CN113581417A - Tieback lifting method and lifting system for mounting semi-submersible production platform vertical pipe - Google Patents
Tieback lifting method and lifting system for mounting semi-submersible production platform vertical pipe Download PDFInfo
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- CN113581417A CN113581417A CN202110821515.8A CN202110821515A CN113581417A CN 113581417 A CN113581417 A CN 113581417A CN 202110821515 A CN202110821515 A CN 202110821515A CN 113581417 A CN113581417 A CN 113581417A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
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Abstract
The invention relates to the technical field of floating ocean platform riser lifting tieback, and discloses a tieback lifting method and a lifting system for mounting a semi-submersible production platform riser, wherein the lifting system comprises the following parts: the device comprises a vertical pipe lifting module, a steel wire rope guide cable assembly and an operating platform assembly, wherein the vertical pipe lifting module is provided with a lifting winch/anchor machine, a guide winch and other operation auxiliary winches; the steel wire rope guide assembly comprises a cable guide, a swinging pulley, a fixed pulley, a suspension pulley block, a guide window and the like; the operation platform assembly comprises an operation platform, a protective railing, a channel vertical ladder and the like. According to the lifting method and the lifting system, the lifting installation of the vertical pipes arranged on the outer side or the inner side of the plurality of bypasses of the platform is realized through at least one lifting module, meanwhile, the lifting module does not occupy the normal production space of the platform and can be integrally detached, the influence on the area and the weight of the deck of the platform is reduced, the number of equipment is reduced, the construction and installation workload is reduced, and the project investment is saved.
Description
Technical Field
The invention relates to the technical field of lifting tieback of a floating ocean platform riser, in particular to a tieback lifting method and a tieback lifting system for mounting a semi-submersible production platform riser.
Background
Floating offshore platforms typically employ risers connected to subsea manifolds or for export of oil and gas. The floating ocean platform is generally built in a shipyard or a maritime work site, and after the building is completed, the floating ocean platform is towed to an operation site and is connected with a pre-laid riser. Due to the arrangement limitations of underwater production systems, mooring systems, marine pipes, etc., it is difficult to install risers on all sides of the platform, and the risers need to be arranged on a plurality of bypasses of the platform. Also, and subject to special circumstances, risers may need to be disposed inboard of the platform bypass.
If riser lifting modules are correspondingly arranged above the risers on each side of the platform to lift and install the risers, on one hand, the number of the lifting modules is increased, the weight and the engineering investment of the platform are increased, and on the other hand, the overall arrangement design, the construction and the installation difficulty of the lifting device and the platform are increased. Especially in case the risers are arranged inside the by-pass, the hoisting device needs to be arranged on the block deck above the riser installation location or be suspended below the block deck in the corresponding location. No matter install on the chunk deck or hang under the deck, owing to arrange at the platform inboard, can't carry out the whole installation and the demolition that promote the module, especially arrange on the chunk deck, can encroach the space that normally produces equipment of platform, increase the platform area.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tieback lifting method and a tieback lifting system for mounting a semi-submersible production platform riser, which can solve the technical problems in the prior art.
In order to achieve the purposes of the tieback lifting method and the tieback lifting system for mounting the semi-submersible production platform vertical pipe, the invention provides the following technical scheme: a tieback lifting system for mounting a semi-submersible production platform riser comprises a riser lifting module, a steel wire rope guide cable assembly and an operation platform assembly.
Preferably, the combined application of the multiple components of the system is used for realizing the lifting and the tieback of the risers at different positions of the hull of the ocean platform.
Preferably, the riser lifting module is arranged on the side edge of the platform block, and one or two riser lifting modules are arranged, so that the riser lifting module does not occupy the space of normal production equipment of the platform.
Preferably, the riser lifting module is provided with a main lifting winch/anchor machine, a guide winch and other components, the winch/anchor machine provides power for lifting the riser upwards through the main lifting towing rope, and the guide winch provides lateral traction force for drawing the flexible joint of the riser towards the joint base through the auxiliary control towing rope.
Preferably, the wire rope fairlead assembly comprises a fairlead, a swinging pulley, a fixed pulley, a suspension pulley block, a guide window and other components, and is used for leading the main lifting streamer and the auxiliary steering streamer of the lifting module to the swinging pulley above the installation position of the riser.
Preferably, the operating platform assembly comprises an operating platform, a guard rail, a channel vertical ladder and the like; the operation platform provides an operation surface for operators when the system performs cable guiding operation; the protective barrier is used for providing a protective effect in an operation period; the passage vertical ladder is used for passing people and materials from the operation platform to other positions of the ocean platform.
Further, the tieback lifting system for mounting the semi-submersible production platform riser comprises the following steps of:
step one, a vertical pipe lifting module, a steel wire rope guide cable assembly and an operation platform assembly are installed, so that a lifting system is installed, and system debugging is carried out;
step two, installing a riser lifting module by using the south side of the platform, installing a riser outside a bypass on the south side of the lifting platform, and recovering a main lifting towing cable and an auxiliary steering towing cable of the riser lifting module after the installation is finished;
guiding a main lifting streamer and an auxiliary steering streamer of the south-side riser lifting module to be above the mounting position of a west-side bypass riser of the platform through a guide cable assembly and an operation platform, mounting a riser inside a lifting bypass, and recovering the main lifting streamer and the auxiliary steering streamer of the riser lifting module after mounting;
and step four, guiding the auxiliary steering towing cables of the south side vertical pipe lifting module to be above the installation position of the north side bypass vertical pipe of the platform through the guide cable assembly and the operating platform, and assisting the north side lifting module to lift the north side bypass outer side vertical pipe to complete installation of all the vertical pipes.
