API 7 1 AISI4145H Material Drill Collar for Oil & Gas Downhole Drilling
- Category: Mining Machine Parts >>>
- Supplier: Yantai Sunrise Machinery Co. Ltd.
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Product Overview
Description
Product Paramenters
Product name | Drill Collar |
Type | Slick Drill Collar , Spiral Drill Collar , Non-magnetic Drill Collar |
Size | 3 1/8" -14" |
Spiral drill collar material | AISI4145H |
Slip and/or elevator recess | As per request |
Stress relief and bore back | As per request |
Hardbanding | As per request |
Length | 20ft/30ft/31ft |
Standard | API 7-1 |
O.D | I.D | Connection | Length | Bevel Diameter | Bending strength ratio | ||||
mm | inch | mm | inch | Connection | ft | mm | |||
79.4 | 3 1/8 | 31.8 | 1 1/4 | NC23-31 | 20ft/30ft/31ft | 76.2 | 2.57:1 | ||
88.9 | 3 1/2 | 38.1 | 1 1/2 | NC26-35(2 3/8 IF) | 20ft/30ft/31ft | 84.5 | 2.42:1 | ||
104.8 | 4 1/8 | 50.8 | 2 | NC31-41(2 7/8 IF) | 20ft/30ft/31ft | 101.6 | 2.43:1 | ||
120.6 | 4 3/4 | 50.8 | 2 | NC35-47 | 20ft/30ft/31ft | 114.7 | 2.58:1 | ||
127 | 5 | 57.2 | 2 1/4 | NC38-50(3 1/2 IF) | 20ft/30ft/31ft | 121 | 2.38:1 | ||
152.4 | 6 | 57.2 | 2 1/4 | NC44-60 | 20ft/30ft/31ft | 144.5 | 2.49:1 | ||
152.4 | 6 | 71.4 | 2 13/16 | NC44-60 | 20ft/30ft/31ft | 144.5 | 2.84:1 | ||
158.8 | 6 1/4 | 57.2 | 2 1/4 | NC44-62 | 20ft/30ft/31ft | 149.2 | 2.91:1 | ||
158.8 | 6 1/4 | 71.4 | 2 13/16 | NC46-62(4 IF) | 20ft/30ft/31ft | 150 | 2.63:1 | ||
165.1 | 6 1/2 | 57.2 | 2 1/4 | NC46-65(4 IF) | 20ft/30ft/31ft | 154.8 | 2.76:1 | ||
165.1 | 6 1/2 | 71.4 | 2 13/16 | NC46-65(4 IF) | 20ft/30ft/31ft | 154.8 | 3.05:1 | ||
171.4 | 6 3/4 | 57.2 | 2 1/4 | NC46-67(4 IF) | 20ft/30ft/31ft | 159.5 | 3.18:1 | ||
171.4 | 6 3/4 | 71.4 | 2 13/16 | NC50-67(4 1/2 IF) | 20ft/30ft/31ft | 159.5 | 2.37:1 | ||
177.8 | 7 | 57.2 | 2 1/4 | NC50-70(4 1/2 IF) | 20ft/30ft/31ft | 164.7 | 2.54:1 | ||
177.8 | 7 | 71.4 | 2 13/16 | NC50-70(4 1/2 IF) | 20ft/30ft/31ft | 164.7 | 2.73:1 | ||
184.2 | 7 1/4 | 71.4 | 2 13/16 | NC50-72(4 1/2 IF) | 20ft/30ft/31ft | 169.5 | 3.12:1 | ||
196.8 | 7 3/4 | 71.4 | 2 13/16 | NC56-77 | 20ft/30ft/31ft | 185.3 | 2.70:1 | ||
203.2 | 8 | 71.4 | 2 13/16 | NC56-80 | 20ft/30ft/31ft | 190.1 | 3.02:1 | ||
209.6 | 8 1/4 | 71.4 | 2 13/16 | 6 5/8 REG | 20ft/30ft/31ft | 195.7 | 2.93:1 | ||
228.6 | 9 | 71.4 | 2 13/16 | NC61-90 | 20ft/30ft/31ft | 212.7 | 3.17:1 | ||
241.3 | 9 1/2 | 76.2 | 3 | 7 5/8 REG | 20ft/30ft/31ft | 223.8 | 2.81:1 | ||
247.6 | 9 3/4 | 76.2 | 3 | NC70-97 | 20ft/30ft/31ft | 232.6 | 2.57:1 | ||
254 | 10 | 76.2 | 3 | NC70-100 | 20ft/30ft/31ft | 237.3 | 2.81:1 | ||
279.4 | 11 | 76.2 | 3 | 8 5/8 REG | 20ft/30ft/31ft | 266.7 | 2.84:1 | ||
Products Description
Custom
Company Profile
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.
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.
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