B N H P Core Drilling Wireline Core Barrel Core Lifter ,Core Lifter Case Stop Ring
Core lifter:
The core lifter is placed on the corelifter case with a taper boday,It is required to have good flexibility and wear resistance, generally made of 40 # chrome steel or 65 # manganese steel, and quenching heat treatment.Corelifter is mainly used for diamond drilling.
Core llifter case:
Heat treated product, its inner chrome option extends useful life.
The core lifter case mates to the inne tube and houses the corelifter in a tapered socket which controls movement of the core lifter.
As the drilling string is lifted during a core breaking operation,the core lifter case bottoms out on the inside of the drill bit transferring the pullback load from the drill string to the core lifter untill the core sample breaks.
Stop ring:
It’s purpose is retaining the spring.
Specification:
| Model | ID(mm) | OD(mm) |
| HQ3 core lifter | 60.7 | 66.5 |
| HQ core lifter | 62.67 | 68.94 |
| HQ3 core lifter case | 62.7 | 71.6 |
| HQ core lifter case | 65.56 | 73.23 |
| PQ3 core lifter | 82.56 | 91.28 |
| PQ core lifter | 84.53 | 91.28 |
| PQ3 core lifter case | 86.8 | 92.5 |
| PQ core lifter case | 86.8 | 96.4 |
Size: BQ NQ HQ PQ
Availability type: Fluted core lifter, Slotted core lifter, Diamond coated core lifter
Range: Core barrel.
Drill rig type: Core drilling rig machine.
| Series | Model | Drill BIt(mm) | Reamer | Outer Tube | Inner Tube | Unit Weight |
| | Inner Diameter | Outer diameter | Outer Diamond | Outer Diameter | Inner Diameter | Outer Diameter | Inner Diameter | KG/Set |
| Q Series Core Barrel | BQ | 36.5 | 59.5 | 60 | 57.2 | 46 | 42.9 | 38.1 | 45 |
| NQ | 47.6 | 75.3 | 75.9 | 73 | 60.3 | 55.6 | 50 | 65 |
| HQ | 63.5 | 95.6 | 96 | 92.1 | 77.8 | 73 | 66.7 | 103 |
| PQ | 85 | 122 | 122.6 | 118 | 103 | 95.3 | 88.9 | 142 |
Sinocoredrill offer a complete line of single & double and triple tube core barrels, which will provide superior performance and obtain the full recovery of the sample in any application of diamond core drilling.
Using a wireline system , core is recovered quickly by retrieving the inner tube directly through the drill string. The rods remain in the hole until the bit needs to be replaced. this has big cost advantages when drilling deep holes for mineral exploration.
The core barrel assembly is composed of the inner-tube group and outer-tube group.
The inner-tube group collects the core samples during the drilling process and is independent of the outer-tube gourp.
The outer-tube gourp always remains at the buttom of the hole and houses the inner-tube group during the drilling process.
The standard wireline Double tube inner-tube gourp is composed of Head Assembly, Inner tube, Core lifter case , Core lifter, Stop ring.
The outer-tube group is composed of the remain of the core barrel components: Locking coupling, Adapter coupling, Outer-tube, Landing ring, Inner tube stabilizer.
Standard Wireline Double tube Core Barrels are ideal for use in most of the drilling conditions and are available for application in standard hole sizes( B,N,H,P).
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B N H P Core Drilling Wireline Core Barrel Core Lifter Case Stop Ring Images
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