EP0777600A1 - Procede et dispositif de transfert de petrole en mer - Google Patents

Procede et dispositif de transfert de petrole en mer

Info

Publication number
EP0777600A1
EP0777600A1 EP95932245A EP95932245A EP0777600A1 EP 0777600 A1 EP0777600 A1 EP 0777600A1 EP 95932245 A EP95932245 A EP 95932245A EP 95932245 A EP95932245 A EP 95932245A EP 0777600 A1 EP0777600 A1 EP 0777600A1
Authority
EP
European Patent Office
Prior art keywords
hawser
hose
barrel
units
oil
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.)
Granted
Application number
EP95932245A
Other languages
German (de)
English (en)
Other versions
EP0777600B1 (fr
Inventor
Asbjorn Lovgren
Claes W. Olsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitec AS
Original Assignee
Hitec Marine AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitec Marine AS filed Critical Hitec Marine AS
Publication of EP0777600A1 publication Critical patent/EP0777600A1/fr
Application granted granted Critical
Publication of EP0777600B1 publication Critical patent/EP0777600B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 s connecting device for offshore oil transfer between two units. Transfer of oil offshore today is accomplished accor ⁇ ding to different principles, such as submerged tower, by means of a buoy etc. Increasingly a transfer system is used comprising shuttle tankers equipped with the submerged turret loading system 0 (ST ) or the submerged turret production system (STP).
  • ST submerged turret loading system 0
  • 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 is bow towards the weather and the shuttle tanker is connected to the stern of the s 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.
  • Shuttle tankers however, also have the need for connection to other systems, such as bow loading system (BLS), 0 which claims adaptation of the tankers specifically also for such systems.
  • BLS bow loading system
  • the connecting system according to the present inven- o tion ensures that shuttle tankers quickly and safe may be connected to different loading systems comprise a minimum of quickly performed manual operations.
  • loading and unloading is performed in the same area of the ship, which to a high extent provides possibi- 5 lity 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 s 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 o 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.
  • OLS oil loading system station
  • the oil hose thereafter is connected in a known way to 5 a standard tail part on the outer end of the house 4, usually made as a flange coupling.
  • the house 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 o 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 5 the barrel, from which connection is established through this pipe to one side of the barrel 5.
  • connection By means of a swivel the connection thereby is established to the piping system of the ship. Based on the ball link 6 the house 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 s 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 o 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 s 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 is connected with the chain length 11 by means of a swivel. 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 o length aboard the shuttle tanker is locked.
  • the house barrel 5 Upon proper mooring the house barrel 5 gives out the o house 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 house or the coupling. 5

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)

Abstract

La présente invention concerne un procédé et un dispositif de raccordement en mer de deux unités ayant pour objet de transférer du pétrole. Le procédé consiste à prévoir une aussière entre les deux unités, et en cas de besoin, à assujettir l'une au moins des extrémités de l'aussière grâce à un dispositif de blocage (12) situé dans un chaumard (1) à rouleau combiné fixé sur l'une des unités, à une chaîne de maillons reliée en une extrémité, et à relier une manche à pétrole aux deux unités, l'extrémité de la manche à pétrole étant raccordée du côté de l'une des unités au moyen d'une liaison à rotule (6) donnant une liberté de mouvement à la manche suspendue à la liaison à rotule, la manche étant elle-même conçue pour s'enrouler sur un touret (5) pour manche, et la liaison à rotule étant solidaire du touret et raccordée au réseau de tuyauteries de l'une des unités via l'axe du touret.
EP95932245A 1994-09-09 1995-09-06 Procede et dispositif de transfert de petrole en mer Expired - Lifetime EP0777600B1 (fr)

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 true EP0777600A1 (fr) 1997-06-11
EP0777600B1 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9607583A1 *

Also Published As

Publication number Publication date
EP0777600B1 (fr) 2000-01-05
AU3534895A (en) 1996-03-27
DE69514368D1 (de) 2000-02-10
NO943361L (no) 1996-03-11
NO943361D0 (no) 1994-09-09
WO1996007583A1 (fr) 1996-03-14
NO300676B1 (no) 1997-07-07
JPH10507709A (ja) 1998-07-28

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