EP0621842B1 - Device for the manipulation of a flexible elongated member - Google Patents

Device for the manipulation of a flexible elongated member Download PDF

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Publication number
EP0621842B1
EP0621842B1 EP93903336A EP93903336A EP0621842B1 EP 0621842 B1 EP0621842 B1 EP 0621842B1 EP 93903336 A EP93903336 A EP 93903336A EP 93903336 A EP93903336 A EP 93903336A EP 0621842 B1 EP0621842 B1 EP 0621842B1
Authority
EP
European Patent Office
Prior art keywords
carriers
pipeline
guide track
section
elongate body
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
Application number
EP93903336A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0621842A1 (en
Inventor
Kaere Syvertsen
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.)
Advanced Production and Loading AS
Original Assignee
MARINE CONSULTING GROUP 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 MARINE CONSULTING GROUP AS filed Critical MARINE CONSULTING GROUP AS
Publication of EP0621842A1 publication Critical patent/EP0621842A1/en
Application granted granted Critical
Publication of EP0621842B1 publication Critical patent/EP0621842B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships
    • B67D9/02—Apparatus or devices for transferring liquids when loading or unloading ships using articulated pipes
    • 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 invention relates to an apparatus for handling and storing a bendable elongate body in extended horizontal position, preferably a length of flexible pipeline intended for fluid conduction.
  • the invention was developed primarily in connection with the need for a fluid transfer system between a maritime floating oil storage facility, for example a large-size barge with oil storing capacity, and a so-called shuttle tanker.
  • the oil tank barge is anchored or dynamically positioned on the oil production field and serves as an intermediate storage means for the oil produced. From this barge the oil is loaded over into tankers, which on arrival at the field are connected to the barge by suitable mooring means, whereafter a fluid conducting pipe connection is established between the barge and tanker.
  • the fluid conducting pipe connection is formed by a length of fluid conducting pipeline which, when not in use, is stored on the barge.
  • the flexible pipeline hangs suspended between the barge and tanker, more or less submerged in the water, or if desired is freely suspended above the water surface.
  • the length of flexible pipeline is advantageously stored in extended horizontal position on the deck of the barge.
  • the flexible pipeline is to be utilized for fluid transfer between the barge and tanker, the flexible pipe is fed down into the water from its horizontal storage position on board the barge via a ramp curved downward in the vertical plane.
  • the pipeline is uncoupled and drawn on board the barge again.
  • the handling of the flexible length of pipeline during the transition between its storage and usage states can lead to difficulties due to the fact that it involves a flexible pipeline which must be handled in a relatively gentle manner and which, in both handling and storage, requires an evenly distributed support means along the length of the pipeline, spaced at moderate intervals.
  • a continuous support such as would be provided, for example, if the pipeline were to be laid directly on the barge deck, is undesirable because the feeding out/hauling in of the pipeline would generate too much friction between the pipeline and the supporting deck surface.
  • Lifting of the pipeline and its manipulation in the longitudinal direction with the aid of crane equipment is highly undesirable as well as impossible to implement in practice.
  • an apparatus for feeding and storing a bendable, elongate body in extended, horizontal position, preferably a length of flexible pipeline intended for fluid conduction, comprising a guide track having support means for the bendable elongate body, which apparatus is characterized in that the support means are constructed as carriers in the guide track, slidable in the longitudinal direction thereof, for bearing the bendable elongate body, without substantial mutual movement between carriers and said elongated body.
  • slidable carriers in a guide track affords a means of handling (transport) with little frictional resistance, at the same time as the carriers spaced at suitable intervals will provide the necessary bearing or support of, for example, a length of flexible pipeline, not only during movement, but also during the actual storage thereof.
  • a particularly advantageous embodiment of the apparatus according to the invention is one where the guide track comprises a storage section, where the carriers are stored when not in use, and a horizontal bearing section, where the carriers are situated when in use and bearing said elongate body.
  • Such an embodiment affords the advantage that when, for example, a length of flexible pipeline is being fed out, the carriers may be steered away from and out of supporting contact with the length of pipeline when it is, for example, lowered into the sea via a suitable ramp. Conversely, the carriers may be brought into supporting contact with the pipeline when it is hauled in and passes from the ramp and over into the horizontal bearing section (for storage).
  • a further and particularly advantageous improvement on this apparatus is the construction of said storage section as a section of track line extending diagonally downward from one end of the horizontal bearing section.
  • a particularly expedient embodiment of the apparatus is one where the guide track is arranged with its horizontal bearing section on level with a support path for the body, with said sloping storage section extending down under the support path.
