Downhole Tools
Casing Stop Collar for Cementing Safety
Stop Collar is also called limit ring, stop ring, brake ring and so on. Used to limit the sliding of the centralizer or cement umbrella on the inner casing. There are slip-on stop collar, hinged spiral nail stop collar, hinged bolted stop collar and hinged set screw stop collar and so on.
| Type: | slip-on, hinged spiral nail, hinged bolted, hinged set screw |
| Casing size O.D.: | 4-1/2 ~ 20 in (114~ 508 mm) |
| Stop collar size O.D.: | 131 ~ 540 mm |
| Stop collar height: |
50 ~ 210 mm |