| Customization: | Available |
|---|---|
| Type: | Wireline Drill Rod |
| Usage: | Core Drilling |
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Here are some more details and information about drill rods:
Drill Rod Materials: Drill rods are typically made from high-strength steel alloys to withstand the rigors of drilling operations. Common materials used include alloy steels such as AISI 4145H or AISI 4130, which offer excellent strength, toughness, and fatigue resistance. The choice of material depends on factors such as the drilling application, required load capacity, and environmental conditions.
Rod Length and Diameter: Drill rods come in various lengths and diameters to accommodate different drilling needs. The length of the rods can range from a few feet to several hundred feet, depending on the depth of the borehole. The diameter of the rods is determined by the drilling equipment and the desired borehole size. Standard diameters typically range from 1 inch to 6 inches or more.
Rod Thread Types: Drill rods have threaded connections at each end to allow for easy assembly and disassembly. The most common thread types used in drill rods are API (American Petroleum Institute) threads, which provide a reliable and standardized connection. API threads come in different sizes and profiles, such as API Regular, API Internal Flush (IF), and API Full Hole (FH), among others.
Rod Grades: Drill rods are manufactured to different grades based on their strength and performance characteristics. Grades are designated by numbers, such as Grade E75, Grade X95, or Grade G105, which indicate the minimum yield strength of the rods in thousands of pounds per square inch (ksi). Higher-grade rods offer greater strength and durability, making them suitable for more demanding drilling applications.
Rod Torque and Torsional Strength: Drill rods must possess sufficient torsional strength to transmit torque from the drilling rig to the drilling tool or bit. Torsional strength is crucial to ensure efficient drilling and prevent rod failure due to excessive twisting forces. Manufacturers specify the maximum allowable torque for drill rods based on their design and material properties.
Rod Weight and Load Capacity: The weight and load capacity of drill rods are important considerations, especially in deep or challenging drilling conditions. Heavier rods can withstand greater axial loads and provide stability in the borehole. However, the weight of the rods should be balanced with the capabilities of the drilling equipment and the physical limitations of the drilling operation.
Rod Insulation and Electromagnetic Compatibility (EMC): In certain drilling applications, such as drilling in areas with sensitive electronic equipment or when working with specialized instruments, drill rods may require insulation to prevent electromagnetic interference (EMI). Insulated drill rods minimize the risk of signal interference or damage to electronic components during drilling operations.
Rod Certification and Standards: Drill rods may be subject to industry standards and certifications to ensure their quality and reliability. For example, drill rods used in the oil and gas industry may need to comply with API standards, while those used in geotechnical drilling may adhere to regional or international standards specific to that field. These certifications provide assurance of the rods' performance and compliance with industry requirements.
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: How does coring aid field management?
A: Maintaining a central core repository with logging/photography facilitates data access across disciplines for operational and administrative decision-making. Periodic review and analysis also supports ongoing reservoir management optimization and future appraisal/development planning throughout a field's extended productive lifespan.
Q2: What value does coring add for due diligence?
A: For asset transactions, providing cores and comprehensive data reduces technical uncertainties. This commands premium prices by establishing validated oil/gas volumes, flow rates and remaining potential supported by tangible samples versus relying solely on indirect data.
Q3: Why is coring important in frontier areas?
A: It establishes a firm geological/petrophysical foundation for exploration and appraisal when little pre-existing data exists. This de-risks subsequent seismic/well commitments through calibration based on empirical evidence from cores in provinces with sparse infrastructure and few analog field examples.
Q4: What advantages does core provide in urban oil fields?
A: Multi-zone, high pressure/temperature reservoirs near populated surface areas require meticulous characterization of weak zones to optimize hydraulic fracture planning and prevent fluid migrations. Cores precisely define mechanical properties, lithology contacts and potential communication hazards.
Q5: How does coring support field instructors?
A: Cutting-edge core storage facilities that preserve and digitally catalogue samples with thin section/ photograph reference acts as a professional educational resource. Hands-on teaching with real reservoir examples strengthens geology and petroleum engineering university curriculum worldwide.
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