| Type: | Wireline Drill Rod |
|---|---|
| Usage: | Core Drilling |
| Certification: | CE, ISO |
| Material: | Cr-Mo Steel, 4130 |
| Surface Treatment: | Heat Treatment |
| Industry: | Rock Coring Survey |
| Samples: |
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| Customization: |
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Here are some more details and information about wireline drill rod:
Rod Coatings and Treatments: Drill rods can be coated or treated to enhance their performance and resistance to wear or corrosion. Common coatings include chrome plating, nitride treatment, or specialized coatings like tungsten carbide. These coatings provide improved surface hardness, lubricity, and protection against abrasion or chemical attack, prolonging the lifespan of the rods in challenging drilling environments.
Rod Accessories: Various accessories are used in conjunction with drill rods to optimize drilling operations. For example, subs or stabilizers can be attached to the rods to provide additional stability and control in the borehole. Cross-over subs allow for connecting rods with different thread types or sizes. Other accessories include centralizers, hole openers, or fishing tools, depending on the specific drilling requirements.
Rod Breakout and Makeup: During assembly and disassembly of drill rods, a process called breakout and makeup is performed. Breakout refers to the loosening or unscrewing of the threaded connections, while makeup involves tightening or screwing the connections back together. Proper breakout and makeup techniques, including the use of torque wrenches or power tongs, ensure secure and leak-free connections between the rods.
Rod Thread Protection: The threads on drill rods are susceptible to damage during handling, transportation, or storage. To prevent thread damage, thread protectors or caps are used to cover the exposed threads. These protectors are typically made of durable materials like plastic or metal and provide a barrier against impacts, debris, or contaminants that could impair the thread integrity.
Rod Disposal and Recycling: When drill rods reach the end of their useful life or become damaged beyond repair, proper disposal or recycling methods should be followed. Depending on local regulations and environmental considerations, the rods may need to be disposed of at designated waste management facilities or recycled through specialized metal recycling programs. Recycling helps reduce waste and promotes the sustainable use of resources.
Rod Maintenance and Lubrication: Regular maintenance and lubrication of drill rods are essential to ensure their optimal performance and longevity. This includes cleaning the rods after use, inspecting for signs of wear or damage, and applying appropriate lubricants to the threads to reduce friction and prevent galling or seizing. Following manufacturer-recommended maintenance practices helps preserve the integrity of the rods.
Rod Availability and Suppliers: Drill rods are available from various suppliers, including drilling equipment manufacturers, specialized distributors, or rental companies. It's important to choose reputable suppliers that offer high-quality rods and provide reliable customer support. Consulting with industry professionals or conducting thorough research can help identify trusted suppliers in your region.
Rod Cost Considerations: The cost of drill rods can vary depending on factors such as material grade, length, diameter, and thread type. It's important to balance the cost of the rods with their quality and performance characteristics. While lower-cost options may be available, it's crucial to ensure they meet the required specifications and safety standards for the intended drilling application.
Remember, drill rods are critical components in drilling operations, and their proper selection, maintenance, and handling are crucial for safe and efficient drilling. Consulting with drilling experts, manufacturers, or industry-specific resources can provide further guidance on the specific applications, limitations, and best practices related to drill rods.
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 safety precautions are needed when handling drill rods?
A: Wear proper PPE, establish exclusion zones, use lifting equipment, watch for pinch points when assembling or moving rods near rig.
Q2: How can you prevent core from washing out?
A: Optimize mud properties, ensure laminar flow, reduce pump rates, employ reamed hole techniques to protect weak zones from erosive fluid velocities.
Q3: How can you minimize shocks to fragile core?
A: Use cushions, absorbing core catchers, minimize trip speeds, promptly recover and isolate recovered core without air exposure.
Q4: What can damage core quality downhole?
A: Insufficient mud solids control, contamination risks from drilling chemicals, fluid pressures degrading structure before retrieval, impacts from equipment.
Q5: How can improper handling ruin core samples?
A: Oxidation from long air exposure, contamination from dirty tools/hands, cracking during transport/storage, mislabeling destroying geological context.
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