IE40457B1 - A process for laying submarine pipeline - Google Patents

A process for laying submarine pipeline

Info

Publication number
IE40457B1
IE40457B1 IE2664/74A IE266474A IE40457B1 IE 40457 B1 IE40457 B1 IE 40457B1 IE 2664/74 A IE2664/74 A IE 2664/74A IE 266474 A IE266474 A IE 266474A IE 40457 B1 IE40457 B1 IE 40457B1
Authority
IE
Ireland
Prior art keywords
pipe
vehicle
submarine
collar
weight
Prior art date
Application number
IE2664/74A
Other versions
IE40457L (en
Original Assignee
British Petroleum Co
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 British Petroleum Co filed Critical British Petroleum Co
Publication of IE40457L publication Critical patent/IE40457L/en
Publication of IE40457B1 publication Critical patent/IE40457B1/en

Links

Classifications

    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • 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
    • 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
    • F16L1/26—Repairing or joining pipes on or under water
    • F16L1/265—Underwater vehicles moving on the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Pipeline Systems (AREA)

Abstract

1489186 Laying submarine pipe-lines BRITISH PETROLEUM CO Ltd 30 Dec 1974 [30 Jan 1974] 04241/74 Heading F2P [Also in Division B7] A process for laying a submarine pipe-line adapted to bring ashore crude oil which comprises forming a fibre reinforced pipe from a thermosetting resin within a submerged submarine vehicle capable of moving over the sea bed, weight coating the formed pipe within the vehicle and passing the coated pipe from the submerged vehicle. The fibre reinforcement is glass fibres and/or metal wire and the thermosetting resin is an unsaturated polyester or a polyepoxide. The weight coating consists of an aggregate bonded together with a thermosetting resin, preferably that used in the preparation of the pipe. The pipe may be surrounded by an outer collar thus defining a cavity between the pipe and collar in which the weight coating material is formed. The collar is of a plastics material having an Izod impact strength of greater than 2. There are a series of collars positioned and designed so that the coating material does not have uniform thickness along the pipe so that the coated pipe has increased flexibility. The collar may have internal ribs or projections and adjacent collars may overlap and form a protective cover over the weight coated pipe. In an alternative arrangement an outer cover formed from high density polyethylene is rolled over the pipe and weighting material is introduced between the pipe and the cover. The figure shows a submarine vehicle for laying submarine pipe-line and which is capable of controlled movement on or closely above the sea bed and comprises means 6 for forming a fibre reinforced plastics pipe, means 10 for weight coating the pipe and means, compression chambers 11, 12, for passing the weight coated pipe from the submerged vehicle. There is also means so that the extruding pipe can be directed upwards to the sea surface. The vehicle could be driven by nuclear power and has docking parts 14-17 to which supply pipes or supply submarines can be attached. A mandrel can be provided within the pipe that can be expanded to seal the pipe-line. [GB1489186A]
IE2664/74A 1974-01-30 1974-12-30 A process for laying submarine pipeline IE40457B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4251/74A GB1489186A (en) 1974-01-30 1974-01-30 Process for laying submarine pipeline

Publications (2)

Publication Number Publication Date
IE40457L IE40457L (en) 1975-07-30
IE40457B1 true IE40457B1 (en) 1979-06-06

Family

ID=9773391

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2664/74A IE40457B1 (en) 1974-01-30 1974-12-30 A process for laying submarine pipeline

Country Status (6)

Country Link
DE (1) DE2503618A1 (en)
DK (1) DK140385B (en)
GB (1) GB1489186A (en)
IE (1) IE40457B1 (en)
NL (1) NL7500508A (en)
NO (1) NO142316C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443009A1 (en) * 1978-06-29 1980-06-27 Tim Tech Ind Minieres METHOD FOR LAYING SUBMERSIBLE PIPES AND RELATED DEVICE
US4721410A (en) * 1985-01-29 1988-01-26 Santa Fe International Corporation Reel pipe coating and laying vessel and process
GB9717751D0 (en) * 1997-08-21 1997-10-29 Devonport Royal Dockyard Ltd Pipeline manufacture
GB2354810A (en) * 1999-09-29 2001-04-04 Wijayarathna Mudi Wijayarathna Using a submarine in pipelaying operations
JP5695189B2 (en) 2010-05-25 2015-04-01 エイデ, モートンEIDE, Morten Method for producing an elongated object by wrapping at least one curable sticker-coated yarn on a core element
CN103335187B (en) * 2013-07-18 2015-04-01 泉州市路通管业科技有限公司 Method for performing submarine glass fiber reinforced plastic pipeline lunching construction by using submarine glass fiber reinforced plastic pipeline joint
DE102013111970A1 (en) * 2013-10-30 2015-04-30 Egeplast International Gmbh Method for laying a long pipe string
CN112227514A (en) * 2020-07-15 2021-01-15 杭州市市政工程集团有限公司 Construction method of sewage allocation main pipe network

Also Published As

Publication number Publication date
NO142316B (en) 1980-04-21
NO142316C (en) 1980-07-30
DK140385C (en) 1980-01-28
DE2503618A1 (en) 1975-07-31
DK20775A (en) 1975-10-13
DK140385B (en) 1979-08-13
IE40457L (en) 1975-07-30
NO750208L (en) 1975-08-25
GB1489186A (en) 1977-10-19
NL7500508A (en) 1975-08-01

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