 |
|
 |
 |
 |
|
 |
|
 |
* HYDROSTATIC PRESSURE (kPa) = MUD DENSITY (Kg/m3) x DEPTH x 0.00981
* FORMATION PRESSURE (kPa) = SIDPP (kPa) + HYDROSTATIC PRESSURE (kPa)
* kg OF BARITE REQUIRED TO RAISE DENSITY 1 TO DENSITY 2

* CUBIC METERS OF WATER REQUIRED TO REDUCE DENSITY 1 TO DENSITY 2

* VOLUME INCREASE DUE TO WEIGHTING MATERIAL
 |
 |
M = mass of weighting material added, (kg)
DM = weighting material density (kg/m3)
|
* WEIGHTING MATERIALS DENSITIES |
 |
Barite
CaCO3
Iron Oxide
|
 |
4200 kg/m3
2750 kg/m3
5100 kg/m3
|

* HIGH SHEAR RANGE "n" and "K" VALUES



* LOW SHEAR RANGE "n" and "K" VALUES



|
 |
|
 |
|
O.D.
(mm)
|
MASS
(Kg/m)
|
I.D.
(mm)
|
CAPACITY
(m3/metre)
|
DISPLACEMENT
(m3/metre)
|
|
114,3
(4.5)
|
14,14
15,62
17,26
20,09
|
103,89
102,92
101,6
99,57
|
0,0085
0,0083
0,0081
0,0078
|
0,0018
0,0019
0,0022
0,0025
|
|
127
(5.0)
|
17,11
19,34
22,32
26,78
|
115,82
114,15
111,96
108,61
|
0,0105
0,0102
0,0098
0,0093
|
0,0021
0,0024
0,0028
0,0034
|
|
139,7
(5.5)
|
20,83
23,06
25,3
29,76
34,22
|
127,31
125,73
124,26
121,36
118,62
|
0,0129
0,0124
0,0121
0,0116
0,0111
|
0,0026
0,0029
0,0032
0,0038
0,0043
|
|
168,3
(6.625)
|
29,76
35,71
41,66
47,62
|
153,65
150,39
147,09
144,15
|
0,0185
0,0178
0,017
0,0163
|
0,0037
0,0045
0,0053
0,0059
|
|
177,8
(7.0)
|
25,3
29,76
34,22
38,69
43,15
47,62
52,08
56,54
|
166,07
163,98
161,7
159,41
157,07
154,79
152,5
150,37
|
0,0217
0,0211
0,0205
0,02
0,0194
0,0188
0,0183
0,0178
|
0,0032
0,0037
0,0043
0,0049
0,0054
0,006
0,0066
0,0071
|
|
193,7
(7.625)
|
35,71
39,28
44,19
50,15
58,03
|
178,44
177,01
174,63
171,83
168,28
|
0,025
0,0246
0,0239
0,0232
0,0222
|
0,0045
0,0049
0,0055
0,0063
0,0072
|
|
219,1
(8.625)
|
35,71
41,66
47,62
53,57
59,52
65,47
72,91
|
205,66
203,63
201,19
198,76
196,22
193,68
190,78
|
0,0332
0,0326
0,0318
0,031
0,0302
0,0295
0,0286
|
0,0045
0,0051
0,0059
0,0068
0,0075
0,0082
0,0091
|
|
244,5
(9.625)
|
48,06
53,57
59,52
64,73
69,94
79,61
|
228,63
226,59
224,41
222,38
220,5
216,79
|
0,0411
0,0403
0,0396
0,0388
0,0382
0,0369
|
0,0059
0,0066
0,0074
0,0081
0,0088
0,01
|
|
273
(10.75)
|
48,73
60,26
67,7
75,89
82,58
|
258,88
255,27
252,73
250,19
247,9
|
0,0526
0,0512
0,0502
0,0492
0,0483
|
0,0059
0,0074
0,0084
0,0092
0,0103
|
|
298,4
(11.75)
|
62,5
69,94
80,35
89,28
|
281,53
279,4
276,35
273,61
|
0,0623
0,0613
0,06
0,0588
|
0,0077
0,0086
0,0099
0,0111
|
|
339,7
(13.375)
|
71,42
81,1
90,77
101,18
107,14
|
322,96
320,42
317,88
315,34
313,61
|
0,0819
0,0802
0,0794
0,0781
0,0772
|
0,0087
0,01
0,0113
0,0125
0,0134
|
|
406,4
(16)
|
96,72
111,6
124,99
|
387,35
384,18
381,25
|
0,1178
0,1159
0,1142
|
0,0119
0,0138
0,0156
|
|
508
(20)
|
140,19
158,83
198,35
|
485,75
482,6
475,74
|
0,1854
0,183
0,1778
|
0,0178
0,0202
0,0253
|
|
762
(30)
|
234,64
349,41
462,29
|
736,6
723,9
711,2
|
0,4263
0,4117
0,3972
|
0,0299
0,0445
0,0589
|
 |
|
|
|
|
|
 |
|
 |
|
O.D.
