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Low Carbon Stainless Steel Drilling String Non Magnetic Drill Collar For Oilfield
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Low Carbon Stainless Steel Drilling String Non Magnetic Drill Collar For 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

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Beijing Ocean Renda Petroleum Equipment Co., Ltd.
Supply and Marketing Cooperative Foreign Trade Building, Beijing, China (Mainland)
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