API standard 7" casing float collar float shoe

Size (in) Bore O.D(in) Bore ID(in) Min.Bore parameter(in) Thread type Ib(in2) Float collar 5 1/2" 6" 4 3/4" 2" BTC,LTC,STC 4351 7" 7 5/8" 6 1/4" 2 3/8" BTC,LTC,STC…