Our Services
From subsea engineering to pipeline management, our services are designed to address the specialized needs of the oil and gas industry.
Ertha Subsea Services
Subsea Engineering
Design Analysis
Design Drawing & Specification
Ertha Subsea develops comprehensive pipeline engineering solutions in-house, supported by a broad global network.
Ertha Subsea offers comprehensive design analysis, optimizing subsea systems for safety, performance, and operational.
Our design drawing and specification services ensure accurate, detailed engineering plans.
Subsea Engineering
Ertha Subsea develops comprehensive pipeline engineering solutions in-house, supported by a broad global network. Our team brings extensive international experience and specialized knowledge across field development, subsea systems, pipelines and risers, subsea structures, floating platforms, and subsea cable technology to meet the unique needs of clients in the offshore and subsea industries.
Design Analysis
Subsea Pipelines
- • Offshore Pipeline Design
- • Pipeline Routing
- • Wall Thickness Calculations
- • Buckle Arrestors Design and Analysis
- • On-Bottom Stability Assessment
- • Freespan Analysis
- • Pipe-Soil Interaction
- • Onshore and Offshore Crossings
- • Expansion and Pipeline Walking Analysis
- • Insulation Design and Thermal Performance
- • Direct Electric Heating (DEH) Systems
- • In-Service Buckling Evaluation
- • Dropped Object Risk Assessment
- • Fishing Gear Interaction Analysis
- • Seismic Design and Geohazards Evaluation
- • Cathodic Protection Design for Landfalls
- • Fatigue Assessment and Life Extension Analysis
- • Pipeline Protection Systems
- • Flow Assurance Studies
Subsea Structure
- • Subsea Structures Design and Verification
- • Finite Element Analysis (FEA)
- • Installation Analysis
- • Subsea Structures Engineering
- • Inspection, Maintenance, and Repair (IMR) Risk Assessment
- • Geohazards and Structural Resilience Assessment
Subsea Cables
- • Insulation Design for Subsea Cables
- • Direct Electric Heating (DEH) Systems
- • Cable Protection and Routing
- • Seismic Design and Stability Analysis for Cables
- • Fatigue Assessment and Life Extension for Cables
- • Offshore Surveys and Risk Mitigation
Risers
- • Riser Design and Installation Analysis
- • Expansion and Pipeline Walking Analysis Specific to Risers
- • Fatigue Assessment for Risers
- • Pipe-Soil Interaction for Riser Systems
- • In-Service Buckling Evaluation for Risers
- • Pre-Commissioning and Commissioning of Risers
- • Decommissioning of Riser Systems
Design Drawing & Specification
Design Drawing
- • Pipelines / Cables Over All Field Layout
- • Pipeline Route Plan
- • Pipeline Alignment Drawing
- • Crossing Drawing
- • Platform Approach Drawing
- • Shore Approach Drawing
- • Riser General Arrangement Drawing
- • Onshore Pipeline Drawing
- • Typical Drawing
- Field Joint Coating Drawing
- Concrete Coating Drawing
- Anode Drawing
- Sleeper Drawing
- Road Crossing Drawing
- Isolation Joint Drawing
- • Riser Location Drawing
- • Clamp Location Drawing
Specification
- • Line Pipe Specification (SMLS)
- • Line Pipe Specification (SAW)
- • Subsea Flexible Pipeline
- • Concrete Coating Specification
- • Anti-corrosion Coating Specification (3LPE)
- • Anti-corrosion Coating Specification (3LPP)
- • Bend Specification
- • Barred Tee Specification
- • Field Joint Coating Specification
- • Pipeline Fitting Specification
- • Free Span Correction Specification
- • Installation Specification
- • Neoprene Coating Specification
- • Hydrotesting Specification
- • Cleaning, Pigging and Drying Specification
- • Caliper Pigging Specification
- • Pipeline Crossing Specification
- • Trenching Specification
- • Cable Ballast Specification
- • Anode Specification
Why Choose Us
Promoting responsible use of petroleum resources
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