1. Outside Diameter: 4 1/2 " (114.3 mm)
2. Wall Thickness: 0.337 Inch (8.56 mm)
3. Thread: NC50
4. Steel Grade: S135
5. Tool Joint OD: 6 5/8 Inch(168.3mm)
6. Tool Joint: 4137H
7. Thread treatment :Phosphorization,copper plating
8. Apply to water well drilling, oil well drilling, gas well drilling
Compliance with International Standards: Our oil drill pipes are manufactured strictly in accordance with API 5D standards, ensuring exceptional quality and reliability.
1. Material Selection: We use high-quality materials, including E75, G105, and S135, to ensure the durability and performance of our pipes.
2. Multiple Length Options: We offer R1, R2, R3 lengths, or customized options to meet various drilling depth requirements.
3. Safe Drilling Depth: Our oil drill pipes reliably support drilling operations to depths of up to 10000 meters, catering to a wide range of exploration needs.
4.Strength Assurance: With a minimum yield strength of 724 Map and a minimum tensile strength of 793 Map, our pipes guarantee outstanding performance in challenging environments.
Our oil drill pipes are your dependable partner, offering excellent support for efficient drilling in oilfields and gas wells, while adhering to international standards and stringent quality control.
Size (inch) | Normal Weight (lb/ft) | Wall Thickness (inch) | Grade | Connect OD (PIN) | Connect ID (BOX) | Thread |
2 3/8 | 6.65 | 0.280 | E,G,X | 3 3/8 | 1 3/4 | NC26 |
2 7/8 | 10.40 | 0.362 | E | 4 1/8 | 2 1/8 | NC31 |
2 7/8 | 10.40 | 0.362 | G,S | 4 1/8 | 2 | NC31 |
3 1/2 | 13.30 | 0.368 | E | 4 3/4 | 2 11/16 | NC38 |
3 1/2 | 13.30 | 0.368 | G,S | 5 | 2 7/16 | NC38 |
4 | 14.00 | 0.330 | E,G,S | 5 1/2 | 2 1/4 | NC40 |
4 1/2 | 16.60 | 0.337 | E,G,S | 6 5/8 | 3 3/4 | NC50 |
5 | 19.50 | 0.362 | E75 | 6 5/8 | 3 1/4 | NC50 |
5 | 19.50 | 0.500 | G105 | 7 | 3 3/4 | 5 1/2 FH |
5 | 25.60 | 0.500 | E75 | 6 5/8 | 3 3/4 | NC50 |
5 | 25.60 | 0.500 | G105 | 6 5/8 | 2 3/4 | NC50 |
5 | 25.60 | 0.500 | S135 | 7 1/4 | 3 1/4 | 5 1/2" FH |
5 1/2" | 21.90 | 0.361 | E75 | 7 | 4 | 5 1/2" FH |
5 1/2" | 21.90 | 0.361 | G105 | 7 1/4 | 3 1/2 | 5 1/2" FH |
6 5/8" | 21.90 | 0.330 | G105,S135 | 8 1/4 | 4 3/4 | 6 5/8" FH |
6 5/8" | 21.90 | 0.362 | G105,S135 | 8 1/4 | 4 1/4 | 6 5/8" FH |
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