CN106678444A - Mounting method for steel catenary riser used for in-place floating platform - Google Patents
Mounting method for steel catenary riser used for in-place floating platform Download PDFInfo
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- CN106678444A CN106678444A CN201710065367.5A CN201710065367A CN106678444A CN 106678444 A CN106678444 A CN 106678444A CN 201710065367 A CN201710065367 A CN 201710065367A CN 106678444 A CN106678444 A CN 106678444A
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- Prior art keywords
- floating platform
- standpipe
- flexible joint
- hawser
- pipe laying
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- 238000007667 floating Methods 0.000 title claims abstract description 114
- 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
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 40
- 230000000916 dilatatory effect Effects 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000002788 crimping Methods 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 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
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 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 invention provides a mounting method for a steel catenary riser used for an in-place floating platform. The method comprises the following steps that S1, two winch systems are prepared on the floating platform; S2, a dragging rope of the floating platform is connected with a riser flexible joint; S3, the riser flexible joint and the riser are dragged to the floating platform; S4, the riser flexible joint is placed in the riser suspension point of the floating platform; and S5, mounting of the riser is completed, a pipe-laying ship continues advancing, the riser is gradually laid, the tail end of the riser is welded to a welded online structure, and the other end of the riser is welded to a subsea pipeline. According to the mounting method, provided by the embodiment of the invention, for the steel catenary riser used for the in-place floating platform, the mounting problem of the steel catenary riser for an existing in-place floating platform can be solved, the riser does not need to be laid to the seabed in advance, a plurality of steel catenary risers can be mounted in sequence, and only one pipe-laying ship is needed without any special devices.
Description
Technical field
The present invention relates to field of ocean engineering, specifically, more particularly to a kind of steel for floating platform in place
The installation method of catenary riser processed.
Background technology
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 whole for connecting subsea hydrocarbon production system and deep-sea floating platform
The key structure of deep water offshore production of hydrocarbons exploitation.Steel catenary riser typically has two kinds of paving modes, and the first is will be vertical
Pipe is laid from female platform side toward undersea terminals direction, and referred to as initiating terminal standpipe is installed；For second standpipe from undersea terminals side toward
Female platform direction laying.For first kind of way, standpipe is connected by installation ship with existing platform, is then started from platform side past
Undersea terminals direction is laid, typically using J- types pipe laying or pipe crimping pipe laying.For the second way, standpipe is typically laid in advance
Seabed, female stage+module rear installation ship in place sets up pipe to carry out reclaiming and tieback is to female platform to overlaying, and the pre-installation of standpipe can
Using S- type pipe layings, J- types pipe laying or pipe crimping pipe laying.Both mounting means are all generally adopted in industrial quarters, general the first side
Formula is used for the tieback project of existing platform, and the second way is used for the standpipe installation project of newly-built platform. and the present invention is directed to
The first, i.e. the installation method of initiating terminal steel catenary riser.
There are following several technological difficulties in the standpipe installation process of floating platform in place：1. platform is in place, nothing
Standpipe is positioned over seabed by method；2. how initiating terminal standpipe is connected to into floating platform；3. how economical and efficient complete install,
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 inapplicable standpipe to existing floating platform in place is installed.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art 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, need not in advance by standpipe be layed in seabed in place
The installation method of the steel catenary riser of floating platform.
