MABOQUEIRO PROJECT - ROLLUP JACKET
A Jacket platform is an offshore structure made of tubular steel components, designed to be anchored to the seabed using piles. These platforms are primarily used for the exploration and production of hydrocarbons and are ideal for operation at depths of up to 300 meters. The support legs of the platform are initially constructed on land and are then lifted and rotated 90 degrees during a process known as "Roll up."
The assembly operation of Jacket platforms for oil rigs involves several key phases:
Initial Design: Engineers develop the design of the Jacket structure, taking into account technical specifications, environmental conditions, and safety requirements. Every aspect is carefully planned to ensure the platform’s functionality and stability.
Component Production: The steel tubular components and other structural elements are manufactured according to the design specifications. Each individual component undergoes rigorous quality checks and testing to ensure it meets the safety and durability standards required for offshore operations.
Onshore Assembly: Some sections of the Jacket are pre-assembled onshore to optimize time and simplify the final assembly process. Afterward, the necessary equipment and structures are prepared for the lifting and transportation of the platform.
After the Roll up of the Jacket, several crucial phases follow:
Loading onto Transport Vessels: The pre-assembled structure is loaded onto specially designed ships or barges for offshore transport. These vessels are equipped to ensure the safe transport of the Jacket to the installation site, addressing challenges posed by marine conditions.
Offshore Installation and Assembly: Once at the destination site, the Jacket is positioned vertically in the water near its final location. Here, the Jacket will be securely anchored to the seabed. During this phase, the necessary connections for electricity, communication systems, and other infrastructure are made to ensure the platform is fully operational.
Inspections and Testing, Safety Inspections: After installation, detailed inspections are conducted to verify the structural integrity of the Jacket and ensure all operations comply with safety standards. Testing is performed to confirm that all structures and systems function properly and safely, ensuring the long-term reliability and safety of the offshore platform.
Engineering, Procurement, and Construction of the complete platform (Jacket structure, Deck, Flare, 4 foundation piles), supply of mechanical equipment and piping systems, chemical and process skids, packages, installation of electrical/instrumentation systems, painting and insulation, including shelters and E/I technical room, onshore testing and pre-commissioning, sea loading and securing, hook-up, and commissioning up to start-up assistance. Deck: 1400 tons, Jacket: 2000 tons, Piles: 2000 tons.
Rollup Jacket
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