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                        Core Barrels

                        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
                        • 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"
                        Core Barrels

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