Material & construction
Heat-treated spring-steel bows between steel end collars.
WOG-610 / Casing centralization
Bow-spring Casing Centralizer
Maintains casing standoff for cement placement in suitable well sections.
| Casing OD | 4-1/2 / 5-1/2 / 7 in (114.3 / 139.7 / 177.8 mm) |
|---|---|
| Structure | Welded bow springs; slip-on or hinged collars |
| Primary control | Starting/running force and restoring force |
| Fit selection | Casing OD plus open-hole/restriction diameter |
Reference selections, not verified supplied-model ratings.
View catalogue page 25 ↗Options & acceptance
Existing bow height and end-collar configurations; select qualified stop collars.
Application & RFQ details
RFQ: casing OD, minimum restriction, hole size, inclination and target standoff. Confirm compressed clearance and measured force curves; centralizer count/spacing requires well-specific engineering.
Standards & documents
API 10D/ISO 10427-1 performance evidence where applicable; do not infer validation from appearance.
Packing
Nested only when springs cannot be damaged; banded pallets with protected bows.
Related products
WOG-611
Rigid Spiral-blade Casing Centralizer
Provides fixed standoff where rigid centralizers can pass the wellbore restrictions.
Specifications & details ↗
WOG-612
Set-screw Casing Stop Collar
Axially locates compatible casing centralizers and selected cementing accessories.
Specifications & details ↗