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　Drill Pipes
 
 
Standard
API 5D
 
Grade
E75, X95, G105, S135 etc.
 
Drill Pipe
 
Designation
Pipe body
Tool joint
Nominal size Nominal weight Grade Upset type OD Ddp (mm) Wall thickness t (mm) RSC type  OD of PIN AND bOX d (mm) ID of Pin d (mm) Bevel Dia. of Pin and Box Shoulder DF (mm)   Pin tong LPB (mm) Box tong LPB (mm) OD of upset neck DTE/DPE (mm) Torsion Ration, Pin to Drill pipe body
2 3/8 6.65 E EU 60.32 7.11 NC26 85.7 45.45 82.95 177.8 203.2 65.09 1.1
X 85.7 45.45 82.95 177.8 203.2 65.09 0.87
G 85.7 45.45 82.95 177.8 203.2 65.09 0.79
2 7/8 10.4 E EU 73.02 9.19 NC31 104.8 53.98 100.41 177.8 228.6 80.96 1.03
X 104.8 50.8 100.41 177.8 228.6 80.96 0.9
G 111.1 50.8 100.41 177.8 228.6 80.96 0.82
S 　 41.28 100.41 177.8 228.6 80.96 0.82
3 1/2 13.3 E EU 88.9 9.35 NC38 120.7 68.26 116.28 203.2 266.7 98.43 0.98
X 127 65.09 116.28 203.2 266.7 98.43 0.87
G 127 61.91 116.28 203.2 266.7 98.43 0.86
S 127 53.98 116.28 203.2 266.7 98.43 0.8
E 11.4 　 127 65.09 116.28 203.2 266.7 98.43 0.97
X 127 61.91 116.28 203.2 266.7 98.43 0.83
G 127 53.98 116.28 203.2 266.7 98.43 0.9
15.5 S NC40 139.7 57.15 127.4 177.8 254 98.43 0.87
4 14 E IU 101.6 8.38 133.4 71.44 127.4 177.8 254 106.36 1.01
X 133.4 68.26 127.4 177.8 254 106.36 0.86
G 139.7 61.91 127.4 177.8 254 106.36 0.93
S 139.7 50.8 127.4 177.8 254 106.36 0.87
E EU NC46 152.4 82.55 145.26 177.8 254 114.3 1.43
X 152.4 82.55 145.26 177.8 254 114.3 1.13
G 152.4 82.55 145.26 177.8 254 114.3 1.02
S 152.4 76.2 145.26 177.8 254 114.3 0.94
4 1/2 16.6 E IEU 114.3 8.56 158.8 82.55 145.26 177.8 254 119.06 1.09
X 158.8 72.6 145.26 177.8 254 119.06 1.01
G 158.8 76.2 145.26 177.8 254 119.06 0.91
S 158.8 69.85 145.26 177.8 254 119.06 0.81
20 E 10.92 158.75 76.2 145.3 177.8 254 119.07 1.07
X 158.75 69.85 145.3 177.8 254 119.07 0.96
G 158.75 63.5 145.3 177.8 254 119.07 0.96
S 158.75 57.15 145.3 177.8 254 119.07 0.81
16.6 E EU 8.56 NC50 168.28 95.25 154 177.8 254 127 1.23
X 168.28 95.25 154 177.8 254 127 0.97
G 168.28 95.25 154 177.8 254 127 0.88
S 168.28 88.9 154 177.8 254 127 0.81
20 E 10.92 168.28 92.08 154 177.8 254 127 1.07
X 168.28 88.9 154 177.8 254 127 0.96
G 168.28 88.9 154 177.8 254 127 0.96
S 168.28 76.2 154 177.8 254 127 0.81
5 19.5 E IEU 127 9.19 168.28 95.25 154 177.8 254 130.18 1.23
X 168.28 88.9 154 177.8 254 130.18 0.97
G 168.28 82.5 154 177.8 254 130.18 0.88
S 168.28 69.85 154 177.8 254 130.18 0.81
25.6 E 12.7 168.28 88.9 154 177.8 254 130.18 1.02
X 168.28 76.2 154 177.8 254 130.18 0.96
G 168.28 69.85 154 177.8 254 130.18 0.86
S 　 　 　 　 　 　 0.87
19.5 E 9.19 5 1/2FH 177.8 95.25 170.7 203.2 254 130.18 1.53
X 177.8 95.25 170.7 203.2 254 130.18 1.21
G 177.8 95.25 170.7 203.2 254 130.18 1.09
S 184.15 88.9 170.7 203.2 254 130.18 0.98
25.6 E 12.7 177.8 88.9 170.7 203.2 254 130.18 1.21
X 177.8 88.9 170.7 203.2 254 130.18 0.95
G 184.15 88.9 170.7 203.2 254 130.18 0.99
S 184.15 82.55 170.7 203.2 254 130.18 0.83
5 1/2 21.9 E 139.7 9.17 177.8 101.6 170.7 203.2 254 144.46 1.11
X 177.8 95.25 170.7 203.2 254 144.46 0.98
G 184.15 88.9 170.7 203.2 254 144.46 1.02
S 190.5 76.2 180.2 203.2 254 144.46 0.96
24.7 E 10.54 177.8 101.6 170.7 203.2 254 144.46 0.99
X 184.15 88.9 170.7 203.2 254 144.46 1.01
G 184.15 88.9 170.7 203.2 254 144.46 0.92
S 190.5 76.2 180.2 203.2 254 144.46 0.86
6 5/8 25.2 E 168.3 8.38 65/8FH 203.2 127 195.7 203.2 279.4 176.21 1.04
X 203.2 127 195.7 203.2 279.4 176.21 0.82
G 209.55 120.65 195.7 203.2 279.4 176.21 0.87
S 215.9 107.95 195.7 203.2 279.4 176.21 0.86
27.7 E 9.19 203.2 127 195.7 203.2 279.4 176.21 0.96
X 209.55 120.65 195.7 203.2 279.4 176.21 0.89
G 209.55 120.65 195.7 203.2 279.4 176.21 0.81
S 215.9 107.95 195.7 203.2 279.4 176.21 0.8
 
