| 摘要 |
<p>The subsea well head structure (1) comprises a foundation ring (5) adapted to be supported on a seabed (3), a tubular casing portion (9) to be positioned uppermost in a borehole (13) coaxially with the foundation ring (5), a hanger structure (15) mounted on the foundation ring (5) for supporting the casing portion (9) on the foundation ring (5) through a first load supporting path, and a blow-out preventer (19) which is mounted to the foundation ring (5) through a supporting structure (21 ) supporting the blow-out preventer (19) on the foundation ring (5) through a second load supporting path in parallel to the first load supporting path of the hanger structure (15).</p> |
