Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Marine riser base system

Patent ·
OSTI ID:7187283
A marine riser base system is described comprising: a fluid-tight hull positioned on the marine bottom; a support member comprising; a platform; means for securing the platform above the hull; means on the platform adapted for securing the lower end of a marine riser to the platform; flowline connector means on the platform adapted to be connected to the lower end of a flowline carrier by the marine riser; and a means for fluidly connecting the flowline connector means on the platform to the interior of the hull through a point on the lower side of the hull; the means comprising: a length of rigid pipe having a circularly-curved portion conforming substantially to the surface of the hull and spaced therefrom. The pipe has one end fixed to the platform and has the flowline connector means thereon. Its other end is fixed to the lower side of the hull where the other end penetrates the hull.
Assignee:
Mobil Oil Corp., New York, NY
Patent Number(s):
US 4632603
OSTI ID:
7187283
Country of Publication:
United States
Language:
English