| Customization: | Available |
|---|---|
| Customized: | Customized |
| Surface Treatment: | Polish |
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Non-mag drill collars function as housing for the MWD tools, while at the same time provide the weight for drillstring. non-mag drill collars are suitable for all types of drilling including straight and directional applications.
We can provide three type of non magnetic drill collar according to the customers' order:
include Slick, Spiral, and Flex Non-Mag Drill Collar.
Non-mag drill collars function as housing for the MWD tools, while at the same time provide the weight for drillstring. Non-mag drill collars function as housing for the MWD tools, while at the same time provide the weight for drillstring. non-mag drill collars are suitable for all types of drilling including straight and directional applications.
Slick Non-Mag Drill Collar provide the required weight on bit, and will not interfere with the directional drilling ability.
Spiral Non-Mag Drill Collar is designed to allow greater flow area for drilling fluids, while providing the benefits of non-mag steel for complex drilling programs.
Flex Non-Mag Drill Collar is thinner and more flexible than standard drill collar. Their ability to make short radius turns, bend for high build angles, and pass through severe doglegs makes them ideal for use in directional and horizontal applications. Manufactured with non-mag steel, this drill collar is well suited for housing MWD equipment non-mag drill collars are suitable for all types of drilling including straight and directional applications.
| Sel. | O D | ID | m m Length |
Dr mm |
Bending strength ration |
||
| mm | in | mm | in | ||||
| NC23-31 | 79.4 | 31/8 | 31.8 | 11/4 | 9150 | 76.2 | 2.57:1 |
| NC26-35 | 88.9 | 31/2 | 38.1 | 11/2 | 9150 | 82.9 | 2.42:1 |
| NC31-41 | 104.8 | 41/8 | 50.8 | 2 | 9150 or 9450 | 100.4 | 2.43:1 |
| NC35-47 | 120.7 | 43/4 | 50.8 | 2 | 9150 or 9450 | 114.7 | 2.58:1 |
| NC38-50 | 127.0 | 5 | 57.2 | 21/4 | 9150 or 9450 | 121.0 | 2.38:1 |
| NC44-60 | 152.4 | 6 | 57.2 | 21/4 | 9150 or 9450 | 144.5 | 2.49:1 |
| NC44-60 | 152.4 | 6 | 71.4 | 213/16 | 9150 or 9450 | 144.5 | 2.84:1 |
| NC44-62 | 158.8 | 61/4 | 57.2 | 21/4 | 9150 or 9450 | 149.2 | 2.91:1 |
| NC46-62 | 158.8 | 61/4 | 71.4 | 213/16 | 9150 or 9450 | 150.0 | 2.63:1 |
| NC46-65 | 165.1 | 61/2 | 57.2 | 21/4 | 9150 or 9450 | 154.8 | 2.76:1 |
| NC46-65 | 165.1 | 61/2 | 71.4 | 213/16 | 9150 or 9450 | 154.8 | 3.05:1 |
| NC46-47 | 171.4 | 63/4 | 57.2 | 21/4 | 9150 or 9450 | 159.5 | 3.18:1 |
| NC50-67 | 171.4 | 63/4 | 71.4 | 213/16 | 9150 or 9450 | 159.5 | 2.37:1 |
| NC50-70 | 177.8 | 7 | 57.2 | 21/4 | 9150 or 9450 | 164.7 | 2.54:1 |
| NC50-70 | 177.8 | 7 | 71.4 | 213/16 | 9150 or 9450 | 164.7 | 2.73:1 |
| NC50-72 | 184.2 | 71/4 | 71.4 | 213/16 | 9150 or 9450 | 169.5 | 3.12:1 |
| NC56-77 | 196.8 | 73/4 | 71.4 | 213/16 | 9150 or 9450 | 185.3 | 2.70:1 |
| NC56-80 | 203.2 | 8 | 71.4 | 213/16 | 9150 or 9450 | 190.1 | 3.02:1 |
| 65/8REG | 208.6 | 81/4 | 71.4 | 213/16 | 9150 or 9450 | 195.7 | 2.93:1 |
| NC61-90 | 228.6 | 9 | 71.4 | 213/16 | 9150 or 9450 | 212.7 | 3.17:1 |
| 75/8REG | 241.3 | 91/2 | 76.2 | 3 | 9150 or 9450 | 223.8 | 2.81:1 |
| NC70-97 | 247.6 | 93/4 | 76.2 | 3 | 9150 or 9450 | 232.6 | 2.57:1 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150 or 9450 | 237.3 | 2.81:1 |
| 85/8REG | 279.4 | 11 | 76.2 | 3 | 9150 or 9450 | 266.7 | 2.84:1 |
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