Optimal Balance Between Hardness and Toughness Sustained Cutting Power T6 116 Diamond Reamer

• Type: Core Drill
• Usage: Coring
• Certification: CE, ISO
• Application: Reaming
• Industry: Geological Survey
• Payment Term: Tt or LC
• Model NO.: T256,T266,T276,T286,T2101,T676,T686,T6101,T6116,T6
• Product Name: Reaming Shell/Reamer
• Thread Type: Pi, Metric, Dcdma etc.
• Surface Finish: Smooth
• Material: Diamond
• Coating: Natural Diamond or Man-Made Diamond
• Heat Resistance: High
• Cutting Edge: Sharp
• Transport Package: Nude/Wooden Case/Carten
• Specification: PQNQHQNTWHTWNQ3HQ3
• Trademark: BEST
• Origin: China
• HS Code: 82071910
• Production Capacity: 500000 Pieces/Year

Product Description

Product Description:

Here are a few more potential problems you may encounter when using a diamond reamer and their solutions:

1. 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:

   • Optimize drilling parameters: Adjust the drilling speed, weight on bit, and rotational speed to achieve optimal core recovery. Fine-tune these parameters based on the specific formation characteristics and desired core sample quality.
   • Use appropriate core barrel design: Ensure that the core barrel design and size match the formation properties and drilling conditions. Selecting the right core barrel components, such as core bits, core lifters, and core catchers, can enhance core recovery.
   • Improve core handling techniques: Implement proper handling and extraction procedures to minimize core damage during retrieval. Use core orientation tools to maintain sample orientation and improve data interpretation.

2. 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.

3. 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:

• Optimize drilling fluid flow rate: Ensure an adequate flow rate of drilling fluid to carry away the drilled cuttings and maintain a clean wellbore. Adjust the flow rate based on the formation type and drilling conditions.
• Use appropriate drilling fluid properties: Select drilling fluids with proper viscosity, density, and suspension properties to optimize cuttings transport. Consider using additives that enhance hole cleaning and suspension capabilities.
• Review drilling fluid circulation system: Evaluate the efficiency of the drilling fluid circulation system, including mud pumps, flow lines, and shaker screens. Ensure proper maintenance and cleaning of the system to minimize plugging or blockage.

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.

 

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