Marine Pipeline Engineering Course Program
Day 1
1.30 - Welcome and Introduction
2.00 Introductory video
Introduction to design sequence and its interaction with the different topics covered in the course. Film on construction and connection of an offshore pipeline.
3.00 System configuration (AP)
3.30 Route selection (AP)
Principles of route selection. Constraints imposed by oceanographic, geotechnical, environmental, safety and political factors. Case studies from Canada, Spain, England.
4.30 Shore approaches (AP)
Influence of coastal topography, geotechnics, tides and waves. Alternative construction techniques. Horizontal drilling and tunnels. Case studies.
5.00 Cocktail reception
Day 2
07.45 Coffee
08.30 Hydraulics and flow assurance (AP)
Single-phase flow, oil and gas; calculation of pressure drop and effect on optimal line size; influence of compressibility, temperature change and profile, two phase flow; flow regimes, correlations, profile effects, terrain-induced slugging, slugging in risers. Hydrates and wax.
10.00 Break
10.15 Design for strength (AP)
Internal pressure, code requirements. External pressure; bending; bending buckling; collapse and buckle propagation; denting and gouging; allowable strain design; impact damage.
11.15 Lateral and upheaval buckling (AP)
Driving force for upheaval and lateral buckling. Analysis of risk buckling. Alternative design and construction options to eliminate problems. Case studies.
12.15 Lunch
1.00 Carbon steel line pipe (RK)
Fabrication of API pipe. Increasing the strength of pipeline steel. Balancing strength, toughness and weldability.
2.00 Increasing corrosion resistance (RK)
Increasing the corrosion resistance of carbon steels. Limitations of use of solid corrosion resistant alloys. Internally clad pipe. Flexible pipe.
3.00 Break
3.15 Materials for sour service (RK)
Pipeline steels for sour service: sulfide stress cracking and HIC. Appropriate specification of pipe material.
4.00 Microbiological corrosion (RK)
Sulfate-reducing bacteria. Microbiological corrosion mechanisms. Evaluation of the problem. Housekeeping and treatment.
4.30 Close of day 2
Day 3
07.45 Coffee
08.00 Case study: King pipeline bundles (GH)
Key flowline design decisions. Key installation planning decisions. Pipelay installation review. Hydrotest and flowline startup review. Lessons learned.
This session will present in some detail the design, installation, and startup history of the King active-heated flowlines with emphasis on the key design decisions leading to the system configuration, installation planning and history, including problems encountered during installation, and post-installation problems.
09.45 Break
1 0.00 Inspection (RK/AP)
Inspection prior to and during installation and commissioning. Inspection in service. Intelligent pigging. Corrosion monitoring. Analysis of corrosion monitoring data.
10.45 Design for stability (AP)
Hydrodynamic forces on pipelines in steady and unsteady flow. Lateral resistance. Design for stability; RPE305 recommended practice. Interaction with seabed instability.
11.45 Environmental design criteria (AP)
Design currents. Waves. Geotechnics. Earthquakes.
12.30 Lunch
1.15 Internal corrosion (RK)
Sweet corrosion mechanisms: pitting and mesa attack. Evaluating a suitable corrosion allowance. Effects of flow on corrosion. Moderators of corrosion. Corrosion inhibition and its relation to flow morphology.
2.15 External corrosion and coatings (RK)
Coating for submarine pipelines: enamels, FBE, triple coats, extruded coatings and elastomers. Inspection of coating integrity. Concrete weight coatings. Field Joints and infills.
3.15 Break
3.30 Cathodic protection (RK)
Conjoint protection by coating and CP. Mechanism of CP. Design of sacrificial anode CP systems. Thermal effects on CP performance. Interactions between CP systems.
4.30 Close of day 3
Day 4
07.45 Coffee
08.00 Mishaps, risk and repair (AP)
Safety of marine pipeline systems. Case studies of failures. Quantitative risk assessment. Integrity management. Level of acceptable risk.
09.30 Break
09.45 Case study: Mardi Gras pipelines (BM) NEW
11.15 Introduction to design exercise (AP/RK)
11.30 Lunch
12.15 Design exercise (AP/RK)
The exercise allows delegates the opportunity to practice skills and lessons learned from the first two days. The lecturers will set and supervise the exercise. The participants will work in teams, and will present their conclusions.
2.15 Break
2.30 Design exercise (continued) (AP/RK)
3.45 Presentation of conclusions of design exercise (AP/RK)
4.15 Worked example: design exercise (AP/RK)
5.00 Close of day 4
Day 5
07.30 Case study: Thunder Horse pipelines and risers (RJB)
Pipe Bundles, Risers, Modeling Techniquies, Equipment
Demonstration of the 3-D model of BP’s Thunder Horse project. Selecting the equipment and procedures to optimize and reduce risk and cost of installation. Minimizing the equipment to launch, tow, position and execute tie-ins. Combining manifolds and weld slots in bundles with diverless tie-in-systems. Techniques for towed installation, wet storage and recovery of drilling and production risers. 2D and 3D installation modeling. Installation equipment.
10.00 Pipelay and Trenching (AP)
Trenching and burial methods jetting, mechanical cutting, ploughing, rock dumping, backfill, dredging. Case studies.
12.00 Lunch
12.45 Welding (RK)
Welding of carbon manganese pipeline steels. Welding of duplex and clad pipe. Inspection of weldments.
1.30 Spans (AP)
Description of span occurrence and possible systems. Analysis; vortex-excited oscillation, overstress, hooking. Span monitoring and correction.
2.00 Codes (AP)
Trends in code development. Limit State Designs. API RP1111. Dnv OS-F101.
2.30 Decommissioning (AP)
Legal framework. Legislation. Decay mechanisms. Methods of recovery. Alternatives to Recovery. Disposal materials. Costs.
3.00 Break
3.15 Current and future developments (AP/RK)
4.00 Presentation of certificates
4.15 Close
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The course will provide a complete and up-to-date overview of the area of marine pipeline engineering.
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