CN102213085A - Installation method of vertical pipe of guide pipe rack - Google Patents
Installation method of vertical pipe of guide pipe rack Download PDFInfo
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- CN102213085A CN102213085A CN2010101449166A CN201010144916A CN102213085A CN 102213085 A CN102213085 A CN 102213085A CN 2010101449166 A CN2010101449166 A CN 2010101449166A CN 201010144916 A CN201010144916 A CN 201010144916A CN 102213085 A CN102213085 A CN 102213085A
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- standpipe
- hoist engine
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- vertical pipe
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Abstract
The invention discloses an installation method of a vertical pipe of a guide pipe rack. The method comprises the following steps of: 1, before marine installation, finishing pre-production of the vertical pipe on the land; 2, carrying out cross-pipe transportation by using a dynamic positioning rig; 3, lifting the vertical pipe by using a plurality of replacement lifters, lifting the vertical pipe to a pipe holder, and fixing; and 4, carrying out marine lifting and diving operation, transferring the vertical pipe to a winch on a platform, and after the vertical pipe is well adjusted, finishing vertical pipe fixing operation by a diver after diving. By the invention, a marine construction period can be greatly shortened; meanwhile, the cross-pipe transportation is carried out by only using the small-sized dynamic positioning rig, so marine ship resources are saved, and the marine installation cost of the vertical pipe is reduced.
Description
Technical field
The present invention relates to the mounting method of standpipe, relate in particular to a kind of mounting method that is used for offshore oilfield jacket standpipe.Belong to field of ocean engineering.
Background technology
At sea in the petroleum development engineering, need be at submarine laying pipeline under the ocean and submarine cable.Pipeline under the ocean comprises: flat pipe, platform standpipe and expansible bend, platform standpipe are the chief components that is used for connecting flat pipe and Shunping County, pipeline termination platform member is drawn the water surface.After at sea the oil field was constructed and put into operation, because the foundation of the further exploitation in oil field and new platform needs to set up newly-increased submerged pipeline and newly-increased cable, this just need install newly-increased standpipe and cable protecting tube on the jacket of active service platform.For a long time, the jacket standpipe is installed and is being relied on large-scale lifting construction boats and ships to carry out installation exercise always.
In recent years, along with developing rapidly of China's offshore oil industry, the task that the manufacturing of large-scale petroleum platform structure thing is installed is more and more heavier, and the marine transportation of these large structures and installation all must be finished by large-scale lifting construction boats and ships.Yet because large-scale lifting construction boats and ships belong to scarce resource, existing large-scale lifting construction boats and ships are very few, have been difficult to satisfy the needs of construction.Simultaneously, adopt large-scale lifting construction boats and ships that the jacket standpipe is installed and also can cause the increase of expense and duration.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming of existing product technology, and provide a kind of mounting method of improved jacket standpipe, it can shorten the offshore construction duration greatly, simultaneously, only need to use the minitype motivation station keeping ship to stride the pipe transportation, save the marine ships resource, reduced the marine cost of installing of standpipe.
The objective of the invention is to realize by following technical scheme:
A kind of mounting method of jacket standpipe is characterized in that: adopt following installation steps:
The first step, before marine the installation, standpipe is finished prefabricated work earlier on land;
In second step, the working power station keeping ship is striden the pipe transportation;
The 3rd step, subrogate the handling standpipe by several, standpipe is winched on the pipe carrier, and fixing;
The 4th step, carry out that sea lifts and diving operation, standpipe is transferred on the hoist engine of platform, treat that standpipe is adjusted to the right place after, water is finished the standpipe steady job under the diver.
The concrete installation steps in described the 4th step:
(1) early-stage preparations: before dynamic positioning vessel arrives operating location, need to finish in advance the steady job of suspension centre welding and hoist engine on the platform, and lay several anchor sinkers at the seabed assigned address;
(2) adopt several to subrogate and hang lifting simultaneously, standpipe is hung out pipe carrier, keep flat entry to designated depth; Then, standpipe is erect, consistent until the standpipe gradient with the jacket gradient; Remove shackle by underwater robot, and regain this and subrogate the wire rope that hangs;
(3) the hoist engine lifting rope is sent on the dynamic positioning vessel by pull rope, and is connected on the wire rope of standpipe upper end;
(4) hoist engine reclaims wire rope, simultaneously, transfers subrogating of dynamic positioning quarter and hangs, and all is transferred on the hoist engine from heavy load until standpipe, then, removes afterbody by underwater robot and subrogates the joining shackle that hangs with standpipe;
(5) transfer the hoisting point position of the hoisting rope of auxiliary hoist engine to riser bottom, connect on suspension centre by underwater robot, then, promote the tension hoisting rope, underwater robot will be subrogated the joining shackle dismounting of hanging with the standpipe suspension centre, and regain and subrogate the hoisting rope that hangs;
(6) standpipe is transferred to back repeating step 4 on the hoist engine of platform) to step 5), treat that standpipe is adjusted to the right place after, water is finished the standpipe steady job under the diver.