  • This support path advantageously comprises a ramp section curved downward in the vertical plane, along which the pipeline is lowered down into the water and, conversely, is drawn up.
  • the carriers slide down into the storage section, as mentioned above, and will remain there, ready for reuse when the pipeline is drawn up (hauled in).
  • the carriers may then be brought successively from the storage section into supporting contact with the pipeline and pass over into the horizontal bearing section, which forms the storage area.
  • the carriers may be coupled to a flexible, elongated drive member, for example a chain, running in the longitudinal direction of the body or pipeline.
  • each carrier being formed as a cradle adapted to the circumferential shape of the elongate body, having running wheels at each end of the cradle for movement on/in the guide track.
  • the cradle will provide the required support for the body or pipeline, and one will achieve the desired support at suitable longitudinal intervals by arranging the cradles to have the desired and appropriate spacing, preferably coupled to the aforementioned chain or the like.
  • the upwardly open cradle form will immediately permit the cradle (carrier) to be released from its bearing engagement with the body or pipeline and to pass down into the storage section; conversely, the cradles will gain supporting contact with the underside of the body or pipeline when the latter is hauled in again.
  • the apparatus according to the invention may advantageously include a winch to be used for hauling in and feeding out the body, and an auxiliary winch to be used to initiate the discharge, for pulling the body or pipeline far enough out that its own weight causes the body/pipeline to glide further out by itself, held in check by the main winch.
  • a barge l on the deck 2 of which is placed an apparatus for storing a length of flexible pipeline 3.
  • This pipeline length 3 may be moved rearward (to the left in Figs. 1 and 2) and lowered down into the water via a suitable ramp 4, so that pipeline 3 may thereby be fed down into the water, as indicated by the dotted line in Fig. 1 below ramp 4.
  • Ramp 4 is positioned at the stern end of barge l and forms a support path for flexible pipeline 3.
  • the visible end of the flexible pipeline is provided with a connector head 5, from which a cable 6 extends to a winch 7.
  • a guide track 8 extends in the direction toward winch 7, which track is sufficiently long to receive the entire length of pipeline 3.
  • the length of pipeline 3 may be, for example, as long as 50 m or more.
  • guide track 8 consists very simply of two parallel extending angle beams 13, 14, or similar structures. These run parallel to other, spaced apart, and on the horizontal beam flanges are securely welded respective track profiles 15, 16. These form respective runways for running wheels 17, 18 on carrier 10.
  • Each carrier 10 is formed as a cradle, with a respective running wheel 17, 18 at each end.
  • the cradle shape is adapted to the circumferential shape of pipeline 3; see, for example, Fig. 8.
  • the guide track may be straight, or it may be provided with a curve in the horizontal plane.
  • This support may be in the form of slide surfaces or support wheels having a vertical axis 28 that is built into carriers 10. The slide surface or support wheel where necessary runs against a support surface 29; see Fig. 8b.
  • Fig. 8 shows use of side brackets 19 extending out from, for example, a deck housing 20, while Fig. 9 shows a suspension device whereby the track line is suspended in brackets 21 from below a deck 22, while Fig. 10 shows an arrangement where trestles 25 rise up from deck 23 and support the guide track 13, 14.
  • the guide track includes a storage section 9. This is produced by the bending of angle beams 13, 14 downward in the vertical plane to form a diagonal track line where carriers 10 may be lined up, as shown in Figs. 3 and 4.
  • the individual carriers 10 are, as mentioned previously, connected together by means of a chain 11, so as to form a train or chain of carriers.
  • All the carriers 10 are identical, preferably with the exception of the first and last carrier which advantageously may be designed for a special fit onto the connector heads 5 formed on the ends of pipeline 3.
  • all the carriers may be alike, as mentioned above, and may be constructed in a very simple manner, as shown in Figs. 5-6, where the carrier or cradle is made from a curved steel T-beam, in this case covered with a rubber coating 26.
  • the running wheels 17 and 18 are fastened to the cradle ends in a suitable manner, by means of simple brackets or a housing screwed securely thereto.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Surgical Instruments (AREA)
  • Supports For Pipes And Cables (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Chain Conveyers (AREA)
  • Packages (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Manipulator (AREA)
  • Switches With Compound Operations (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Steering Controls (AREA)
  • Endoscopes (AREA)
  • Earth Drilling (AREA)
  • Pipeline Systems (AREA)
  • External Artificial Organs (AREA)
  • Package Closures (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Packaging Of Special Articles (AREA)
EP93903336A 1992-01-20 1993-01-07 Device for the manipulation of a flexible elongated member Expired - Lifetime EP0621842B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO920251A NO174381C (no) 1992-01-20 1992-01-20 Anordning for håndtering og lagring av et böyelig langstrakt legeme
NO920251 1992-01-20
PCT/NO1993/000005 WO1993013977A1 (en) 1992-01-20 1993-01-07 Device for the manipulation of a flexible elongated member

