CN110406641A - The dry defeated floating dress technique of haul of floating production storage offloading - Google Patents

The dry defeated floating dress technique of haul of floating production storage offloading Download PDF

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Publication number
CN110406641A
CN110406641A CN201910717416.8A CN201910717416A CN110406641A CN 110406641 A CN110406641 A CN 110406641A CN 201910717416 A CN201910717416 A CN 201910717416A CN 110406641 A CN110406641 A CN 110406641A
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China
Prior art keywords
production storage
floating
floating production
storage offloading
ship
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Pending
Application number
CN201910717416.8A
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Chinese (zh)
Inventor
杨洪所
刘雪宜
于常宝
袁汝华
陶付文
王圣强
廖凌之
张群
晏莱
胡双
闫斌
高秉峰
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Offshore Oil Engineering Co Ltd
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Offshore Oil Engineering Co Ltd
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Application filed by Offshore Oil Engineering Co Ltd filed Critical Offshore Oil Engineering Co Ltd
Priority to CN201910717416.8A priority Critical patent/CN110406641A/en
Publication of CN110406641A publication Critical patent/CN110406641A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/66Tugs

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention provides a kind of dry defeated floating dress technique of haul of floating production storage offloading, using following steps: one, preparation before semi-submerged ship loads;Two, floating production storage offloading is wet to drag the floating dress place of arrival;Three, floating production storage offloading, which longitudinally loads onto ship to float, pretends industry;Four, floating production storage offloading's shipment fixation and dry haul are defeated;It keeps stablizing after cooperating dilatory floating production storage offloading to reach predetermined shipment position using buoyancy tank of semi-submersible ship winch cable and craft tug, using laser alignment monitoring semi-submerged ship and floating production storage offloading relative position, semi-submerged ship, which floats, holds up floating production storage offloading until reaching transport drinking water, welding shipment fixing piece, the defeated floating industry of pretending of the dry haul of floating production storage offloading is completed, and the dry haul of semi-submerged ship delivery floating production storage offloading is defeated to set sail;It realizes that floating production storage offloading uses Ship Transportation partly latent, shortens the construction period, save engineering cost, safety is good.

Description

The dry defeated floating dress technique of haul of floating production storage offloading
Technical field
The present invention relates to a kind of dry defeated floating dress techniques of haul of floating production storage offloading.
Background technique
Currently, the floating dress technique of floating production storage offloading is loaded for semi-submerged ship, usually using laterally shipment side Formula carries out floating dress, and semi-submerged ship throws the fixed position of single anchor dive, and floating production storage offloading to be installed is longitudinally parallel with semi-submerged ship, then Floating production storage offloading is drawn to suitable position by the winch cable on semi-submerged ship, then semi-submerged ship, which floats, completes to load. But be limited to semi-submerged ship forecastle and floating box structure relative position, floating production storage offloading's length that such mode loads by Limitation exceeds overall length " overlength " the ship type floating production storage offloading of boat deck length available partly latent, can not be using cross Dress technique is floated to loading onto ship.
Summary of the invention
It is a primary object of the present invention to overcome drawbacks described above of the existing technology, and a kind of storage of Floating Production is provided and is unloaded The dry defeated floating dress technique of haul of oily device, realizes that overlength floating production storage offloading uses Ship Transportation partly latent, solves Floating Production It stores up Unloading Device and semi-submerged ship relative position is narrow, floating production storage offloading's hull protrusion and floating dress guiding device blocking The problem of, it shortens the construction period, saves engineering cost, improve engineering efficiency and safety.
The purpose of the present invention is implemented by the following technical solutions.
The dry defeated floating dress technique of haul of floating production storage offloading of the present invention, it is characterised in that: using following steps: first It walks, the preparation before semi-submerged ship loading;Second step, floating production storage offloading is wet to drag the floating dress place of arrival;Third step is floated Formula production storage Unloading Device, which longitudinally loads onto ship to float, pretends industry;4th step, floating production storage offloading's shipment fixation and dry haul are defeated.