Kind according to embodiments of the present invention is used for the installation method of the steel catenary riser of floating platform in place, its feature
It is to comprise the following steps：S1：Prepare two sets of hoister systems on floating platform, wherein a set of hoister system is used to drag
Steel catenary riser is drawn on the floating platform, another set of hoister system is in place for standpipe flexible joint auxiliary, and will
Pipe laying barge is navigated at the floating platform preset distance；S2：The dilatory hawser for connecting the floating platform is vertical with described
Pipe flexible joint, wherein the dilatory hawser is transferred from the floating platform, by tracting cable and winch cable on the pipe laying barge
Rope connection, then under the J- type towers of the pipe laying barge tracting cable of putting to predetermined length, by underwater robot under water
The tracting cable is connected with the dilatory hawser of the floating platform, then pipe laying barge winch returns on the dilatory hawser of floating platform
Receive to pipe laying barge and be fixed on suspension platform, on J- types tower described in pipe laying barge by standpipe flexible joint down with dilatory hawser
It is connected, and connects standpipe tube coupling at flexible joint rear portion；S3：The standpipe flexible joint and standpipe are drawn to the floating and is put down
Platform, wherein pipe laying barge start to sail out of the floating platform, and in relatively described floating platform pre-position, the pipe laying barge turns
Dynamic 90 degree, and make stem alignment will pipe laying direction, the pipe laying barge is while sail out of the floating platform, one side is progressively transferred
The flexible joint and the standpipe, while the floating platform reclaims pull-cord, until the standpipe flexible joint is arrived
Up to floating platform standpipe hitch point top；S4：Lay the standpipe flexible joint outstanding in standpipe described in the floating platform
At hanging point, wherein connection auxiliary winch hawser in place and standpipe flexible joint, by adjustment auxiliary winch hawser in place, make described
Standpipe flexible joint is located at directly over riser cradle, and hawser is drawn in slow decentralization, in the case where winch hawser auxiliary in place is aided in, under water
Robot disconnects standpipe flexible joint and the connection between dilatory hawser and auxiliary cables；S5：Complete standpipe installation, wherein pipe laying
Ship moves on, and progressively lays the standpipe, and the end of the standpipe is welded with line structure thing is welded on, online works
Other end welding sea pipe.
It is used for the installation method of the steel catenary riser of floating platform in place according to an embodiment of the invention, it is possible to resolve
The problem of steel catenary riser installation is carried out to existing floating platform in place, without the need for standpipe to be layed in advance seabed, can be according to
It is secondary that multiple steel catenary risers are installed, it is only necessary to a pipe laying barge (J- types or pipe crimping pipe laying barge), do not rely on and appoint
What special equipment.
In addition, the installation method of the steel catenary riser for floating platform in place according to the above embodiment of the present invention
There can also be following additional technical characteristic：
According to one embodiment of present invention, in S1, by the pipe laying barge navigate to apart from 25 meters of the floating platform-
At 35 meters.
According to one embodiment of present invention, in S2, the tracting cable of putting is to big under the J- type towers of the pipe laying barge
In 100 meters of depths.
According to one embodiment of present invention, in S2, the flexible joint rear portion is welded with standpipe tube coupling.
According to one embodiment of present invention, in S3, the standpipe flexible joint reaches the floating platform standpipe and hangs
More than 2 meters of hanging point top place.
According to one embodiment of present invention, in S4, standpipe flexible joint is made to fall into after riser cradle, underwater robot
Disconnect the connection between the standpipe flexible joint and the dilatory hawser and auxiliary cables.
According to one embodiment of present invention, the underwater robot disconnection standpipe can be substituted by diver soft
Connection of the property between joint and the dilatory hawser and auxiliary cables.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
Fig. 1 is the installation method of the steel catenary riser for being used for floating platform in place according to an embodiment of the invention
Flow chart.
Fig. 2 is the installation method of the steel catenary riser for floating platform in place according to embodiments of the invention
Deep water platform anchoring system and standpipe schematic diagram.
Fig. 3 is the installation method of the steel catenary riser for floating platform in place according to embodiments of the 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 embodiments of the invention
Method installation process schematic diagram.
Reference：
101- floating platforms；102- mooring anchor hawsers；103- steel catenary risers；104- drilling riser pipes；201-J- types spread
Guan Chuan；202- pipe laying barge winch hawsers；203- tracting cables and pipe laying barge winch hawser joint；204- flexible drawing cables；205-ROV
Gib head；206- underwater robots control cable；207- underwater robots (ROV)；Standpipe on 208- floating platforms is drawn and pulls rope；
209- standpipe flexible joints；210- floating platform standpipe hitch points；211- auxiliary positioning cables；The online works of 212-；213- is extra large
Bottom pipeline.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " is, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of indication must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact but by it including the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
As shown in figure 1, being used for the installation of the steel catenary riser of floating platform in place according to an embodiment of the invention
Method, may comprise steps of：
S1：Prepare two sets of hoister systems on floating platform, wherein a set of hoister system is used to draw steel stretched wire
Line standpipe on the floating platform, another set of hoister system be used for standpipe flexible joint aid in it is in place, and by pipe laying ship positionning
To at the floating platform preset distance.
