API oilfield drilling casing Float Collar and Float shoe
Float collar and float shoe is one of the conventional and necessary accessories of lower casing string structure, usually connecting at the bottom of the tubing string and the Float Collar and Float Shoe is used to guide the casing to be put into the hole. It can adjust the floating power of the casing when the casing been laid in.
Size (in) | Bore O.D (in) | Bore I.D (in) | Min.Bore Parameter (in) | Thread Type | Ib (in 2) |
5 1/ 2” | 6” | 4 3/ 4” | 2” | 5 1/ 2” LCSG | 4351 |
7” | 7 5/ 8” | 6 1/ 4” | 2 3/ 8” | 7” LCSG | 3626 |
9 5/ 8” | 10 5/ 8” | 8 5/ 8” | 2 3/ 8” | 9 5/ 8” LCSG | 3626 |
13 3/ 8” | 14 3/ 8” | 12 3/ 8” | 2 3/ 8” | 13 3/ 8” LCSG | 3626 |