| 摘要 |
A COMPOSITE MARINE RISER MAY BE FORMED, IN ONE EMBODIMENT, OF A PAIR OF THREADED METALLIC SECTIONS HAVING THREADED EXTERNAL SURFACES. THE THREADED EXTERNAL SURFACES MAY TAPER FROM A LARGER TO A SMALLER DIAMETER. THE COMPOSITE MATERIAL MAY BE FORMED OVER THE THREADED EXTERNAL SURFACES, WHICH SURFACES SERVE TO TRANSFER FORCE FROM TIRE METALLIC SECTIONS TO THE COMPOSITE MATERIAL. |