S2：Connect the dilatory hawser of the floating platform and the standpipe flexible joint, wherein under the floating platform
The dilatory hawser is put, is connected tracting cable with winch hawser on the pipe laying barge, then from the J- type towers of the pipe laying barge
It is lower described to put tracting cable to predetermined length, it is by underwater robot under water that the tracting cable is dilatory with the floating platform
Hawser connects, and then the dilatory hawser of floating platform is recycled to pipe laying barge and is fixed on suspension platform by pipe laying barge winch,
Standpipe flexible joint is connected down with dilatory hawser on J- types tower described in pipe laying barge, and connects standpipe pipe at flexible joint rear portion
Section.
S3：The standpipe flexible joint and standpipe are drawn to the floating platform, wherein pipe laying barge starts to sail out of described
Floating platform, and in relatively described floating platform pre-position, the pipe laying barge rotates 90 degree, and stem alignment will be spread
The direction of pipe, the pipe laying barge progressively transfers the flexible joint and the standpipe while sail out of the floating platform on one side,
Simultaneously the floating platform reclaims pull-cord, until the standpipe flexible joint is reached on the floating platform standpipe hitch point
Side.
S4：The standpipe flexible joint is laid at standpipe hitch point described in the floating platform, wherein connection auxiliary is just
Position winch hawser and standpipe flexible joint, by adjustment auxiliary winch hawser in place, make the standpipe flexible joint be located at standpipe
Directly over support, hawser is drawn in slow decentralization, and in the case where winch hawser auxiliary in place is aided in, underwater robot disconnects standpipe flexibility and connects
Head and the connection between dilatory hawser and auxiliary cables.
S5：Standpipe installation is completed, wherein pipe laying barge moves on, and progressively lays the standpipe, the end of the standpipe
Weld with line structure thing is welded on, the other end welding sea pipe of online works.
It is used for the installation method of the steel catenary riser of floating platform in place according to an embodiment of the invention, it is possible to resolve
The problem of steel catenary riser installation is carried out to existing floating platform in place, without the need for standpipe to be layed in advance seabed, can be according to
It is secondary that multiple steel catenary risers are installed, it is only necessary to a pipe laying barge (J- types or pipe crimping pipe laying barge), do not rely on and 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.
Some embodiments of the invention, in S2, transfer tracting cable deep to being more than 100 meters from the J- types tower of pipe laying barge
Place.
According to one embodiment of present invention, in S2, for the ease of operation, flexible joint rear portion is welded with standpipe tube coupling
Connect.
According to one embodiment of present invention, in S3, standpipe flexible joint reaches floating platform standpipe hitch point top 2
At more than rice.
According to one embodiment of present invention, in S4, standpipe flexible joint is made to fall into after riser cradle, underwater robot
Disconnect standpipe flexible joint and the connection between the dilatory hawser and auxiliary cables.It is possible to further be replaced by diver
The standpipe flexible joint and the connection between the dilatory hawser and auxiliary cables are disconnected for the underwater robot.
It is understood that the installation method of the steel catenary riser for floating platform in place of the present invention, can be with
Comprise the following steps：
S1：Floating platform hoister system and deep water J- type pipe laying barges (or pipe crimping pipe laying barge) are ready.
Two sets of hoister systems are needed on floating platform, it is a set of for drawing steel catenary riser to floating platform, one
Cover in place for the auxiliary of standpipe flexible joint.Deep water pipe laying barge needs to prepare standpipe flexible joint and standpipe.Pipe laying barge is sailed to
It is in place apart from about 30 meters or so places of floating platform.
S2：The dilatory hawser of connected floating platform and standpipe flexible joint.
