EN
CGE WUXI NW Geological Drilling Casing Pipe
CGE WUXI NW casing is a flush-jointed geological drilling casing complying with DCDMA Standard W Series. With an outer diameter of 88.9 mm and wall thickness of 6.35 mm, it is a mainstream borehole protection tool for medium-deep hole drilling and exploration in complex strata. It is fully compatible with wireline coring drilling technology, featuring high strength, excellent tightness, strong collapse resistance and easy assembly & disassembly.
Certificates: RoHS, MSDS, ISO (available upon purchase)
Material: 4130 steel
Custom lengths: 0.6m, 1.5m, 3m
MOQ: 1 piece
Description
CGE WUXI NW casing is a flush-jointed geological drilling casing complying with DCDMA Standard W Series. With an outer diameter of 88.9 mm and wall thickness of 6.35 mm, it is a mainstream borehole protection tool for medium-deep hole drilling and exploration in complex strata. It is fully compatible with wireline coring drilling technology, featuring high strength, excellent tightness, strong collapse resistance and easy assembly & disassembly.
Specifications
| No. | Name | OD*thickness (mm) | thread pitch | length of thread (mm) | weight (kg/m) |
| 1 | AW | 57.1*4.35 | 4 | 57.2 | 5.66 |
| 2 | BW | 73.0*6.35 | 4 | 63.5 | 10.44 |
| 3 | NW | 88.9*6.35 | 4 | 69.9 | 12.93 |
| 4 | HW | 114.3*6.35 | 4 | 76.2 | 16.91 |
| 5 | HWT | 114.3*6.35 | 2.5 | 62.74 | 16.91 |
| 6 | PW | 139.7*6.35 | 3 | 82.6 | 20.88 |
| 7 | PWT | 139.7*7.1 | 2.5 | 62.74 | 23.22 |
| 8 | SW | 168.3*7.95 | 3 | 88.9 | 31.44 |
Product Features
1、Integral Pin & Box Thread: Direct connection without couplings. Uniform outer diameter ensures smooth running and pulling.
2、Internal & External Shoulder Locking: Thick-wall design provides double bearing surfaces, high torsion resistance, effectively preventing thread loosening under heavy load.
3、High Interchangeability: Manufactured in accordance with DCDMA standards, fully interchangeable with all standard NQ drilling accessories worldwide.
4、Surface Treatment: Finished with black oxide, anti-rust paint or red paint. Good corrosion and wear resistance for water and mud drilling.
Application Scenarios
For borehole protection in medium-depth geological exploration, mineral prospecting and engineering drilling. It isolates broken formations and aquifers, avoiding mud loss and borehole collapse. It can be used as temporary or permanent casing.
Product Advantage
1.Wide applicability, ideal for medium-depth drilling projects with NQ system.
2.High mechanical strength, wear and compression resistant for long service life.
3.Easy to assemble and run, greatly improve working efficiency.
4.Reliable locking structure, reduce downhole accidents effectively.
5.Excellent cost performance for general and medium complex formations.
Related products
