WO2009082192A1 - Navire et procédé de pose de pipeline - Google Patents

Navire et procédé de pose de pipeline Download PDF

Info

Publication number
WO2009082192A1
WO2009082192A1 PCT/NL2007/000328 NL2007000328W WO2009082192A1 WO 2009082192 A1 WO2009082192 A1 WO 2009082192A1 NL 2007000328 W NL2007000328 W NL 2007000328W WO 2009082192 A1 WO2009082192 A1 WO 2009082192A1
Authority
WO
WIPO (PCT)
Prior art keywords
vessel
pipeline
deck
transporting
suspension point
Prior art date
Application number
PCT/NL2007/000328
Other languages
English (en)
Inventor
Gerardus Cornelius Van Grieken
Barbara Edith Marie-Antoinette Groskamp
Original Assignee
Heerema Marine Contractors Nederland B.V.
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 Heerema Marine Contractors Nederland B.V. filed Critical Heerema Marine Contractors Nederland B.V.
Priority to PCT/NL2007/000328 priority Critical patent/WO2009082192A1/fr
Publication of WO2009082192A1 publication Critical patent/WO2009082192A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/03—Pipe-laying vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/16—Laying or reclaiming pipes on or under water on the bottom
    • F16L1/18—Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying
    • F16L1/19—Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying the pipes being J-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/20—Accessories therefor, e.g. floats, weights
    • F16L1/202—Accessories therefor, e.g. floats, weights fixed on or to vessels
    • F16L1/207—Pipe handling apparatus

