Patent EA-001337-B1 (EA)
Title: Device for linking a discharging buoy and a marine installation for oil production
Inventor: LE GAL JEAN-CHRISTOPHE
IPC: B63B27/34
Filed: 1998-09-23
Abstract: 1. A device for linking a discharging buoy (2) and a marine installation (1) for oil production with means of anchoring (3), comprising at least one underwater line (71 and 72) for transferring the oil products from the installation (1) to the buoy (2) with a coupling (6) connecting the displacing installation (1) and the buoy (2) whilst limiting the amplitudes of their relative displacements  2. The device according to claim 1, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) supports the transfer underwater lines (71 and 72) at a predetermined depth. 3. The device according to claim 2, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) is a cable. 4. The device according to claim 2, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) has positive floatation to support the lines (71 and 72). 5. The device according to claim 4, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) is a floating means spreading over the whole length of the transfer lines (71 and 72). 6. The device according to claim 5, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) is designed in the form of a floating tube. 7. The device according to one of the preceding claims, characterized in that the coupling (6) connecting the displacing installation (1) and the buoy (2) is arranged so as to form a prolonged anchor line of the buoy (2). 8. The device according to one of the preceding claims 2 to 6, characterized in that further includes linkages (9) to connect the coupling (6) connecting the displacing installation (1) and the buoy (2) and the transfer lines (71 and 72) in one bundle. 9. The device according to one of the preceding claims characterized in that the end of the coupling (6) connecting the displacing installation (1) and the buoy (2) near the buoy (2) is connected to at least two anchor lines (51 and 52) on the buoy by at least two tension lines (81 and 82). 10. The device according to claim 9, characterized in that a spacing bar (11) is arranged parallel between the tension lines (81 and 82) of the floatation tube with the mooring lines (51 and 52), said spacing bar (11) is arranged practically horizontal and perpendicular to the tube (6) and installed between the ends (101 and 102) on the buoy (2) in a vertical plane passing through the vertical axis of the buoy (2). 11. The device according to one of the preceding claims 2 to 10, characterized in that contains flexible lines (121) and (122), (131) and (132) to connect flexibly the ends of the transfer lines (71 and 72) with the installation (1) from one side, and, corespondingly with the buoy (2)from the other side and said flexible lines are arranged over the length of the lines supported by the coupling (6). 12. The device according to one of the preceding claims 8 to 11, characterized in that the safety support cable (14) for the transfer lines (71 and 72) passes through the bundle.