Described diving operation uses air dive to carry out underwater operation, and deep water partly uses saturation diving to carry out underwater operation.
Beneficial effect of the present invention: the present invention can shorten the offshore construction duration greatly, simultaneously, only needs to use the minitype motivation station keeping ship to stride the pipe transportation, saves the marine ships resource, has reduced the marine cost of installing of standpipe.
Description of drawings:
Fig. 1 is pipe carrier of the present invention and standpipe installation site side schematic view aboard ship.
Fig. 2 hangs layout plan for the present invention subrogates.
Fig. 3 hangs the facade arrangement diagram for the present invention subrogates.
Fig. 4 is standpipe lifting strut of the present invention and rigging assembly drawing.
Fig. 5 is platform suspension centre of the present invention and hoist engine arrangement diagram.
Fig. 6 transfers drawing of site for anchor sinker of the present invention.
Fig. 7 transfers schematic diagram for standpipe of the present invention.
Fig. 8 conducts oneself with dignity load transfer to platform hoist engine schematic diagram for the present invention with standpipe.
Fig. 9 transfers to schematic diagram on two hoist engines of platform for standpipe of the present invention.
Major label description in figure:
1 standpipe, 2 pipe carriers, 3 subrogate hang, 4 struts, 5 riggings, 6 anchor sinkers, 7 station keeping ships, 8 hoist engines, 9 platforms, 10 jackets, 11 underwater robots.
The specific embodiment
The present invention adopts following installation steps:
The first step, before marine the installation, standpipe 1 is finished prefabricated work earlier on land;
In order to reduce standpipe, at first, be that 113 meters standpipe 1 is divided into 62 meters, 51 meters two sections on land and carries out integral solder spreading, standby with length overall at the ship installation procedure.
In second step, as shown in Figure 1, use DP II type dynamic positioning vessel 7 to stride the pipe transportation;
Five pipe carriers 2 have been arranged in the ship side outside at DP II type dynamic positioning vessel 7, are used to lay transportation standpipe 1; Use DP II type dynamic positioning vessel 7 to cast anchor, removed casting anchor the time of large-scale construction boats and ships from, reduced transportation duration and cost.
The 3rd step, shown in Figure 3 as Fig. 2,
1. subrogate by several and hang 3 standpipes 1 that hang transportation;
On the deck of DP II type dynamic positioning vessel 7, install three and subrogate and hang 3, when being convenient to standpipe 1 marine the installation with standpipe 1 lifting water down;
2. as shown in Figure 4, because standpipe 1 is to carry out prefabricated assembly welding at harbour, therefore, need winches to standpipe 1 on the pipe carrier 2 and fix; Because standpipe 1 length is longer, therefore, need lift by lifting strut 4; And after utilizing wharf crane (loop wheel machine need satisfy sling height greater than 28 meters, and hoisting weight is greater than 50 tons) to hang standpipe 1 to the pipe carrier 2 of DP II type dynamic positioning vessel 7 ship sides, rigging 5 is removed, then, use fastening devices such as band that standpipe 1 is fixing.
