Non Weld Centralizers with Turbo Fins(S-30) |
 Available in the size range 4½" to 20", this sturdy non-weld device induces a spiral flow pattern in the slurry thereby increasing displacement efficiency. Fitted with specially designed multi-direction turbo fins made of alloy steel in annealed state this device improves the cleaning action of drilling fluids, distributes the cement slurry into wellbore irregularities and minimizes channeling |
| Non Weld Centralizers with Turbo Fins (S 30) |
Casing Size |
Bow Type |
Maximum OD |
Casing Size |
Bow Type |
Maximum OD |
in. |
in. |
mm. |
in. |
in. |
mm. |
4 ½ |
BST-0 |
6.579 |
167.1 |
9 ⅝ |
BST-0 |
11.748 |
298.4 |
BST-1 |
6.972 |
177.1 |
BST-1 |
12.142 |
308.4 |
BST-2 |
7.524 |
191.1 |
BST-2 |
12.693 |
322.4 |
BST-3 |
9.256 |
235.1 |
BST-3 |
14.425 |
366.4 |
BST-4 |
10.752 |
273.1 |
BST-4 |
15.921 |
404.4 |
5 |
BST-0 |
7.098 |
180.3 |
10 ¾ |
BST-0 |
12.902 |
327.7 |
BST-1 |
7.492 |
190.3 |
BST-1 |
13.295 |
337.7 |
BST-2 |
8.043 |
204.3 |
BST-2 |
13.846 |
351.7 |
BST-3 |
9.776 |
248.3 |
BST-3 |
15.579 |
395.7 |
BST-4 |
11.272 |
286.3 |
BST-4 |
17.075 |
433.7 |
5 ½ |
BST-0 |
7.614 |
193.4 |
11 ¾ |
BST-0 |
13.898 |
353.0 |
BST-1 |
8.008 |
203.4 |
BST-1 |
14.291 |
363.0 |
BST-2 |
8.559 |
217.4 |
BST-2 |
14.843 |
377.0 |
BST-3 |
10.291 |
261.4 |
BST-3 |
16.575 |
421.0 |
BST-4 |
11.787 |
299.4 |
BST-4 |
18.071 |
459.0 |
6 ⅝ |
BST-0 |
8.728 |
221.7 |
13 ⅜ |
BST-0 |
15.567 |
395.4 |
BST-1 |
9.122 |
231.7 |
BST-1 |
15.961 |
405.4 |
BST-2 |
9.673 |
245.7 |
BST-2 |
16.512 |
419.4 |
BST-3 |
11.406 |
289.7 |
BST-3 |
18.244 |
463.4 |
BST-4 |
12.902 |
327.7 |
BST-4 |
19.740 |
501.4 |
7 |
BST-0 |
9.126 |
231.8 |
16 |
BST-0 |
18.193 |
462.1 |
BST-1 |
9.520 |
241.8 |
BST-1 |
18.587 |
472.1 |
BST-2 |
10.071 |
255.8 |
BST-2 |
19.138 |
486.1 |
BST-3 |
11.803 |
299.8 |
BST-3 |
20.870 |
530.1 |
BST-4 |
13.299 |
337.8 |
BST-4 |
22.336 |
568.1 |
7 ⅝ |
BST-0 |
9.760 |
247.9 |
18 ⅝ |
BST-0 |
20.854 |
529.7 |
BST-1 |
10.154 |
257.9 |
BST-1 |
21.248 |
539.7 |
BST-2 |
10.705 |
271.9 |
BST-2 |
21.799 |
553.7 |
BST-3 |
12.437 |
315.9 |
BST-3 |
23.531 |
597.7 |
BST-4 |
13.933 |
353.9 |
BST-4 |
25.028 |
635.7 |
8 ⅝ |
BST-0 |
10.756 |
273.2 |
20 |
BST-0 |
22.248 |
565.1 |
BST-1 |
11.150 |
283.2 |
BST-1 |
22.642 |
575.1 |
BST-2 |
11.701 |
297.2 |
BST-2 |
23.193 |
589.1 |
BST-3 |
13.433 |
341.2 |
BST-3 |
24.925 |
633.1 |
BST-4 |
14.929 |
379.2 |
BST-4 |
26.421 |
671.1 |
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