Heavy Weight Drill Pipe
 
Nominal size 
Pipe body
Tool joint 
 Weight Kg/Piece
D (mm) d (mm) Upset dimension  RSC type  DJ (mm) ID (mm) HSC bevel dia DF (mm)
Center dia. Dm (mm) End dia. DTE (mm)
3 1/2 88.9 57.4 101.6 98.4 NC38 127 52.4 116.3 312
3 1/2 88.9 57.2 101.6 98.4 NC38 127 57.2 116.3 282
4 101.6 65.1 114.3 106.4 NC40 133.4 65.1 127.4 370
4 1/2 114.3 69.9 127 119.1 NC46 158.8 69.9 145.3 558
5 127 76.2 139.7 130.2 NC50 168.3 76.2 154 672
5 1/2 139.7 92.1 152.4 144.5 5 1/2FH 184.2 92.1 170.7 776
6 5/8 168.3 114.3 184.2 176.2 6 5/8FH 203.2 144.3 195.7 964
 
 
Drill Collar
 
Nominal size
D 
d
 Lmm  DF(mm) Bending Strength ratio
mm 
In
mm
in
NC31-41(2-7/8IF) 104.8 2004-1-8 50.8 2 9150 100.4 2.43:1
NC35-47 120.7 2004-3-4 50.8 2 9150 114.7 2.58:1
NC38-50(3-1/2IF) 127 5 57.2 2002-1-4 9150 121 2.38:1
NC44-60 152.4 6 57.2 2002-1-4 9150/9450 144.5 2.49:1
NC44-60 152.4 6 71.4 2-13/16 9150/9450 144.5 2.84:1
NC44-62 158.8 2006-1-4 57.2 2002-1-4 9150/9450 149.2 2.91:1
NC46-62(4IF) 158.8 2006-1-4 71.4 2-13/16 9150/9450 150 2.63:1
NC46-65(4IF) 165.1 2006-1-2 57.2 2002-1-4 9150/9450 154.8 2.76:1
NC46-65(4IF) 165.1 2006-1-2 71.4 2-13/16 9150/9450 154.8 3.05:1
NC46-67(4IF) 171.4 2006-3-4 57.2 2002-1-4 9150/9450 159.5 3.18:1
NC50-67(4-1/2IF) 171.4 2006-3-4 71.4 2-13/16 9150/9450 159.5 2.37:1
NC50-70(4-1/2IF) 177.8 7 57.2 2002-1-4 9150/9450 164.7 2.54:1
NC50-70(4-1/2IF) 177.8 7 71.4 2-13/16 9150/9450 164.7 2.73:1
NC50-72(4-1/2IF) 184.2 2007-1-4 71.4 2-13/16 9150/9450 169.5 3.12:1
NC56-77 196.8 2007-3-4 71.4 2-13/16 9150/9450 185.3 2.70:1
NC56-80 203.2 8 71.4 2-13/16 9150/9450 190.1 3.02:1
6-5/8REG 209.6 2008-1-4 71.4 2-13/16 9150/9450 195.7 2.93:1
NC61-90 228.6 9 71.4 2-13/16 9150/9450 212.7 3.17:1
7-5/8REG 241.3 2009-1-2 76.2 3 9150/9450 223.8 2.81:1
NC70-97 247.6 2009-3-4 76.2 3 9150/9450 232.6 2.57:1
NC70-100 254 10 76.2 3 9150/9450 237.3 2.81:1
 
 
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