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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

 

   

     non-magnetic drill collar                              spiral drill collar                           non-magnetic spiral drill collar

Transaction History of the Supplier

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Transaction Overview

Transactions

Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
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China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 700+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $98,000
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