Course: Subsea Survey, Positioning & Installation and Introduction to Subsea Control system
Duration: 5 Days
Aims
- A1. To explain the basis, significance and application of subsea surveying techniques.
- A2. To provide the knowledge required to understand the factors influencing the installation of subsea equipment including the effects of geotechnics.
- A3. To explain the methods and equipment used for subsea installation of pipelines, risers and umbilicals.
Outline Of Syllabus
- Subsea Surveying and Geomatics : Introduction to the principles of subsea surveying and geomatics including bathymetry and seismic surveys, positioning systems (surface positioning, visual positioning, GPS and electromagnetic positioning techniques.
- Offshore Geotechnics : Relevance of geotechnics to subsea engineering, including soil and rock formation, types of soil and rock, seabed stability and scour, trenching and protection.
- Trenching and Backfill Equipment: Trenching, backfill and piling operations subsea, including the equipment used and the operation factors considered for a successful operation.
- Installation of Fixed and Flexible Pipelines and Umbilicals: Pipelay techniques including J-lay, S-lay, reel-lay,
towing and umbilical lay, detailing the principles of design for installation and including the procedures and equipment used for installation.
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Course Outline
Day 1 – Offshore Hydrography & Site Investigation
- Introduction to Hydrography
- IHO
- Site Investigation
– Geotechnical
– Geophysical - Report Writing
- Dredging
Day 2 – Subsea Survey, Positioning & Metrology
- Positioning Techniques
- Types of Survey Sensors
- Acoustic Positioning System
- Applications
– Structure Installation
– Subsea Metrology - Accuracy and Repeatability
Day 3 – Offshore Structures – Design, Transportation & Installation
- What are Subsea Structures?
- Who is a Subsea Installation Engineer?
- What do they do?
- Phases of Subsea Structures Installation
- Subsea Vessel Selection
- Basic Subsea Installation mathematics
Day 4 – Offshore Structures Installation – Typical Pipeline Project Illustration
- Concept Selection & Front End Engineering Design
- Detailed Design
- Procurement
- Fabrication
- Installation
- Commissioning, tie ins, protection
Day 5 – Subsea Control System
- Introduction to Subsea Control Systems
- Types of Control System
- Where does the Control Systems fit Subsea
- Control System Architecture
Structure
The Subsea Survey, Positioning & Installation and Introduction to Subsea Control system course is based on a 5 days training period and consists of 2 elements:
1. Five-days classroom modules to obtain theoretical knowledge of the relevant material
2. Real time operational videos that enable attendees to develop a practical understanding of systems, operations and procedures
