| 摘要 |
A flowline jumper handling apparatus for supporting a flowline jumper (12) in a generally horizontal position as it is offloaded from a surface structure with a first lifting apparatus and then supporting the flowline in a generally vertical position as it is lowered to a subsea structure with a second lifting apparatus, wherein as the handling cable (68) is lifted the restricting member (76) will engage the first through member (74) and the handling cable will support both the spreader bar (38) and the flowline (18) jumper, wherein the lengths of the first through fourth cables (42, 46) and the length of the handling cable between the flowline jumper and the restricting member are selected to maintain the flowline jumper in a generally horizontal position as the handling cable is lifted; and wherein the flowline jumper is allowed to rotate from the generally horizontal position to the generally vertical position by lowering the handling cable.
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