• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The method of laying an underwater pipeline which is assembled in sections at the shoreline and conveyed from the shoreline along the bottom of a waterway, said pipeline being divided by separation means into a plurality of cylindrical sections provided with regulating means for selectively introducing thereto or removing therefrom ballast water or compressed air, which comprises flooding at least a portion of the cylindrical sections in sequence as they are introduced into the waterway in order to achieve a desired residual weight, maintaining said desired residual weight by introducing compressed air into said cylindrical sections to displace excess ballast water contained therein, and continuing the layering of the pipeline along the bottom of the waterway by selectively supplying or discharging ballast water or compressed air to the cylindrical sections, and completely flooding the pipeline to complete its positioning at the bottom of the waterway and removing the cylindrical sections and the compressed air and ballast introducing and removing means from the pipeline.
    公开号:SU1530103A3
    申请号:SU864028666
    申请日:1986-12-05
    公开日:1989-12-15
    发明作者:Анселми Альберто；Салталамаккия Бруно
    申请人:Снампрогетти С.П.А. (Фирма)；
    IPC主号:
    专利说明:

    this closes manhole 7. covers 3 with a pre-worn, wear and tear 1) 1 mi plugs together with valve fi and 7. 2 1) -. gee, I il.
    3 .p.
    The invention relates to the construction and may be used in the construction of water intake pipelines with a diameter of more than 2.5 m with a wall thickness of 15-30 mm by dragging.
    The purpose of the invention is to increase the pipeline reliability by selectively adjusting the residual weight of each section of the pipeline in accordance with changes in drag conditions.
    The drawing shows a schematic of the pipeline.
     Before starting pulling, removable partition walls 4 are installed in each section of pipeline 1 enclosed between adjacent holes 2 with cover 3, which divide the internal volume of the pipeline into isolated cylindrical volumes 5.
    Removable partition walls 4 can be made in the form of pneumatic balls filled with gas, deaf monolithic plates with toroidal seals around the periphery, filled with compressed gas, from modular plates that form a deaf disk-shaped partition with an expansion toroidal 1m 1m seal.
    Each cover 3 is provided with fittings with valves 6 and 7 connected to the process piping.
    The fitting with the valve 6 is connected to the nozzle 8, which reaches the bottom of the cylindrical volume 5, and is intended for supplying and discharging ballast water. The fitting with valve 7 is intended for supply and release. compressed air.
    The installed pipeline 1 is dragged along the bottom 9 of the reservoir and, through loading valve 6, the cylindrical volumes 5 are filled with water, increasing their weight by the calculated value, with a residual weight
    within 10 - 30 kg / m. The value of the residual weight of each of the cylindrical volumes 5 depends on the parameters of the pipeline, the surface irregularities, changes in the hydrological

