NW HWT Casing Advancer for Metric Casing with 7.8" to 11.93" Bit Sizes and Extended Shoe Life
Price:
negotiation
MOQ:
Negotiable
Delivery Time:
15 days
Brand:
ROSCHEN
Product Description
Product Overview
The NW HWT Casing Advancer enables simultaneous drilling and casing operations, eliminating the need for separate drilling and casing runs. This integrated approach is ideal for overburden, sand, gravel formations, and landfill drilling applications.
Compatible Casing Sizes
Available for: BQ, NQ, HQ, PQ, SQ, BW, NW, HWT, PWT, SW, UW, ZW casing systems
Key Features & Benefits
- Cases borehole as drilling advances
- Reduces drilling costs by minimizing rod and casing handling
- Compatible with rock bits and TC drag bits
- Extended casing shoe life through continuous reaming action
- Special flushing ports ensure adequate bit cleaning
- Uses conventional right-hand threaded drill rods and casing
- Suitable for air, water, or mud flush operations
- Manufactured from high-quality materials
Technical Specifications
Conventional Casing (ISO Standard 3551)
| Designation | Casing O.D. | Casing I.D. | Advancer Bit O.D. |
|---|---|---|---|
| SW | 6.625" | 6.000" | 7.800" |
| UW | 7.625" | 7.000" | 8.800" |
| ZW | 8.625" | 8.000" | 9.800" |
Waterwell Casing (BS 879 Flush Butt Joints)
| Designation | Casing O.D. | Casing I.D. | Advancer Bit O.D. |
|---|---|---|---|
| 6"NB | 6.625" | 6.000" | 7.800" |
| 8"NB | 8.625" | 8.000" | 8.800" |
| 10"NB | 10.750" | 10.000" | 11.93" |
Custom thread configurations (including 2-3/8" API REG) and metric casing sizes available upon request.
Competitive Advantages
- Extended service life
- Over 50 years of manufacturing experience
- High wear resistance
- Competitive pricing
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ROSCHEN GROUP
Location
65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person
Bill, George, Michael