Floating production storage and offloading
Anna Nery is a floating production storage and offloading (FPSO) vessel co-owned by Malaysian FPSO leasing company Yinson (75%) and Japanese firm Sumitomo (25%).
It is currently under conversion at Cosco Changxing shipyard in Shanghai, China, for deployment in the Marlim field within the Campos basin, offshore Brazil by the second quarter of 2023.
Formerly known as FPSO Marlim 2, the Anna Nery FPSO is Yinson’s first asset in Brazil and also its largest project to date. Petróleo Brasileiro (Petrobras) contracted Anna Nery for operations in the Marlim field from 2023 to 2048.
The project is estimated to involve a total investment of approximately $5.4bn.
A long-term binding memorandum of understanding (MoU) was signed between Yinson and Sumitomo in April 2018 to jointly explore and collaborate for the leasing and operation of FPSO and floating storage and offloading unit (FSO) projects. Subsequently, the two parties concluded an agreement for the charter, operation, and maintenance of the FPSO Anna Nery for the Marlim revitalisation project in Brazil in April 2020.
Yinson secured the contract for the charter, operation and maintenance of the FPSO Anna Nery from Petrobras in October 2019.
The vessel sailed from the Cosco Qidong shipyard in Jiangsu, China, to Cosco Changxing shipyard in October 2020, marking the next stage of the construction. The first steel was cut at Zhuhai Jutal Offshore Oil Services yard in October 2020.
The FPSO will undergo two dry dockings and more conversion works at the Changxing shipyard where it will be based until the third quarter of 2021. It will then return to Qidong shipyard for the final phase of module lifting and integration.
The module assembly kicked off and 90% of the module review for all seven modules was completed in December 2020.
The Anna Nery FPSO project involves the conversion of the 2002-built VLCC MT Front Falcon crude oil tanker to the FPSO for operations in the Marlim field. The vessel will be installed approximately 150km off the Brazilian coast, where it will be anchored via spread mooring at a water depth of 930m.
The platform will have a production capacity of 70,000 barrels of oil per day (bopd), 250,000 barrels of liquid per day (blpd), 142 million metric standard cubic feet per day (Mmscfd) of gas and water injection capacity of 240,000 barrels of water per day (bwpd). The vessel will have a storage capacity of 1.6 million barrels.
The FPSO will be fitted with ABB Ability™ System 800xA control system with Select Input/Output (IO), an ethernet-based, single-channel input output system. All production modules will be integrated into a combined integrated safety and control system (ICSS).
The vessel will be installed with two reverse osmosis systems capable of producing 70,000l of fresh water and 30,000l of technical water per day. The compressed air system will include four large-capacity service and instrument air compressors with associated air dryers and filters. The Anna Nery FPSO will be fitted with four RB-type compressor trains (two RB 56-4+4 and two RB 28-7) for gas production and export. The trains will feature hydraulic, variable-speed gearboxes powered by an electric motor. Type CP200/CP128/B85 double-screw compressor trains, driven by fixed-speed electric motors, will serve as vapour-recovery units.
MAN Energy Solutions received the contract to supply the centrifugal-compressor trains and two screw-compressor trains in June 2020.
Royal IHC was awarded the contract to provide a tandem mooring and offloading system and a riser pull-in system in August 2020 while ABB was selected to deliver electrical, control and telecommunication equipment and services.
Aragon was contracted to perform the engineering, procurement and construction of seven modules for the gas treatment, gas compression, utilities and flare systems, in September 2020 while TMC Compressors was chosen to supply the compressed air system.
Hatenboer-Water secured a contract to supply the reverse osmosis systems, in October 2020. Frames Group was awarded the supply contract for the chemical injection systems, an electrostatic coalescer, a high-integrity pressure protection system (HIPPS), and a sub-sea hydraulic power unit.
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