(1) from the dilatory hawser of floating platform decentralization standpipe；
(2) tracting cable is connected with winch hawser on pipe laying barge, then from the J- types tower decentralization traction of deep water pipe laying barge
Cable is to about 100 meters of depths；
(3) underwater robot is connected tracting cable with the dilatory hawser of floating platform, and then pipe laying barge winch puts down floating
The dilatory hawser of platform is recycled to pipe laying barge and is fixed on suspension platform；
(4) standpipe flexible joint is connected down with dilatory hawser on pipe laying barge J- type towers, and at flexible joint rear portion
Welding standpipe tube coupling.
S3：Standpipe 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 progressively transfers standpipe flexible joint and standpipe while sail out of floating platform, on one side, while floating
Formula platform reclaims pull-cord, until standpipe flexible joint is reached at about 2 meters of floating platform standpipe hitch point top.
S4：Placement standpipe flexible joint is at floating platform standpipe hitch point.
(1) connection auxiliary winch hawser in place and standpipe flexible joint；
(2) by adjustment auxiliary winch hawser in place, standpipe flexible joint is made to be located at directly over riser cradle；
(3) in the dilatory hawser of slow decentralization, in the case where winch hawser auxiliary in place is aided in, standpipe flexible joint is made to fall into standpipe
Support；
(4) underwater robot or diver disconnect standpipe flexible joint and the connection between dilatory hawser and auxiliary cables.
S5：Complete standpipe installation.
(1) installation ship moves on, and progressively lays standpipe：
(2) end of standpipe is managed with the welding of line structure thing, the other end welding sea of online works is welded on；
(3) whole standpipes are transferred and after line works to seabed, starts the process of normal laying submerged pipeline.
The steel catenary for being used for floating platform in place according to an embodiment of the invention below with reference to Fig. 2-Fig. 9 descriptions is stood
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 typically on the outside of floating platform, to external radiation.
Fig. 3 is the state that floating platform both sides hang standpipe.Fig. 4 to Fig. 6 is that the installation cloth of the present invention is rapid.
Fig. 4 is the first step of the inventive method, and pipe laying barge 201 puts down pipe laying barge winch hawser near floating platform 101
202 and tracting cable 204.Tracting cable 204 is flexible fiber rope, lightweight, and underwater robot 207 can be picked up, and be grasped
Make.Tracting cable union joint 203 is used to connect tracting cable 204 and pipe laying barge winch hawser 202.ROV gib heads 205 are used for and floating is put down
The dilatory rope 208 of pulling of standpipe on platform is attached.
Fig. 5 for the inventive method second step, 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 is reclaimed the dilatory rope 208 of pulling of standpipe and by itself and standpipe with winch
Flexible joint 209 is connected.
Fig. 6 is the 3rd step of the inventive method, and floating platform 101 is sailed out of on the one side of pipe laying barge 201, while standpipe 103 is laid,
While floating platform 101 is packed up, standpipe is dilatory to pull rope 208, and standpipe is dragged to floating platform 101.
Fig. 7 is the 4th step of the inventive method, waits standpipe flexible joint 209 to be located on floating platform standpipe hitch point 210
Fang Hou, is placed into standpipe flexible joint 209 in floating platform standpipe hitch point 210 by auxiliary positioning cable 211.
