chloride - mg/l HGS:Solids 16.04 % LGS ppb 78.3
Sodium Chloride - mg/l LGS %v 8.6
Bentonite:LGS 14.28 %
KCl system CaCO3:LGS 0.00 %
Total Chloride 54000 mg/l
Pot Chloride 14.01 mg/l
Sodium Chloride 20.18 mg/l
Total Potassium 20944 mg/l
K:Cl ratio 0.39
SOLIDS ANALYSIS
Page 18
KCl
54
14
19.1
34.9
40.0
57.7
97.7
0.098
1.067
35.4
6.5
178.8
2.8
10.6
10.0
0.7
89.4
52.5
5.8