OD
casing (in.) |
Open
hole (bit size) (in.) |
OD
casing coupling (in.) |
Weight (lb/ft) |
ID (nominal) (in.) |
Drift (in.) |
Cemented? | TD range (m) |
20 | 24 | 21 | 94.0 | 19.124 | 18.936 | No | 40–80 |
16 | 20 | 17 | 75.0 | 15.124 | 14.936 | Cemented
below 20 in. casing |
40–80 |
13 | 17 | 14 | 54.5 | 12.615 | 12.456 | Yes | 300–700 |
10 | 14 | 10 | 40.5 | 10.050 | 9.894 | Yes | 500–1500 |
Note: Recommended casing configurations to avoid running an underreamer to create the open hole for the casing are 16:10 in. and 20:13 in.