| 摘要 |
<p>A marine pipelay vessel (10) equipped with pipe laying apparatus (12) comprising pipe handling means (40, 41) for moving the pipe (100) into its raised launching position, a pipe connection station (14) for connecting together pipe ends when in the launching position, pipe support means for maintaining the pipe in a raised position (18), a static clamp (58) for releasably securing the upper end of a previously launched pipe, pipe launching means (50) for controllably launching the raised pipe stalk in which the pipe launching means comprises a second mobile clamp (60) adapted to be releasably secured to the pipe (100) such that the second clamp means may be raised and lowered controllably over a predetermined stroke distance between the uppermost and the lowermost stroke position relative to the vessel.</p> |