Definitions

  • the invention relates to a vessel for laying a pipeline, which vessel comprises a deck and a pipe laying means defining a firing line.
  • the pipeline or the pipeline including equipment is suspended from the vessel at a suspension point, which suspension point during pipelaying is located at the pipelaying means.
  • the equipment may be an elongate member, such as a riser pipe, a bulky item, such as an inline structure, or any further item which may be connected to the pipeline, such as a buoy.
  • the term pipeline is used, it is intended to also include a pipeline including equipment.
  • the vessel is positioned in a specific laying position. This situation is often referred to as the general laying situation. It sometimes happens that an operation has to be performed on the pipeline which requires that said suspension point of the pipeline is relocated to a position different than in the general laying situation. This occurs for example when arriving at a platform and the pipeline has to be transferred to a final position on said platform.
  • the pipe laying means is located for example at the stern of the vessel, the hull of the vessel is located between the suspension point and the final position. This means that the suspension point is located at a distance from the final position which is too large to transfer the pipeline to the final position.
  • An object of the invention is to solve above mentioned problem. This is achieved by providing the vessel with transporting means for transporting the suspension point below the deck between the pipe laying means and a target position on the vessel. With the transporting means it is possible to relocate the suspension point to a position suitable for performing a specific operation, without having to perform difficult and time consuming movements of the vessel.
  • the pipe laying means may for example be a J-lay tower or S-lay means.
  • the final position may for example be located on a floating platform or a platform fixed to the seabed.
  • the pipeline is in use laid in a laying direction and the transporting means is configured to transport the suspension point in said laying direction.
  • the transporting means may be configured to also transport the suspension point in the direction opposite to said laying direction, in which case specific attention needs to be paid to prevent overstressing the pipeline.
  • the pipe laying means and/or the transporting means is configured to transfer the suspension point between the pipe laying means and transporting means. Because of this, a secure transfer of the load of the pipeline between the pipe laying means and the transporting means is realized.
  • the deck comprises a circumferential edge and the target position is located near said circumferential edge.
  • the target position may also be located outside the circumferential edge.
  • These embodiments can advantageously be used for transferring the suspension point between the vessel and a final position.
  • the specific location of the target position ensures that the pipeline can be positioned sufficiently close to the final position. It will be clear that when the suspension point is fully transferred from the vessel to a final position located on a platform, the pipeline suspends no longer from the vessel.
  • the pipe laying means may be located substantially at the circumferential edge of the deck.
  • the pipe laying means may be located at another side from the deck than the side where the target position is located.
  • the pipe laying means may be located substantially at opposite site of the deck.
  • the pipe laying means may be located at the stern or the bow.
  • the pipe laying means may also be located substantially the middle of the deck, for example near a moon pool.
  • the vessel comprises hoisting means for hoisting the suspension point located in the target position.
  • the hoisting means may be located near the target position.
  • the transporting means and/or the hoisting means may be configured to transfer the pipeline between the transporting means and the hoisting means at the target position. This ensures a safe transfer of the load of pipeline between the transporting means and the hoisting means.
  • the hoisting means may also be located on said platform.
  • the hoisting means may be any hoisting means known in the state of the art, such as a winch, a jacking device or a crane.
  • the vessel comprises two spaced apart floaters which are connected to the deck and configured such that the floaters define a transporting space which allows a passing of the transporting means and/or the pipeline between said floaters.
  • the transporting means may be movable along at least one rail connected to an underside of the deck and/or to the floaters.
  • the at least one rail may extends substantially from the pipe laying means to the target position.
  • the transporting means may comprise only one rail connected to the underside of the deck.
  • the transporting means may also comprise two spaced apart rails and a cross beam extending between said two rails and movable connected to said two rails.
  • the transporting means may be movable along the at least one rail by driving means preferably located on the topside of the deck and/or (partly) inside the deck.
  • the transporting means comprises a flexible elongated member which is with one end thereof connectable to the pipeline at the suspension point and with another end thereof connectable to the hoisting means while substantially being located below the deck.
  • the invention also relates to the use of the vessel according to the invention.
  • the invention further relates to a method for transporting a pipeline or a pipeline including equipment on a vessel for laying a pipeline, wherein the vessel comprises a deck and a pipe laying means defining a firing line, comprising suspending of the pipeline or the pipeline including equipment from the vessel at a suspension point located at the pipelaying means, and transporting of the suspension point below the deck via transporting means and between the pipe laying means and a target position on the vessel.
  • the pipeline is in use laid in a laying direction and the transporting means transport the suspension point in said laying direction.
  • the suspension point may also be transported in the direction opposite to said laying direction.
  • the suspension point may be transferred between the pipe laying means and transporting means.
  • the vessel is positioned such that the target position is located near a final position and the suspension point is transferred between the target position and the final position.
  • the final position may be located on a platform.
  • the suspension point may be transferred to hoisting means located on the vessel and/or said platform.
  • the method may comprise two spaced apart floaters and the transporting means and/or the pipeline may be passed between the floaters.
  • the transporting means may be moved along at least one rail connected to an underside of the deck and/or to the floaters.
  • the transporting means may be moved along the at least one rail by driving means preferably located on the topside of the deck and/or (partly) inside the deck.
  • the suspension point is transported from the pipe laying means to the target position by means of an elongated member which is with one end thereof connected to the pipeline and with another end thereof connected to the hoisting means while substantially being located below the deck.
