- Contact Person : Ms. Hu Mandy
- Company Name : Jiangyin City Dari Trade Co., Ltd.
- Tel : 86-0510-86510320
- Fax : 86-0510-86510320
- Address : Jiangsu,jiangyin city,NO.13-1,Shengyang Road ,Qingyang Town,Jiangyin City,Jiangsu Province
- Country/Region : China
- Zip : 214401
High Quality API NS-1 Non-Magnetic Drill Collar
Related Product Searches:High Quality API NS-1 Non-Magnetic Drill Collar,High Quality api drill collar,api drill collar various
1.High quality,Unique selection,Strict quality control system
2.API SPEC7 & NS-1 standard
3.Special intermediate frequency heat treatment technique
4.UT&MT Inspection
5.Can produce normal Drillcollar,Spiral Drillcollar and Non-Magnetic Drillcollar
6.The first place domestic sale,the top three place global sale
Product Sketch:
Norminal size | Outside diameter | Inside diameter | Length mm | Bevel Diameter | referred bending strength ratio | ||
mm | in | mm | in | ||||
NC31-41(2-7/8 IF) | 104.8 | 4-1/8 | 50.8 | 2 | 9150 | 100.4 | 2.43:1 |
NC35-47 | 120.7 | 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 | 212.7 | 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 | 232.6 | 2.57:1 |
NC70-100 | 254 | 10 | 76.2 | 3 | 9150/9450 | 237.3 | 2.81:1 |
Product Process:
About our factury
DP-Master's Equipment
DP-Master's Quality
DP-Master's Advantages
Strategic partnership with Tuboscope
1)Quality Control-Tuboscope Inspection on all New Drill Pipes with Tuboscope Inspection certificates
Certificate of Inspection ftom Tuboscope
2)Highest Value
3)Strong Substance
4)Gerter Worth
5)Premium Quality
6)High reliability
Tuboscope inspection with the most advanced equipment:Truscope ® AS Inspection System
DP-Master's Qualification
