Adjustable and Various Size High-Quality Machining T6 76 Diamond Reamer

Product Description

Product Description: Here are some additional potential problems you may encounter when using a diamond reamer and their corresponding solutions:
Poor drilling performance: If you notice suboptimal drilling performance, such as slow penetration rates or difficulty in maintaining hole size, the following steps can help improve the situation:
Assess the diamond reamer design: Ensure that the reamer is properly designed for the specific drilling application and formation characteristics. Different reamer designs, such as stepped or spiral reamers, may perform better in certain conditions. Optimize drilling parameters: Adjust the drilling parameters, such as rotational speed and weight on bit, to achieve the desired penetration rates and hole integrity. Experiment with different settings to find the optimal balance. Consider alternative drilling techniques: In some cases, alternative drilling techniques like rotary drilling, rotary percussion drilling, or mud motor-assisted drilling may provide better performance than conventional methods. Formation damage: When drilling through sensitive formations, such as clay or shale, the reaming process can cause formation damage, such as borehole collapse or sloughing. To minimize formation damage:
Choose an appropriate reamer configuration: Select a reamer design that minimizes cuttings retention and provides efficient cuttings removal to prevent borehole instability. Optimize drilling fluid properties: Use drilling fluids with suitable rheological properties, filtration control, and fluid loss characteristics to minimize formation damage and stabilize the wellbore. Implement mud cake management: Proper mud cake management techniques, such as mud cake thinning agents or periodic mud cake removal, can help reduce formation damage and maintain wellbore stability. Stuck reamer: Occasionally, the diamond reamer may get stuck in the wellbore due to various reasons, such as differential sticking or formation irregularities. If you encounter a stuck reamer, consider the following actions:
Apply appropriate release agents: Use specialized release agents or lubricants to reduce friction and facilitate the release of the stuck reamer. Employ mechanical jarring techniques: If the reamer is firmly stuck, mechanical jarring techniques, such as jar impact or hydraulic jarring, can help dislodge it. Seek expert assistance: If your efforts to release the stuck reamer are unsuccessful, consult with drilling experts or service companies experienced in wellbore fishing operations for specialized tools and techniques. Remember, the drilling industry is complex, and specific challenges can vary depending on the geological conditions, drilling equipment, and operational practices. It's crucial to maintain effective communication with drilling experts, equipment manufacturers, and service providers to address any problems that arise and ensure the best possible drilling outcomes.

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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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