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Sell Spiral Drill Collar

Posted at: Offers to Sell and Export | Posted on: Wed 06 Jan, 2010 3:50 am | Product Category: Drill collars [53]
 
spiral drill collar
Products Photos CatalogSpiral Drill Collar Photos Catalog



Design & working procedure Conform to the requirment of API Spec 7



Non-API standard type of drill

collars are also avalible as per client'request

Cold-rolled thread roots

Thread connections are performed with stress relief grooves

phosphated.threads applied

Drill Collar Number Outside Diameter Inside Diameter Length

mm Bevel Diameter Rebend g Strength ratio

mm in mm in

Nc23-31 79.4 3 1/8 31.8 1 1/2 9150 76.2 2.57 :1

Nc26-35(2 3/8 if) 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42 :1

Nc31-41(2 7-8 if) 104.8 4 1/8 50.8 2 9150 100.4 2.43 :1

Nc35-47 120.6 4 3/4 50.8 2 9150 114.7 2.58 :1

Nc38-50(3 1/2 if) 127.0 5 57.2 2 1/4 9150 121.0 2.38 :1

NC44-60 152.4 6 57.2 2 1/4 9150&9450 144.5 2.49 :1

NC44-60 152.4 6 71.4 2 13/16 9150&9450 144.5 2.84 :1

NC44-62 158.8 6 1/4 57.2 2 1/4 9150&9450 149.2 2.91 :1

NC46-62(4IF) 158.8 6 1/4 71.4 2 13/16 9150&9450 150.0 2.63 :1

NC46-65(4IF) 165.1 6 1/2 57.2 2 1/4 9150&9450 154.8 2.76 :1

NC46-65(4IF) 165.1 6 1/2 71.4 2 13/16 9150&9450 154.8 3.05 :1

NC46-67(4IF) 171.4 6 3/4 57.2 2 1/4 9150&9450 159.5 3.18 :1

NC50-67(4 1/2 IF) 171.4 6 3/4 71.4 2 13/16 9150&9450 159.5 2.37 :1

NC50-70(4 1/2 IF) 177.8 7 57.2 2 1/4 9150&9450 164.7 2.54 :1

NC50-70(4 1/2 IF) 177.8 7 71.4 2 13/16 9150&9450 164.7 2.73 :1

NC50-72(4 1/2 IF) 184.2 7 1/4 71.4 2 13/16 9150&9450 169.5 3.12 :1

NC56-77 196.8 7 3/4 71.4 2 13/16 9150&9450 185.3 2.70 :1

NC56-80 203.2 8 71.4 2 13/16 9150&9450 190.1 3.02 :1

6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150&9450 195.7 2.93 :1

NC61-90 228.6 9 71.4 2 13/16 9150&9450 212.6 3.17 :1

7 5/8 REG 241.3 9 1/2 76.2 3 9150&9450 223.8 2.81 :1

NC70-97 247.6 9 3/4 76.2 3 9150&9450 232.8 2.57 :1

NC70-100 254 10 76.2 3 9150&9450 237.3 2.81 :1

8 5/8 REG 279.4 11 76.2 3 9150&9450 266.7 2.84 :1



Company Contact:

paotian photo
Contact Name: Mr. Jacky Kon
Company Name: LinSteel Group Co., Ltd.
Email: Email
MSN: Email
Tel: +86-352-8713666
Fax: +86-352-8713667
Street Address: Linsteel New District,
Linfen City, Shansxi Province, 286000, China
Website: http://www.steel-forge.com
Member name: paotian
Country: China-CN China
Member Since: 11 October 2009
Total Leads: 1784 paotian Import Export Business Leads
Business focus: Galvanized Steel Coil, Pre-painted Steel Coil, Cold Rolled Steel Coil, Gi Coil, Hot Dipped Galvanized Steel Coil, Color Coated Steel Coil
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Verify: Safe Import Export Tips
Product Category: Drill collars [53]
 
 
 

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