API7-1 drill collar

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1 Piece/Pieces (Min. Order)
Supply Ability:
9000 Piece/Pieces per Month
Port:
main ports
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Overview
Quick Details
Place of Origin:
Shandong, China (Mainland)
Brand Name:
sinotai
Model Number:
Spiral
Type:
Drill Collar
Machine Type:
Drilling Tool
Certification:
API
Material:
ANSI4137 ,4145H,4145HM alloy steel
Processing Type:
Casting
Use:
Well Drilling
spiral:
non-magnetic
Packaging & Delivery
Packaging Details
bundling
Delivery Time
according to the requirement

Specifications

drill collar:
1.standard:API7-1
2.OD:3 1/8"-11"
3.Length:5"-31"

drill collar

 

1.Meeting to API7-1

2.OD:3 1/8",3 1/2",4 1/8",4 3/4",5",6",,6 1/4',6 1/2",6 3/4",7",7 1/4",7 3/4",8",8 1/4",9",10",11"

3.Length:5"-31"

4.Type: slick drill collar,spiral drill collar,spiral drill collar with elevator groove and slip groove and non-magnetic drill collar

5.Material:ANSI4137 ,4145H,4145HM alloy steel.

 

The Main Technical Specification of Drill Collar

O.D.

I.D.

Connections

inch

mm

inch

mm

4-1/8

104.78

2

2-1/4

50.80

57.15

NC31,NC35

NC35

4-3/4

120.65

2

2-1/4

50.80

57.15

NC35,

NC35,NC38(3 1/2IF)

6-1/4

158.75

2-1/4

2-13/16

57.15

71.44

NC46(4IF)

NC46(4IF)

6-1/2

165.1

2-1/4

2-13/16

57.15

71.44

NC46(4IF)

NC46(4IF)

7

177.8

2-1/4

2-13/16

57.15

71.44

NC50(4 1/2IF)

NC50(4 1/2IF)

8

203.2

2-13/16

3

71.44

76.20

6 5/8REG

6 5/8REG

9

228.6

2-13/16

3

71.44

76.20

7 5/8REG

7 5/8REG

9-1/2

241.3

3

76.20

7 5/8REG

10

254

3

76.20

NC70

11

275.4

3

76.20

NC77

 

   

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