(mm)
|
MASS
(Kg/m)
|
I.D.
(mm)
|
CAPACITY
(m3/metre)
|
DISPLACEMENT
(m3/metre)
|
|
60,3
(2 3/8)
|
7,2
9,9
|
50,7
46,1
|
0,002
0,0017
|
0,00092
0,00126
|
|
73
(2 7/8)
|
9,6
10,2
12,4
15,5
|
62,7
62
59
54,6
|
0,0031
0,003
0,0027
0,0023
|
0,00122
0,0013
0,00159
0,00197
|
|
88,9
(3 ½)
|
12,7
14,1
16,7
19,8
23,1
|
77,8
76
73,7
70,2
66,1
|
0,0048
0,0045
0,0043
0,0039
0,0034
|
0,00161
0,0018
0,00213
0,00252
0,00294
|
|
101,6
(4)
|
17,6
20,8
23,4
|
88,3
84,8
82,3
|
0,0061
0,0057
0,0053
|
0,00225
0,00266
0,00298
|
|
114,3
(4 ½)
|
19
20,5
24,7
29,8
|
101,6
100,5
97,2
92,5
|
0,0081
0,0079
0,0074
0,0067
|
0,00242
0,00261
0,00315
0,0038
|
|
127
(5)
|
24,2
29
30,5
|
112
108,6
107
|
0,0098
0,0093
0,009
|
0,00309
0,0037
0,00389
|
|
139,7
(5 ½)
|
32,6
36,8
|
121,4
11,6
|
0,0116
0,0111
|
0,00416
0,00469
|
 |
|
|
|
|
|
 |
|
 |
|
O.D.
(mm)
|
MASS
(Kg/m)
|
I.D.
(mm)
|
CAPACITY
(m3/metre)
|
DISPLACEMENT
(m3/metre)
|
|
79,4
(3.125)
|
31.8
|
29.8
|
0.008
|
0.0042
|
|
88,9
(3.5)
|
38.1
|
40.2
|
0.0011
|
0.0051
|
|
104,8
(4.125)
|
50.8
|
52.1
|
0.002
|
0.0066
|
|
120,7
(4.75)
|
57.2
|
78.9
|
0.0026
|
0.0101
|
|
152,4
(6)
|
57,2
71,4
|
123,5
111,6
|
0,0026
0,004
|
0,0157
0,0142
|
|
158,8
(6.25)
|
57,2
71,4
|
135,4
123,5
|
0,0026
0,004
|
0,0172
0,0158
|
|
165,1
(6.5)
|
57,2
71,4
|
147,3
135,4
|
0,0026
0,004
|
0,0188
0,0174
|
|
171,5
(6.75)
|
57.2
|
160.7
|
0.0026
|
0.2050
|
|
177,8
(7)
|
57,2
71,4
|
174,1
163,7
|
0,0026
0,004
|
0,0223
0,0208
|
|
184,2
(7.25)
|
71.4
|
177.1
|
0.004
|
0.0226
|
|
196,9
(7.75)
|
71.4
|
206.9
|
0.004
|
0.0264
|
|
203,2
(8)
|
71.4
|
223.2
|
0.004
|
0.0284
|
|
209,6
(8.25)
|
71.4
|
238.1
|
0.004
|
0.0305
|
|
228,6
(9)
|
71.4
|
290.2
|
0.004
