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API Drill collars

API Drill collars

Negotiable /Piece

Min.Order:1 Piece

Supply Ability:
1000 Piece / Pieces per Month
Port:
main port
Payment Terms:
T/T

Quick Details View All >

Place of Origin:
Shandong, China

Goldenman Petroleum Equipment Co., Limited

Business Type: Trading Company
Shandong China
Main Products: Dill Pipe ,Drill Rig and Drill Rig Accessories Drill Collar ,Bop ,Steel Plate ,Casing Pipe ,Handing Tools ,Kill Manifold ,Swivel Joint ,Wellhead Equipment
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Product Details

Specifications

API Drill collars are made according to API standards.
We can supply sizes from 3 1/8" to 11"
We will make our prompt delevery

API Drill collars specifications

 

 

 

  

 

m

  

Design

O

D

ID

Lengh

Chamfer Diameter

 

 

in

mm

+1.6-0.0mm

+152.4mm

+0.4mm

Reference ratio for curvature strength

NC23-31

3 1/8

79.4

31.8

9.15

76.2

2.57:1

NC26-35

3 1/2

88.9

38.1

9.15

82.9

2.42:1

NC31-41

4 1/8

104.8

50.8

9.159.45

100.4

2.43:1

NC35-47

4 3/4

120.7

50.8

9.159.45

114.7

2.58:1

NC38-50

5

127.0

57.2

9.159.45

121.0

2.38:1

NC44-60

6

152.4

57.2

9.159.45

144.5

2.49:1

NC44-60

6

152.4

71.4

9.159.45

144.5

2.84:1

NC44-62

6 1/4

158.8

57.2

9.159.45

149.2

2.91:1

NC44-62

6 1/4

158.5

71.4

9.159.45

150.0

2.63:1

NC46-65

6 1/2

165.1

57.2

9.159.45

154.8

2.76:1

NC46-65

6 1/2

165.1

71.4

9.159.45

154.8

3.05:1

NC46-67

6 3/4

171.5

57.2

9.159.45

159.5

3.18:1

NC50-70

7

177.8

57.2

9.159.45

164.7

2.54:1

NC50-70

7

177.8

71.4

9.159.45

164.7

2.73:1

NC50-72

7 1/4

184.2

71.4

9.159.45

169.5

3.12:1

NC56-77

7 3/4

196.9

71.4

9.159.45

185.3

2.70:1

NC56-80

8

203.2

71.4

9.159.45

190.1

3.02:1

6 5/8REG

8 1/4

209.6

71.4

9.159.45

195.7

2.93:1

NC61-90

9

228.6

71.4

9.159.45

212.7

3.17:1

7 5/8REG

9 1/2

241.3

76.2

9.159.45

223.8

2.81:1

NC70-97

9 3/4

247.7

76.2

9.159.45

232.6

2.57:1

NC70-100

10

254.0

76.2

9.159.45

237.3

2.81:1

8 5/8REGc

11

279.4

76.2

9.159.45

266.7

2.84:1

Contact Supplier

Ms. Jane Qi manager Chat Now
Telephone
0086-546-8058559
Mobile
0086-18605467122
Fax
0086-546-8058669
Address
7/F,Wanda international Mansions,67 Fuqian street, Shandong
Showroom
https://goldeman.goldsupplier.com/

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Place of Origin:
Shandong, China