WO2008127117A1 - Procédé et dispositif de couplage d'un pétrolier en mer - Google Patents

Procédé et dispositif de couplage d'un pétrolier en mer Download PDF

Info

Publication number
WO2008127117A1
WO2008127117A1 PCT/NO2008/000088 NO2008000088W WO2008127117A1 WO 2008127117 A1 WO2008127117 A1 WO 2008127117A1 NO 2008000088 W NO2008000088 W NO 2008000088W WO 2008127117 A1 WO2008127117 A1 WO 2008127117A1
Authority
WO
WIPO (PCT)
Prior art keywords
tanker
loading
stern
facility
loading facility
Prior art date
Application number
PCT/NO2008/000088
Other languages
English (en)
Inventor
Hans Richard Hansen
Reinert Nordtveit
Original Assignee
Teekay Norway 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 Teekay Norway As filed Critical Teekay Norway As
Priority to AT08723980T priority Critical patent/ATE507139T1/de
Priority to DK08723980.2T priority patent/DK2121426T3/da
Priority to DE602008006531T priority patent/DE602008006531D1/de
Priority to EP08723980A priority patent/EP2121426B1/fr
Priority to BRPI0808744-0A priority patent/BRPI0808744A2/pt
Priority to CA2680755A priority patent/CA2680755C/fr
Priority to PL08723980T priority patent/PL2121426T3/pl
Publication of WO2008127117A1 publication Critical patent/WO2008127117A1/fr

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

  • This invention relates to a method for connecting a tanker at sea. More particularly, it relates to a method for connecting a tanker to a loading facility at sea, in which, after having positioned itself at the loading facility, the tanker is connected to a loading hose for fluid to be transferred from the loading facility to the tanker.
  • the stern of the tanker is turned towards the loading facility, the tanker being provided at its stern with propulsion machinery which is steer- able in the horizontal plane, after which the loading hose is connected to a cargo manifold located at the stern of the tanker.
  • the offshore loading facility may include, for example, a loading buoy or a production ship, often referred to as an FPSO (Floating Production, Storage and Offloading) vessel.
  • FPSO Floating Production, Storage and Offloading
  • loading of this kind is relatively vulnerable to weather, as forces from waves and wind acting on the bow of the tanker must be balanced by sufficient force from the thrusters to hold the bow of the tanker in a substantially fixed position relative to the loading facility. Especially in the wintertime it happens that loading must be put off because the effect of the thrusters is not sufficient to ensure that the bow of the tanker will stay in the right position during the loading.
  • bow manifolds are relatively highly exposed to sea spray and, thereby, icing in wintertime. This may entail considerable extra work before loading can be started.
  • the invention has for its object to remedy or reduce at least one of the drawbacks of the prior art .
  • a method in accordance with the invention for the connection of a tanker to a loading facility at sea, in which, after having positioned itself at the loading facility, the tanker is connected to a loading hose for fluid to be transferred from the loading facility to the tanker, is characterized by the stern of the ship being turned towards the loading facil- ity, the tanker being provided, at its stern, with propulsion machinery which is steerable in the horizontal plane, and the loading hose then being connected to a cargo manifold which is located at the stern of the tanker.
  • the tanker is provided with so-called dynamic positioning, in which a control system calculates, by means 5 of external navigation signals, any current deviation from a desired position, the control system seeking to reduce the deviation by means of the steering and propulsion machinery of the tanker.
  • the propulsion machinery which is steerable ino the horizontal plane, includes at least two propellers which are arranged to be pivoted in the horizontal plane.
  • the propulsion machinery of tankers of this kind has substantially greater efficiency than what could possibly be transmitted via thrusters at the bow. s
  • matters are well arranged for the tanker to be held in position by means of the positioning system's control of the power and relative direction of the propulsion machinery, while the stern of the tanker is connected to the loading facility. This is also the case in considerably worse weathero conditions than those under which it is possible to load when the bow of a tanker is to be held in a particular position.
  • the cargo manifold which is at the stern of the tanker, is set back somewhat on the poop of the tanker, in order for any leakage at the manifold connection to be cap-5 tured and directed to a collecting tank.
  • the loading hose may be formed by known loading hose arrangements and is not limited to a loading hose which is reeled up, in its inactive position, at the loading facility.
  • the cargo manifold which is located at the poop, is wello protected from sea spray and icing during the sailing to the loading device, which simplifies to a substantial degree the connecting work in cold periods and in northern waters.
  • Figure 1 shows schematically a side view of a tanker which is connected to a production ship
  • Figure 2 shows schematically a plan view of the tanker and production ship of figure 1.
  • the reference numeral 1 indicates a tanker, for example a so-called “shuttle tanker” which is used for transporting crude oil from sea-based production sites to inshore receiving facilities.
  • the tanker 1 is connected to a loading facility 2 in the form of a production ship by means of a loading hose 4.
  • the loading hose 4 is formed by, for example, a flexible hose which is reeled up, in its inactive position, on a drum 6 on the production ship 2.
  • the loading hose 4 is provided with a connection 8 which complementarily fits a cargo manifold 10 in a manifold housing 12 on the poop 14 of the tanker 1.
  • the propulsion machinery 16 of the tanker 1 includes two propulsion propellers 18 steerable in the horizontal plane, which are placed at the stern 20 of the ship 1.
  • the propulsion propellers 18 take different directions rela- tive to the longitudinal axis of the tanker 1. This indicates that the direction and thrust of the propulsion propellers 18 are controlled to keep the stern 20 of the tanker 1 in a desired position relative to the production ship 2.
  • the bow 22 of the tanker 1 may be allowed to turn according to the wind and weather. If necessary, the thrusters 24 of the tanker 1 are used to maintain the direction of the tanker 1.
  • the stern 20 of the tanker 1 is stabilized in this position as explained above .
  • the loading hose 4 is disconnected from the cargo manifold 10 and pulled back onto the production ship 2.
  • the tanker 1 then sails to its destination.

