• Desktop studies;
• Analogue and Digital Well Site Survey;
• Geophysical Route and Area survey;
• Pre-engineering, Pre-lay and Post-lay Pipeline, Cable and Umbilical Route survey;
• Seabed Inspection survey;
• As-laid and As-built survey;
• Shallow Geotechnical Investigation (Grab samples, Gravity Corer, Piston Corer, Vibro Corer and CPT);
• Land Topographic survey;
• Environmental and Oceanographic measurements;
• Data evaluation & Processing (online/offline).
Subsea Services provided cont
YMS Subsea division
YMS Subsea services
Provides marine asset management for the offshore market. Our expertise is rooted in a rich marine legacy and our global network ensures we are perfectly poised to manage your offshore and marine assets all over the world.
YMS Subsea provide full life services to fixed and floating assets anywhere you need us. Inspections and maintenance of FPSO’s, Platforms, Drill ships including subsea pipe and flow lines.
YMS Subsea are well positioned in all Tunisian ports, with our head office in Tunis. With our vast experience in the logistical management of FPSO’s, oil rigs, drill ships, crane/accommodation barges and supply vessels,
YMS Subsea services overview:
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1. Marine Surveys
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2. ROV Intervention• Subsea Structure, Pipeline, Cable and Umbilical Inspection and monitoring;
• Inspection Repair & Maintenance (IRM) of underwater pipelines, cables, platforms and subsea structures;
• Non Destructive Testing (NDT) including Pulse Eddy Current (PEC);
• Bathymetric and geophysical survey;
• As-laid and As-built surveys;
• Pipelines & cables trenching support and assistance to seabed stabilisation, free span corrections, protection;
• Wreck Inspection;
• Seabed Cleaning and Debris removal
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1. AIR and SATURATION DIVING SERVICES Intervention• Non Destructive Testing (CVI, MPI, FMD, WTM, CP etc...)
• Construction and installation of risers and “J” tubes;
• Fibre optic and power cable installation;
• Protection features installation;
• Free-spans correction;
• Spool metrology and installation (>48”);
• Decommissioning activities;
• Installation assistance;
• Recovery of redundant flow lines & SBM (SPM) maintenance;
• FPSO Turret maintenance and hose changes.
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2. SUBSEA CONSTRUCTION INSTALLATION ASSISTANCE• Assistance during flooding operations;
• Concrete Mattresses / Sand bags Installation and Removal;
• Platform Jacket Appurtenance Installation (Spool, Risers, J-Tube, anodes, clamps etc…);
• Subsea Pipeline Features Installation (anode, Smart Flange, clamps etc…);
• Hot-Tapping Preparation and Installation;
• Umbilical Installation;
• Assistance during Platform / Template Installation;
• Assistance during Subsea Structures Installation (SSIV, PLEM, PLET etc…)
Yassine Marine is Certified :
POST-TRENCHING, STABILIZATION and PROTECTION
- Submarine burial and trenching equipment can be tailored to suit any customer/project requirements up to 42” OD;
- YMS Subsea avails itself of a R&D department capable of designing and manufacturing PTMs dedicated to great diameters pipelines and/or special projects;
- Specialised state-of-the-art equipment allows efficient interventions both in deep and shallow waters;
- High pressure water jetting machines (dedicated to loose soil), and mechanical trenching machine (dedicated to cemented soils and rock formations) can be upgraded and adapted to face particular geological conditions;
- All the PTMs are equipped with a wide range of sensors and tools allowing the Pilot to have a full and “in real time” control
POSITIONING SERVICES
and R.O.V. ASSISTANCE
- Drilling Ships
- Semisubmersible Drilling Platforms
- Jack-Up Drilling and Workover platforms
- Barges
- Survey Vessels
- Subsea Template Structures
- Anchor Handling Services
YMS SUBSEA
Yassine Marine Services (YMS) provide quality Marine Inspection and support Services YMS offers a portfolio of solutions and services to address today’s need for increased asset integrity. YMS integrates best of breed technologies that cover the full spectrum of quality inspection equipment and cutting edge technology, linked to the rapidly expanding development of subsea inspections. Our innovative managed solutions offers customers the ability to embrace the very latest in technological advancements. Implementing the right technology for your business will increase operational capabilities, whilst ensuring considerable cost savings through improvements in safety, security and efficiency
whilst ensuring considerable cost savings through improvements in safety, security and efficiency
- Diving Services & Inspections
- ROV Services & Inspections