|
0.037
|
|
241,3
(9.5)
|
76.2
|
327.4
|
0.0046
|
0.0411
|
|
247,7
(9.75)
|
76.2
|
345.3
|
0.0046
|
0.0436
|
|
254
(10)
|
76.2
|
366.1
|
0.0046
|
0.0461
|
|
279,4
(11)
|
76.2
|
449.4
|
0.0046
|
0.0567
|
 |
|
|
|
|
|
 |
|
 |
|
Litres/Stroke @ 90% Efficiency (2 Rod Diameter)
LINER DIAMETER (mm)
|
Stroke Length (mm)
|
101 |
108 |
114 |
121 |
127 |
133 |
140 |
146 |
152 |
159 |
165 |
170 |
178 |
184 |
190 |
197 |
203 |
209 |
216 |
203 |
5.4 |
6.19 |
6.99 |
7.78 |
8.73 |
6.69 |
10.6 |
11.5 |
12.7 |
13.8 |
15 |
16.2 |
17.4 |
18.9 |
  |
  |
  |
  |
  |
254 |
6.67 |
7.62 |
8.58 |
6.69 |
10.8 |
12 |
13.3 |
14.6 |
15.9 |
17.3 |
18.7 |
20 |
21.9 |
23.6 |
  |
  |
  |
  |
  |
305 |
7.78 |
9.9 |
10.1 |
11.4 |
12.9 |
14.3 |
15.9 |
17.3 |
19.1 |
20.7 |
22.6 |
24.3 |
26.2 |
28.3 |
30.4 |
  |
  |
  |
  |
356 |
  |
  |
  |
  |
14.6 |
16.4 |
18 |
19.9 |
21.8 |
23.8 |
25.9 |
28 |
30.2 |
32.4 |
35 |
37.4 |
39.9 |
  |
  |
381 |
  |
  |
  |
  |
15.6 |
17.3 |
19.2 |
21.1 |
23.2 |
25.3 |
27.5 |
29.7 |
32.3 |
34.7 |
37.4 |
39.9 |
42.8 |
  |
  |
406 |
  |
  |
  |
  |
16.7 |
18.6 |
20.5 |
22.6 |
24.8 |
27 |
29.4 |
32.3 |
34.5 |
37 |
39.7 |
42.8 |
45.6 |
48.6 |
  |
457 |
  |
  |
  |
  |
18.4 |
20.7 |
22.7 |
25.3 |
27.8 |
30.2 |
32.7 |
35.6 |
38.5 |
41.3 |
44.5 |
47.7 |
51.1 |
54.4 |
  |
508 |
  |
  |
  |
  |
20.3 |
22.7 |
25.1 |
28 |
30.5 |
33.4 |
36.4 |
39.4 |
46.2 |
45.9 |
49.4 |
53.1 |
56.8 |
60.4 |
  |
559 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
49.8 |
53.5 |
57.3 |
61.1 |
65.1 |
69.2 |
73.5 |
610 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
71.1 |
75.6 |
80.2 |
Note: For pump output in m3/stroke, move the decimal point 3 places to the left.
