Cementing baskets protect weak formations from hydrostatic pressures exerted by the weight of cement columns. Baskets are run above weak formations on casing,tubing, and liner strings and can be used in single- or multistage cement jobs. Each basket is made of a high-strength metal and features overlapping fins to provide maximum flexibility and fluid passage while maintaining optimum support characteristics.
Cementing baskets are available in hinged or slip-on configurations and should be installed over stop collars to prevent axial movement.
| Casing size | NO. of Bows | Total Length | Basket O.D. | Min. Hole Size |
|---|---|---|---|---|
| 4 -1/2” | 10 | 24 1/2” | 12 1/2” | 6” |
| 5” | 10 | 24 1/2” | 13” | 6” |
| 5 – 1/2” | 12 | 24 – 1/2” | 13 – 1/2” | 7 – 1/4” |
| 6 – 5/8” | 12 | 24 – 1/2” | 14 – 5/8” | 8 – 3/8” |
| 7” | 14 | 24 – 1/2” | 15” | 8 – 3/8” |
| 7 – 5/8” | 14 | 24 – 1/2” | 15 – 5/8” | 9 – 1/2” |
| 8 – 5/8” | 16 | 24 – 1/2” | 16 – 5/8” | 10 – 5/8” |
| 9 – 5/8” | 18 | 24 – 1/2” | 17 – 5/8” | 11 – 5/8” |
| 10 – 3/4” | 18 | 24 – 1/2” | 18 – 3/4” | 12 – 3/4” |
| 11 – 3/4” | 20 | 24 – 1/2” | 19 – 3/4” | 13 – 3/4” |
| 11 – 3/8” | 24 | 24 – 1/2” | 21 – 3/8” | 15 – 1/2” |
| 16” | 28 | 24 – 1/2” | 24” | 18” |
| 18 – 5/8” | 34 | 24 – 1/2” | 26 – 5/8” | 20 – 5/8” |
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