The dry defeated floating dress technique of haul of floating production storage offloading above-mentioned, in which:
Preparation before the first step semi-submerged ship loads includes:
(1) according to floating production storage offloading's specification to be loaded, guiding device, pre- cloth pillow are arranged in boat deck partly latent Wood;
(2) semi-submerged ship loading operation place is determined according to the harbour hydrology, geology and the normal condition of navigation, it is pre- to throw auxiliary half The interim mooring system of ship stern at latent ship control accommodation, and complete pretension test;
(3) determine that semi-submerged ship loads the work of floating production storage offloading according to the normal condition of tidal current table and weather forecast Ship bow during industry time and operation is to making semi-submerged ship arrive at operating location;
(4) semi-submerged ship puts bower anchor to throwing according to scheduled ship bow, and the interim mooring system of ship stern and semi-submerged ship ship stern are twisted Vehicle connection forms multipoint mooring and controls semi-submerged ship accommodation;
(5) it is cleared up before semi-submerged ship dive, the removable goods and materials in fixed deck, removing remaining can floating object and rubbish;
(6) dive of semi-submerged ship ballast is until drinking water needed for loading, tightens stem, ship stern mooring system, control stem partly latent To;
The second step floating production storage offloading is wet to drag the floating dress place of arrival to include:
(1) floating production storage offloading is adjusted in advance in harbour to absorb water to load draught, and require bow stern trim on even keel, in advance Hawser first is pulled needed for the floating dress of arrangement, releases floating production storage offloading and pier mooring hawser;
(2) under the instruction of harbor pilot, the wet hauling-out port of floating production storage offloading is controlled by six craft tugs Floating dress operating location is arrived at, and controls floating production storage offloading in lieto of stopping at 500 ± 50m of semi-submerged ship ship stern, Floating production storage offloading's passage of command is to floating dress operation command;
(3) under the instruction of floating dress operation command, pacified at floating production storage offloading's starboard stem using mooring boat Dress isolation is refuted, and the underwater protrusion of floating production storage offloading's starboard and semi-submerged ship guiding device blocking are prevented;
(4) six craft tug control floating production storage offloading's dead slow speeds control Floating Production close to semi-submerged ship ship stern Unloading Device bow is stored up to face semi-submerged ship, is stopped at 100 ± 10m of semi-submerged ship ship stern, waits floating and pretends slack tide needed for industry Phase;
Longitudinally shipment is floating pretends industry and include: for the third step floating production storage offloading
(1) Normal practice for combining weather forecast and live sea conditions selects the suitable floating dress activity duration, by band cable Winch hawser on semi-submerged ship ship stern buoyancy tank is delivered to floating production storage offloading and is connected with the hawser arranged in advance by ship, is completed Cross lines connection between semi-submerged ship and floating production storage offloading;
(2) under the instruction of floating dress operation command, from a craft tug pull floating production storage offloading's dead slow speed to Preceding movement, another craft tug towing floating production storage offloading's ship stern control forward speed, other four craft tugs In the cooperation of floating production storage offloading's port and starboard, floating production storage offloading is moved in parallel forward;
(3) cross lines belt tensioner power controls floating production storage offloading direction with six craft tug coordinateds, makes It obtains floating production storage offloading and steadily enters semi-submerged ship ship stern, along the steady dead slow ahead of guiding device;
(4) after semi-submerged ship ship stern buoyancy tank arrives in floating production storage offloading, cross lines are released, by a craft tug It pulls floating production storage offloading's dead slow speed to move forward, craft tug towing floating production storage offloading's ship stern control Forward speed, four craft tugs are parallel forward in floating production storage offloading's port and starboard cooperation floating production storage offloading It is mobile;
(5) four craft tugs in floating production storage offloading's port and starboard are needed according to floating production storage offloading Position is adjusted in due course with semi-submerged ship relative position, prevents from colliding with buoyancy tank of semi-submersible ship;
The 4th step floating production storage offloading shipment, which is fixed, and dry haul is defeated includes:
(1) after floating production storage offloading reaches predetermined shipment position, by six craft tug control Floating Production storages Unloading Device stops, using laser alignment monitoring semi-submerged ship and floating production storage offloading relative position, control error 20 to Within the scope of 30mm, starts row in semi-submerged ship and carry in floating-upward process, frequently detect floating production storage offloading bottom underkell clearance Variation, it is ensured that bottom out in parallel;
(2) the winch cable on buoyancy tank of semi-submersible ship is connect using mooring boat with floating production storage offloading, passes through adjusting Winch cable pulling force controls floating production storage offloading right above predetermined shipment position, and semi-submerged ship continues to float until holding up floating Formula production storage Unloading Device;
(3) loosen and release craft tug hawser, release the isolation of floating production storage offloading's stem starboard and refute, semi-submerged ship Continue to float until reaching transport drinking water;
(4) semi-submerged ship and floating production storage offloading's state, welding shipment fixing piece, at this point, Floating Production is stored up are checked Unloading Device is floating to pretend industry completion, and the dry haul of semi-submerged ship delivery floating production storage offloading is defeated to set sail.
