velocity calculator for air drilling

7/23/2019 Velocity Calculator for Air Drilling

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L/S Pipe Hole A100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

100 70 100 0.00785 0.0038465 0.0040035 24.978144

70 76 89 102 114 140

70 mm 76 mm 89 mm 102 mm 127 mm 140 mm

90 90 mm 0.25 0.18 0.01 (0.18) (0.38) (0.90)

100 100 mm 0.40 0.33 0.16 (0.03) (0.24) (0.75)

110 110 mm 0.57 0.50 0.33 0.13 (0.07) (0.59)

120 120 mm 0.75 0.68 0.51 0.31 0.11 (0.41)

130 130 mm 0.94 0.87 0.70 0.51 0.31 (0.21)

140140 mm 1.15 1.09 0.92 0.72 0.52 0.00

150150 mm 1.38 1.31 1.14 0.95 0.75 0.23

160160 mm 1.62 1.56 1.39 1.19 0.99 0.47

170170 mm 1.88 1.82 1.65 1.45 1.25 0.73

180180 mm 2.16 2.09 1.92 1.73 1.52 1.00190190 mm 2.45 2.38 2.21 2.02 1.81 1.30

200200 mm 2.76 2.69 2.52 2.32 2.12 1.60

210210 mm 3.08 3.01 2.84 2.65 2.44 1.92

220220 mm 3.41 3.35 3.18 2.98 2.78 2.26

230230 mm 3.77 3.70 3.53 3.34 3.13 2.61

240240 mm 4.14 4.07 3.90 3.70 3.50 2.98

250250 mm 4.52 4.45 4.28 4.09 3.89 3.37

100

70 76 89 102 127 140

70 mm 76 mm 89 mm 102 mm 127 mm 140 mm

90 mm 40 55 712 (55) (26) (11)100 mm 25 30 61 (315) (43) (13)

110 mm 18 20 30 75 (142) (17)

120 mm 13 15 20 32 91 (24)

130 mm 11 11 14 20 33 (47)

140 mm 9 9 11 14 19 #D!/0"

150 mm 7 8 9 11 13 44

160 mm 6 6 7 8 10 21


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170 mm 5 6 6 7 8 14

180 mm 5 5 5 6 7 10

190 mm 4 4 5 5 6 8

200 mm 4 4 4 4 5 6

210 mm 3 3 4 4 4 5

220 mm 3 3 3 3 4 4

230 mm 3 3 3 3 3 4240 mm 2 2 3 3 3 3

250 mm 2 2 2 2 3 3

200

70 76 89 102 127 140

70 mm 76 mm 89 mm 102 mm 127 mm 140 mm

90 mm 80 110 1423 (111) (52) (22)

100 mm 50 60 123 (631) (85) (27)

110 mm 35 40 61 150 (284) (34)

120 mm 27 30 39 64 181 (49)

130 mm 21 23 28 39 65 (94)

140 mm 17 18 22 28 39 #D!/0"150 mm 14 15 17 21 27 88

160 mm 12 13 14 17 20 42

170 mm 11 11 12 14 16 27

180 mm 9 10 10 12 13 20

190 mm 8 8 9 10 11 15

200 mm 7 7 8 9 9 12

210 mm 6 7 7 8 8 10

220 mm 6 6 6 7 7 9

230 mm 5 5 6 6 6 8

240 mm 5 5 5 5 6 7

250 mm 4 4 5 5 5 6

400

70 76 89 102 127 140

70 mm 76 mm 89 mm 102 mm 127 mm 140 mm

90 mm 159 219 2847 (221) (104) (44)

100 mm 100 121 245 (1261) (170) (53)

110 mm 71 81 122 300 (569) (68)

120 mm 54 59 79 128 363 (98)

130 mm 42 46 57 78 131 (189)

140 mm 35 37 44 55 77 #D!/0"

150 mm 29 30 35 42 54 176

160 mm 25 26 29 34 40 85170 mm 21 22 24 28 32 55

180 mm 19 19 21 23 26 40

190 mm 16 17 18 20 22 31

200 mm 15 15 16 17 19 25

210 mm 13 13 14 15 16 21

220 mm 12 12 13 13 14 18

230 mm 11 11 11 12 13 15


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240 mm 10 10 10 11 11 13

250 mm 9 9 9 10 10 12


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-2.00

-1.00

0.00

1.00

2.00

3.00

4.00

5.00


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280131115.$l%$

Sida 7

Uphole velocity DTH drilling

Metric

Ai& 'o%mp*io o+ ,amme&- 1175 L/SHole %ie- 660

e %ie- 127

Velocity = 4 M/S

!peri"lAi& 'o%mp*io o+ ,amme&- 1200

Hole %ie- 26 ',

e %ie- 5 ',

Velocity = ##$%14 &t/Min


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&ree "ir con'(!ed )S*&M+ 450S

,it di"!eter )inche'+ 26 ',e%

Drill pipe di"!eter )inche'+ 5 ',e%

Up-hole velocity 127 +pm


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Ai& ,a% a e& lo i%'o%i* ,i', mea% *,a* %a*i%+a'*o& ai& %, d&illi o&mall &ei&e%

+ ai& pee*&a*e% *,e &od *,e i* ma o* &ea', *,e &od %&+a'e a* a %;'ie*l ,i, el

100 m/m


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p,ole elo'i*ie% o+ ao* 1000 m/mm. ,i', 'a ol e o*aied i *,e &ela*iel la&e:dia

'i* *o 'a&& *,e '**i% i*, i*. ,e&e ill e


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e*e& d&ill,ole% %ed +o& &od ie%*ia*io %i e$pe%ie ,i,:o*p* ai& 'omp&e%%o&%.

d *,e ,ole ma e'ome lo'>ed. ,i% ill %e&io%l a?e'* i* ea&. addi*io *o *,e%e p&ole


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A 600 '+m ('i' +ee*/mi*e) 'omp&e%%o& i% *pi'all &ei&ed ad *,i% i% oi% ad di;'l* *

% ai& %, ,a% eliile l&i'a*io p&ope&*ie% i% o* pa&*i'la&l e?e'*ie a% a 'oola* ad


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*o *o *,e %i*e o+ &emo*e d&ill,ole%. ,e ai& leai *,e o&e,ole p&od'e% a d%* plme le

&ee*l lead% *o e$'e%%ie e&o%io o+ %o+* &o'>% a&od *,e 'o&ea&&el ad


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% %pe'ial eipme* i% %ed *o %pp&e%% i*.

velocity calculator for air drilling

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