Page 10 - GLNG Week 12 2022
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GLNG                                             OCEANIA                                               GLNG






































       Shell cleared to restart Prelude



       FLNG by Australian regulator





        PROJECTS &       AUSTRALIA’S National Offshore Petroleum   NOPSEMA ordered Shell to keep LNG
        COMPANIES        Safety and Environmental Management Author-  production offline until it can “demonstrate to
                         ity (NOPSEMA) on March 18 gave approval for  NOPSEMA’s satisfaction that the facility can
                         Shell’s Prelude floating LNG (FLNG) vessel to  safely recover essential power and associated
                         resume operations. The 488-metre ship – the  essential services following a loss of power, and
                         world’s largest FLNG vessel – experienced a total  that the safety systems and essential support sys-
                         power outage in early December 2021 and was  tems operate to maintain safety of personnel”.
                         subsequently ordered to suspend operations by   Shell has since had to provide evidence that
                         the regulator.                       the vessel can resume work without risk to the
                           It is not yet clear when LNG and liquids pro-  health and safety of the crew.  Shell has since
                         duction will restart. Prelude was years behind   According to the WA Today newspaper, the
                         schedule with its initial start-up and made its  trouble began “when a small fire triggered an   had to provide
                         first LNG shipment in July 2019. The vessel has a  emergency shutdown that depressurised the
                         capacity to produce 5.3mn tonnes per year (tpy)  Prelude’s complex plant by sending huge quanti-  evidence that
                         of liquids, which includes 3.6mn tpy of LNG,  ties of gas to a flare tower to be burnt”. The daily
                         1.3mn tpy of condensate and 400,000 tpy of LPG.  said that with no gas to generate power, Prelude   the vessel can
                           Prelude is located in the Browse Basin, 475  turned to three diesel backup units that failed to   resume work
                         km north-west of Broome, Western Australia.  work properly. While the fire was quickly extin-
                         The facility was built in South Korea by Samsung  guished, the numerous complex safety systems   without risk to
                         Heavy Industries and cost $20bn to bring into  on board failed to provide reliable power. “Crew
                         operation. Shell holds 67.5% in the vessel’s joint  reported temperatures as high as 45 degrees in   the health and
                         partnership, with Japan’s Inpex owning a 17.5%  their living quarters, with humidity making it
                         stake. Korea Gas (KOGAS) holds 10% and Tai-  difficult to walk on the wet floors. Some crew   safety of the
                         wan’s CPC has the remaining 5%.      worked 30-hour shifts to fix a cascade of techni-  crew.
                           Prelude experienced a total loss of power on  cal problems,” the newspaper reported.

                         December 2, and was unable to restore power   Circumstances led to the evacuation of more
                         adequately over a period of three days, prompt-  than half of the 300 crew members, with several
                         ing a team from NOPSEMA to visit the vessel  having to be treated for heat exhaustion.
                         and subsequently order it to shut down.  A spokesperson for Shell said: “We will con-
                           The event also caused a stoppage for process-  tinue to work methodically through the stages
                         ing equipment needed to effectively manage the  in the process to prepare for hydrocarbon restart
                         LNG stored onboard the vessel.       with safety and stability foremost in mind.”™



       P10                                      www. NEWSBASE .com                         Week 12   25•March•2022
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