|
 |
|
 |
Litres/Stroke @ 100% Efficiency
LINER DIAMETER (mm)
|
Stroke Length (mm)
|
102 |
108 |
114 |
121 |
127 |
133 |
140 |
146 |
152 |
159 |
165 |
170 |
178 |
184 |
190 |
197 |
203 |
102 |
2.5 |
2.8 |
3.1 |
3.5 |
3.9 |
4.3 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
  |
114 |
2.8 |
3.1 |
3.5 |
3.9 |
4.3 |
4.8 |
5.3 |
5.7 |
6.3 |
  |
  |
  |
  |
  |
  |
  |
  |
127 |
3 |
3.5 |
3.9 |
4.4 |
4.8 |
5.3 |
5.8 |
6.4 |
6.9 |
7.5 |
  |
  |
  |
  |
  |
  |
  |
140 |
3.4 |
3.8 |
4.3 |
4.8 |
5.3 |
5.8 |
6.5 |
7 |
7.6 |
8.3 |
  |
  |
  |
  |
  |
  |
  |
152 |
3.7 |
4.2 |
4.7 |
5.2 |
5.8 |
6.4 |
7 |
7.7 |
8.3 |
9 |
9.7 |
  |
  |
  |
  |
  |
  |
165 |
4 |
4.5 |
5.1 |
5.7 |
6.3 |
6.9 |
7.6 |
8.3 |
9 |
9.8 |
10.6 |
  |
  |
  |
  |
  |
  |
178 |
4.3 |
4.9 |
5.5 |
6.1 |
6.8 |
7.4 |
8.2 |
8.9 |
9.7 |
10.6 |
11.4 |
12.3 |
13.2 |
  |
  |
  |
  |
190 |
4.6 |
5.2 |
5.9 |
6.5 |
7.8 |
8 |
8.8 |
9.6 |
10.4 |
11.3 |
12.2 |
13.1 |
14.2 |
15.2 |
16.1 |
  |
  |
203 |
4.9 |
5.6 |
6.2 |
6.9 |
7.7 |
8.5 |
9.3 |
10.2 |
11.1 |
12 |
13 |
14 |
15.1 |
16.2 |
17.3 |
18.5 |
19.7 |
216 |
5.2 |
5.9 |
6.6 |
7.4 |
8.2 |
9 |
9.9 |
10.8 |
11.8 |
12.8 |
13.8 |
14.9 |
16.3 |
17.2 |
18.5 |
19.7 |
21 |
229 |
5.6 |
6.3 |
7 |
7.8 |
8.7 |
9.6 |
10.5 |
11.5 |
12.5 |
13.6 |
14.7 |
15.8 |
17 |
18.3 |
19.5 |
20.9 |
22.2 |
241 |
5.9 |
6.6 |
7.4 |
8.3 |
9.2 |
10.1 |
11.1 |
12.1 |
13.2 |
14.3 |
15.5 |
16.7 |
18 |
19.3 |
20.6 |
22 |
23.3 |
254 |
6.2 |
7 |
7.8 |
8.7 |
9.6 |
10.6 |
11.7 |
12.8 |
13.9 |
15.1 |
16.3 |
17.6 |
18.9 |
20.3 |
21.7 |
23.2 |
24.7 |
267 |
6.5 |
7.3 |
8.2 |
9.1 |
10.1 |
11.2 |
12.3 |
13.4 |
14.6 |
15.8 |
17.2 |
18.5 |
19.9 |
21.3 |
22.8 |
24.3 |
25.9 |
279 |
6.8 |
7.7 |
8.6 |
9.6 |
10.6 |
11.7 |
12.8 |
14 |
15.3 |
16.6 |
17.9 |
19.3 |
20.8 |
22.3 |
23.9 |
25.5 |
27.2 |
292 |
7.1 |
8 |
9 |
10 |
11.1 |
12.2 |
13.4 |
14.7 |
16 |
17.3 |
18.7 |
20.2 |
21.8 |
23.3 |
25 |
26.7 |
28.4 |
305 |
7.4 |
8.4 |
9.4 |
10.4 |
11.6 |
12.8 |
13.8 |
15.3 |
16.7 |
18.1 |
19.6 |
21.1 |
22.2 |
24.3 |
26 |
27.8 |
29.6 |
Note: For pump output in m3/stroke, move the decimal point 3 places to the left.
