This paper gives a brief introduction of underwater soft yoke mooring system,summarizes water injection jumper hose change out between FPSO and SPM by two tug boats instead of a barge.

• 介绍渤海曹妃甸油田FPSO/SPM系泊方式,总结中国首次利用拖船代替平板驳船,成功完成外转塔水下软连接系泊方式下的注水跨接软管更换的设计与施工经验。