The dry defeated floating dress technique of haul of floating production storage offloading above-mentioned, in which: in the first step, (1) according to Floating production storage offloading's outboard size of loading welds guiding device in boat deck partly latent in advance, and auxiliary Floating Production storage is unloaded Oily device is loaded along straight line, prevents from deviating;Sleeper is arranged according to floating production storage offloading's floor to be loaded, it is ensured that Sleeper face floor after loading, arrangement sleeper quantity are directly proportional to the weight of floating production storage offloading to be loaded; (2) according to loading operation anchor hawser is put in interim mooring system anchor hawser length throwing when, is tensed anchor hawser to required using cloth anchor towboat and is faced When anchor holding power, and complete interim anchor holding power pretension test, prevent interim mooring system when loading operation from dragging of anchor;The guiding Device, sleeper and shipment fixing piece are existing commercial equipment.
Invent the defeated floating dress technique of the dry haul of floating production storage offloading the utility model has the advantages that the technique makes overlength Floating Production Storage Unloading Device is come true using Ship Transportation partly latent, solves floating production storage offloading and semi-submerged ship relative position is narrow The problem of small, floating production storage offloading's hull protrusion and floating dress guiding device blocking, the guiding device equipped with cushion The destruction that hull paints in loading process is effectively prevented, moreover, greatly shortening the duration, saves engineering cost, improves engineering effect Rate and safety.
Detailed description of the invention
Fig. 1 is present invention secure schematic diagram in place partly latent.
Fig. 2, which is that floating production storage offloading of the present invention is wet, drags the floating dress place schematic diagram of arrival.
Fig. 3, which is that floating production storage offloading longitudinal direction of the present invention shipment is floating, pretends industry schematic diagram.
Fig. 4, which is that floating production storage offloading of the present invention completion is floating, pretends industry schematic diagram.
Major Symbol illustrates in figure:
1 semi-submerged ship, 2 first bower anchors, 3 second bower anchors, the interim mooring system of 4 first ship sterns, 5 second ship sterns temporarily anchor and are System, 6 guiding devices, 7 floating production storage offloadings, 8 first craft tugs, 9 second craft tugs, 10 third craft tugs, 11 the 4th craft tugs, 12 the 5th craft tugs, 13 the 6th craft tugs, 14 isolation refute, 15 first cross lines, 16 second intersect Cable.
Specific embodiment
As shown in Figures 1 to 4, the dry defeated floating dress technique of haul of floating production storage offloading of the present invention uses following steps:
The first step, semi-submerged ship 1 load before preparation, as shown in Figure 1, comprising:
(1) shift to an earlier date the guiding welded on 1 deck of semi-submerged ship according to 7 outboard size of floating production storage offloading to be loaded Device, auxiliary floating production storage offloading load along straight line, prevent from deviating;According to floating production storage offloading to be loaded Floor arranges sleeper, it is ensured that sleeper face floor after loading, arrangement sleeper quantity and Floating Production to be loaded are stored up The weight of Unloading Device is directly proportional;
(2) 1 loading operation place of semi-submerged ship is determined according to the harbour hydrology, geology and the normal condition of navigation, it is pre- to throw auxiliary Semi-submerged ship 1 controls the interim mooring system 4 of the first ship stern and the interim mooring system 5 of second ship stern at accommodation, when according to loading operation Anchor hawser is put in interim mooring system anchor hawser length throwing, using cloth anchor towboat tension anchor hawser to required interim anchor holding power, and completes to face When anchor holding power pretension test, prevent interim mooring system when loading operation from dragging of anchor;
(3) determine that semi-submerged ship 1 loads floating production storage offloading 7 according to the normal condition of tidal current table and weather forecast Ship bow during activity duration and operation is to making semi-submerged ship 1 arrive at operating location;
(4) semi-submerged ship 1 puts the first bower anchor 2 and the second bower anchor 3 to throwing according to scheduled ship bow, by the first ship stern jury anchor Pool system 4 and the interim mooring system 5 of second ship stern are connect with 1 ship stern winch of semi-submerged ship, form multipoint mooring control semi-submerged ship 1 Accommodation;
(5) it is cleared up before 1 dive of semi-submerged ship, the removable goods and materials in fixed deck, removing remaining can floating object and rubbish;
(6) 1 ballast dive of semi-submerged ship is until drinking water needed for loading, the first bower anchor 2 of tightening, the second bower anchor 3, the first ship stern face When the mooring system 4 and interim mooring system 5 of second ship stern, control stem partly latent to.
