CN106678444B - The installation method of steel catenary riser for floating platform in place - Google Patents
The installation method of steel catenary riser for floating platform in place Download PDFInfo
- Publication number
- CN106678444B CN106678444B CN201710065367.5A CN201710065367A CN106678444B CN 106678444 B CN106678444 B CN 106678444B CN 201710065367 A CN201710065367 A CN 201710065367A CN 106678444 B CN106678444 B CN 106678444B
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- Prior art keywords
- floating platform
- standpipe
- flexible joint
- pipe laying
- hawser
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- 238000007667 floating Methods 0.000 title claims abstract description 112
- 238000009434 installation Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000000916 dilatatory effect Effects 0.000 claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000002788 crimping Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000013305 flexible fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
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- 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
- F16L1/15—Laying or reclaiming pipes on or under water between the surface and the bottom vertically
-
- 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
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/202—Accessories therefor, e.g. floats, weights fixed on or to vessels
- F16L1/205—Pipe-laying ships
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- 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
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/235—Apparatus for controlling the pipe during laying
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of installation method of steel catenary riser for floating platform in place, comprising the following steps: S1: preparing two sets of hoister systems on floating platform；S2: the dilatory hawser of connected floating platform and flexible joint；S3: the flexible joint and standpipe are drawn to the floating platform；S4: the flexible joint is placed at the standpipe hitch point described in the floating platform；S5: completing standpipe installation, and wherein pipe laying barge moves on, and gradually laying standpipe, and the end of standpipe and online works weld, other end welding sea pipe.The installation method of the steel catenary riser for floating platform in place of embodiment according to the present invention, it can solve the problems, such as to carry out steel catenary riser installation to existing floating platform in place, it is not necessary that standpipe is layed in seabed in advance, successively multiple steel catenary risers can be installed, a pipe laying barge is only needed, independent of any special equipment.
Description
Technical field
The present invention relates to field of ocean engineering, specifically, in particular to a kind of steel for floating platform in place
The installation method of catenary riser processed.
Background technique
Steel catenary riser (SCR, Steel Catenary Riser) is the extension of deep-water subsea pipeline, with outstanding
The form of chain line is connected in Floating Production structure, is entire for connecting subsea hydrocarbon production system and deep-sea floating platform
The key structure of deep water offshore production of hydrocarbons exploitation.Generally there are two types of paving modes for steel catenary riser, the first is will to stand
Pipe is laid with from female platform side toward undersea terminals direction, and referred to as starting point standpipe is installed；For second standpipe from undersea terminals side toward
Female platform direction is laid with.For first way, standpipe is connect by installation ship with existing platform, then past since platform side
Undersea terminals direction is laid with, and generally uses J- type pipe laying or pipe crimping pipe laying.For the second way, standpipe is generally laid in advance
Seabed, female stage+module in place after installation ship to overlay set up pipe recycle and tieback to female platform, the pre-installation of standpipe can
Using S- type pipe laying, J- type pipe laying or pipe crimping pipe laying.Both mounting means are all generallyd use in industry, the first general side
Formula is used for the tieback project of existing platform, and the standpipe installation project present invention that the second way is chiefly used in newly-built platform is directed to
The first, i.e. the installation method of starting point steel catenary riser.
Have following several technological difficulties in the standpipe installation process of floating platform in place: 1. platforms are in place, nothing
Standpipe is placed in seabed by method；2. how starting point standpipe is connected to floating platform；3. how the completion of economical and efficient is installed,
Reduce the use of resources on board and other equipment.
Authorization Notice No. CN102359660B (authorized announcement date is on June 19th, 2013) discloses a kind of Deepwater Risers
Installation method.The standpipe installation method of the Patent claims belongs to above-mentioned second, and standpipe needs to be layed in seabed in advance in a pre-installation,
And the not applicable standpipe to existing floating platform in place is installed.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.In view of this,
The present invention need to provide it is a kind of for existing floating platform in place, do not need in advance by standpipe be layed in seabed be used for it is in place
The installation method of the steel catenary riser of floating platform.
