Brand Name : Puyang Zhongshi Group
Model Number : 4 1/2"~20"
Certification : API,ISO,QHSE
Place of Origin : China
MOQ : 1
Price : Negotiable
Payment Terms : T/T, MoneyGram
Delivery Time : depends on quantity
Packaging Details : Wooden Box
Type : Hinged Non-welded
Size : 4 1/2~20"
Installation : Slip-on Type
Crest : Single Crest
Vane : 4-8
Roller : 6~8 or depends
Rigid Roller Casing Centralizer
Rigid Roller Casing Centralizerare designed in rigid body with straight or spiral blades. Rollers provide low drag to get casing, liners, or screens to bottom successfully with reduced rig time and costs.Minimal roller-contact area in open hole applications reduces the risk of differential sticking and provides optimal standoff for increased operational efficiency.
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 |
Rigid Roller 5"×6 5/8" API Rigid Centralizer Images |