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Tuesday, July 5, 2016
The partners on the Jubilee field offshore Ghana have been working on establishing a “the best long-term” solution for the turret bearing issue on the FPSO Kwame Nkrumah. According to Kosmos Energy based on the work undertaken since February the plan is to convert the FPSO to a permanently spread morred facility, the offtake from the facility would be through a new deepwater offloading buoy. The partners are now working with the government of Ghana to seek their approval for this option.
The first phase of this work will involve the installation of a stern anchoring system to replace the three heading control tugs currently in the field, and this is expected to be complete by the end of 2016 and will require short periods of reduced production. A planned second phase of work to remove the load of the turret and risers from the bearing to allow the FPSO to be rotated to its optimal spread moor heading should take place in H2 2017. These phases of work are expected to cost approximately $100-150 million gross and it is estimated that the Jubilee FPSO will need to be shut down for 8-12 weeks during H1 2017.
Upon completion of the spread mooring work program, production is expected to return to the levels achieved before the turret bearing issue occurred. The partners will review potential opportunities to improve the efficiency of offtake procedures, which may include the use of a larger DP shuttle tanker.
The deepwater offloading buoy, anticipated to be installed in H1 2018, will restore full offloading functionality and remove the need for the DP shuttle and storage tankers and associated operating costs. Market enquiries are currently ongoing to estimate the cost and schedule for the fabrication and installation of this buoy.
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