The installation method of the according to an embodiment of the present invention kind of steel catenary riser for floating platform in place, feature
It is, comprising the following steps: S1: prepares two sets of hoister systems on floating platform, wherein a set of hoister system is for dragging
It draws in steel catenary riser to the floating platform, another set of hoister system is in place for flexible joint auxiliary, and by pipe laying
Ship positionning is at the floating platform preset distance；S2: the dilatory hawser and the flexibility for connecting the floating platform connect
Tracting cable is connect, so by head wherein transferring the dilatory hawser from the floating platform on the pipe laying barge with winch hawser
Afterwards from the J- type tower of the pipe laying barge decentralization tracting cable to predetermined length from, by underwater robot by the tracting cable with it is described
The dilatory hawser of floating platform connects, and then the dilatory hawser of floating platform is recycled to pipe laying barge and is fixed on by pipe laying barge winch
On suspension platform, flexible joint is connected with dilatory hawser downward on the J- type tower described in pipe laying barge, and at flexible joint rear portion
Connect standpipe tube coupling；S3: the flexible joint and standpipe are drawn to the floating platform, wherein pipe laying barge starts to sail out of described
Floating platform, and in the relatively described floating platform pre-position, the pipe laying barge rotates 90 degree, and spread stem alignment will
The direction of pipe, the pipe laying barge sail out of the floating platform on one side, gradually transfer the flexible joint and the standpipe on one side,
The floating platform recycles tracting cable simultaneously, until the flexible joint reaches above the floating platform standpipe hitch point；S4:
The flexible joint is placed at the standpipe hitch point described in the floating platform, wherein connection auxiliary cables and flexible joint, lead to
Adjustment auxiliary cables are crossed, are located at the flexible joint right above riser cradle, slowly transfer dilatory hawser, it is auxiliary in auxiliary cables
It helps down, underwater robot disconnects the connection between flexible joint and dilatory hawser and auxiliary cables；S5: completing standpipe installation,
Middle pipe laying barge moves on, and gradually standpipe described in laying, and the end of the standpipe and online works weld, online works
The other end welding sea pipe.
The installation method of the steel catenary riser for floating platform in place of embodiment according to the present invention, can solve
The problem of carrying out steel catenary riser installation to existing floating platform in place can be according to it is not necessary that standpipe is layed in seabed in advance
It is secondary that multiple steel catenary risers are installed, it is only necessary to a pipe laying barge (J- type or pipe crimping pipe laying barge), independent of appoint
What special equipment.
In addition, the installation method of the steel catenary riser according to the above embodiment of the present invention for floating platform in place
It can also have the following additional technical features:
According to one embodiment of present invention, in S1, the pipe laying barge is navigated to apart from 25 meters of the floating platform-
At 35 meters.
According to one embodiment of present invention, in S2, tracting cable to more than 100 is transferred from the J- type tower of the pipe laying barge
Rice depths.
According to one embodiment of present invention, in S2, the flexible joint rear portion and standpipe tube coupling are welded.
According to one embodiment of present invention, in S3, the flexible joint reaches the floating platform standpipe hitch point
Locate 2 meters of top or more.
According to one embodiment of present invention, in S4, after so that flexible joint is fallen into riser cradle, underwater robot is disconnected
Connection between the flexible joint and the dilatory hawser and auxiliary cables.
According to one embodiment of present invention, the underwater robot disconnection flexibility can be substituted by diver to connect
Head and the connection between the dilatory hawser and auxiliary cables.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the installation method of the steel catenary riser for floating platform in place of embodiment according to the present invention
Flow chart.
Fig. 2 is the installation method according to the steel catenary riser for floating platform in place of the embodiment of the present invention
Deep water platform anchoring system and standpipe schematic diagram.
Fig. 3 is the installation method according to the steel catenary riser for floating platform in place of the embodiment of the present invention
Deep water platform standpipe and anchoring system schematic side view.
Fig. 4 to Fig. 9 is the installation using the steel catenary riser for floating platform in place of the embodiment of the present invention
Method installation process schematic diagram.
Appended drawing reference:
101- floating platform；102- mooring anchor hawser；103- steel catenary riser；104- drilling riser pipe；201-J- type paving
Guan Chuan；202- pipe laying barge winch hawser；203- tracting cable and pipe laying barge winch hawser connector；204- flexible drawing cable；205-ROV
Gib head；206- underwater robot controls cable；207- underwater robot (ROV)；Standpipe on 208- floating platform, which is drawn, pulls rope；
209- flexible joint；210- floating platform standpipe hitch point；211- auxiliary positioning cable；The online works of 212-；213- Submarine Pipeline
Line.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
As shown in Figure 1, the installation of the steel catenary riser for floating platform in place of embodiment according to the present invention
Method may comprise steps of:
S1: preparing two sets of hoister systems on floating platform, wherein a set of hoister system is for drawing steel stretched wire
On line standpipe to the floating platform, another set of hoister system is in place for flexible joint auxiliary, and by pipe laying barge navigate to away from
At the floating platform preset distance.