In the 4th step, carry out sea lifting and diving operation; As Fig. 5-shown in Figure 7,
(1) preliminary preparation: before DP II type dynamic positioning vessel 7 arrives operating location, need to fulfil ahead of schedule preparations such as fixing of suspension centre welding and hoist engine 8 on the platform 9; In addition, in order to be convenient to the adjusting of standpipe 1 position in standpipe 1 installation process, at first, need lay two anchor sinkers 6 at the seabed assigned address;
(2) after affirmation standpipe 1 fastening devices has all been removed, subrogate for three and hang 3 liftings simultaneously, standpipe 1 is hung out pipe carrier 2, and keep flat in the entry.When treating that standpipe 1 is transferred to designated depth, stop to continue to transfer, the whole process of transferring will be guaranteed to subrogate for three and hung 3 lowering velocities that are consistent, and guarantees that standpipe 1 is in level all the time.Next subrogating of stopping to be connected with standpipe 1 top hangs 3, subrogate and hang 3 lowering velocity by controlling other two, standpipe 1 is slowly erect, behind standpipe 1 gradient and jacket 11 gradient basically identicals, stop to transfer (as shown in Figure 7), then, subrogate in the middle of removing by underwater robot 11 and hang 3 shackles that are connected with standpipe 1, and regain this and subrogate and hang 3 wire rope;
(3) confirm that platform 9 prepares 8 lifting ropes of the hoist engine on the platform 9 to be sent on the DP II type dynamic positioning vessel 7 by pull rope, and to be connected on the wire rope that has been connected standpipe 1 upper end clamp in advance (as shown in Figure 7) after everything is ready;
(4) as Fig. 7-shown in Figure 9, hoist engine 8 on the platform 9 slowly reclaims wire rope, simultaneously, slowly transfer subrogating of afterbody on the DP II type dynamic positioning vessel 7 and hang 3, all be transferred on the hoist engine 8 from heavy load until standpipe 1, then, by underwater robot 11 remove afterbodys subrogate hang 3 with the joining shackle of standpipe 1;
(5) transfer the hoisting rope of assisting hoist engine 8 on the platform 9, transfer to the hoisting point position of standpipe 1 bottom, connect on suspension centre by underwater robot 11, then, promote the tension hoisting rope, underwater robot 11 will be subrogated and be hung 3 and remove with the joining shackle of standpipe 1 suspension centre, and regain to subrogate and hang 3 hoisting rope;
(6) at this moment, standpipe 1 has been transferred on two hoist engines 8 of platform 9, and DP II type dynamic positioning vessel 7 can return harbour and load and transport next section standpipe 1.Treat that standpipe 1 water of adjusting to the right place substantially under the diver of back finishes standpipe 1 steady job, diving part uses air dive to carry out underwater operation, and deep water partly uses saturation diving to carry out underwater operation, and therefore, ship (DSV) support is supported in whole process need saturation diving.
Same method can be finished the installation work of hypomere standpipe, and whole the installation than the large-scale lifting workboat of conventional use shortened 7 days.
Pipe carrier 2, subrogate hang 3, strut 4, rigging 5, anchor sinker 6, station keeping ship 7, hoist engine 8, underwater robot 11 be the commercially available prod or adopt the prior art manufacturing.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. the mounting method of a jacket standpipe is characterized in that: adopt following installation steps:
The first step, before marine the installation, standpipe is finished prefabricated work earlier on land;
In second step, the working power station keeping ship is striden the pipe transportation;
The 3rd step, subrogate the handling standpipe by several, standpipe is winched on the pipe carrier, and fixing;
The 4th step, carry out that sea lifts and diving operation, standpipe is transferred on the hoist engine of platform, treat that standpipe is adjusted to the right place after, water is finished the standpipe steady job under the diver.
2. the mounting method of jacket standpipe according to claim 1 is characterized in that: the concrete installation steps in described the 4th step:
1) early-stage preparations: before dynamic positioning vessel arrives operating location, need to finish in advance the steady job of suspension centre welding and hoist engine on the platform, and lay several anchor sinkers at the seabed assigned address;
2) adopt several to subrogate and hang lifting simultaneously, standpipe is hung out pipe carrier, keep flat entry to designated depth; Then, standpipe is erect, consistent until the standpipe gradient with the jacket gradient; Remove shackle by underwater robot, and regain this and subrogate the wire rope that hangs;
3) the hoist engine lifting rope is sent on the dynamic positioning vessel by pull rope, and is connected on the wire rope of standpipe upper end;
4) hoist engine reclaims wire rope, simultaneously, transfers subrogating of dynamic positioning quarter and hangs, and all is transferred on the hoist engine from heavy load until standpipe, then, removes afterbody by underwater robot and subrogates the joining shackle that hangs with standpipe;
5) transfer the hoisting point position of the hoisting rope of auxiliary hoist engine to riser bottom, connected on suspension centre by underwater robot, then, promote the tension hoisting rope, underwater robot will be subrogated the joining shackle dismounting of hanging with the standpipe suspension centre, and regain and subrogate the hoisting rope that hangs;
6) standpipe is transferred to back repeating step 4 on the hoist engine of platform) to step 5), treat that standpipe is adjusted to the right place after, water is finished the standpipe steady job under the diver.