Second step, floating production storage offloading 7 is wet to drag the floating dress place of arrival, as shown in Figure 2, comprising:
(1) drinking water of floating production storage offloading 7 drinking water to needed for loading is adjusted in advance in harbour, and require bow stern is flat to eat Water pulls hawser needed for the floating dress of arrangement in advance, releases floating production storage offloading 7 and pier mooring hawser;
(2) under the instruction of harbor pilot, by the first craft tug 8, the second craft tug 9, third craft tug 10, The total six craft tugs control Floating Production storage of 4th craft tug 11, the 5th craft tug 12 and the 6th craft tug 13 is unloaded The floating dress operating location in the wet hauling-out port place of oily device 7, and floating production storage offloading 7 is controlled apart from 1 ship stern of semi-submerged ship It stops at 500m lieto, 7 passage of command of floating production storage offloading is to floating dress operation command;
(3) under the instruction of floating dress operation command, pacified at 7 starboard stem of floating production storage offloading using mooring boat Dress isolation refutes 14, prevents 6 blocking of guiding device of the underwater protrusion of the starboard of floating production storage offloading 7 Yu semi-submerged ship 1;
(4) by the first craft tug 8, the second craft tug 9, third craft tug 10, the 4th craft tug 11, the 5th port Make tugboat 12 and total six craft tugs control, 7 dead slow speed of floating production storage offloading of the 6th craft tug 13 close to semi-submerged ship 1 ship stern controls 7 bow of floating production storage offloading to face semi-submerged ship 1, stops at 1 ship stern 100m of semi-submerged ship, waits It is floating to pretend slack period needed for industry.
Third step, the longitudinal shipment of floating production storage offloading 7 is floating to pretend industry, as shown in Figure 3, comprising:
(1) Normal practice for combining weather forecast and live sea conditions selects the suitable floating dress activity duration, by band cable First cross lines 15 and the second cross lines 16 on 1 ship stern buoyancy tank of semi-submerged ship are delivered to floating production storage offloading 7 and pre- by ship The hawser first arranged is connected, and the cross lines completed between semi-submerged ship 1 and floating production storage offloading 7 connect;
(2) under the instruction of floating dress operation command, 7 dead slow speed of floating production storage offloading is pulled by the first craft tug 8 It moves forward, the 6th craft tug 13 towing 7 ship stern of floating production storage offloading control forward speed, the second craft tug 9, Third craft tug 10, the 4th craft tug 11 and the 5th craft tug 12 are respectively in 7 port and starboard of floating production storage offloading Cooperation floating production storage offloading 7 moves in parallel forward;
16 belt tensioner power of (3) first cross lines 15 and the second cross lines, with the first craft tug 8, the second craft tug 9, Third craft tug 10, the 4th craft tug 11, the 5th craft tug 12 and 13 coordinated of the 6th craft tug control floating Production storage 7 direction of Unloading Device, so that floating production storage offloading 7 steadily enters 1 ship stern of semi-submerged ship, along guiding device 6 Steady dead slow ahead;
(4) after 1 ship stern buoyancy tank of semi-submerged ship arrives in floating production storage offloading 7, the first cross lines 15 and the are released Two cross lines 16 are moved forward, the 6th craft tug 13 by the first craft tug 8 towing 7 dead slow speed of floating production storage offloading It pulls 7 ship stern of floating production storage offloading and controls forward speed, the second craft tug 9, third craft tug 10, the 4th port are made Tugboat 11 and the 5th craft tug 12 are respectively in the port and starboard cooperation Floating Production storage emptying dress of floating production storage offloading 7 7 are set to move in parallel forward;
(5) second craft tugs 9, third craft tug 10, the 4th craft tug 11 and the 5th craft tug 12 need root Position is adjusted in due course according to floating production storage offloading 7 and 1 relative position of semi-submerged ship, prevents from colliding with 1 buoyancy tank of semi-submerged ship;
4th step, the shipment fixation of floating production storage offloading 7 and dry haul are defeated, as shown in Figure 4, comprising:
(1) after floating production storage offloading 7 reaches predetermined shipment position, by the first craft tug 8, the second craft tug 9, third craft tug 10, the 4th craft tug 11, the 5th craft tug 12 and the control Floating Production storage of the 6th craft tug 13 Unloading Device 7 stops, and using laser alignment monitoring semi-submerged ship 1 and 7 relative position of floating production storage offloading, controls error Within the scope of 20mm, starts row in semi-submerged ship 1 and carry in floating-upward process, frequently detect 7 bottom affluence water of floating production storage offloading Deep variation, it is ensured that bottom out in parallel;
