N&N Drilling manufactures a wide assortment of Core Barrels for geotechnical and mineral exploration applications. Our Core Barrels are manufactured using the tightest tolerances to ensure safe, efficient operation as well as a high rate of core sample recovery.
In addition to the industry-standard assembly, we offer options to customize most sections of the core barrel.
Core Bits, Reaming Shells, Overshots and other Coring Tools are also available.
Available Core Barrel Types:
- Wireline: AWL, BWL, NWL, NWL-2, HWL, PWL
- Wireline Triple Tube: BWL-3, NWL-3, HWL-3, PWL-3
- Conventional: BV, NV, NV-2, HV, PV, NWD4
- Conventional Triple Tube: NV-3, HV-3, PV-3
- DCDMA: WM, WG
- Large Series DCDMA: 2-3/4″ x 3-7/8″, 4″ x 5-1/2″, 6 x 7-3/4″