Seal Stem Assembly – Tie-Back / Polish Bore Receptacle (TBR / PBR)
Product Overview
The Frontier Seal Stem Assembly provides a reliable sealing interface for tie-back or polish bore operations in liner hanger completions. Engineered for durability and precision, it ensures secure pressure containment and smooth retrieval in both standard and HPHT environments. Available in multiple lengths and material grades to accommodate diverse completion designs.
Key Features
- Standard lengths of 10, 15, or 20 ft; custom lengths available
- High-pressure rated for up to 14,800 psi burst and 13,100 psi collapse
- Available in P110 and other metallurgy grades upon request
- Compatible with standard running equipment
- Optional bottom or top locate configurations
Applications & Completion Scenarios
- Liner tie-back operations in cased-hole completions
- Extended-length seal assemblies for deep or high-pressure wells
- Completions requiring customizable seal stack configurations
Advantages
- Multiple length options streamline design for varied liner depths
- High-pressure integrity ensures dependable performance in HPHT wells
- Compatible with multiple elastomer and thermoplastic seal options
Compatibility
Compatible with Frontier Titan™ and Atlas™ liner hanger systems, as well as standard tie-back assemblies and cemented or non-cemented configurations.
Technical Specifications
Operational Parameters
| Parameter | Specification | ||
|---|---|---|---|
| Liner Size | 4.5" | 4.5" | 4.5" |
| OD | 5.75" | 5.69" | 5.69" |
| Seal Bore ID | 5.00" | 5.00" | 5.00" |
| Seal Bore Length | 140.50" | 200.50" | 260.50" |
| Seal Bore Active Length | 10 ft | 15 ft | 20 ft |
| Burst Pressure | 14,800 psi | 13,000 psi | 13,000 psi |
| Collapse Pressure | 13,100 psi | 11,600 psi | 11,600 psi |
| Threads | Shear Wire | Shear Wire | Shear Wire |
| Material | P110 | P110 | P110 |