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Drill pipe & Drill collar

Tubes China a professional company focuses on providing drilling products in China. 
Product range:  
Drill Pipe: 2 3/8" to 6 5/8". 
Heavy Drill Pipe: 3 1/2" to 6 5/8" 
Drill Collar: 4 1/8” to 10” 
(Detailed specification as below) 
All the products comply with Standard: API 5D 0079; API Spec 7 0744 
Furthermore, our plant has cooperated with Tuboscope Co., Ltd from last year and now can supply DPC and TK34 internal coating by ourselves. Tuboscope petroleum tubing inspection center settles in our plant and runs from Feb. 2008. More details please check our production base---DP-Master.

● Standard:  API SPEC 5D   API SPEC 7

● Usage:  For well  drilling

 

●Size tolerance  allowed tolerance for OD、WT and Weight

Item

Tolerances

Pipe Body

Outside Diameter

D ≤ 101.6mm ± 0.79mm

D ≥ 114.3mm

 

Wall Thickness

－ 12.5%

Weight

Single Lengths

+6.5%, －3.5%

Car loads Lots -1.75%

 ●Size of Drill Pipe

1 2 3 4 5 6 7 8 9 10 11 12 13 14
Designation Pipe Body Tool Joint
Nominal Size Nominal Weight Grade Upset Type OD Ddp(mm) Wall Thickness D(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) Torsional Ration,Pin to Drill pipe body
2 3/8 6.65 E

X

G

S

EU 60.32 7.71 NC26 (2 3/8 IF) 85.7 45.45 82.95 177.8 203.2 65.09 1.1
85.7 45.45 82.95 177.8 203.2 65.09 0.87
85.7 45.45 82.95 177.8 203.2 65.09 0.79
2 7/8 10.4 E

X

G

S

EU 73.02 9.19 NC31 (2 7/8 IF) 104.8 53.98 100.41 177.8 228.6 80.96 1.03
104.8 50.8 100.41 177.8 228.6 80.96 0.9
104.8 50.8 100.41 177.8 228.6 80.96 0.82
111.1 41.28 100.41 177.8 228.6 80.96 0.82
3 1/2 13.3 E

X

G

S

EU 88.9 9.35 NC38 (3 1/2 IF) 120.7 68.26 116.28 203.2 266.7 98.43 0.98
127 65.09 116.28 203.2 266.7 98.43 0.87
127 61.91 116.28 203.2 266.7 98.43 0.86
127 53.98 116.28 203.2 266.7 98.43 0.8
15.5 E

X

G

11.4 127 65.09 116.28 203.2 266.7 98.43 0.97
127 61.91 116.28 203.2 266.7 98.43 0.83
127 53.98 116.28 203.2 266.7 98.43 0.9
S NC40 (4 FH) 139.7 57.15 127.4 177.8 254 98.43 0.87
4 14 E

X

G

S

 IU 101.6 8.38 133.4 71.44 127.4 177.8 254 106.36 1.01
133.4 68.26 127.4 177.8 254 106.36 0.86
139.7 61.91 127.4 177.8 254 106.36 0.93
139.7 50.8 127.4 177.8 254 106.36 0.87
E

X

G

S

 EU NC46 (4 IH) 152.4 82.55 145.26 177.8 254 114.3 1.43
152.4 82.55 145.26 177.8 254 114.3 1.13
152.4 82.55 145.26 177.8 254 114.3 1.02
152.4 76.2 145.26 177.8 254 114.3 0.94
4 1/2 16.6 E

X

G

S

 IEU 114.3 8.56 158.8 82.55 145.26 177.8 254 119.06 1.09
158.8 72.6 145.26 177.8 254 119.06 1.01
158.8 72.6 145.26 177.8 254 119.06 0.91
158.8 69.85 145.26 177.8 254 119.06 0.81
20 E

X

G

S

 10.92 158.75 76.2 145.3 177.8 254 119.07 1.07
158.75 69.85 145.3 177.8 254 119.07 0.96
158.75 63.5 145.3 177.8 254 119.07 0.96
158.75 57.15 145.3 177.8 254 119.07 0.81
16.6 E

X

G

S

 EU 9.19 NC50 (4 1/2 IF) 168.28 95.25 154 177.8 254 127 1.23
168.28 95.25 154 177.8 254 127 0.97
168.28 95.25 154 177.8 254 127 0.88
168.28 88.9 154 177.8 254 127 0.81
20 E

X

G

S

 12.7 168.28 92.08 154 177.8 254 127 1.02
168.28 88.9 154 177.8 254 127 0.96
168.28 88.9 154 177.8 254 127 0.86
168.28 76.2 154 177.8 254 127 0.87
5 19.5 E

