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Non-magnetic Drill Collar
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Product Details
| Place of Origin | Shandong, China | Brand Name | Nera | |
| Model Number | WCZT105-WCZT203 | Type | Drill Collar | |
| Machine Type | Drilling Tool | Certification | API | |
| Material | Other, Stainless Steel, Non-magnetic material, P550, according to your demands | Processing Type | Forging | |
| Use | Well Drilling |
Product Description
Nara Petroleum Mechanical Manufacture Co. Ltd, estabished in 2007 and located in the industrial park of Chinese second largest oil field in Dongying City-Shengli Oil Field, is a high-tech private limited liability company which takes the lead in developing, manufacturing and selling oil machinery.
This product is made of first-class non-magnetic material to monitor whether the borehole goes following the designed path to insure of accurate measurement.
It's manufacture process is: Smelting, Electroslag remelting, Forging by precision forging machine, Solution strengthening, Ultrasonic testing, Mechanical processing, Magnetic permeability testing and Finished product testing.
Technical specifications and parameters (adjust to your demands)
| Specification | Connection | O.D (mm)(±3.0) | I.D (mm) (±1.6) | length (mm) ( ±152) | Bevel Diameter (mm)( ±0.4) |
| WCZT-105 | NC31-41(2-7/8IF) | 104.78 | 50.8 | 9144 | 100.40 |
| WCZT-121 | NC35-47 | 120.65 | 50.8 | 9144 | 114.70 |
| WCZT-127 | NC38-50(3-1/2IF) | 127.00 | 57.15 | 9144 | 121.05 |
| WCZT-152 | NC44-60 | 152.40 | 57.15 | 9144 or 9450 | 144.46 |
| WCZT-152 | NC44-60 | 152.40 | 71.44 | 9144 or 9450 | 144.46 |
| WCZT-159 | NC44-62 | 158.75 | 57.15 | 9144 or 9450 | 149.23 |
| WCZT-159 | NC46-62(4IF) | 158.75 | 71.44 | 9144 or 9450 | 150.02 |
| WCZT-165 | NC46-65(4IF) | 165.10 | 57.15 | 9144 or 9450 | 154.78 |
| WCZT-165 | NC46-65(4IF) | 165.10 | 71.44 | 9144 or 9450 | 154.78 |
| WCZT-172 | NC46-67(4IF) | 171.45 | 57.15 | 9144 or 9450 | 159.54 |
| WCZT-178 | NC50-70(4-1/2IF) | 177.80 | 57.15 | 9144 or 9450 | 164.70 |
| WCZT-178 | NC50-70(4-1/2IF) | 177.80 | 71.44 | 9144 or 9450 | 164.70 |
| WCZT-185 | NC50-72(4-1/2IF) | 184.15 | 71.44 | 9144 or 9450 | 169.46 |
| WCZT-197 | NC56-77 | 196.85 | 71.44 | 9144 or 9450 | 185.34 |
| WCZT-203 | NC56-80 | 203.20 | 71.44 | 9144 or 9450 | 190.10 |
Non-magnetic Drill Collar Mechanical Capability
O.D Range mm (inch) | Yield Strength Rt MPa (psi) | Tensile Strength Rm MPa (psi) | Extensibility Rate % | HB | AKVJ |
79.4-171.4 (3-1/8-6-3/4) | ≥758 (≥110) | ≥827 (≥120) | ≥18 | 285 | ≥75 |
177.8-279.4 (7-11) | ≥689 (≥100) | ≥758 (≥110) | ≥20 | 360 | ≥75 |
We have our own patented products and has passed the attestation of ISO9000:2000 quality system and API, obtained the certificate of qualified supplier for PetroChina and Sinopec and Class B qualification of PetroChina well control, and had the honor to win Prizes of Technique Innovation and S&T of Dongying City in 2009.
Our main business includes design and manufacture of downhole drilling tools and wired MWD equipment, manufacture and sales of oil pipe and screw drilling tools, and main products include IBOP, casing protector,casing milling tool, adjustable tapered stabilizer, oil pressure tapered stabilizer, nonmagnetic drill collar and so on, totally over 30 series and 10 categories.
We will package and ship products according to your requirements.
Service contributes to quality and quality contributes to confidence, which is our enterpress slogan and mission. We have developed a complete, transplantable enterprise management and operation mode of design, production and after-sale service, with the spirit of "unity, progressive, innovative and efficient," and design tools of three-dimensional solid, finite element analysis, motion simulation and so on.
We will try our best to provide you best service! Looking forward to cooperate with you!
Sharon
Nera Petroleum Mechanical Manufacture Co., Ltd
Add:No. 2 Juzhou Road, Dongying Developing Zone, Dongying, Shandong, China (Mainland)
Mobile NO.:15066013625
Tel:86-0546-8175080
Fax:86-0546-8175070
Skype: sharonzhang28
Web:
Contact Us
- Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
- Contact nameKevin Qin Chat Now
- Phone86-546-8175070
- AddressNo. 2, Juzhou Road, Development Zone
Product Categories
| Accessories | BOP | downhole mud motor | downhole tool |
| drill collar | Drill Pipe | Drill Pipe Float Valve | Fishing Tools |
| MWD/LWD and accessories | New Products | stabilizer | Subs |
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