S2: connect the floating platform dilatory hawser and the flexible joint, wherein from the floating platform transfer institute
Dilatory hawser is stated, connect tracting cable with winch hawser on the pipe laying barge, is then transferred from the J- type tower of the pipe laying barge
At tracting cable to predetermined length, the tracting cable is connect with the dilatory hawser of the floating platform by underwater robot, so
The dilatory hawser of floating platform is recycled to pipe laying barge and is fixed on suspension platform by pipe laying barge winch afterwards, the J- described in pipe laying barge
Flexible joint is connected with dilatory hawser downward on type tower, and connects standpipe tube coupling at flexible joint rear portion.
S3: the flexible joint and standpipe are drawn to the floating platform, wherein pipe laying barge starts to sail out of the floating
Platform, and in the relatively described floating platform pre-position, the pipe laying barge rotates 90 degree, and being directed at stem will pipe laying
Direction, the pipe laying barge sail out of the floating platform on one side, gradually transfer the flexible joint and the standpipe on one side, simultaneously
The floating platform recycles tracting cable, until the flexible joint reaches above the floating platform standpipe hitch point.
S4: placing the flexible joint at the standpipe hitch point described in the floating platform, wherein connection auxiliary cables and
Flexible joint is located at the flexible joint right above riser cradle by adjusting auxiliary cables, slowly transfers dilatory hawser,
Under auxiliary cables auxiliary, underwater robot disconnects the connection between flexible joint and dilatory hawser and auxiliary cables.
S5: standpipe installation is completed, wherein pipe laying barge moves on, and gradually standpipe described in laying, the end of the standpipe
It is welded with online works, the other end welding sea pipe of online works.
The installation method of the steel catenary riser for floating platform in place of embodiment according to the present invention, can solve
The problem of carrying out steel catenary riser installation to existing floating platform in place can be according to it is not necessary that standpipe is layed in seabed in advance
It is secondary that multiple steel catenary risers are installed, it is only necessary to a pipe laying barge (J- type or pipe crimping pipe laying barge), independent of appoint
What special equipment.
According to one embodiment of present invention, in above-mentioned steps S1, pipe laying barge can be navigated to apart from floating platform
At 25 meters -35 meters.For instance, it is preferred that can be 30 meters.
According to some embodiments of the present invention, in S2, tracting cable to more than 100 meters of depths are transferred from the J- type tower of pipe laying barge
Place.
According to one embodiment of present invention, in S2, for ease of operation, flexible joint rear portion and standpipe tube coupling are welded
It connects.
According to one embodiment of present invention, in S3, flexible joint reach floating platform standpipe hitch point above 2 meters with
Upper place.
According to one embodiment of present invention, in S4, after so that flexible joint is fallen into riser cradle, underwater robot is disconnected
Connection between flexible joint and the dilatory hawser and auxiliary cables.It is possible to further substitute the water by diver
Lower robot disconnects the connection between the flexible joint and the dilatory hawser and auxiliary cables.
It, can be with it is understood that the installation method of the steel catenary riser for floating platform in place of the invention
The following steps are included:
S1: floating platform hoister system and deep water J- type pipe laying barge (or pipe crimping pipe laying barge) are ready.
Need two sets of hoister systems on floating platform, it is a set of for drawing steel catenary riser to floating platform, one
Auxiliary of the set for flexible joint is in place.Deep water pipe laying barge needs to prepare flexible joint and standpipe.Pipe laying barge is sailed to apart from floating
About 30 meters of platform or so places, in place.
S2: connected floating platform draws hawser and flexible joint.
(1) hawser is drawn from floating platform decentralization standpipe；
(2) tracting cable is connect on pipe laying barge with winch hawser, then transfers and draws from the J- type tower of deep water pipe laying barge
Cable is to about 100 meters of depths；
(3) underwater robot connects the dilatory hawser of tracting cable and floating platform, and then pipe laying barge winch equals floating
The dilatory hawser of platform is recycled to pipe laying barge and is fixed on suspension platform；
(4) flexible joint is connected with dilatory hawser on pipe laying barge J- type tower downward, and is welded at flexible joint rear portion
Standpipe tube coupling.
S3: flexible joint and standpipe are drawn to floating platform.
(1) deep water pipe laying barge starts to sail out of floating platform, and after standing away, deep water pipe laying barge rotates 90 degree, makes
Stem alignment will pipe laying direction；
(2) deep water pipe laying barge sails out of floating platform on one side, gradually transfers flexible joint and standpipe on one side, while floating is flat
Platform recycles tracting cable, until flexible joint reaches above floating platform standpipe hitch point at about 2 meters.