  • the transporting of the pipeline below the deck may comprise a transfer of the suspension point between the pipe laying means and the hoisting means via the flexible elongated member.
  • FIG. 2 schematically shows a view in cross section along line II- Il of Fig 1
  • FIG. 3 schematically shows a second embodiment of the vessel of Fig. 2
  • Fig. 4 schematically shows a view in cross section along line IV- IV of Fig 3
  • Fig. 5 schematically shows a third embodiment of the cross section of Fig 2
  • Fig. 6 schematically shows a view in cross section along line Vl- Vl of Fig 5
  • Fig. 7 schematically shows a fourth embodiment of the vessel of Fig. 2
  • Fig. 8-14 schematically show a first embodiment of a method according to the invention
  • Fig. 15-17 schematically shows a second embodiment of a method according to the invention.
  • FIG. 1 and 2 show a first embodiment of a vessel according the invention
  • the vessel 1 is used for laying a pipeline 2
  • the water line 22 is indicated in Fig. 1.
  • Vessel 1 comprises a deck 3 and a tower 6 defining a firing line 7.
  • the pipeline 2 is connected to the vessel 1 at the suspension point 35. Said suspension point 35 is during pipe laying located at the tower 6. This means that during pipe laying the pipeline 2 is connected to the tower 6.
  • the pipeline 2 may be connected to the tower 6 via said equipment.
  • pipe sections and/or equipment are positioned in the tower 6 in line with the firing line 7 and subsequently connected to the pipeline 2. After that, the pipeline 2 is lowered and this cycle is repeated.
  • the vessel is moved in the laying direction 10.
  • the deck 3 of the vessel 1 comprises an underside 4, a topside 5 and a circumferential edge 11.
  • Said circumferential edge 11 comprises a first side 12 and a second side 13.
  • the tower 6 is located at the first side 12 of the circumferential edge 11.
  • Hoisting means 14 are provided near the second side 13 of the circumferential edge 11.
  • the tower 6 and hoisting means 14 are provided on opposite sides of the vessel 1.
  • the vessel comprises two floaters 15 which are spaced apart from each other. The location of the floaters 15 are clearly shown in Fig 2.
  • the floaters 15 are configured such that they form a transporting space 16 which allows passing the transporting means 8 and or the pipeline 2 between said floaters 15.
  • Each floater 15 comprises propeller means 23.
  • the Fig 3 and 4 show a second embodiment of a vessel according the invention.
  • the transporting means comprise a cross beam 18 which extends between the two spaced apart rails 17.
  • Said cross beam 18 is movable connected to said rails 17 it will be clear that the movable connection between the cross beam 18 and the rails 17 may be any type of movable connection known in the art.
  • the cross beam 18 may slide over the rails or rolling means may be used.
  • the cross beam 18 may be driven by any drive means known in the art. For example by pushing or pulling the cross beam 18 over the rails 17. In this embodiment the cross beam 18 is slidable connected with the rails 17. Rolling members 28 are connected with opposite sides of the cross beam 18.
  • Each of the rolling members 28 is connected by a pulling cable 24 to the pulling means 27.
  • the pulling means 27 are configured to pull the pulling cable 24. By doing so, the cross beam 18 is moved in a specific direction along the rails 17.
  • the pulling cable 24 of each pulling means 27 is collected by a reeling means 19.
  • the pulling means 27 form the driving means of the cross beam 18 and thus the driving means of the transporting means 8.
  • said driving means are provided on the topside 5 of the deck 3. Because of this the driving means are easily accessible for the persons working on the vessel 1. This is an advantage when maintenance has to be performed on the driving means it is also possible to (partially) locate the driving means at the inside 29 of the deck 3.
  • the transporting means 8 comprises two flexible transporting members 30. Said flexible transporting members 30 are connected to opposite ends of the cross beam 18.
  • the Fig. 5 and 6 show a third embodiment of a vessel according the invention.
  • the transporting means 8 comprises one flexible transporting member 30 which is connected at the middle of the cross beam 18.
  • the cross beam 18 is driven by hydraulic cylinders 25.
  • Said hydraulic cylinders 25 are positioned between a fixed member 26 which is releasable fixed on the rails 17 and the cross beam 18.
  • Fig. 5B shows one possible way to achieve this, where the rails 17 are equipped with holes 40 at regular intervals in which the fixed member 26 can be locked by pins.
  • the cross beam 18 is slidable over the rails 17.
  • the Fig. 7 shows a fourth embodiment of a vessel according the invention.
  • the transporting means 8 are slidable connected to one rail 17 which is connected to the underside 4 of the deck 3.
  • the rail 17 comprises T- shape in cross section.
  • the Fig. 8-14 shows a first embodiment of a method according the invention.
  • the vessel 1 is used for laying a pipeline 2.
  • the vessel comprises transporting means 8 for transporting the suspension point 35 below the deck 3 between the tower 6 and a target position 9 on the vessel 1.
  • Figure 8 shows that a flexible elongated member 20 of the transporting means 8 is connected to the pipeline 2 at the suspension point 35 while the pipeline 2 is connected to the tower 6.
  • Fig 9 shows that the pipeline 2 is disconnected from the tower 6 and lowered from the tower 6 by means of an A&R line 31. This way, the load of the pipeline 2 is transferred to the flexible member 20 of the transporting means 8
  • an A&R line 31 is disconnected from the pipeline 2 and recovered.
  • the transporting means 8 are transporting the suspension point 35 below the deck 3, away from the tower 6 in the laying direction towards the target position 9.
  • the suspension point is located outside the circumferential edge 11 of the deck 3.
  • a flexible transfer member 32 is with one end 33 connected to the hoisting means 14 and with the second end 34 connected to the flexible member 20 of the transporting means 8.
  • said second end 34 of the transfer member 32 is lowered along the flexible member 20 and connected to the pipeline 2 optionally, as shown.
  • the load of the pipeline 2 is transferred from the flexible member 20 via the transfer member 32 to the hoisting means 14.
  • the flexible member 20 is disconnected from the pipeline 2.
  • the suspension point 35 (and indirectly also the pipeline 2) is now ready to be transferred by the hoisting means 14 to a final position which may be located on a platform 21.
  • Fig 15-18 show a second embodiment of the method according the invention
  • the suspension point 35 of pipeline 2 is located at the tower 6 of the vessel 1.
  • a flexible elongated member 20 is with one end thereof connected to the pipeline at the suspension point and with the other end thereof connected to the hoisting means 14.
  • the suspension point 35 is lowered by means of an A&R line 31.
  • the load of the pipeline 2 is subsequently transferred to the hoisting means 14 via the flexible member 20.
  • the A&R line 31 is disconnected from the suspension point 35 and recovered as shown in.
  • the suspension point 35 (and indirectly also the pipeline 2) is now ready to be transferred by the hosting means 14 to a final position which may be located on a target platform 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Pipeline Systems (AREA)

