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FR2384191A2 - Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed - Google Patents

Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed

Info

Publication number
FR2384191A2
FR2384191A2 FR7707825A FR7707825A FR2384191A2 FR 2384191 A2 FR2384191 A2 FR 2384191A2 FR 7707825 A FR7707825 A FR 7707825A FR 7707825 A FR7707825 A FR 7707825A FR 2384191 A2 FR2384191 A2 FR 2384191A2
Authority
FR
France
Prior art keywords
floats
sections
water bed
supported above
above water
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.)
Granted
Application number
FR7707825A
Other languages
French (fr)
Other versions
FR2384191B2 (en
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
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
Priority to FR7707825A priority Critical patent/FR2384191A2/en
Priority to IT20840/78A priority patent/IT1092998B/en
Priority to ES468035A priority patent/ES468035A1/en
Priority to NL7802504A priority patent/NL7802504A/en
Priority to OA56432A priority patent/OA05907A/en
Priority to NO780877A priority patent/NO780877L/en
Priority to BR7801592A priority patent/BR7801592A/en
Publication of FR2384191A2 publication Critical patent/FR2384191A2/en
Application granted granted Critical
Publication of FR2384191B2 publication Critical patent/FR2384191B2/fr
Granted 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)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Pipe Accessories (AREA)
  • Electric Cable Installation (AREA)

Abstract

Installation for laying pipes under water, where the conduit is intended to be submerged on the bottom of the sea or watercourse, involves provision of negative floating ability for pipe sections laid at regular or irregular distances so that these (2, 3) support on the bottom (4) and a positive floating ability whereby the remainder of the conduit sections float (5, 6, 7) between two water levels or rest on the bottom. A distributed ballast is used to provide the negative floating ability for those sections placed directly on the bottom, whilst floats are provided for the remainder, ensuring a positive floatability, or one which is only just positive. These latter sections are maintained at a slight distance above the water bed, e.g. by towing cables.
FR7707825A 1977-03-16 1977-03-16 Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed Granted FR2384191A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7707825A FR2384191A2 (en) 1977-03-16 1977-03-16 Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed
IT20840/78A IT1092998B (en) 1977-03-16 1978-03-03 LAYING DEVICE FOR AN IMMERSED CONDUCT
ES468035A ES468035A1 (en) 1977-03-16 1978-03-06 Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed
NL7802504A NL7802504A (en) 1977-03-16 1978-03-07 DEVICE FOR LAYING PIPES UNDER WATER.
OA56432A OA05907A (en) 1977-03-16 1978-03-10 Device for laying a submerged pipe.
NO780877A NO780877L (en) 1977-03-16 1978-03-13 DEVICE FOR LAYING A SUBMITTED PIPE PIPE
BR7801592A BR7801592A (en) 1977-03-16 1978-03-15 DEVICE FOR THE SETTING OF A CONDUCT INTENDED TO BE IMMERSED IN THE SEA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7707825A FR2384191A2 (en) 1977-03-16 1977-03-16 Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed

Publications (2)

Publication Number Publication Date
FR2384191A2 true FR2384191A2 (en) 1978-10-13
FR2384191B2 FR2384191B2 (en) 1980-05-16

Family

ID=9188176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707825A Granted FR2384191A2 (en) 1977-03-16 1977-03-16 Underwater pipe laying installation - has ballast distributed to bottom lying sections and floats for others supported above water bed

Country Status (7)

Country Link
BR (1) BR7801592A (en)
ES (1) ES468035A1 (en)
FR (1) FR2384191A2 (en)
IT (1) IT1092998B (en)
NL (1) NL7802504A (en)
NO (1) NO780877L (en)
OA (1) OA05907A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006117249A3 (en) * 2005-05-05 2007-03-01 Acergy France Sa Towing and subsea installation of long articles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006117249A3 (en) * 2005-05-05 2007-03-01 Acergy France Sa Towing and subsea installation of long articles
GB2439241A (en) * 2005-05-05 2007-12-19 Acergy France Sa Towing and subsea installation of long articles
GB2439241B (en) * 2005-05-05 2010-07-14 Acergy France Sa Towing and subsea installation of long articles

Also Published As

Publication number Publication date
NO780877L (en) 1978-09-19
BR7801592A (en) 1978-10-03
OA05907A (en) 1981-05-31
NL7802504A (en) 1978-09-19
ES468035A1 (en) 1979-07-01
IT1092998B (en) 1985-07-12
IT7820840A0 (en) 1978-03-03
FR2384191B2 (en) 1980-05-16

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