Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd
| Place of Origin | China |
| Brand Name | Kangyu |
| Certification | API |
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Product Specification
| Place of Origin | China | Brand Name | Kangyu |
| Certification | API |
Non-magnetic drill collars
According to API Spec.7 and SY/T5144, the non-magnetic drill collars are made of low carbon stainless steel.
All threads are cold rolled, and they are machined with CNC Lathes –Double –shouldered, including some special threads.
The mechanical properties and corrosion resistance completely meet API standard, and the collars hve the characteristics of strong intensity and toughness.
Technical 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 |
More information,please feel free to contact me:
Grace Sun
Mob:+86 18254659971(whatsapp and viber)
Skype:sunping7766986
Wechat:sp1987809554
Company Details
Business Type:
Exporter,TradingCompany
Year Established:
2011
Employee Number:
less than 50
Ecer Certification：
Active Member
Dongying Kangyu Petroleum Engineering Technology Service Co., LTD ,is Located in Dongying city, Shandong Province –the base of China’s second largest oilfield, Shengli Oil Field, Kangyu has become a professional international company integrating oilfield engineering services and oil equipment ex... Dongying Kangyu Petroleum Engineering Technology Service Co., LTD ,is Located in Dongying city, Shandong Province –the base of China’s second largest oilfield, Shengli Oil Field, Kangyu has become a professional international company integrating oilfield engineering services and oil equipment ex...
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