Customization: | Available |
---|---|
Type: | Core Drill |
Usage: | Coring |
Still deciding? Get samples of US$ 100/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Here are a few more potential problems you may encounter when using a diamond reamer and their solutions:
Core recovery issues: Diamond reamers are often used in core drilling applications to retrieve intact rock samples. However, several factors can lead to poor core recovery. To improve core recovery rates:
Bit balling or material buildup: In certain drilling conditions, such as sticky clay or gumbo formations, the diamond reamer can experience bit balling or material buildup. This can reduce drilling efficiency and cause vibration or erratic drilling behavior. To address this problem:
Optimize drilling fluid properties: Adjust the drilling fluid formulation to reduce its stickiness and improve lubrication. Add appropriate additives or lubricants to prevent material buildup on the reamer.Implement vibration mitigation techniques: Use anti-vibration tools or shock absorbers in the drill string to reduce the likelihood of bit balling and material buildup. Periodically clean the reamer: If material buildup occurs, periodically clean the reamer during drilling breaks or by implementing back-reaming techniques to remove the accumulated material.Inadequate hole cleaning: Effective hole cleaning is crucial for maintaining drilling efficiency and preventing formation damage. If you encounter inadequate hole cleaning with the diamond reamer, consider the following solutions:
It's important to note that drilling operations can vary widely, and the specific challenges you may encounter when using a diamond reamer can depend on factors such as formation type, drilling method, and equipment used. Consulting with drilling experts, experienced colleagues, or equipment manufacturers can provide valuable insights and solutions tailored to your specific drilling application.
Model or type:
Specifications
ITEM | DIAMOND BIT | Reaming shell | |||||
"Q" Series Wireline assembly |
Size | Bit Outer Diameter | Bit Inner Diameter | ||||
mm | inch | mm | inch | mm | inch | ||
AQ | 47.60 | 1.88 | 26.97 | 1.06 | 48.00 | 1.89 | |
BQ | 59.50 | 2.35 | 36.40 | 1.43 | 59.90 | 2.36 | |
NQ | 75.30 | 2.97 | 47.60 | 1.88 | 75.70 | 2.98 | |
HQ | 95.58 | 3.77 | 63.50 | 2.50 | 96.00 | 3.78 | |
PQ | 122.00 | 4.80 | 84.96 | 3.35 | 122.60 | 4.83 | |
Metric T2 Series | 36 | 36.0 | 1.417 | 22.0 | 0.866 | 36.3 | 1.429 |
46 | 46.0 | 1.811 | 32.0 | 1.260 | 46.3 | 1.823 | |
56 | 56.0 | 2.205 | 42.0 | 1.654 | 56.3 | 2.217 | |
66 | 66.0 | 2.598 | 52.0 | 2.047 | 66.3 | 2.610 | |
76 | 76.0 | 2.992 | 62.0 | 2.441 | 76.3 | 3.004 | |
86 | 86.0 | 3.386 | 72.0 | 2.835 | 86.3 | 3.398 | |
101 | 101.0 | 3.976 | 84.0 | 3.307 | 101.3 | 3.988 | |
T Series |
TAW | 47.6 | 1.875 | 23.2 | 1.31 | 48.0 | 1.89 |
TBW | 59.5 | 2.345 | 44.9 | 1.77 | 59.9 | 2.36 | |
TNW | 75.3 | 2.965 | 60.5 | 2.38 | 75.7 | 2.98 |
Reaming classification | |
T series | T36,T46,T56,T66,T76,T86 |
Cable series | AWL,BWL,NWL,HWL,PWL(Front end,rear end) |
WT series | RWT,EWT,AWT,BWT,NWT,HWT(single tube/double tube) |
T2/T series | T256,T266,T276,T286,T2101,T676,T686,T6101,T6116,T6131,T6146,T6H |
WF series | HWF,PWF,SWF,UWF,ZWF |
WG series | EWG,AWG,BWG,NWG,HWG(single tube/double tube |
WM series | EWM,AWM,BWM,NWM |
Others | NMLC,HMLC,LTK48,LTK60,TBW,TNW,ATW,BTW,NTW,AQTK NXD3,NXC,T6H,SK6L146,TT46,TB56,TS116,CHD101 |
Q&A:
1, Can reaming fluid additives like polymers or surfactants enhance drilling?
Additives help control pH, prevent corrosion and reduce friction for smoother drilling. Surfactants and polymers suspend cuttings better to prevent re-cutting freshly excavated material and conditioning fluids optimize hydraulics. Field studies prove benefits.
2, What is the difference between slurry and compressed air reaming systems?
Slurry reaming uses pressurized fluid for both cutting and spoils removal. Air reaming uses compressed air to suspend cuttings and may require secondary water flushing. Slurry generates less fugitive dust but air reaming works better in certain tight, hot or fractured ground conditions.
3, Are reamers suitable for hard rock TBM trailing operations?
Yes, specialized reamers are used behind hard rock TBMs to pre-condition the face for smooth shield advancement. Their large diameter ensures a stable perimeter for subsequent main boring equipment passes with very high penetration rates compared to full face TBM excavation alone.
4, How are reamers cleaned, stored and transported between job sites?
Reamers and parts are pressure washed, dried then treated with corrosion preventative coatings. They are stored in covered areas on pallets or in shipping containers and transported by truck or rail using specialist lifting beams or in custom packing frames for protection.
5, What regulations regarding reamer waste disposal must be followed?
Drilling spoils and process wastewater are tested to comply with environmental standards before approved release methods like settled sediment ponds or filter presses.
Product gallery