In order to support the oil and gas industry in complying with the US Department of Interior’s new regulations for immediate re-certification of subsea BOP (blow-out preventer) stacks, DNV has issued a Recommended Practise guiding owners and operators through requirements and technical aspects. As one of the responses to the Deepwater Horizon accident, the US Department of Interior former Minerals Management Service issued increased safety measures for energy development on the outer continental shelf. Oil companies have complained about the lack of clarity over the new rules. “To support the industry with guidance and a tool for the re-certification DNV…