GB1536896A - Laying submarine pipelines - Google Patents

Laying submarine pipelines

Info

Publication number
GB1536896A
GB1536896A GB21748/76A GB2174876A GB1536896A GB 1536896 A GB1536896 A GB 1536896A GB 21748/76 A GB21748/76 A GB 21748/76A GB 2174876 A GB2174876 A GB 2174876A GB 1536896 A GB1536896 A GB 1536896A
Authority
GB
United Kingdom
Prior art keywords
pipeline
assembly
water
tube
laying
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
Application number
GB21748/76A
Inventor
Jacques Edouard Lamy
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.)
Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
Original Assignee
Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
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
Priority claimed from FR7516962A external-priority patent/FR2312714A1/en
Priority claimed from FR7614432A external-priority patent/FR2351339A2/en
Application filed by Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris filed Critical Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
Publication of GB1536896A publication Critical patent/GB1536896A/en
Expired legal-status Critical Current

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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/14—Laying or reclaiming pipes on or under water between the surface and 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
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/16—Laying or reclaiming pipes on or under water on the bottom
    • F16L1/163—Laying or reclaiming pipes on or under water on the bottom by varying the apparent weight of the pipe during the laying operation
    • 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
    • F16L1/165—Laying or reclaiming pipes on or under water on the bottom by towing the pipe on or near the bottom

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipeline Systems (AREA)
  • Sewage (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Revetment (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

1536896 Laying pipelines COMPAGNIE GENERALE POUR LES DEVELOPPEMENTS OPERATIONNELS DES RICHESSES SOUS-MARINE C G DORIS 26 May 1976 [30 May 1975 13 May 1976] 21748/76 Heading F2P In laying a pipeline 1 in a body of water 2 the pipeline 1 is enclosed over its whole length within a continuous ballast tube 4 and as the assembly of the pipeline and ballast tube proceeds the intermediate space 5 between the pipeline and the ballast tube is filled with a liquid less dense than water, such as a light hydrocarbon, to give the assembly of pipeline and tube a positive buoyancy while the assembly is being laid and replacing the said liquid with a medium of sufficient density, such as soft water or a grouting having a base of an hydraulic or hydrocarbon binder, to cause the assembly to rest on the bed 2a.
GB21748/76A 1975-05-30 1976-05-26 Laying submarine pipelines Expired GB1536896A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7516962A FR2312714A1 (en) 1975-05-30 1975-05-30 METHOD AND DEVICE FOR FITTING A DUCT IN A WATER BODY
FR7614432A FR2351339A2 (en) 1976-05-13 1976-05-13 Underwater oil or gas pipeline laying - using ballast tube to enclose pipeline and provide variable buoyancy

Publications (1)

Publication Number Publication Date
GB1536896A true GB1536896A (en) 1978-12-29

Family

ID=26218896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21748/76A Expired GB1536896A (en) 1975-05-30 1976-05-26 Laying submarine pipelines

Country Status (9)

Country Link
BR (1) BR7603366A (en)
CA (1) CA1044027A (en)
ES (1) ES448600A1 (en)
GB (1) GB1536896A (en)
GR (1) GR68399B (en)
IT (1) IT1065982B (en)
NL (1) NL7605782A (en)
NO (1) NO143820C (en)
OA (1) OA05341A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207642A (en) * 1987-08-06 1989-02-08 Seaflex Buoyant support of flexible structures
GB2221276A (en) * 1988-07-01 1990-01-31 Norwegian Contractors Towing and installing prefabricated submarine pipelines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9400798A (en) * 1994-05-16 1996-01-02 Groot Nijkerk Maschf B V De Piping system.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207642A (en) * 1987-08-06 1989-02-08 Seaflex Buoyant support of flexible structures
GB2207642B (en) * 1987-08-06 1991-09-04 Seaflex Improvements in or relating to the buoyant support of flexible structures
GB2221276A (en) * 1988-07-01 1990-01-31 Norwegian Contractors Towing and installing prefabricated submarine pipelines
GB2221276B (en) * 1988-07-01 1992-07-29 Norwegian Contractors Towing and installing prefabricated submarine pipelines

Also Published As

Publication number Publication date
ES448600A1 (en) 1977-11-16
IT1065982B (en) 1985-03-04
OA05341A (en) 1981-02-28
NO761834L (en) 1976-12-01
NO143820B (en) 1981-01-05
GR68399B (en) 1981-12-29
BR7603366A (en) 1976-12-07
NL7605782A (en) 1976-12-02
NO143820C (en) 1981-04-15
CA1044027A (en) 1978-12-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee