EP0777600B1 - Procede et dispositif de transfert de petrole en mer - Google Patents
Procede et dispositif de transfert de petrole en mer Download PDFInfo
- Publication number
- EP0777600B1 EP0777600B1 EP95932245A EP95932245A EP0777600B1 EP 0777600 B1 EP0777600 B1 EP 0777600B1 EP 95932245 A EP95932245 A EP 95932245A EP 95932245 A EP95932245 A EP 95932245A EP 0777600 B1 EP0777600 B1 EP 0777600B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hawser
- hose
- barrel
- units
- winch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
Definitions
- the present invention is related to a method and a connecting device for offshore oil transfer between two units.
- Transfer of oil offshore today is accomplished according to different principles, such as submerged tower, by means of a buoy etc (see No-B-145532).
- a transfer system comprising shuttle tankers equipped with the submerged turret loading system (STL) or the submerged turret production system (STP).
- STL submerged turret loading system
- STP submerged turret production system
- a stationary ship When loading with such a system (STL), a stationary ship is used as a storage tank. The oil is in between loaded to a second shuttle tanker. The ship rests with its bow towards the weather and the shuttle tanker is connected to the stern of the ship. During production (STP) the storing space aboard the ship may be limited and the oil therefore is transferred more or less continuously to the second shuttle tanker.
- the connecting system according to the present invention ensures that shuttle tankers quickly and safe may be connected to different loading systems comprise a minimum of quickly performed manual operations. To provide the ships with multi use properties loading and unloading is performed in the same area of the ship, which to a high extent provides possibility for use of few components and few manual operations for connecting and disconnecting, enduring only a short time.
- the system according to the present invention is defined with the features stated in the claims.
- figure 1 discloses a side view of the stern of a shuttle tanker, comprising the system according to the present invention
- figure 2 discloses a side view of the combined rolling hawser and chain lock device according to the present invention
- figure 3 discloses a ground view of the device in figure 2.
- Shuttle tankers constructed with the system according to the present invention are used in connection with the loading from a normal bow loading system station (BLS) by reversing the vessel up to the loading station, the stern thereby is given a somewhat bowlike shape.
- the stern is hold up against the weather during loading by means of the positioning system of the ship.
- the bow of the ship is placed up against the weather and loading to another shuttle tanker is made by connecting this to the stern.
- the system according to the invention comprises a roll hawser with chain locks for safe mooring to an unloading station, respectively another vessel, and a host barrel hose barrel ensuring that the hose is exposed to a minimum of physical stress by the use of ball shaped couplings.
- the oil hose thereafter is connected in a known way to a standard tail part on the outer end of the hose 4, usually made as a flange coupling.
- the hose 6 is coiled up on a barrel 5 having a horizontal axis.
- the barrel thereafter is rotated in such a way that the coiled hose 5 runs out until the inner end of the hose 4, which is connected with the barrel 5 by means of a ball link 6, is situated in a preferred position, such as in the axial horizontal plane of the barrel.
- the barrel 5 thereafter is locked in this position.
- the ball link 6 is connected to the barrel and by means of pipe 7 further connected with the pipe 1 the center axis of the barrel, from which connection is established through this pipe to one side of the barrel 5.
- the connection thereby is established to the piping system of the ship.
- the hose freely can be moved in all directions without forces being created in the hose or the coupling.
- the roll hawser 1 and the barrel 5 are arranged in the stern of the ship, the roll hawser preferably at the platform deck of the ship.
- Ship provided for STL respectively STP couplings have the bridge arranged ahead of these installations of security reasons.
- a multi use ship of the type described here thereafter have all installations for connection arranged in the stern.
- the fairlead 1 is such that it functions as a normal fairlead where hawsers, buoys, wires and chains freely may run through and between vertically arranged rolls 1 and on horizontal rolls 3.
- the tanker By loading from a single point mooring station (SPM) the tanker must be moored to a tower or a buoy.
- the mooring hawser 9 from the tower of the buoy is pulled aboard on the shuttle tanker by means of a forerunner 10 and the pulling winch 8.
- a chain 11 having standard length is connected in between the forerunner 10 and the hawser 9.
- the forerunner 10 is pulled through the roll fairlead 1 until a sufficient number of chain loops are placed in a locking mechanism 12 in the roll fairlead 1. Thereafter the locking mechanism 12 is activated and the shuttle tanker is moored in such a way that the oil house may be connected as described above.
- a shuttle tanker By unloading from a STL/STP-ship a shuttle tanker is moored to the ship with a corresponding hawser having a chain 11 between the forerunner and the hawser 10. At the other end of the hawser, aboard the ship, some chain links are inserted to lock those chain links by means of the locking mechanism 12 of the fairlead 1. When the leading chain length 11 is aboard the shuttle tanker.
- the leading chain length 11 is stored in a specially designed box on the platform deck, between the roller fairlead 1 and a winch 13 for the hawser.
- the chain length 11 is secured to the hawser as such, which is stored on the hawser winch 13. With the other end of the hawser, some chain links are connected which are used for locking in the locking mechanism 12.
- the hawser winch 13 comprises two parts which can operated independently. On one part of the hawser winch 13 therefore the hawser 9 and the chain links are arranged and on the other part of the barrel a forerunner is arranged.
- the forerunner When connecting the shuttle tanker to a STL/STP-ship the forerunner is let out and shut out by means of an air canon.
- the forerunner is connected with the chain length 11 by means of a swivel.
- the forerunner On the shuttle tanker the forerunner is pulled in and later also the chain length 11 and simultaneously the hawser is coiled off from the hawser winch 13. After the chain links are secured with the locking mechanism 12 aboard the ship, the chain length aboard the shuttle tanker is locked.
- the mooring forces are, with the device according to the present invention, transferred to the locking mechanism 12 of the roller fairlead. Of this reason only one hawser winch 13 is needed.
- the hose barrel 5 Upon proper mooring the hose barrel 5 gives out the hose 4, the end piece of which is connected with the manifold of the shuttle tanker. The hose barrel 5 is again locked in such a way that the ball link 6 is arranged in the horizontal plane of the barrel axis. In this way the hose may be freely moved without causing any forces to the hose or the coupling.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Joints Allowing Movement (AREA)
- Ship Loading And Unloading (AREA)
Claims (6)
- Procédé de connexion entre deux unités situées en mer dans le but de transférer du pétrole, comportant le transfert d'une aussière entre les unités et, en fonction des besoins, le verrouillage au moins d'une extrémité de l'aussière par l'intermédiaire d'un dispositif de verrouillage (12), caractérisé en ce qu'un guide-câble à rouleaux (1) est agencé sur une première des unités, combiné à des maillons de chaíne reliés à une première extrémité et destinés à connecter un tuyau pour pétrole entre les unités, de sorte que l'extrémité du tuyau pour pétrole située sur une première des unités est connectée à une liaison à bille (6) permettant un mouvement libre du tuyau (4) suspendu à partir de la liaison à bille, de sorte que le tuyau est adapté pour être bobiné sur un corps cylindrique pour tuyau (5) et la liaison à bille est fixée sur le corps cylindrique et reliée au système de tuyauterie de l'une des unités à travers l'axe du corps cylindre.
- Procédé selon la revendication 1, caractérisé en ce qu'on connecte à un poste d'amarrage du type amarrage en un seul point par traction de l'aussière à bord de la première unité à l'aide d'un précurseur et qu'on verrouille la longueur de chaíne située entre l'aussière et le précurseur par l'intermédiaire du mécanisme de verrouillage (12) du guide-câble à rouleaux.
- Procédé selon la revendication 1, caractérisé en ce qu'on connecte à un poste de système de chargement de pétrole en tirant vers le haut un tuyau pour pétrole à partir du fond de la mer par l'intermédiaire d'une aussière, sur un guide-câble à rouleaux (1), par l'intermédiaire d'un cabestan de traction (8) pour relier le tuyau pour pétrole à la partie d'extrémité située sur le corps cylindrique et pour laisser le tuyau à l'extérieur du corps cylindrique (5) jusqu'à ce que le tuyau (4) en provenance du corps cylindrique soit librement suspendu à partir de la liaison à bille (6) du corps cylindrique.
- Procédé selon la revendication 1, caractérisé en ce qu'on connecte un pétrolier-navette en guidant un précurseur situé sur l'aussière à partir du cabestan (13) d'aussière vers le pétrolier, après quoi une longueur de chaíne reliée à l'aussière peut être fixée à bord du pétrolier-navette et la longueur de chaíne est verrouillée par l'intermédiaire du mécanisme de verrouillage (13), sur le guide-câble à rouleaux (1).