(2) the winch cable on 1 buoyancy tank of semi-submerged ship is connect using mooring boat with floating production storage offloading 7, passes through tune Winch cable pulling force control floating production storage offloading 7 is saved right above predetermined shipment position, semi-submerged ship 1 continues to float until support Play floating production storage offloading 7;
(3) loosen and release the first craft tug 8, the second craft tug 9, third craft tug 10, the 4th craft tug 11, the hawser of the 5th craft tug 12 and the 6th craft tug 13 releases the isolation of 7 stem starboard of floating production storage offloading and refutes 6, semi-submerged ship 1 continues to float until reaching transport drinking water;
(4) semi-submerged ship 1 and 7 state of floating production storage offloading, welding shipment fixing piece, at this point, Floating Production are checked Storage Unloading Device 7 is floating to pretend industry completion, and the dry haul of the delivery of semi-submerged ship 1 floating production storage offloading 7 is defeated to set sail.
The content not being illustrated in the present embodiment is the prior art, therefore, no longer repeated.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within In the range of technical solution of the present invention.

Claims (3)

1. a kind of dry defeated floating dress technique of haul of floating production storage offloading, it is characterised in that: use following steps:
The first step, semi-submerged ship load before preparation;
Second step, floating production storage offloading is wet to drag the floating dress place of arrival;
Third step, floating production storage offloading, which longitudinally loads onto ship to float, pretends industry;
4th step, floating production storage offloading's shipment fixation and dry haul are defeated.
2. the dry defeated floating dress technique of haul of floating production storage offloading according to claim 1, it is characterised in that:
Preparation before the first step semi-submerged ship loads includes:
(1) according to floating production storage offloading's specification to be loaded, guiding device, pre- cloth sleeper are arranged in boat deck partly latent;
(2) semi-submerged ship loading operation place is determined according to the harbour hydrology, geology and the normal condition of navigation, it is pre- to throw auxiliary semi-submerged ship The interim mooring system of ship stern at accommodation is controlled, and completes pretension test;
(3) when determining that semi-submerged ship loads the operation of floating production storage offloading according to the normal condition of tidal current table and weather forecast Between and operation during ship bow to, make semi-submerged ship arrive at operating location;
(4) semi-submerged ship puts bower anchor to throwing according to scheduled ship bow, and the interim mooring system of ship stern and semi-submerged ship ship stern winch are connected It connects, forms multipoint mooring and control semi-submerged ship accommodation;
(5) it is cleared up before semi-submerged ship dive, the removable goods and materials in fixed deck, removing remaining can floating object and rubbish;
(6) dive of semi-submerged ship ballast until load needed for drinking water, tighten stem, ship stern mooring system, control stem partly latent to;
The second step floating production storage offloading is wet to drag the floating dress place of arrival to include:
(1) floating production storage offloading is adjusted in advance in harbour to absorb water to load draught, and require bow stern trim on even keel, preparatory cloth It sets and pulls hawser needed for floating dress, release floating production storage offloading and pier mooring hawser;
(2) it under the instruction of harbor pilot, is arrived at by six wet hauling-out ports of craft tug control floating production storage offloading Floating dress operating location, and floating production storage offloading is controlled in lieto of stopping at 500 ± 50m of semi-submerged ship ship stern, floating Production storage Unloading Device passage of command is to floating dress operation command;
(3) under the instruction of floating dress operation command, installed at floating production storage offloading's starboard stem using mooring boat every From refuting, the underwater protrusion of floating production storage offloading's starboard and semi-submerged ship guiding device blocking are prevented;
(4) six craft tug control floating production storage offloading's dead slow speeds control Floating Production storage and unload close to semi-submerged ship ship stern Oily device bow stops to face semi-submerged ship at 100 ± 10m of semi-submerged ship ship stern, waits floating and pretends slack period needed for industry;
Longitudinally shipment is floating pretends industry and include: for the third step floating production storage offloading
