The invention discloses a semi-submersible production platform mooring anchor chain transmitting and tie-back method which comprises the following steps: S1, transmitting an information chain temporarily suspended and fixed on a semi-submersible production platform to a platform crane by using the semi-submersible production platform crane; s2, salvaging the mooring anchor chain which is wet in the seabed by the workboat, entering the operating radius range of a semi-submersible production platform crane, and keeping a certain safe operating distance from the platform; s3, the semi-submersible production platform crane transmits the information chain to the workboat; s4, the mooring anchor chain and the information chain are connected together by installing a chain ring on the deck of the workboat; s5, the workboat uses a towing winch to put down the connected mooring anchor chain, and the semi-submersible production platform anchor gear synchronously recovers the information chain; and S6, the semi-submersible platform anchor gear continues to recycle the information chain and the mooring anchor chain till the mooring anchor chain is recycled to the designed position, and the mooring anchor chain is locked through a chain stopper. The engineering ship is matched with the semi-submersible platform, and the mooring anchor chain can be safely and efficiently transmitted and connected back.
本发明公开了一种半潜式生产平台系泊锚链传递与回接方法,包括以下步骤:S1、使用半潜式生产平台吊机,将临时悬挂固定在半潜式生产平台的信息链传递至平台吊机;S2、作业船打捞湿存在海底的系泊锚链,进入半潜式生产平台吊机作业半径范围,并与平台保持一定的安全作业距离;S3、半潜式生产平台吊机将信息链传递给作业船;S4、在作业船甲板通过安装链环将系泊锚链和信息链连接至一起;S5、作业船使用拖带绞车下放连接完成后的系泊锚链,半潜式生产平台锚机同步回收信息链;S6、半潜平台锚机继续回收信息链和系泊锚链,直至将系泊锚链回收至设计位置,并用止链器锁止。本发明工程船与半潜平台相互配合,能够安全高效的进行系泊锚链的传递与回接。
Transfer and tie-back method for mooring anchor chain of semi-submersible production platform
一种半潜式生产平台系泊锚链传递与回接方法
2023-09-15
Patent
Electronic Resource
Chinese
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