ROSCHEN GROUP
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Steel Casing Pipe Diamond Drill Tools NQ HQ PQ Wireline Drill Outer Tube
Description:
Specialisted in producing varies kinds of diamond drill tools in different international standard size for soft, medieum to hard rock formations.
Including diamond core barrel assembly, impregnated diamond core bit, surface-set diamond bit, reaming shells, impregnated diamond casing bit, casing shoe bit, PDC bit, PCD bit, diamond reaming shell, core lifter, core lifter case, diamond sub-adapters, hoist plugs, tap, drill rods, over shot, etc.
Specifications:
BW HW NW PW Pipe Casing
NQ HQ PQ Wireline drill Outer tube
1. alloyed material split outer tube
2. thru-wall heat treated tube body
3. ISO control process
4. Cold rolled
Size Available:
"Q" Series: BQ, NQ, HQ, and PQ.
"WJ" Design: AWJ, BWJ, NWJ, KWJ, HWJ
"W" Design: RW, EW, AW, BW, NW, HW
Metric Series: 33, 42, 50
We also can produce various sizes of casing tubes
Size Available:
"W" Design: RW,EW,AW,BW,NW,HW,PW,SW,UW,ZW/HWT,PWT
Metric Series: 46, 56,66,76,86,101,116,131,146
"X" Design: RX, EX, AX, BX, NX, HX, PX, SX, UX, ZX
Technical Specifications:
| Standard | Specification | Body Size | Length(M) | Thickness of The End | Bit Standard |
| B | BQA BQB | Ø55.6*4.8 | 3 | / | BQ |
| BRQ | Ø55.6*4.8 | 3 | / | BQ | |
| BQT | Ø56.5*4.75/6 | 3 | Internal Thicken | BQ | |
| BQS | Ø54*4.5/6.25 | 3 | Inside & Outside Thicken | BQS | |
| N | NQA NQB | Ø71*5.5(Ø70.1*5.05) | 3 | / | NQ |
| NRQ | Ø71*5.5(Ø70.1*5.05) | 3 | / | NQ | |
| NQT | Ø72*4.8/6 | 3 | Internal Thicken | NQ+1 | |
| NQS | Ø73*5/7.5 | 3 | Internal Thicken | NQ+1.5 | |
| H | HQR HQB | Ø89*5.6 | 3 | / | HQ |
| HRQ | Ø89*5.6 | 3 | / | HQ | |
| HQT | Ø91*5.8/6.75 | 3 | Internal Thicken | HQ+1 | |
| HQS | Ø91*5.8/7.5 | 3 | Inside & Outside Thicken | HQ+1 | |
| P | PQA PQB | Ø114.3*6.35 | 3 | / | PQ |
| PRQ | Ø114.3*6.35 | 3 | / | PQ |
We also could supply:
1. Drill rod: BQ,NQ,HQ,PQ, NT, HT,
Thin wall drill rod: BTW, NTW
Casing: BW NW HW HWT
2. Core barrel: BQ NQ HQ PQ BTW NTW head assembly and core barrel spare parts
3. AQ BQ NQ HQ PQ T2 T6, etc. Diamond core bit, reaming shell & shoe bit (syn. and surface-set, PDC) and oversize
4. Drill tool: hoisting plug water swivel overshot outer tube & inner tube wrench foot clamp, etc