DNV GL releases new recommended practice (RP) for subsea pumping systems

dnvsubseaA new DNV GL recommended practice (RP) has unlocked new opportunities for the oil and gas sector to deliver more cost-efficient and environmentally friendly subsea processing for improved hydrocarbons recovery

DNVGL-RP-F303 Subsea pumping systems provides a comprehensive specification for subsea pumping systems and complements existing industry standards. The RP can also serve as a contractual reference document between purchasers and suppliers and recommends roles and responsibilities among the parties in the value chain to increase efficiency.

The RP has been published following a joint industry project including participants from subsea operators Equinor, Petrobras, Shell and Woodside in addition to four major systems suppliers; Aker Solutions, Baker Hughes, OneSubsea, and TechnipFMC. The project sought to address several obstacles to subsea processing and pumping. These include overcoming the sector’s perceived novelty and unfamiliarity of subsea processing technology, which can prevent new projects from being sanctioned, even though the concept is proven.  

Lower emissions and the decarbonisation of processes are the benefits of adopting energy-efficient subsea processing systems when compared to conventional upstream facilities.  This is due to the reduction in topside equipment and use of less electrical power when boosting closer to the wellhead.

“Fields frequently operate tailor-made subsea solutions involving extensive technology qualification programmes. Special installation tools are needed, often on specialised vessels. The thinking behind the joint industry project was to increase alignment and predictability of requirements for subsea pumping projects. This can open the door to repeat projects and the reuse of qualified technology, which can reduce costs and address the perception of technology risk,” said Kristin Berg, head of Section, Subsea Technology, DNV GL – Oil & Gas.

“Investment in subsea oil and gas production is growing rapidly as the industry realises the significant cost efficiencies the technology can bring compared with traditional approaches to production. The challenge is that everyone is implementing subsea systems slightly differently, creating the potential for cost inflation in the supply chain,” said Liv A. Hovem, CEO, DNV GL – Oil & Gas.

“Starting with subsea pumping, this new RP works towards standardising this sector from the outset to keep costs optimal for the long term.” 

 

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