X

G

S

 IEU 127 9.19 168.28 95.25 154 177.8 254 130.18 0.92
168.28 88.9 154 177.8 254 130.18 0.86
168.28 82.55 154 177.8 254 130.18 0.89
168.28 69.85 154 177.8 254 130.18 0.86
25.6 E

X

G

S

12.7 168.28 88.9 154 177.8 254 130.18 0.86
168.28 76.2 154 177.8 254 130.18 0.86
168.28 69.85 154 177.8 254 130.18 0.87
19.5 E

X

G

S

 9.19 5 1/2 FH 177.8 95.25 170.7 203.2 254 130.18 1.53
177.8 95.25 170.7 203.2 254 130.18 1.21
177.8 95.25 170.7 203.2 254 130.18 1.09
184.15 88.9 170.7 203.2 254 130.18 0.98
25.6 E

X

G

S

 12.7 177.8 88.9 170.7 203.2 254 130.18 1.21
177.8 88.9 170.7 203.2 254 130.18 0.95
184.15 88.9 170.7 203.2 254 130.18 0.99
184.15 82.55 170.7 203.2 254 130.18 0.83
5 1/2 21.9 E

X

G

S

 139.7 9.17 177.8 101.6 170.7 203.2 254 144.46 1.11
177.8 95.25 170.7 203.2 254 144.46 0.98
184.15 88.9 170.7 203.2 254 144.46 1.02
190.5 76.2 180.2 203.2 254 144.46 0.96
24.7 E

X

G

S

 10.54 177.8 101.6 170.7 203.2 254 144.46 0.99
184.15 88.9 170.7 203.2 254 144.46 1.01
184.15 88.9 170.7 203.2 254 144.46 0.92
190.5 76.2 180.2 203.2 254 144.46 0.86
6  5/8 25.2 E IEU 168.3 8.38 6  5/8

FH

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 0.80

Note: EU-External Upset; IU-Internal Upset; IEU-Internal & External Upset

●Heavy Wight Drill Pipe List

 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

52.4

116.3

98.4

NC38

(3 1/2IF)

127

55.6

116.3

312

3 1/2

88.9

57.2

116.3

98.4

NC38

(3 1/2IF)

127

58.7

116.3

282

4

101.6

65.1

114.3

106.4

NC40

(4FH)

133.4

68.3

127.4

370

4 1/2

114.3

69.9

127

119.1

NC46

(4IF)

158.8

73

145.3

558

5

127

76.2

139.7

130.2

NC50

(4 1/2IF)

168.3

77.8

170.7

672

5 1/2

139.7

92.1

152.4

744.5

5 1/2FH

184.2

88.9

170.7

776

6 5/8

168.3

114.3

184.2

171.5

6 5/8FH

203.2

117.5

195.7

964

●Drill collar

OD ID Drill collar thread type Length (mm)
In mm In mm
4-1/8 104.8 2 50.8 NC31-41(2-7/8IF) 9150
4-3/4 120.7 2 50.8 NC35-47 9150
5 127.0 2-1/4 57.2 NC38-50(3-1/2IF) 9150
6 152.4 2-1/4 57.2 NC44-60 9150 / 9450
6 152.4 2-13/16 71.4 NC44-60 9150 / 9450
6-1/4 158.8 2-1/4 57.2 NC44-62 9150 / 9450
6-1/4 158.8 2-13/16 71.4 NC46-62(4IF) 9150 / 9450
6-1/2 165.1 2-1/4 57.2 NC46-65(4IF) 9150 / 9450
6/1-2 165.1 2-13/16 71.4 NC46-65(4IF) 9150 / 9450
6-3/4 171.4 2-1/4 57.2 NC46-67(4IF) 9150 / 9450
6-3/4 171.4 2-13/16 71.4 NC50-67(4-1/2IF) 9150 / 9450
7 177.8 2-1/4 57.2 NC50-70(4-1/2IF) 9150 / 9450
7 177.8 2-13/16 71.4 NC50-70(4-1/2IF) 9150 / 9450
7-1/4 184.2 2-13/16 71.4 NC50-72(4-1/2IF) 9150 / 9450
7-3/4 196.8 2-13/16 71.4 NC56-77 9150 / 9450
8 203.2 2-13/16 71.4 NC56-80 9150 / 9450
8-1/4 209.6 2-13/16 71.4 6-5/8REG 9150 / 9450
9 228.6 2-13/16 71.4 NC61-90 9150 / 9450
9-1/2 241.3 3 76.2 7-5/8REG 9150 / 9450
9-3/4 247.6 3 76.2 NC70-97 9150 / 9450
10 254.0 3 76.2 NC70-100 9150 / 9450

 

 

 



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