S4: flexible joint is placed at floating platform standpipe hitch point.
(1) auxiliary cables and flexible joint are connected；
(2) by adjusting auxiliary cables, it is located at flexible joint right above riser cradle；
(3) dilatory hawser is transferred slow, under auxiliary cables auxiliary, flexible joint is made to fall into riser cradle；
(4) underwater robot or diver disconnect the connection between flexible joint and dilatory hawser and auxiliary cables.
S5: standpipe installation is completed.
(1) installation ship moves on, and gradually laying standpipe:
(2) end of standpipe and online works weld, the other end welding sea pipe of online works；
(3) whole standpipes are transferred and after line works to seabed, start the process of normal laying submerged pipeline.
The steel catenary for floating platform in place for describing embodiment according to the present invention below with reference to Fig. 2-Fig. 9 is vertical
The installation process of the installation method of pipe:
As shown in Fig. 2, the arrangement of the steel catenary riser of floating platform is generally on the outside of floating platform, to external radiation.
Fig. 3 is the state that floating platform two sides hang standpipe.Fig. 4 to fig. 6 is that installation cloth of the invention is rapid.
Fig. 4 is the first step of the method for the present invention, and pipe laying barge 201 puts down pipe laying barge winch hawser close to floating platform 101
202 and tracting cable 204.Tracting cable 204 is flexible fiber rope, light-weight, and underwater robot 207 can be picked up, and is grasped
Make.Tracting cable connector 203 is for connecting tracting cable 204 and pipe laying barge winch hawser 202.ROV gib head 205 is used for and floating is flat
The dilatory rope 208 of pulling of standpipe on platform is attached.
Fig. 5 is the second step of the method for the present invention, and underwater robot 207 picks up tracting cable 204, and by itself and floating platform
On the dilatory rope 208 of pulling of standpipe be attached.Pipe laying barge 201 pulls 208 recycling of rope and by itself and flexibility for standpipe is dilatory with winch
Connector 209 is connected.
Fig. 6 is the third step of the method for the present invention, and pipe laying barge 201 sails out of floating platform 101 on one side, one side laying standpipe 103,
Floating platform 101 packs up that standpipe is dilatory to pull rope 208 simultaneously, and standpipe is dragged to floating platform 101.
Fig. 7 is the 4th step of the method for the present invention, after waiting flexible joints 209 to be located at 210 top of floating platform standpipe hitch point,
Flexible joint 209 is placed into floating platform standpipe hitch point 210 by auxiliary positioning cable 211.
Fig. 8 and Fig. 9 is the 5th step of the method for the present invention, and pipe laying barge 201 is in the end of steel catenary riser 103 in knot
After structure object 212, continues to transfer standpipe 103 and online works 212 to seabed, then start normal laying submerged pipeline 213.
Current standpipe installation method, it usually needs standpipe is placed in seabed in advance, after female stage+module is in place, then
It is salvaged and is installed.The main purpose of the present invention is to provide it is a kind of for existing floating platform in place, be not required to
Standpipe to be layed in the installation method of the deep water steel catenary riser in seabed in advance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (7)
1. a kind of installation method of the steel catenary riser for floating platform in place, which comprises the following steps:
S1: preparing two sets of hoister systems on floating platform, wherein a set of hoister system is vertical for drawing steel catenary
On pipe to the floating platform, another set of hoister system is in place for flexible joint auxiliary, and pipe laying barge is navigated to apart from institute
It states at floating platform preset distance；
S2: connect the floating platform dilatory hawser and the flexible joint, wherein
The dilatory hawser is transferred from the floating platform, is connect tracting cable with winch hawser on the pipe laying barge, then
From the J- type tower of pipe laying barge decentralization tracting cable to predetermined length, the tracting cable is floated with described by underwater robot
The dilatory hawser of formula platform connects, and then the dilatory hawser of floating platform is recycled to pipe laying barge and is fixed on outstanding by pipe laying barge winch
It hangs on platform, flexible joint is connected with dilatory hawser downward on the J- type tower described in pipe laying barge, and connect at flexible joint rear portion
Connect standpipe tube coupling；
S3: the flexible joint and standpipe are drawn to the floating platform, wherein
Pipe laying barge starts to sail out of the floating platform, and in the relatively described floating platform pre-position, the pipe laying barge rotation
90 degree, and make stem alignment will pipe laying direction, the pipe laying barge sails out of the floating platform on one side, gradually transfers institute on one side
Flexible joint and the standpipe are stated, while the floating platform recycles tracting cable, until the flexible joint reaches described float
Above formula platform standpipe hitch point；
S4: placing the flexible joint at the standpipe hitch point described in the floating platform, wherein
Auxiliary cables and flexible joint are connected, by adjusting auxiliary cables, is located at the flexible joint right above riser cradle,
Dilatory hawser is slowly transferred, under auxiliary cables auxiliary, underwater robot disconnects flexible joint and dilatory hawser and auxiliary cables
Between connection；
S5: completing standpipe installation, wherein
Pipe laying barge moves on, and gradually standpipe described in laying, and the end of the standpipe and online works weld, in cable architecture
The other end welding sea pipe of object.
