Mudanjiang Northmachine Co., Ltd.

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Casing Coupling

Product Details:

Place of Origin Heilongjiang, China

Detailed Product Description


The threaded collar used to connect two joints of casing. The resulting connection must provide adequate mechanical strength to enable the casing string to be run and cemented in place. The casing collar must also provide sufficient hydraulic isolation under the design conditions determined by internal and external pressure conditions and fluid characteristics
Casing collars are preinstalled on one end of the casing joint. When run into the wellbore, the casing joint is run with the collar uppermost to facilitate handling and enable easy connection of the subsequent casing joint.

 

SIZE

OD.

Min.Length

weightpound

round thread

round thread

round thread

short

long

short

long

W

NL

NL

 

 

 

 

INCH

MM

INCH

MM

INCH

MM

INCH

MM

POUND

KG

POUND

KG

4-1/2

114.3

5.000

127.0

6-1/4

158.8

7

177.8

7.98

3.623

9.16

4.154

5

127.0

5.563

141.3

6-1/2

165.1

7-3/4

196.9

10.27

4.662

12.68

5.748

5-1/2

129.7

6.050

153.7

6-3/4

171.5

8

293.2

11.54

5.239

14.15

6.420

7

177.8

7.656

194.5

7-1/4

184.2

9

228.6

18.49

8.394

23.87

10.828

8-5/8

219.1

9.625

244.5

7-3/4

196.9

10

254.0

35.79

16.249

47.77

21.665

9-5/8

244.5

10.625

269.9

7-3/4

196.9

10-1/2

260.4

39.75

18.047

56.11

25.447

10-3/4

273.1

11.750

298.5

8

203.2

 

 

45.81

20.798

 

 

13-3/8

339.7

14.374

365.1

8

203.2

 

 

56.57

25.683

 

 

Casing Coupling Casing Coupling

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Company Info

Mudanjiang Northmachine Co., Ltd.
[China]
[Verified Member]

City: Mudanjiang
Province/State: Heilongjiang
Country/Region : China

Business Type:Manufacturer, Trading Company

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