    0
    five
    0
    d

    „
    five
    furnishings, traction equipment. The amount of ballasting water is controlled by a meter installed on the process water pipeline.
    After the installation has been completed, the pipeline 1 is completely filled with water, the process pipelines, valves 6 and 7 and covers 3 with pipes 8 are disconnected and the dismantled partition walls 4 are removed through the laps 2 and it is possible to remove the partition walls through the ends of the pipe 1. Then Close manholes 2 with covers 3 with pre-installed plugs on fittings instead of valves b and 7.
    The invention can be used when laying pipelines through small reservoirs that are sensitive to loads that are not uniform along the length of the pipeline due to bottom irregularities or different flow rates.
    Quality: removable partitions can be used; balloons connected by a cable can be used, and valves can be installed directly on the pipeline.
    权利要求:
    Claims (3)
    [1]
    1. The method of laying a large diameter subsea pipeline, which consists in mounting it on the shore, in order; 1; Ke by pulling while simultaneously filling it with water, so that, in order to increase the reliability of the pipeline, before pulling its internal volume is divided into temporary cylinders into cylindrical compartments, each of which is connected by fittings with technological pipelines of compressed air and water, during pulling regulate the residual weight of each compartment, and after pulling the pipeline PO WHETHER 4 is filled with water, the temporary bulkheads and choke pipes are removed.
    [2]
    2. A method according to claim 1, characterized in that the pipelines.
    5153U103 6
    having manholes for water intake,
    [3]
    3. The method according to claim 1, is distinguished by partitions mounted by u and in that the weight between the manholes and the fittings of the compartments are adjusted in the range of 10 on the manholes 30 kg / m.
    类似技术:
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    GB2222425A|1990-03-07|Dredging system for backfilling
    CN212039154U|2020-12-01|Mud discharging device for structure
    SU1668564A1|1991-08-07|Underwater piping laying procedure
    同族专利:
    公开号 | 公开日
    IT1186412B|1987-11-26|
    CA1263245A|1989-11-28|
    CN86108852A|1987-10-28|
    CN1011529B|1991-02-06|
    IN168437B|1991-04-06|
    US4778306A|1988-10-18|
    SE8605148D0|1986-12-01|
    NO864843L|1987-06-09|
    GB2183776A|1987-06-10|
    IT8523129D0|1985-12-06|
    GB2183776B|1989-10-11|
    SE8605148L|1987-06-07|
    JPS62147186A|1987-07-01|
    NO864843D0|1986-12-02|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US30825A|1860-12-04|johnson |
    US2731800A|1956-01-24|collins |
    US650134A|1900-01-09|1900-05-22|Hiram W Phillips|Apparatus for submarine pipe-laying.|
    US2807937A|1954-07-15|1957-10-01|Macco Corp|Subaqueous pipeline bulkhead construction|
    US3487648A|1965-05-21|1970-01-06|Brown & Root|Methods for laying pipelines|
    US3479831A|1967-09-20|1969-11-25|Columbia Gas Syst|Method and system for laying pipe under water|
    US3583169A|1969-07-08|1971-06-08|North American Rockwell|Submarine pipeline laying|
    US3756034A|1972-04-04|1973-09-04|Brown & Root|Method and apparatus for laying pipelines|
    US3890693A|1972-10-26|1975-06-24|Harold N Eagleton|Method for controlled pressurization of a pipeline during construction thereof|
    US3977201A|1975-03-19|1976-08-31|Bittner Robert B|Method and apparatus for preventing buckling of pipeline as it is being assembled and laid on the ocean floor|
    ES459541A1|1976-05-31|1978-11-16|Doris Dev Richesse Sous Marine|Float for use in laying submarine pipelines|
    AT19146T|1980-10-17|1986-04-15|Wolfgang Dipl Ing Zeilinger|METHOD FOR LAYING PIPELINES IN WATER.|
    US4360290A|1980-12-17|1982-11-23|Shell Oil Company|Internal pipeline plug for deep subsea pipe-to-pipe pull-in connection operations|NO172456C|1987-02-03|1993-07-21|Norwegian Contractors|DEVICE AND PROCEDURE FOR RELEASE, BALLAGE AND DEBALLAGE OF PIPE BODIES|
    US4929124A|1988-07-28|1990-05-29|Ocean Farms Of Hawaii Limited Partnership|Method and apparatus for constructing and moving long pipelines|
    US5294214A|1992-05-29|1994-03-15|Union Oil Company Of California|Gas eliminator for offshore oil transfer pipelines|
    DE4423815C2|1994-07-06|1996-09-26|Loesche Gmbh|Mill classifier|
    US5899635A|1997-05-09|1999-05-04|Kuja; Michael W.|Transportation underwater tunnel system|
    DE19954430A1|1999-11-11|2001-05-31|Karl Heinz Krah Gmbh Werkzeug|Procedure for laying pipelines in the sea or in larger inland waters|
    DE50008665D1|2000-02-02|2004-12-23|Distec Gmbh|Plakataufhängevorrichtung|
    GB0109049D0|2001-04-11|2001-05-30|Psl Technology Ltd|Method|
    JP4739606B2|2001-08-28|2011-08-03|大成建設株式会社|Structure of submerged piping|
    US7155848B2|2003-06-05|2007-01-02|501413 Ontario Limited|Apparatus for a scrolling sign|
    US8226328B2|2008-09-03|2012-07-24|Fairfield Industries Incorporated|Seismic cable with adjustable buoyancy|
    CN102162555B|2011-04-12|2013-01-02|中国十九冶集团有限公司|Method for laying pulp pipelines in marsh district|
    CN103590421B|2013-11-07|2015-08-19|浙江海洋学院|Off-shore pipeline anti-aging storage method and beach off-shore pipeline anti-aging store the pool|
    CN103899842B|2014-04-23|2017-01-11|中国海洋石油总公司|Method for installing deepwater online tee joint|
    FR3028912B1|2014-11-20|2016-12-30|Technip France|METHOD FOR PLACING A FLEXIBLE LINE COMPRISING AN EXTERNAL SHEATH DELIMINATING AN INTERNAL VOLUME AND FLEXIBLE LINE ASSOCIATED THEREWITH|
    CN104613234B|2015-01-15|2016-08-24|中国海洋石油总公司|The recovery method of deepwater pipelines pipe abandon|
    CN106167229B|2016-06-21|2018-06-08|中交天航港湾建设工程有限公司|A kind of construction method of the underwater pipeline of dredging of marine lifting|
    GB2574586B|2018-06-05|2021-06-23|Subsea 7 Ltd|Connecting multi-bore structures in water|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    IT23129/85A|IT1186412B|1985-12-06|1985-12-06|PROCEDURE FOR LAUNCHING LANDS OF LARGE DIVING CONDUCT FROM THE LAND, ESPECIALLY FOR TAKING WORKS|
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