|
 |
|
 |
Bit Size, mm
|
Pipe O.D. (mm)
|
136 |
143 |
152 |
156 |
159 |
171 |
194 |
200 |
219 |
222 |
229 |
251 |
279 |
311 |
349 |
381 |
445 |
73 |
84.7 |
77.9 |
71.1 |
67.5 |
64.2 |
52.5 |
39.7 |
36.8 |
29.9 |
29 |
27.2 |
  |
  |
  |
  |
  |
  |
76 |
87 |
82 |
73.4 |
68.6 |
65.3 |
54.3 |
40 |
37.2 |
30.2 |
29.3 |
27.4 |
22.3 |
  |
  |
  |
  |
  |
86 |
120 |
102 |
83.9 |
77.6 |
73.3 |
59.7 |
42.8 |
39.7 |
31.8 |
30.8 |
28.6 |
23.1 |
18.4 |
14.3 |
  |
  |
  |
102 |
157 |
126 |
99.6 |
90.9 |
85.1 |
67.3 |
46.5 |
42.9 |
33.8 |
32.7 |
30.2 |
24.2 |
18.9 |
14.7 |
11.4 |
9.4 |
6.8 |
114 |
  |
  |
  |
  |
104 |
78.4 |
51.7 |
47.2 |
36.4 |
35.1 |
32.3 |
25.5 |
19.6 |
15.2 |
11.7 |
9.6 |
6.9 |
127 |
  |
  |
  |
  |
  |
  |
  |
  |
39.9 |
38.4 |
35.1 |
27.2 |
20.6 |
15.8 |
12 |
9.6 |
7 |
140 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
42.8 |
38.9 |
29.3 |
21.9 |
16.5 |
12.5 |
10.2 |
7.1 |
152 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
48.5 |
43.4 |
31.9 |
23.3 |
17.3 |
12.9 |
10.4 |
7.3 |
165 |
  |
  |
  |
  |
  |
  |
  |
  |
  |
57.7 |
50.5 |
35.6 |
25.2 |
18.3 |
13.5 |
10.8 |
7.2 |
To obtain the annular velocity in metres per min. (m/min), multiply the appropriate number from the bit and pipe size combination, by the pump output in cubic metres per min (m3/min).
|
 |
|
 |
|
UNIT
|
MULTIPLY BY
|
TO OBTAIN
|
|
ft
|
0,3048
|
m
|
|
in
|
25,4
|
mm
|
|
ft
|
0,3048
|
m
|
|
lb
|
0,445
|
daN
|
|
lb
|
0,4536
|
kg
|
|
bbl
|
0,159
|
m3
|
|
US gal
|
0,003785
|
m3
|
|
psi
|
6,853
|
KPa
|
|
lb/gal
|
119,826
|
Kg/m3
|
|
lb/bbl
|
2,853
|
Kg/m3
|
|
lb/ft
|
1,488
|
Kg/m
|
|
psi/ft
|
22,621
|
KPa/m
|
|
FΊ
|
(FΊ-32)/1.8
|
CΊ
|
|
 |
|
 |
DESIRED DENSITY (kg/m3)
Initial Density (kg/m3) |
1100 |
1150 |
1200 |
1250 |
1300 |
1350 |
1400 |
1450 |
1500 |
1550 |
1600 |
1650 |
1700 |
1750 |
1800 |
1850 |
1900 |
1950 |
2000 |
1050 |
17 |
34 |
52 |
71 |
90 |
110 |
131 |
153 |
175 |
198 |
222 |
247 |
273 |
300 |
328 |
357 |
388 |
420 |
453 |
1100 |
  |
17 |
35 |
53 |
72 |
92 |
112 |
134 |
156 |
178 |
202 |
226 |
252 |
279 |
306 |
335 |
365 |
397 |
429 |
1150 |
5 |
  |
17 |
36 |
54 |
74 |
94 |
114 |
136 |
158 |
182 |
206 |
231 |
257 |
284 |
313 |
342 |
373 |
406 |
1200 |
10 |
3.3 |
  |
18 |
36 |
55 |
75 |
95 |
117 |
139 |
161 |
185 |
210 |
236 |
262 |
290 |
320 |
350 |
382 |
1250 |
15 |
6.7 |
2.5 |
|
18 |
37 |
56 |
76 |
97 |
119 |
141 |
165 |
189 |
214 |
241 |
268 |
297 |
327 |
358 |
1300 |
20 |
10 |
5 |
2 |
|
19 |
37 |
57 |
78 |
99 |
121 |
144 |
| | |