Publications (2)

Publication Number Publication Date
EP0621842A1 EP0621842A1 (en) 1994-11-02
EP0621842B1 true EP0621842B1 (en) 1996-06-12

Family

ID=19894795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93903336A Expired - Lifetime EP0621842B1 (en) 1992-01-20 1993-01-07 Device for the manipulation of a flexible elongated member

Country Status (10)

Country Link
EP (1) EP0621842B1 (no)
AT (1) ATE139192T1 (no)
AU (1) AU663162B2 (no)
DE (1) DE69303156T2 (no)
DK (1) DK0621842T3 (no)
ES (1) ES2088665T3 (no)
FI (1) FI943417A (no)
GR (1) GR3020224T3 (no)
NO (1) NO174381C (no)
WO (1) WO1993013977A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO174380C (no) * 1992-01-20 1994-04-27 Marine Consulting Group As Fluidumoverföringssystem
NO300998B1 (no) * 1995-09-08 1997-09-01 Hitec Marine As Renne for en slange for overföring av olje mellom to flytende konstruksjoner
NO970301L (no) * 1997-01-24 1998-07-27 Pgs Offshore Technology As Anordning ved tankskip

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758495A (fr) * 1969-11-19 1971-05-05 Inst Francais Du Petrole Dispositif de stockage et de manutention d'une conduite flexible a bordd'un navire
US3766938A (en) * 1972-01-26 1973-10-23 Exxon Research Engineering Co Cargo transfer system for a floating storage vessel and offtaker moored in tandem
GB1581326A (en) * 1977-03-31 1980-12-10 Sea Terminals Oil storage vessel and method of delivering oil
NO174380C (no) * 1992-01-20 1994-04-27 Marine Consulting Group As Fluidumoverföringssystem

Also Published As

Publication number Publication date
FI943417A (fi) 1994-08-22
AU3463693A (en) 1993-08-03
AU663162B2 (en) 1995-09-28
NO920251L (no) 1993-07-21
ATE139192T1 (de) 1996-06-15
DE69303156D1 (de) 1996-07-18
FI943417A0 (fi) 1994-07-19
DK0621842T3 (da) 1996-07-08
DE69303156T2 (de) 1996-10-24
WO1993013977A1 (en) 1993-07-22
GR3020224T3 (en) 1996-09-30
NO920251D0 (no) 1992-01-20
ES2088665T3 (es) 1996-08-16
NO174381B (no) 1994-01-17
EP0621842A1 (en) 1994-11-02
NO174381C (no) 1994-04-27

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