Suitable for Different Drilling Requirements and Geological Conditions Drill Pipes That in Various Lengths and Diameters

• Type: Wireline Drill Rod
• Usage: Core Drilling
• Certification: CE, ISO
• Material: Cr-Mo Steel, 4130
• Surface Treatment: Heat Treatment
• Industry: Rock Coring Survey
• Model NO.: AQ,BQ,LTK48,NQ,NQ3,HQ,HQ3,PQ,PQ3 NTW, BTW, HTW
• Transport Pack: Iron Bundle
• Product Name: Drilling Rod, Drill Pipe
• Thread Type: Pi, Metric, Dcdma etc.
• Connection: Male/Female
• Surface Finish: Smooth
• Name: Drill Rod, Drill Pipe
• Full Name: Rock Coring Drilling Rod
• Machine Type: Drill Tool
• Application: Oil Mining, Coal Mining, Well Drilling, Ore Minin
• Formation: Medium, Hard, Hard Rock Formation
• Transport Package: Nude/Wooden Case/Carten
• Specification: BQ, NQ, HQ, PQ, SQ
• Trademark: BEST
• Origin: China
• HS Code: 73045120
• Production Capacity: 500000 Pieces/Year

Product Description

Product Description:

 

 Here are some additional details related to using a wireline drill rod for rock coring in the mining industry:

1. Core Orientation: In addition to collecting core samples, wireline drilling allows for precise core orientation. Orientation tools, such as electronic or gyroscopic devices, can be attached to the core barrel to measure the azimuth and dip of the core. This information is crucial for accurate geological mapping and structural analysis of the rock formations.

2. Wireline Coring Advantages:

   • Increased Efficiency: Wireline coring offers higher drilling efficiency compared to traditional coring methods. The continuous coring process eliminates the need to tripping out the entire drill string for every core retrieval, resulting in significant time savings.
   • Reduced Sample Loss: Wireline coring minimizes the chances of core sample loss during retrieval. The wireline overshot assembly securely engages with the core barrel, ensuring reliable recovery of the core sample to the surface.
   • Deeper Penetration: Wireline drilling allows for deeper penetration into the subsurface compared to conventional coring methods. The use of thin-walled drill rods reduces frictional resistance, enabling longer and deeper coring operations.
   • Safer Operations: Wireline coring enhances safety during drilling operations. The ability to retrieve core samples without pulling out the entire drill string reduces the risk of accidents and injuries associated with manual handling of heavy drill rods.

3. Wireline Coring Limitations:

   • Rock Hardness: Wireline coring may encounter challenges when drilling extremely hard or abrasive rock formations. In such cases, specialized core bits and drilling techniques may be required to ensure effective penetration and core recovery.
   • Core Contamination: Despite precautions, wireline coring can sometimes result in minor contamination of core samples due to drilling fluid invasion. Careful sample handling and selection of appropriate drilling fluids can help minimize contamination and preserve core integrity.
   • Equipment Limitations: Wireline drilling equipment, including the drill rods and core barrels, have specific depth and diameter limitations. It is essential to ensure that the selected drill rod and core barrel sizes are appropriate for the desired coring depth and sample size.

4. Core Sample Analysis and Interpretation:

   • Geotechnical Testing: Core samples obtained through wireline coring are subjected to various geotechnical tests. These tests evaluate parameters such as rock strength, permeability, porosity, and deformation characteristics. The results help in assessing the rock's suitability for mining operations, stability analysis, and support design.
   • Mineral Resource Evaluation: Core samples are analyzed for mineralogy to identify valuable minerals and assess their abundance and distribution within the rock formations. This information is critical for evaluating the economic potential of a mining project.
   • Geologic Interpretation: Geologists analyze the core samples to interpret the geological history, depositional environment, and structural features of the rock formations. This information aids in understanding the subsurface geology, identifying potential mineralization zones, and optimizing exploration and mining strategies.

5. Environmental Considerations:

   • Drilling Fluid Management: Proper management of drilling fluids is essential to minimize the environmental impact of wireline coring. Spill containment measures, proper waste disposal, and adherence to environmental regulations are crucial to prevent contamination of nearby water sources or soil.
   • Core Sample Disposal: Disposal of core samples should be conducted in compliance with environmental regulations and project-specific requirements. Core samples can be stored for future reference, used for further analysis, or appropriately disposed of, depending on their nature and project needs.

Wireline coring using a drill rod is a valuable technique in the mining industry for obtaining high-quality core samples for geological and geotechnical analysis. By following best practices, considering site-specific conditions, and employing appropriate equipment and techniques, wireline coring can provide crucial information for decision-making during mining exploration and development projects.

Parameter table

Size	Outer Diameter (mm)	Inner Diameter(mm)
AQ	44.7	37.3
BQ	55.7	46.1
NQ	70.0	60.2
HQ	89.0	78.0
PQ(PHD)	114.5	101.5
BTW	56.3	48.0
NTW	73.3	64.0
HTW	91.3	81.0
AW/AWJ/AWY	43.7	30.7
BW/BWJ/BWY	54.0	38.0
NW/NWY	66.8	51.0
HW	89.0	71.0
42mm	42.0	30.0
50mm	50.0	37.0
60mm	60.0	48.0
70mm	73.0	54.6
90mm	89.0	69.0
S75A	71.0	60.0
S95A	89.0	78.0
S110	110.0	98.0
S130	129.0	117.0

 

 

Name:	Wireline Drill Rod
Product Basic parameters
Model:	AQ,BQ,LTK48,NQ,NQ3,HQ,HQ3,PQ,PQ3 NTW, BTW, HTW
Material:	Alloy Steel Tubing
Dimensions:	0.5,1m, 1.5m,  2m,2.5,3m length or customized
Color:	Black or customized
Applications:	Drilling Tools
Standard:	ISO-9001
Application:	Mining or geological Drilling

 

Rod Model	OD (mm)	ID (mm)	Thread Pitch(mm)	Pin Length(mm)	Rod Length(m)	Unit Bundle Qty (pcs)
BAU(Q)	55.6	46.1	8.5	44.5	3	19/25/30
NAU(Q)	69.9	60.3	8.5	44.45	3	19/25/30
HAU(Q)	88.9	77.8	8.5	44.45	3	19/25/30
BRAU(RQ)	55.6	46.1	8.5	42	3	19/25/30
NRAU(RQ)	69.6	60.3	8.5	42	3	19/25/30
HRAU(RQ)	88.9	77.8	8.5	42	3	19/25/30
PHD	114	102	10.2	63	3	79/25/30

 

 

FAQ:

Q1: What is the purpose of drilling mud or fluid?
A: Drilling fluid is circulated to lubricate and cool the bit, lift cuttings and control downhole pressure.

Q2: How do you circulate the drilling fluid?
A: Turn on mud pumps to pump fluid down the rods and up the annulus, creating a continuous circulating system to clean the wellbore.

Q3: How do you monitor fluid pressures and flows?
A: Install pressure gauges and flow meters or totalizers to track surface parameters and optimize mud properties and hydraulics.

Q4: How do you perform a connection?
A: Screw stand sections together using a power tong while an assistant applies backpressure and watches for any signs of galling or misalignment.

Q5: How tight should drill rod connections be?
A: Apply the proper torque specified for the particular thread design, typically 60%-80% of minimum yield strength to safely withstand downhole forces.

 

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