Pipeline Repair & Tie-In Services Precision Subsea Pipeline Solutions
Comprehensive Pipeline Services
Tethys Plantgeria delivers engineered solutions for subsea pipeline repair, modification, and tie-in operations. Our certified teams combine advanced diving systems with ROV technology to execute complex interventions with minimal production downtime.
Pipeline Repair Services
- Mechanical clamp installations
- Hyperbaric weld repairs (SAT diving)
- Pipeline free span correction
- Anode retrofit on damaged sections
- Emergency leak containment
Tie-In & Spool Installation
- Hot tap and stopple installations
- Flanged and welded spool connections
- As-built metrology surveys
- ROV-assisted alignment
- Hydrotest and commissioning
Our Pipeline Intervention Process
Assessment
ROV/diver inspection
CP potential survey
Wall thickness measurement
Engineering
Spool piece design
Stress analysis
Procedure development
Execution
Isolation/dewatering
Spool installation
Welding/clamping
Verification
NDT testing
Hydrostatic test
As-built documentation
Technical Capabilities
Repair Methods
- Class-approved mechanical clamps (up to 48")
- Hyperbaric welding (Saturation diving systems)
- Composite repair systems (API 1176 compliant)
Tie-In Specifications
- Spool pieces up to 24" diameter
- Working depth to 300m (diver-assisted)
- Hot tap capability on live pipelines
Project Experience
Emergency clamp installation on damaged export line in 85m water depth
Installation of 18" spool pieces with hyperbaric welding at 120m
Live pipeline connection without production shutdown
Need Pipeline Intervention Services?
Our team specializes in complex subsea pipeline repairs and tie-ins with minimal production impact.