China API Spiral Aluminium Alloy Rigid Casing Centralizers for Oil Well Cementing, Find details about China Spiral Aluminium Alloy Centralizers, Rigid Casing Centralizers for Oil Well from API Spiral Aluminium Alloy Rigid Casing Centralizers for Oil Well Cementing
Specification | casing size (mm) | Hole Size (mm) | Inner Diameter (mm) | Outer Diameter (mm) |
4-1/2″×6″ | 114 | 152 | 118 | 146 |
5"×6 5/8" | 127 | 168 | 131 | 162 |
5-1/2″×8-1/2″ | 140 | 216 | 142 | 210 |
7″×8 1/2″ | 178 | 216 | 182 | 210 |
7"× 9-1/2" | 178 | 241 | 182 | 235 |
9-5/8″×12-1/4″ | 244 | 311 | 248 | 305 |
13-3/8″×17-1/2" | 340 | 445 | 344 | 439 |