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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: GM, 4145H
  • Model Number: API, 31/8"-11"
  • Type: Drill Collar
  • Machine Type: Drilling Tool
  • Certification: API
  • Material: Carbon Steel
  • Processing Type: Forging
  • Use: Well Drilling
  • Grade: 4145H

Packaging & Delivery

Packaging Details: bundle or steel package
Delivery Detail: within 30 days
 
Product Description

 

 

API 7-1 drill collar
Product description:
1.AISI4145H or 4145HM high quality alloy steel is put to use for the material of drill collar. 
2.We adopt advanced technic for full length heat treatment. Chemical composition and microelement are well controlled.
3.The products are characterized by high traceability and stabe mechanical properties.

 

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

Packaging & Shipping

 As clients needed.

 

Our Services
1.High quality products.
 
2.Fast delivery.
 
3.OEM services.
 
4.Perfect after-sale services.

 

Company Information

 Goldenman Petroleum Equipment Co.,Limited had explored the international market and enlarged international cooperation 10 years .Due to the competitive price ,good quality and excellent service ,our products are sold to America,Canada,Brazil,Columbia, Venezuela,India,Iran,UAE,Russia ,Kazakhastan,Italy,Hungary ,Australia,Syria,Egypt ,etc .and get good reputation from our oversea clients.

FAQ

1.How to get free samples?

Send your address,your telephone number,post code,and express account number to our mail box,and told us which samples you need and samples specification.

2.Can you produce products with my own brand?

Yes,we can offer OEM services.

3.Do you have any international certificate?

Yes,we have API,  ISO and etc.

4.How long does my order take to be delivered?

It usually takes 5 to 30 days,which generally depends on the quantity of your order and our storage.

 

Transaction History of the Supplier

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Transaction Overview

Transactions

Transaction Details

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Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 4,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.