Highlight: | drill pipe,drill bit |
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Drilling accessories of Casing Series
Technical Data
Double Wall Casing Pipe
Double-walled casings are used for stabilising boreholes in collapsible soil conditions. Casing and joints are designed for resisting the forces of rotary drilling-rigs or casing oscillators.
1. Dirt and gravel road maintenance |
2. Hard-packed snow and ice removal |
3. Chip and seal road reclamation |
4. Tar sand road reclamation |
5. Spot asphalt milling |
6. Spreading loose material |
7. Mixing calcium chloride,magnesium, chloride, or other dust suppressants |
Technical Parameters
D1/D2 | L | a1 (mm) |
a2 (mm) |
T (mm) |
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2m | 3m | 4m | 5m | 6m | ||||
kg | ||||||||
620/540 | 781 | 1125 | 1485 | 1839 | 2186 | 12 | 8 | 40 |
750/670 | 852 | 1378 | 1806 | 2234 | 2665 | 12 | 8 | 40 |
800/720 | 1026 | 1489 | 1949 | 2417 | 2882 | 12 | 8 | 40 |
880/800 | 1128 | 1635 | 2139 | 2650 | 3159 | 12 | 8 | 40 |
900/820 | 1154 | 1673 | 2188 | 2711 | 3231 | 12 | 8 | 40 |
1000/920 | 1364 | 1860 | 2443 | 3025 | 3604 | 12 | 8 | 40 |
1180/1100 | 1662 | 2433 | 3205 | 3972 | 4753 | 16 | 8 | 40 |
1200/1120 | 1704 | 2487 | 3276 | 4061 | 4851 | 16 | 8 | 40 |
1300/1220 | 1834 | 2687 | 3542 | 4394 | 5245 | 16 | 8 | 40 |
1500/1400 | 2816 | 4041 | 5266 | 6492 | 7717 | 20 | 10 | 50 |
1800/1700 | 3394 | 4870 | 6347 | 7824 | 9301 | 20 | 10 | 50 |
Casing Shoe
Casing shoes are important key elements on a casing string, especially when working in hard soil conditions or when constructing secant pile walls. Cutting rings on the cutting shoe are supplied either with weld-on teeth or with replaceable cutting teeth.
Technical Parameters
D (mm) |
d (mm) |
h (mm) |
Teeth quantity (mm) |
Weight |
620 | 540 | 586 | 9 | 280 |
750 | 670 | 586 | 10 | 335 |
800 | 720 | 586 | 11 | 368 |
880 | 800 | 586 | 13 | 408 |
900 | 820 | 586 | 14 | 419 |
1000 | 920 | 586 | 15 | 468 |
1180 | 1100 | 586 | 17 | 557 |
1200 | 1120 | 586 | 18 | 567 |
1300 | 1220 | 586 | 19 | 615 |
1500 | 1420 | 586 | 22 | 1023 |
1800 | 1720 | 586 | 26 | 1235 |
2000 | 1880 | 586 | 30 | 1796 |
2500 | 2380 | 848 | 38 | 2261 |
Casing Drive Adapter (Casing Twister)
Casing drive adapter transfer the torque from the rotary drive onto the top of the casing string.
Casing Pipe φ(mm) |
D (mm) |
B (mm) |
Height H(mm) |
Weight |
620/540 | 70 | 848 | 1794 | 679 |
750/670 | 70 | 848 | 1794 | 759 |
800/720 | 70 | 848 | 1794 | 816 |
880/800 | 70 | 848 | 1794 | 870 |
900/820 | 70 | 848 | 1794 | 894 |
1000/920 | 70 | 848 | 1794 | 1015 |
1180/1100 | 70 | 848 | 1794 | 1202 |
1200/1120 | 70 | 848 | 1794 | 1235 |
1300/1220 | 70 | 848 | 1794 | 1343 |
1500/1400 | 70 | 848 | 1794 | 2019 |
1800/1700 | 70 | 848 | 1794 | 2580 |
2000/1880 | 70 | 848 | 1794 | 3673 |
2500/2380 | 70 | 848 | 1794 | 5072 |
Casing Connector
2 types of bolt connection systems are available: mechanical connection (bolts are fixed manually), automatic locking device.
Technical Parameters
Type | D | B | Weight |
A | 74.5 | 38 | 1 |
B | 98.5 | 59 | 3 |
D1/D2 (mm) |
H (mm) |
b (mm) |
n (pc) |
hole (pc) |
bolt | Weight |
620/540 | 350 | 40 | 8 | 8 | A | 233 |
750/670 | 350 | 40 | 10 | 10 | A | 285 |
800/720 | 350 | 40 | 10 | 10 | A | 304 |
880/800 | 350 | 40 | 10 | 10 | A | 333 |
900/820 | 350 | 40 | 10 | 10 | A | 341 |
1000/920 | 350 | 40 | 10 | 10 | A | 381 |
1180/1100 | 350 | 40 | 12 | 12 | A | 438 |
1200/1120 | 350 | 40 | 12 | 12 | A | 450 |
1300/1220 | 350 | 40 | 12 | 12 | A | 483 |
1500/1400 | 480 | 50 | 12 | 12 | A | 950 |
1800/1700 | 480 | 50 | 16 | 16 | A | 1146 |
2000/1880 | 480 | 60 | 12 | 12 | B | 1745 |
2500/2380 | 480 | 60 | 16 | 16 | B | 2197 |