"Premium" casing tubes |
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Employed in rotary drilling with fluid circulation in particularly
difficult soil. Manufactured with cold-drawn seamless steel
tubing with box/pin end threadings.
Heavy duty casing is also available where tubings have a greater
thickness compared to the standard kind.
Penetration of the soil is obtained by using a casing shoe
having tungsten carbide inserts or a diamond core bit.
O.D.
(mm.) |
I.D.
(mm.) |
Lengths
(mm.) |
Weight
Kg./m. |
44 |
37 |
750-1500-3000 |
3,2 |
54 |
47 |
750-1500-3000 |
4,5 |
64 |
57 |
750-1500-3000 |
5,2 |
84 |
77 |
750-1500-3000 |
7,2 |
98 |
89 |
750-1500-3000 |
10,5 |
114 |
104 |
750-1500-3000 |
13,5 |
127 |
107 |
750-1500-3000 |
28,9 |
133 |
113 |
750-1500-3000 |
30,3 |
152 |
132 |
750-1500-3000 |
35,1 |
178 |
153 |
750-1500-3000 |
51,3 |
194 |
169 |
750-1500-3000 |
56 |
203 |
178 |
750-1500-3000 |
58,7 |
219 |
194 |
750-1500-3000 |
63,7 |
244 |
219 |
750-1500-3000 |
71,5 |
254 |
229 |
750-1500-3000 |
74,4 |
|
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Casing shoe
Tube
size |
44 |
54 |
64 |
84 |
98 |
114 |
127 |
133 |
152 |
178 |
194 |
203 |
219 |
244 |
254 |
Hole
size |
46 |
56 |
66 |
86 |
101 |
116 |
130 |
137 |
156 |
181 |
197 |
206 |
222 |
248 |
258 |
|
 |
 Casing
adaptor
They allow for casing tube-drive head connection.
Double haul head/tubes drill pipes
They allow to rotate the casing tubes and drill pipes contemporarily
with one sole drive head with a rugged system of J-Slot pins.
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