| 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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Rod Straightness: The straightness of drill rods is important for maintaining drilling accuracy. Bent or deformed rods can lead to deviations in the borehole trajectory, affecting the desired drilling path. Manufacturers often specify the allowable tolerance for rod straightness to ensure proper performance.
Rod Weight: The weight of drill rods is a critical consideration, especially for portable or handheld drilling equipment. Lighter drill rods are easier to handle and transport, reducing operator fatigue and improving overall productivity. However, it's important to balance weight reduction with the required strength and stability for the drilling operation.
Rod Handling Equipment: In addition to rod handling systems, specialized equipment is available for handling drill rods during assembly, disassembly, and transportation. Rod wrenches, rod handling tongs, and rod elevators are commonly used tools to safely and efficiently manipulate drill rods.
Rod Markings and Identification: Drill rods are often marked or labeled with identification information, such as the manufacturer's name, rod grade, length, and other relevant details. These markings assist in tracking and organizing drill rods, ensuring they are used correctly and in accordance with specifications.
Rod Inspection Techniques: Regular inspection of drill rods is crucial for identifying signs of wear, damage, or fatigue. Non-destructive testing (NDT) techniques, such as magnetic particle inspection or ultrasonic testing, can be employed to detect internal or surface defects that may compromise the integrity of the rods.
Rod Storage and Transportation: Proper storage and transportation of drill rods are essential to prevent damage and ensure their longevity. Rods should be stored in a clean, dry environment, protected from moisture, and kept away from corrosive substances. Additionally, care should be taken during transportation to avoid excessive vibration or impact that could lead to rod deformation.
Rod Failure Prevention: Understanding the factors that contribute to drill rod failure is important for preventing accidents and ensuring worker safety. Overloading, improper thread engagement, fatigue, or corrosion can lead to rod failure. By adhering to recommended operating parameters, conducting regular inspections, and following proper maintenance practices, the risk of rod failure can be minimized.
Emerging Technologies: Advancements in materials science and drilling technology continue to drive innovation in drill rod design. For example, composite materials like carbon fiber or fiberglass are being used to develop lightweight, high-strength drill rods that offer improved performance and reduced environmental impact. Additionally, the integration of sensors and data acquisition systems into drill rods enables real-time monitoring of drilling parameters, enhancing operational efficiency and safety.
Remember, drill rods are vital components in drilling operations, and their proper selection, maintenance, and inspection 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 advantages does high quality coring offer?
A: Intact, representative samples protected from washing/invasion by optimizing equipment, procedures and experienced rig crews provide reliable formation insights. This improves certainty around critical economic thresholds like resources-in-place, flow rates, drainage boundaries, etc. supporting investment commitment versus riskier decisions based on poorer data.
Q2: What benefits does integrated coring/logging provide?
A: Combining mud logs, LWD measurements, conventional logs and core/core analysis in a single dataset allows direct validation and correlation between data types. This eliminates potential interpretation discrepancies versus discrete coring and wireline runs which risk correlative errors when merged later in evaluation.
Q3: How does coring support carbon storage verification?
A: Post-injection coring verifies fluids are contained as predicted by identifying mineral alterations from reactions with brines and original pore fluids remain fully immobilized with no unanticipated migration pathways through confining layers over the long-term. This ensures storage projects meet regulatory and public assurance requirements.
Q4: What advantages does coring provide for environmental protection?
A: Identifying shallow groundwater zones, naturally occurring radioactive materials, acid producing formations and other hazards supports casing/cement design to safely isolate these risks. It also guides baseline studies of pre-existing conditions in the event of any operational incidents requiring remediation verification.
Q5: What value does archiving coring data provide?
A: Preserving physical samples and records for future reference avoids unnecessary re-coring of old wellbores for subsequent operations, property transfers or regulatory compliance needs. It also preserves the sample for advancing core analysis technologies with potential to reveal new insights not detectable with older methodologies.
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