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Beijing Ocean Renda Petroleum Equipment Co., Ltd.
Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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Low Carbon Stainless Steel Drilling String Non Magnetic Drill Collar For Oilfield

Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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Low Carbon Stainless Steel Drilling String Non Magnetic Drill Collar For Oilfield

Brand Name : Renda
Certification : API
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Western Union
Supply Ability : Based on Detailed Order
Delivery Time : 10-15 working days
Packaging Details : Standard wooden export box
Material : Stainless Steel
Condition : New
Application : OIlfield
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Non-magnetic Drill Collar for oilfield using , Drilling String equipment


Description:


According to API Spec.7 and SY/T5144, the non-magnetic drill collars are made of low carbon stainless steel.

All threads are cold rolled, and they are machined with CNC Lathes –Double –shouldered, including some special threads.

The mechanical properties and corrosion resistance completely meet API standard, and the collars hve the characteristics of strong intensity and toughness.


Specifications:


Connections

OD

mm

ID

mm

Length

mm

NC23-31

79.4

31.8

9150


NC26-35

88.9

38.1

9150


NC31-41

104.8

50.8

9150 or 9450


NC35-47

120.7

50.8

915 or 9450


NC38-50

127.0

57.2

9150 or 9450


NC44-60

152.4

57.2

9150 or 9450


NC44-60

152.4

71.4

9150 or 9450


NC44-62

158.8

57.2

9150 or 9450


NC46-62

158.8

71.4

9150 or 9450


NC46-65

165.1

57.2

9150 or 9450


NC46-65

165.1

71.4

9150 or 9450


NC46-67

171.4

57.2

9150 or 9450


NC50-67

171.4

71.4

9150 or 9450


NC50-70

177.8

57.2

9150 or 9450


NC50-70

177.8

71.4

9150 or 9450


NC50-72

184.2

71.4

9150 or 9450


NC56-77

196.8

71.4

9150 or 9450


NC56-80

203.2

71.4

9150 or 9450


6 5/8REG

209.6

71.4

9150 or 9450


NC61-90

228.6

71.4

9150 or 9450


7 5/8REG

241.3

76.2

9150 or 9450


NC70-97

247.6

76.2

9150 or 9450


NC70-100

254.0

76.2

9150 or 9450


8 5/8REG

279.4

76.2

9150 or 9450




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