2. the installation method of the steel catenary riser according to claim 1 for floating platform in place, feature exist
In in S1, the pipe laying barge is navigated at 25 meters -35 meters of the floating platform.
3. the installation method of the steel catenary riser according to claim 1 for floating platform in place, feature exist
In in S2, from the J- type tower of pipe laying barge decentralization tracting cable to more than 100 meters of depths.
4. the installation method of the steel catenary riser according to claim 1 for floating platform in place, feature exist
In in S2, the flexible joint rear portion and standpipe tube coupling are welded.
5. the installation method of the steel catenary riser according to claim 1 for floating platform in place, feature exist
In in S3, the flexible joint reaches to be located for 2 meters or more above the floating platform standpipe hitch point.
6. the installation method of the steel catenary riser according to claim 1 for floating platform in place, feature exist
In, in S4, after so that flexible joint is fallen into riser cradle, underwater robot disconnect the flexible joint and the dilatory hawser and
Connection between auxiliary cables.
7. the installation method of the steel catenary riser according to claim 6 for floating platform in place, feature exist
In, can be substituted by diver the underwater robot disconnect the flexible joint and the dilatory hawser and auxiliary cables it
Between connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016213647550 | 2016-12-13 | ||
| CN201621364755 | 2016-12-13 |
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| CN106678444A CN106678444A (en) | 2017-05-17 |
| CN106678444B true CN106678444B (en) | 2019-05-10 |
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| CN201710065367.5A Expired - Fee Related CN106678444B (en) | 2016-12-13 | 2017-02-06 | The installation method of steel catenary riser for floating platform in place |
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| CN109764188B (en) * | 2019-02-19 | 2024-05-07 | 长沙学院 | Flexible connection regulator |
| CN113581417B (en) * | 2021-07-20 | 2024-07-02 | 海洋石油工程股份有限公司 | Tieback lifting method and tieback lifting system for installation of semi-submersible production platform vertical pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290715A (en) * | 1979-06-05 | 1981-09-22 | Standard Oil Company (Indiana) | Pipeline riser for floating platforms |
| US6250395B1 (en) * | 1999-11-05 | 2001-06-26 | Carlos A. Torres | Apparatus system and method for installing and retrieving pipe in a well |
| CN102084166A (en) * | 2008-04-29 | 2011-06-01 | 伊特雷科公司 | Marine pipeline installation system and methods |
| CN102235548A (en) * | 2010-05-07 | 2011-11-09 | 中国海洋石油总公司 | Installation device for deepwater stand pipes and underwater facilities |
| CN102359660A (en) * | 2011-08-31 | 2012-02-22 | 中国海洋石油总公司 | Method for installing deep-water vertical pipe |
| CN105782568A (en) * | 2016-03-29 | 2016-07-20 | 中国海洋石油总公司 | Mounting method of stand tube and protection tube |
-
2017
- 2017-02-06 CN CN201710065367.5A patent/CN106678444B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290715A (en) * | 1979-06-05 | 1981-09-22 | Standard Oil Company (Indiana) | Pipeline riser for floating platforms |
| US6250395B1 (en) * | 1999-11-05 | 2001-06-26 | Carlos A. Torres | Apparatus system and method for installing and retrieving pipe in a well |
| CN102084166A (en) * | 2008-04-29 | 2011-06-01 | 伊特雷科公司 | Marine pipeline installation system and methods |
| CN102235548A (en) * | 2010-05-07 | 2011-11-09 | 中国海洋石油总公司 | Installation device for deepwater stand pipes and underwater facilities |
| CN102359660A (en) * | 2011-08-31 | 2012-02-22 | 中国海洋石油总公司 | Method for installing deep-water vertical pipe |
| CN105782568A (en) * | 2016-03-29 | 2016-07-20 | 中国海洋石油总公司 | Mounting method of stand tube and protection tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106678444A (en) | 2017-05-17 |
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