3. the mounting method of jacket standpipe according to claim 1 and 2 is characterized in that: described diving operation uses air dive to carry out underwater operation, and deep water partly uses saturation diving to carry out underwater operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101449166A CN102213085A (en) | 2010-04-09 | 2010-04-09 | Installation method of vertical pipe of guide pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101449166A CN102213085A (en) | 2010-04-09 | 2010-04-09 | Installation method of vertical pipe of guide pipe rack |
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| CN102213085A true CN102213085A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101449166A Pending CN102213085A (en) | 2010-04-09 | 2010-04-09 | Installation method of vertical pipe of guide pipe rack |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515030A (en) * | 2011-12-14 | 2012-06-27 | 攀钢集团工程技术有限公司 | Construction process for replacement for steam pocket in narrow condition |
| CN103883273A (en) * | 2014-02-19 | 2014-06-25 | 中国海洋石油总公司 | Method for utilizing two cranes on saturation diving support vessel to mount vertical pipe |
| CN104002931A (en) * | 2014-05-08 | 2014-08-27 | 天津大学 | U-shaped ocean engineering installation ship and method for installing module on upper portion of conduit frame |
| CN107327629A (en) * | 2017-07-19 | 2017-11-07 | 中海油能源发展股份有限公司 | Submerged pipeline for marine jack-up unit visits accessory system and application method |
| CN108590547A (en) * | 2018-03-01 | 2018-09-28 | 深圳海油工程水下技术有限公司 | Standpipe installation method |
| CN108839758A (en) * | 2018-08-02 | 2018-11-20 | 中交第三航务工程勘察设计院有限公司 | A kind of offshore engineering ship borne type platform prospecting equipment draw off gear and folding and unfolding method |
| CN112339936A (en) * | 2020-09-17 | 2021-02-09 | 海洋石油工程股份有限公司 | In-cabin installation method of riser monitoring system of floating production, storage and unloading device |
Citations (5)
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| US3702539A (en) * | 1971-05-26 | 1972-11-14 | Exxon Production Research Co | Method and apparatus for installing risers |
| US3707077A (en) * | 1971-11-01 | 1972-12-26 | Exxon Production Research Co | Method for installation of a riser on an offshore structure |
| US4074541A (en) * | 1977-07-05 | 1978-02-21 | Brown & Root, Inc. | Method of installing a flexible riser |
| US5269629A (en) * | 1991-07-29 | 1993-12-14 | Shell Oil Company | Elastomeric swivel support assembly for catenary riser |
| US20050196243A1 (en) * | 2004-01-28 | 2005-09-08 | Pollock James A. | Riser apparatus assembly and method of installing same |
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2010
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Patent Citations (5)
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| US3702539A (en) * | 1971-05-26 | 1972-11-14 | Exxon Production Research Co | Method and apparatus for installing risers |
| US3707077A (en) * | 1971-11-01 | 1972-12-26 | Exxon Production Research Co | Method for installation of a riser on an offshore structure |
| US4074541A (en) * | 1977-07-05 | 1978-02-21 | Brown & Root, Inc. | Method of installing a flexible riser |
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Non-Patent Citations (1)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515030A (en) * | 2011-12-14 | 2012-06-27 | 攀钢集团工程技术有限公司 | Construction process for replacement for steam pocket in narrow condition |
| CN103883273A (en) * | 2014-02-19 | 2014-06-25 | 中国海洋石油总公司 | Method for utilizing two cranes on saturation diving support vessel to mount vertical pipe |
| CN103883273B (en) * | 2014-02-19 | 2016-05-11 | 中国海洋石油总公司 | Utilize saturation diving to support the double crane on ship that the method for standpipe is installed |
| CN104002931A (en) * | 2014-05-08 | 2014-08-27 | 天津大学 | U-shaped ocean engineering installation ship and method for installing module on upper portion of conduit frame |
| CN107327629A (en) * | 2017-07-19 | 2017-11-07 | 中海油能源发展股份有限公司 | Submerged pipeline for marine jack-up unit visits accessory system and application method |
| CN107327629B (en) * | 2017-07-19 | 2022-11-08 | 中海油能源发展股份有限公司 | Submarine pipeline approaching auxiliary system for offshore self-elevating platform and use method |
| CN108590547A (en) * | 2018-03-01 | 2018-09-28 | 深圳海油工程水下技术有限公司 | Standpipe installation method |
| CN108590547B (en) * | 2018-03-01 | 2019-09-17 | 深圳海油工程水下技术有限公司 | Standpipe installation method |
| CN108839758A (en) * | 2018-08-02 | 2018-11-20 | 中交第三航务工程勘察设计院有限公司 | A kind of offshore engineering ship borne type platform prospecting equipment draw off gear and folding and unfolding method |
| CN112339936A (en) * | 2020-09-17 | 2021-02-09 | 海洋石油工程股份有限公司 | In-cabin installation method of riser monitoring system of floating production, storage and unloading device |
| CN112339936B (en) * | 2020-09-17 | 2022-07-01 | 海洋石油工程股份有限公司 | In-cabin installation method of riser monitoring system of floating production, storage and unloading device |
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Application publication date: 20111012 |