Non-magnetic drill collar is made from chrome manganese, low carbon alloy obtained by combining a proprietary chemical analysis and rotary hammer process. The material is resistant to stress corrosion cracking with high machinery ability.
Slick Non-Mag Drill Collar:
Slick Non-Mag Drill Collar provide the required weight on bit, and will not interfere with the directional ability.
Spiral Non-Mag Drill Collar:
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:
Flex Non-Mag Drill Collar is thinner and more flexible than standard drill collar. Their ability to make short radius turns, bend for high buid angles, and pass through severe doglegs makes them ideal for use in directional and horizontal applications. Manuafactured with non-mag steel, this drill collar is well suited for housing MWD equipment.
1) good quality and competive price
2) certified by API & ISO9001:2008
3) use for well drilling
4) delivery on time
5) Size according to your request
6) drill collar,stick drill collar,non-magnetic drill collar,spiral drill collar covering all size.