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)
  • Ship Loading And Unloading (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Pipeline Systems (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Revetment (AREA)

Abstract

L'invention concerne un procédé et un dispositif de couplage d'un pétrolier (1) à une installation de chargement (2) en mer dans lequel, après s'être positionné au niveau de l'installation de chargement (2), le pétrolier (1) est couplé à une conduite de chargement (4) pour transférer un fluide de l'installation de chargement (2) au pétrolier (1), et dans lequel la poupe (20) du pétrolier (1) est tournée vers l'installation de chargement (2), le pétrolier (1) étant pourvu, au niveau de sa poupe (20), d'une machinerie de propulsion (16) pouvant être dirigée dans un plan horizontal, et dans lequel la conduite de chargement (4) est ensuite couplée à un distributeur de chargement (10) positionnée au niveau de la poupe (20) du pétrolier (1).
PCT/NO2008/000088 2007-03-15 2008-03-11 Procédé et dispositif de couplage d'un pétrolier en mer WO2008127117A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT08723980T ATE507139T1 (de) 2007-03-15 2008-03-11 Verfahren und vorrichtung zum anschluss eines tankers auf see
DK08723980.2T DK2121426T3 (da) 2007-03-15 2008-03-11 Fremgangsmåde og indretning til forbindelse af et tankskib til havs
DE602008006531T DE602008006531D1 (de) 2007-03-15 2008-03-11 Verfahren und vorrichtung zum anschluss eines tankers auf see
EP08723980A EP2121426B1 (fr) 2007-03-15 2008-03-11 Procédé et dispositif de couplage d'un pétrolier en mer
BRPI0808744-0A BRPI0808744A2 (pt) 2007-03-15 2008-03-11 Método e dispositivo para conexão de um navio tanque no mar.
CA2680755A CA2680755C (fr) 2007-03-15 2008-03-11 Procede et dispositif de couplage d'un petrolier en mer
PL08723980T PL2121426T3 (pl) 2007-03-15 2008-03-11 Sposób i urządzenie do łączenia zbiornikowca na morzu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20071395A NO336151B1 (no) 2007-03-15 2007-03-15 Fremgangsmåte og anordning for oppkopling av et tankskip til et lasteanlegg til havs
NO20071395 2007-03-15

Publications (1)

Publication Number Publication Date
WO2008127117A1 true WO2008127117A1 (fr) 2008-10-23

Family

ID=39529325

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2008/000088 WO2008127117A1 (fr) 2007-03-15 2008-03-11 Procédé et dispositif de couplage d'un pétrolier en mer

Country Status (11)

Country Link
EP (1) EP2121426B1 (fr)
AT (1) ATE507139T1 (fr)
BR (1) BRPI0808744A2 (fr)
CA (1) CA2680755C (fr)
CY (1) CY1111948T1 (fr)
DE (1) DE602008006531D1 (fr)
DK (1) DK2121426T3 (fr)
ES (1) ES2364954T3 (fr)
NO (1) NO336151B1 (fr)
PL (1) PL2121426T3 (fr)
WO (1) WO2008127117A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295372A (en) * 1994-11-24 1996-05-29 Norske Stats Oljeselskap Fluid Transfer Between Ships
WO1998032651A1 (fr) * 1997-01-24 1998-07-30 Hitec Asa Dispositif pour petroliers
US20020134455A1 (en) * 2001-03-23 2002-09-26 Leif Hoegh & Co. Asa Vessel and unloading system
US20030084960A1 (en) * 2001-11-06 2003-05-08 Fmc Technologies, Inc. Submerged flowline termination buoy with direct connection to shuttle tanker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295372A (en) * 1994-11-24 1996-05-29 Norske Stats Oljeselskap Fluid Transfer Between Ships
WO1998032651A1 (fr) * 1997-01-24 1998-07-30 Hitec Asa Dispositif pour petroliers
US20020134455A1 (en) * 2001-03-23 2002-09-26 Leif Hoegh & Co. Asa Vessel and unloading system
US20030084960A1 (en) * 2001-11-06 2003-05-08 Fmc Technologies, Inc. Submerged flowline termination buoy with direct connection to shuttle tanker

Also Published As

Publication number Publication date
DE602008006531D1 (de) 2011-06-09
EP2121426B1 (fr) 2011-04-27
DK2121426T3 (da) 2011-08-08
NO20071395L (no) 2008-09-16
ATE507139T1 (de) 2011-05-15
ES2364954T3 (es) 2011-09-19
EP2121426A1 (fr) 2009-11-25
CA2680755A1 (fr) 2008-10-23
CA2680755C (fr) 2014-09-09
PL2121426T3 (pl) 2011-09-30
BRPI0808744A2 (pt) 2014-08-12
CY1111948T1 (el) 2015-11-04
NO336151B1 (no) 2015-05-26

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