N&N - Core Barrels
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
- Triple Tube: BWL-3, NWL-3, HWL-3, PWL-3
- Conventional: BV, NV, NV-2, HV, PV, NWD4
- DCDMA: WM, WG
- 2-3/4” x 3-7/8”, 4' x 5-1/2', 6' x 7-3/4'