(1) Normal practice for combining weather forecast and live sea conditions selects the suitable floating dress activity duration, will by mooring boat Winch hawser is delivered to floating production storage offloading and is connected with the hawser arranged in advance on semi-submerged ship ship stern buoyancy tank, completes partly latent Cross lines connection between ship and floating production storage offloading;
(2) under the instruction of floating dress operation command, floating production storage offloading's dead slow speed is pulled to Forward from a craft tug Dynamic, another craft tug towing floating production storage offloading's ship stern controls forward speed, other four craft tugs are floating Formula production storage Unloading Device port and starboard cooperation floating production storage offloading moves in parallel forward;
(3) cross lines belt tensioner power controls floating production storage offloading direction with six craft tug coordinateds, so that floating Formula production storage Unloading Device steadily enters semi-submerged ship ship stern, along the steady dead slow ahead of guiding device;
(4) after semi-submerged ship ship stern buoyancy tank arrives in floating production storage offloading, cross lines are released, are pulled by a craft tug Floating production storage offloading's dead slow speed moves forward, and craft tug towing floating production storage offloading's ship stern control is advanced Speed, four craft tugs move forward in parallel in floating production storage offloading's port and starboard cooperation floating production storage offloading It is dynamic;
(5) four craft tugs in floating production storage offloading's port and starboard are needed according to floating production storage offloading and half Latent ship relative position adjusts position in due course, prevents from colliding with buoyancy tank of semi-submersible ship;
The 4th step floating production storage offloading shipment, which is fixed, and dry haul is defeated includes:
(1) after floating production storage offloading reaches predetermined shipment position, emptying is stored up by six craft tug control Floating Productions Device stops, using laser alignment monitoring semi-submerged ship and floating production storage offloading relative position, control error 20 to 30mm In range, start row in semi-submerged ship and carry in floating-upward process, frequently detects the variation of floating production storage offloading bottom underkell clearance, Ensure to bottom out in parallel;
(2) the winch cable on buoyancy tank of semi-submersible ship is connect with floating production storage offloading using mooring boat, by adjusting winch Cable pulling force controls floating production storage offloading right above predetermined shipment position, and semi-submerged ship continues to float raw up to holding up floating Produce storage Unloading Device;
(3) loosen and release craft tug hawser, release the isolation of floating production storage offloading's stem starboard and refute, semi-submerged ship continues It floats until reaching transport drinking water;
(4) semi-submerged ship and floating production storage offloading's state, welding shipment fixing piece, at this point, Floating Production stores up emptying are checked Device is floating to pretend industry completion, and the dry haul of semi-submerged ship delivery floating production storage offloading is defeated to set sail.
3. the dry defeated floating dress technique of haul of floating production storage offloading according to claim 2, it is characterised in that: described the In one step, (1) welds guiding device in boat deck partly latent in advance according to floating production storage offloading's outboard size to be loaded, It assists floating production storage offloading to load along straight line, prevents from deviating;According to floating production storage offloading's hull bottom to be loaded Floor arranges sleeper, it is ensured that sleeper face floor after loading, arrangement sleeper quantity and Floating Production to be loaded store up emptying The weight of device is directly proportional;(2) according to loading operation anchor hawser is put in interim mooring system anchor hawser length throwing when, is drawn using cloth anchor towboat Tight anchor hawser completes the pretension test of interim anchor holding power to required interim anchor holding power, prevents from temporarily anchoring when loading operation System drags of anchor;
The guiding device, sleeper and shipment fixing piece are existing commercial equipment.
CN201910717416.8A 2019-08-05 2019-08-05 The dry defeated floating dress technique of haul of floating production storage offloading Pending CN110406641A (en)

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CN114372358A (en) * 2021-12-30 2022-04-19 天津博迈科海洋工程有限公司 Anti-collision optimization method for layout of upper core module of large FPSO (floating production storage and offloading)

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Application publication date: 20191105