Fig. 8 and Fig. 9 is the 5th step of the inventive method, and pipe laying barge 201 is welded in the end of steel catenary riser 103
After line structure thing 212, continue 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 positioned in advance seabed, after female stage+module is in place, then
Salvaged and installed.Present invention is primarily targeted at provide it is a kind of for existing floating platform in place, be not required to
Standpipe to be layed in advance the installation method of the deep water steel catenary riser in seabed.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
What combine in an appropriate manner in one or more embodiments or example.Additionally, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (7)
1. a kind of installation method of the steel catenary riser for floating platform in place, it is characterised in that comprise the following steps：
S1：Prepare two sets of hoister systems on floating platform, wherein a set of hoister system stands for drawing steel catenary
Pipe on the floating platform, another set of hoister system be used for standpipe flexible joint aid in it is in place, and by pipe laying barge navigate to away from
Away from the floating platform preset distance；
S2：Connect the dilatory hawser of the floating platform and the standpipe flexible joint, wherein
The dilatory hawser is transferred from the floating platform, is connected tracting cable with winch hawser on the pipe laying barge, then
The tracting cable of putting is to predetermined length under the J- type towers of the pipe laying barge, by underwater robot under water by the tracting cable
It is connected with the dilatory hawser of the floating platform, then the dilatory hawser of floating platform is recycled to pipe laying barge simultaneously by pipe laying barge winch
It is fixed on suspension platform, standpipe flexible joint is connected down with dilatory hawser on J- types tower described in pipe laying barge, and soft
Property joint rear portion connection standpipe tube coupling；
S3：The standpipe flexible joint and standpipe are drawn to the floating platform, wherein
Pipe laying barge starts to sail out of the floating platform, and in relatively described floating platform pre-position, the pipe laying barge is rotated
90 degree, and make stem alignment will pipe laying direction, the pipe laying barge sails out of the floating platform on one side, and institute is progressively transferred on one side
Flexible joint and the standpipe are stated, while the floating platform reclaims pull-cord, until the standpipe flexible joint is reached
The floating platform standpipe hitch point top；
S4：The standpipe flexible joint is laid at standpipe hitch point described in the floating platform, wherein
Connection auxiliary winch hawser in place and standpipe flexible joint, by adjustment auxiliary winch hawser in place, make the standpipe soft
Property joint be located at directly over riser cradle, the dilatory hawser of slow decentralization, in the case where winch hawser auxiliary in place is aided in, underwater robot
Disconnect standpipe flexible joint and the connection between dilatory hawser and auxiliary cables；
S5：Standpipe installation is completed, wherein
Pipe laying barge moves on, and progressively lays the standpipe, and the end of the standpipe is welded with line structure thing is welded on, online
The other end welding sea pipe of works.
2. the installation method of the steel catenary riser for floating platform in place according to claim 1, its feature exists
In in S1, the pipe laying barge being navigated at 25 meters -35 meters of the floating platform.
3. the installation method of the steel catenary riser for floating platform in place according to claim 1, its feature exists
In in S2, the tracting cable of putting is to more than 100 meters of depths under the J- type towers of the pipe laying barge.
4. the installation method of the steel catenary riser for floating platform in place according to claim 1, its feature exists
In in S2, the flexible joint rear portion is welded with standpipe tube coupling.
5. the installation method of the steel catenary riser for floating platform in place according to claim 1, its feature exists
In in S3, the standpipe flexible joint reaches described more than 2 meters places in floating platform standpipe hitch point top.
6. the installation method of the steel catenary riser for floating platform in place according to claim 1, its feature exists
In, in S4, standpipe flexible joint is fallen into after riser cradle, underwater robot disconnects the standpipe flexible joint and drags with described
Draw the connection between hawser and auxiliary cables.
7. the installation method of the steel catenary riser for floating platform in place according to claim 6, its feature exists
In can substitute the underwater robot by diver and disconnect the standpipe flexible joint and the dilatory hawser and auxiliary cable
Connection between rope.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016213647550 | 2016-12-13 | ||
| CN201621364755 | 2016-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106678444A true CN106678444A (en) | 2017-05-17 |
| CN106678444B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764188A (en) * | 2019-02-19 | 2019-05-17 | 长沙学院 | It is flexibly connected adjuster |
| CN113581417A (en) * | 2021-07-20 | 2021-11-02 | 海洋石油工程股份有限公司 | Tieback lifting method and lifting system for mounting 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764188A (en) * | 2019-02-19 | 2019-05-17 | 长沙学院 | It is flexibly connected adjuster |
| CN109764188B (en) * | 2019-02-19 | 2024-05-07 | 长沙学院 | Flexible connection regulator |
| CN113581417A (en) * | 2021-07-20 | 2021-11-02 | 海洋石油工程股份有限公司 | Tieback lifting method and lifting system for mounting semi-submersible production platform vertical pipe |
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| CN106678444B (en) | 2019-05-10 |
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