Steel water well casing pipes in the BQ, NQ, HQ, and PQ series are essential components in drilling operations, especially in water well drilling and geological exploration. These pipes are designed to provide structural integrity to boreholes and support drilling operations in various ground conditions.
BQ, NQ, HQ, PQ series with various diameters to cater to different drilling requirements.
Custom sizes are also available upon request.
Material Quality
Manufactured from high-grade steel, such as carbon steel or high manganese steel, ensuring durability and strength.
The drill rods and casings are heat-treated for additional strength and wear resistance.
Product Range
Includes drill rods, wireline core barrels (AQ-PQ), and assemblies, along with various diamond drill tools
Features
Versatility: Can be used in a wide range of geological formations.
Durability: Designed to withstand heavy stresses and high tensile forces.
Precision Manufacturing: Produced with advanced technology to meet international standards
| Spec. | Unit | BRQ | NRQ | HRQ | PRQ |
| OD/ID | mm | 55.6/46 | 69.9/60.3 | 88.9/77.8 | 114.3/101.6 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 42 | 42 | 41.91 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth negative angle | 5 | 5 | 5 | 5 | |
| tensile resistance(A) | kn | 450 | 525 | 545 | 565 |
| tensile resistance(B) | kn | 530 | 625.5 | 602 | 660 |
Suitable for water well drilling, geological coring exploration, soil testing and sampling, mineral exploration, and more.
Applicable in different strata, ranging from loose soil to the hardest rocks.
Each pipe undergoes rigorous testing, including mechanical tests and dimensional checks, to ensure adherence to quality and performance standards.
Customization options available for specific drilling needs.
Professional technical support and after-sales services provided.
For detailed pricing, customization options, and further inquiries, please contact our sales team.
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