Non-magnetic Drill Collar

Non-magnetic Drill Collar
Model:Φ127
Brand:WEIGAO
Origin:Made In China
Category:Metallurgy , Mining & Energy / Metallurgy & Mining / Metal Mineral
Label:non-magnetic drill , drill collar , drill collar factory
Price: US $10000 / pc
Min. Order:1 pc
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Product Description

It is made from high-class low carbon stainless steel, and completely meets the requirement of API Spec 7-1 and SY/T5144 Standard. It has good low magnetic permeability, high mechanical property and perfect enduring intergranular corrosion cracking performance. It is mainly used for the inspection in the process of petroleum drilling, and the structure is the same with the ordinary drill collar.

 

Magnetic permeability(MPS=1×105/4∏A/m)

1. Average: Ur<1.010

2. Magnetic Field Gradient: ΔB≤0.05μT

 

Specification:

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

 

 

Mechanical properties:

OD

Yield Strength σ0.2

MPa

Tensile Strength

σb

MPa

Elongation

δ4

%

mm

in

79.4-171.4

3 1/8-6 3/4

≥758

≥827

≥18

177.8-279.4

7-11

≥689

≥758

≥20

Non-magnetic Drill Collar 1Non-magnetic Drill Collar 2

Member Information

Shanxi Weigao Petroleum Drilling Tools Co.,Ltd
Country/Region:Shan Xi - China
Business Nature:Manufacturer
Phone:2598640
Contact:Tiffany (Sales Representative)
Last Online:07 Nov, 2013