Reamer Shoe (Single/Double Valve)
The COS Reamer Shoe is designed with a robust blade-cutting structure and diamond-shaped faces that guide casing and liners safely through challenging wellbore conditions. It supports both rotating and reciprocating applications, enabling casing to pass through ledges, swelling shales, mud cake buildup, or sand bridges with ease.
Key Benefits
- Ensures safe passage of casing and liners in difficult formations
- Reams out obstructions like mud cake, ledges, or swelling shale
- Reduces running problems and improves casing placement reliability
- PDC and rock bit drillable for easy removal
Features
- Aluminum eccentric guide nose climbs ledges and negotiates obstructions
- Cutting structure reams tight spots and wellbore restrictions
- High-strength profiled alloy nose anchors even in uncured cement for stability
- Chip breaker holes in nose assembly produce small, manageable cuttings, preventing bird nesting
- Compatible with all casing and liner hanger assemblies
- Available in sizes 4 ½” to 30”, with custom sizes on request
Applications
- Used in challenging wellbores with ledges, shale, or sand bridges
- Ideal for rotating/reciprocating casing operations
- Prevents casing damage and ensures effective cementing in complex formations
