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Drill Collar

Goldenman Petroleum Equipment Co., Limited
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Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Shanxi, China
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Payment & Shipping
Payment Methods:
Port of Shipment:
main port
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Shanxi, China

Specifications

Drill collar is manufactured according to APi
We can offer different sizes from 3 1/8" to 11"

  Drill collar 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

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Goldenman Petroleum Equipment Co., Limited
Business Type
Trading Company
Year Established
2006
Factory Size
Below 1,000 square meters
Total Employees
11 - 50 People
Contact Supplier Request Quote Chat Now

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