Consistent Diamond Distribution Reduced Risk of Tool Failure Diamond Reamer for Rock Core Retrieval

• Type: Core Drill
• Usage: Coring
• Certification: CE, ISO
• Application: Reaming
• Industry: Geological Survey
• Payment Term: Tt or LC
• Model NO.: AQBQPQNQHQNTWHTWNQ3HQ3PQ3
• 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:

 some additional details about diamond reamers in drilling conditions:

1. Reaming Shell Stability: Maintaining stability during reaming is crucial for achieving accurate and consistent drilling results. The design and construction of the reaming shell should provide stability and resistance to torsional forces and vibrations. This helps prevent deviations or deflections in the drilling path and ensures the desired borehole trajectory.

2. Reaming Shell Compatibility: Diamond reamers need to be compatible with the drilling equipment and other components of the drilling system. This includes considerations such as the thread type and size for connection to the drill string, compatibility with the core barrel or other drilling tools, and adherence to industry standards and specifications.

3. Reaming Shell Applications: Diamond reamers find applications in various drilling scenarios and industries. They are commonly used in mineral exploration, geotechnical drilling, oil and gas drilling, and construction projects. The specific requirements and challenges of each application determine the selection of the appropriate reaming shell design, size, and diamond configuration.

4. Reaming Shell Performance Optimization: Several factors can influence the performance of diamond reamers and the overall drilling efficiency. These factors include rotational speed, drilling fluid properties, weight on bit, drilling parameters, and the condition of the drilling equipment. Optimization of these variables helps maximize the cutting efficiency and lifespan of the reaming shell.

5. Reaming Shell Safety Considerations: Safety is paramount in drilling operations, and the use of diamond reamers is no exception. Operators should adhere to safety guidelines and wear appropriate personal protective equipment (PPE) while working with reaming shells. Regular inspection of the reaming shell and associated equipment helps identify any potential safety hazards or maintenance issues.

6. Reaming Shell Innovations: The drilling industry continues to innovate and develop new technologies related to diamond reamers. These innovations aim to enhance cutting efficiency, improve durability, reduce downtime, and increase overall drilling performance. Examples of such innovations include advanced diamond coating technologies, self-sharpening designs, and automated monitoring systems.

7. Environmental Considerations: Environmental considerations play a significant role in drilling operations. Diamond reamers can help minimize the environmental impact by reducing waste generation, optimizing drilling efficiency, and promoting sustainable drilling practices. Proper waste management and adherence to environmental regulations are important aspects of responsible drilling operations.

8. Reaming Shell Limitations: While diamond reamers offer many advantages, they also have certain limitations. For instance, they may not be suitable for extremely hard or abrasive rock formations where alternative drilling techniques or tools may be more effective. Additionally, the cost of diamond reamers can be relatively higher compared to other drilling components, necessitating careful cost-benefit analysis.

9. Research and Development: Ongoing research and development efforts in the field of drilling technology continue to improve the performance and capabilities of diamond reamers. Research institutions, equipment manufacturers, and drilling companies collaborate to develop new materials, designs, and techniques to address drilling challenges and push the boundaries of drilling efficiency.

These additional details provide further insight into the complexities, considerations, and advancements related to diamond reamers in drilling conditions. By staying informed about these aspects, drilling professionals can make informed decisions, optimize drilling operations, and adapt to evolving industry trends.

 

 

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

 

 

FAQ:

1,How is the cuttings removal process during reaming?
Drilling fluid jets exit ports around the reamer body and wash cuttings up the bore annulus as the reamer advances. Larger chips are pumped up and out first by the circulation. Finer debris stays suspended until the entire slurry is lifted and separated at the surface.
2,How smooth are the holes that diamond reamers produce?
When new, reamers can produce holes within an inch or less of their true diameter. As they wear, surface finish degrades somewhat but stays smooth enough for grout pipes or TBM shell installation. Segmented designs maintain consistency better than random models.
3,How straight can diamond reamers drill? What tolerances?
Modern rigs and downhole motors allow reaming to ±3 inches over 100 feet when needed for applications like raise bore holes. Most tunnel headings can tolerate more deviation. Guidance tools like probes or lasers provide reference when high precision is critical.
4,Can reamers drill directionally or only vertically/horizontally?
While most reaming is straight up/down or horizontal, some specialized reamers have bend angles and downhole steering motors installed to excavate short radius curved tunnels or shafts in difficult ground where directional control is important.

5,Are reamers able to drill holes in wet or flooded conditions?
Newer reamer models are sealed and flood-resistant to ream unstable ground while controlling large water inflows. The drilling fluid circulation helps flush cuttings from the very bottom of deep flooded holes. But excessive water can slow reaming due to reduced torque and drag on rods.
 

 

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