Abstract

La présente invention concerne (1) un navire destiné à la pose de pipeline (2). Il comporte notamment un pont (3) et un organe de pose de tube (6) définissant une ligne de pose (7). Pour l'utilisation, le pipeline ou l'équipement incluant le pipeline est suspendu au navire en un point de suspension (35) qui, pour les opérations de pose, se situe dans l'organe de pose de tube. Le navire comporte également un organe de transport (8) servant à transporter, entre l'organe de pose de tube et une position cible (9) sur le navire, le point de suspension du pipeline en dessous du pont. L'invention concerne également l'utilisation dudit navire et un procédé consistant à transporter le point de suspension en dessous du pont au moyen de l'organe de transport.
PCT/NL2007/000328 2007-12-21 2007-12-21 Navire et procédé de pose de pipeline WO2009082192A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/NL2007/000328 WO2009082192A1 (fr) 2007-12-21 2007-12-21 Navire et procédé de pose de pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2007/000328 WO2009082192A1 (fr) 2007-12-21 2007-12-21 Navire et procédé de pose de pipeline

Publications (1)

Publication Number Publication Date
WO2009082192A1 true WO2009082192A1 (fr) 2009-07-02

Family

ID=39926494

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2007/000328 WO2009082192A1 (fr) 2007-12-21 2007-12-21 Navire et procédé de pose de pipeline

Country Status (1)

Country Link
WO (1) WO2009082192A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9079643B2 (en) 2010-01-13 2015-07-14 Saipem S.P.A. Undersea pipe-laying

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007000609A2 (fr) * 2005-06-29 2007-01-04 Acergy Uk Limited Navire de pose de conduites et procede d'exploitation de ce navire

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007000609A2 (fr) * 2005-06-29 2007-01-04 Acergy Uk Limited Navire de pose de conduites et procede d'exploitation de ce navire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9079643B2 (en) 2010-01-13 2015-07-14 Saipem S.P.A. Undersea pipe-laying
US9409633B2 (en) 2010-01-13 2016-08-09 Saipem S.P.A. Undersea pipe-laying
US9862465B2 (en) 2010-01-13 2018-01-09 Saipem S.P.A. Undersea pipe-laying

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