Casing Advancement Systems
The following range of casings is purpose built to withstand the shock loading and torque produced when using DTH hammer and various eccentric bit drilling techniques. Listed below are the casing and shoe sizes for the most popular systems. Of course other sizes are available on request.
With the wide range of eccentric bits now available it is recommended that any new system should be checked with us to ensure correct casing sizes. Hardened alloy steel shoes can be supplied to special order.
Standard lengths: 1000 mm, 1500 mm, 2000 mm and 3000 mm.
Other lengths and specifications can be produced to your specifications.
There are many Casing Advancement systems available on the market from a number of manufacturers. Some of them are: Centrex; ODEX; ODS; Simcas; Symmetrix; Tubex. We are able to supply equipment compatible with these systems.
| Outside Diameter (mm) | Wall Thickness (mm) | Thread Type | Show I.D. (mm) |
|---|---|---|---|
| 114.3 | 6.4 | Modified Square | 93 |
| 114.3 | 8 | Single or Double Start Klemm | 92 |
| 139.7 | 6.4 | Modified Square | 116.5 |
| 139.7 | 8 | Single or Double Start Klemm | 116.5 |
| 168.3 | 8 | Single or Double Start Klemm | 141.5 |
| 193.7 | 8 | Single or Double Start Klemm | 168 |
| 219.1 | 8 | Single or Double Start Klemm | 192 |
| 254 | 9.5 | Single or Double Start Klemm | 219 |
| 273.1 | 9.5 | Single or Double Start Klemm | 242 |
| Outside Diameter (in) | Wall Thickness (in) | Thread Type | Show I.D. (in) |
|---|---|---|---|
| 4.5 | 0.25 | Modified Square | 3.66 |
| 4.5 | 0.31 | Single or Double Start Klemm | 3.62 |
| 5.5 | 0.25 | Modified Square | 4.59 |
| 5.5 | 0.31 | Single or Double Start Klemm | 4.59 |
| 6.63 | 0.31 | Single or Double Start Klemm | 5.57 |
| 7.63 | 0.31 | Single or Double Start Klemm | 6.61 |
| 8.63 | 0.31 | Single or Double Start Klemm | 7.56 |
| 10 | 0.37 | Single or Double Start Klemm | 8.62 |
| 10.75 | 0.37 | Single or Double Start Klemm | 9.53 |
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