BQ NQ HQ PQ Wireline Double Tube Core barrel
Wireline Double Tube Core barrel BQ NQ HQ PQ
BQ NQ HQ PQ Wireline Double Tube Core barrel
NQ3 HQ3 PQ3 Wireline Triple Tube Core barrel
Wireline double tube core barrels are primarily used in deep coring. With an overshot device, they eliminate the need to couple and uncouple the drill rod string each time the core is retrieved.
Roschen Wireline double tube core barrel head assembly features long life span, good compatibility with parts like inner tube and outer tube from other vendors, and availability in all spare parts.
Roschen all core barrel products with ISO certificate & qualified controled.
| Wireline Double Tube Core Barrels | |||
| Size | Hole (mm) | Core (mm) | Head Thread |
| BQ | 59.3 | 36.2 | BQ Rod Box |
| NQ | 75.2 | 47.6 | NQ Rod Box |
| HQ | 95.6 | 63.5 | HQ Rod Box |
| PQ | 122 | 85 | PQ Rod Box |
Notes:
1. Core Bits and remaining shell are not supplied with the core barrel, and shall be ordered sperately.
2. 1.5m and 3.0m length core barrels is standard size.
3. Any other tool joint connection is available by requests.
| Core Barrel Specifications | |
| "Q" series | AQ, BQ, NQ, HQ, PQ/AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT |
| T2 series | T2 46, T2 56, T2 66, T2 76, T2 86, T2 101 |
| T6 series | T6 76, T6 86, T6 101, T6 116, T6 131, T6 146, T6S 101, T6S 116 |
| T series | T36, T46, T56, T66, T76, T86, T101, T116 |
| TT series | TT36, TT46, TT56, TTT66, TT76, TT86, TT101 |
| Z series | Z46, Z56, Z66, Z76, Z86, Z101, Z116, Z131, Z146 |
| B series | B36, B46, B56, B66, B76, B86, B101, B116, B131, B146 |
| WF series | NWF, HWF, PWF, SWF, UWF, ZWF |
| WT series | RWT, EWT, AWT, BWT, NWT, HWT, PWT |
| WM series | EWM, AWM, BWM, NWM, HWM |
| WG series | EWG, AWG, BWG, NWG, HWG |
| Triple Tubes | AMLC, NMLC, NMLC, HMLC, 4C, 6C, 8C, 10C |
| Minerals | S75, S85, S95, S101, S116, S131, S146, S150, S168, S178, S194, S214 |
| Others | LTK48, LTK60, BGM, NGM, ADBG, TBW, TNW, ATW, BTW, NTW, NXD3, AX, NX, HX, NXC, AXT, T6H, 4 9/16, NWD4, 412F, SK6L146, TT46, TB56, TS116, CHD101. |
| Chinese standard | 56mm, 59mm, 75mm, 89mm, 91mm, 108mm, 110mm, 127mm, 131mm, 150mm, 170mm, 219mm, 275mm |
| Russian standard | 59, 76, 93, 112, 132, 152 mm |
| Special sizes can also be made as per request. | |
