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6’’ Drill Collar

Delivery term:The date of payment from buyers deliver within days
  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2020-05-14 04:14

  • Browse the number:

    107

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Company Profile
Shanxi Huanjie Petroleum Drilling Tools Co., Ltd.
By certification [File Integrity]
Contact:

huanjie(Mr.)  

Email:

Telephone:

Phone:

Area:

Beijing

Address:

No.114, Chaoyang West Street, Shouyang County, Jinzhong City, Shanxi Province, China

Website: http://www.petrodrillingequipment.com/ http://huanjie.wrightsbouncycastlehire.com/
Product details

Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the "as rolled" surface finish condition.

Alternative surface finishes are available.

Standard Size for Drill Collars

Drill collar number and connection

Outside Diameter

Inside Diameter

Length

mm

Bevel Diameter

Ref. Bending strength
ratio

mm

in

mm

in

NC23 – 31

79.4

3 1/8

31.8

1- 1/4

9150

76.2

2.57:1

NC35-7

120.7

4 3/4

50.8

2

9150

114.7

2.58:1

NC44-60

152.4

6

57.2

2- 1/4

9150 or 9450

144.5

2.49:1

NC44-60

152.4

6

71.4

2- 13/16

9150 or 9450

144.5

2.84:1

NC44-62

158.8

6 1/4

57.2

2- 1/4

9150 or 9450

149.2

2.91:1

NC46-65(4 IF)

165.1

6 1/2

57.2

2- 1/4

9150 or 9450

154.8

2.76:1

NC56-80

203.2

8

71.4

2- 13/16

9150 or 9450

190.1

3.02:1

6 5/8REG

209.6

8 1/4

71.4

2- 13/16

9150 or 9450

195.7

2.93:1

NC70-97

247.6

9 3/4

76.2

3

9150 or 9450

232.6

2.57:1

8 5/8REG

279.4

11

76.2

3

9150 or 9450

266.7

2.84:1


http://www.petrodrillingequipment.com/

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