- Dispositif de connexion pour transfert de pétrole entre deux unités situées en mer, caractérisé en ce que le dispositif comporte un guide-câble à rouleaux (1) ayant des rouleaux horizontaux et verticaux (3, 2) et un mécanisme de verrouillage (12) pour verrouiller des maillons de chaíne sur le guide-câble à rouleaux (1) et un corps cylindre pour tuyau (5) comportant un tuyau (4) ayant son extrémité intérieure reliée à une liaison à bille (6) connectée au système de tuyauterie du navire, par l'intermédiaire d'un tuyau agencé radialement, à un tuyau agencé axialement dans le corps cylindrique et de plus avec une rotule du système de tuyauterie.
- Dispositif selon la revendication 5, caractérisé en ce que les maillons de chaíne étant agencés les plus près du cabestan sur la partie indépendamment mobile d'un cabestan (13) d'aussière et étant fixés sur l'extrémité de queue de l'aussière, l'extrémité de tête de l'aussière étant reliée à une longueur de chaíne (11) agencée, entre le guide-câble à rouleaux (1) et le cabestan (13) d'aussière, et en ce que la seconde partie du cabestan d'aussière comporte un précurseur bobiné relié à la longueur de chaíne de tête, adapté pour être fermé sur l'autre unité, telle qu'un pétrolier-navette.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO943361A NO300676B1 (no) | 1994-09-09 | 1994-09-09 | Forbindelsesanordning ved oljeoverföring |
NO943361 | 1994-09-09 | ||
PCT/NO1995/000152 WO1996007583A1 (fr) | 1994-09-09 | 1995-09-06 | Procede et dispositif de transfert de petrole en mer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0777600A1 EP0777600A1 (fr) | 1997-06-11 |
EP0777600B1 true EP0777600B1 (fr) | 2000-01-05 |
Family
ID=19897388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95932245A Expired - Lifetime EP0777600B1 (fr) | 1994-09-09 | 1995-09-06 | Procede et dispositif de transfert de petrole en mer |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0777600B1 (fr) |
JP (1) | JPH10507709A (fr) |
AU (1) | AU3534895A (fr) |
DE (1) | DE69514368D1 (fr) |
NO (1) | NO300676B1 (fr) |
WO (1) | WO1996007583A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4174064B2 (ja) | 2007-03-02 | 2008-10-29 | 横浜ゴム株式会社 | マリンホース |
CN116573114B (zh) * | 2023-05-25 | 2023-11-24 | 上海白鹭新能源有限公司 | 光电运维船的靠岸辅助装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA936374A (en) * | 1969-05-06 | 1973-11-06 | Lecomte Claude | Floating systems, especially mooring buoys, for anchoring to the sea-bed |
FR2368399A1 (fr) * | 1976-10-19 | 1978-05-19 | Emh | Perfectionnements aux equipements pour relier les petroliers aux colonnes marines ou analogues |
US4339002A (en) * | 1979-08-09 | 1982-07-13 | Halliburton Company | Sea buoy discharge manifold system |
-
1994
- 1994-09-09 NO NO943361A patent/NO300676B1/no not_active IP Right Cessation
-
1995
- 1995-09-06 AU AU35348/95A patent/AU3534895A/en not_active Abandoned
- 1995-09-06 DE DE69514368T patent/DE69514368D1/de not_active Expired - Lifetime
- 1995-09-06 EP EP95932245A patent/EP0777600B1/fr not_active Expired - Lifetime
- 1995-09-06 WO PCT/NO1995/000152 patent/WO1996007583A1/fr not_active Application Discontinuation
- 1995-09-06 JP JP8509406A patent/JPH10507709A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69514368D1 (de) | 2000-02-10 |
NO300676B1 (no) | 1997-07-07 |
JPH10507709A (ja) | 1998-07-28 |
AU3534895A (en) | 1996-03-27 |
EP0777600A1 (fr) | 1997-06-11 |
WO1996007583A1 (fr) | 1996-03-14 |
NO943361D0 (no) | 1994-09-09 |
NO943361L (no) | 1996-03-11 |
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