发明名称 FLOATING OFFSHORE FACILITY AND A METHOD FOR DRILLING A WELL
摘要 A floating offshore facility for offshore hydrocarbon production, comprising an upper deck, a lower deck, a well bay comprising a plurality of drilling slots and a plurality of production slots surrounding said drilling slots, a cart supporting a drilling riser and being movable together with said drilling riser inside the opening of the plurality of the drilling slots, and a drilling rig movable above the well bay to drill the well through the drilling riser.
申请公布号 US2014318863(A1) 申请公布日期 2014.10.30
申请号 US201414329361 申请日期 2014.07.11
申请人 TOTAL SA 发明人 Labrugere Philippe
分类号 E21B7/128;B63B35/44 主分类号 E21B7/128
代理机构 代理人
主权项 1. A floating offshore facility for offshore hydrocarbon production, wherein the offshore facility comprises: an upper deck and a lower deck, a well bay located on the lower deck, said well bay being composed of a plurality of drilling slots and a plurality of production slots surrounding said drilling slots, each production slot being adapted to receive a production riser after a well is completed at a drilling slot neighbour of said production slot, the plurality of drilling slots forming one opening inside the lower deck, a drilling riser extending from a drilling slot to the well, a cart supporting said drilling riser and being movable together with said drilling riser inside the opening, and a drilling rig located above the upper deck, said drilling rig being movable above the well bay so as to be positioned in alignment above the cart to allow to drill the well in using the drilling riser inside the drilling slot, and wherein the cart comprises a tension assembly to maintain a tension force on the drilling riser that pulls up the drilling riser to the cart, said tension assembly being movable by the cart inside the opening together with the drilling riser inside the opening, and the facility further comprises a blow out preventer device connected above the drilling riser, said blow out preventer device being movable by the cart inside the opening together with the drilling riser without disconnecting it from the drilling riser.
地址 Courbevoie FR