Compared with the prior art, the tieback lifting method and the tieback lifting system for mounting the semi-submersible production platform vertical pipe have the following beneficial effects that:
the tieback lifting method and the tieback lifting system for mounting the riser of the semi-submersible production platform utilize the system to realize lifting and mounting of the riser arranged on the outer side or the inner side of a plurality of bypasses of the platform through at least one lifting module, and meanwhile, the lifting module does not occupy the normal production space of the platform and can be integrally dismounted, thereby reducing the influence on the area and the weight of a platform deck, reducing the number of equipment, reducing the construction and mounting workload and saving project investment.
The tieback lifting method and the tieback lifting system for mounting the semi-submersible production platform vertical pipe have the following technical effects:
1. according to the tieback lifting method and the tieback lifting system for mounting the vertical pipe of the semi-submersible production platform, the problem of poor operability of double-floating-body operation in the process of mounting the vertical pipe by using a floating crane ship is solved, and the safety of the lifting operation of the vertical pipe is improved.
2. The tieback lifting method and the tieback lifting system for mounting the semi-submersible production platform vertical pipe avoid the problem that the vertical pipe positioned on the inner side of the platform or at the position covered by a deck cannot be mounted by a floating crane ship.
Drawings
FIG. 1 is a schematic view of a riser lift tie-back system of the present invention;
FIG. 2 is a schematic view of a riser lift module of the present invention;
FIG. 3 is a schematic view of a riser lift module of the present invention;
FIG. 4 is a schematic view of a wireline fairlead assembly and an operating platform assembly of the present invention;
FIG. 5 is a schematic view of a riser lift tie-back process of the present invention;
FIG. 6 is a diagram of a floating ocean platform riser deployment according to an embodiment of the present invention;
FIG. 7 is a block diagram of a riser lift tie-back system in an embodiment of the present invention;
fig. 8-10 are schematic diagrams of a pipe lift tie-back system performing riser lift operations at different locations on a platform according to embodiments of the present invention.
In the figure: 1. a riser lift module; 11. lifting a winch; 12. a guiding winch; 13. an anchor machine; 2. a wire rope fairlead assembly; 21. a cable guide; 22. a swing pulley; 23. fixing the pulley; 24. a pulley block is hung; 25. a guide window; 3. an operating platform assembly; 31. an operating platform; 32. a guard rail; 33. a channel straight ladder; 4. lifting the stand pipe; 41. a main hoisting streamer; 42. an auxiliary steering streamer; 43. a flexible joint; 44. a joint base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a tieback hoisting method and system for installing a semi-submersible production platform riser according to an embodiment of the present invention;
as shown in fig. 5, the method and system for tieback hoisting of a floating ocean platform riser provided by the present invention are completed by the following steps: s1, installing a riser lifting module, a steel wire rope guide cable assembly and an operation platform assembly, completing the installation of a lifting system, and debugging the system; s2, installing a riser lifting module by using the south side of the platform, installing a riser outside a bypass on the south side of the lifting platform, and recovering a main lifting streamer and an auxiliary steering streamer of the riser lifting module after the installation is finished; s3, guiding a main lifting streamer and an auxiliary steering streamer of the south-side riser lifting module to the position above the installation position of a west-side bypass riser of the platform through the cable guide assembly and the operation platform, installing a lifting bypass inner-side riser, and recovering the main lifting streamer and the auxiliary steering streamer of the riser lifting module after installation; s4, guiding the auxiliary steering towing cable of the south side riser lifting module to the position above the installation position of the north side bypass riser of the platform through the cable guide assembly and the operation platform, and assisting the north side lifting module to lift the north side bypass outer side riser to complete installation of all risers.
As shown in fig. 6, in this embodiment, the floating ocean platform has risers on the north, south and west sides of the platform to be installed.
As shown in fig. 7, the riser lift tie-back system provided according to the present invention in this embodiment comprises three parts: (1) the vertical pipe lifting module is provided with a lifting winch/anchor machine, a guide winch and other operation auxiliary winches; (2) the steel wire rope guide assembly comprises a cable guide, a swinging pulley, a fixed pulley, a suspension pulley block, a guide window and the like; (3) the operation platform assembly comprises an operation platform, a protective railing, a channel vertical ladder and the like.
Specifically, the riser lifting module is arranged on the side edge of the platform block, and one or two riser lifting modules can be arranged, so that the riser lifting module does not occupy the space of normal production equipment of the platform.
Specifically, the lifting module is provided with a main lifting winch/anchor machine, a guide winch and other components, the winch/anchor machine provides power for lifting the vertical pipe upwards through the main lifting towing rope, and the guide winch provides lateral traction force for drawing the flexible joint of the vertical pipe towards the direction of the joint base through the auxiliary control towing rope.
Specifically, a part of the steel wire rope guide cable assembly is arranged at the bottom of the lifting module, and a part of the steel wire rope guide cable assembly is arranged at the bottom of the block and leaves enough clean space with the bottom of the block.
Specifically, the operation platform assembly is partially arranged at the bottom of the lifting module, and partially arranged at the bottom of the block. And an appropriate distance is reserved between the cable guide component and the steel wire rope, so that the requirement of navigation operation can be met.
As shown in fig. 8-10, embodiments rely on the riser tieback hoisting method of the present invention to perform riser hoisting operations at different locations of the platform.
Specifically, the platform south side vertical pipe utilizes a lifting winch and an auxiliary steering winch on a south side vertical pipe lifting module, utilizes a steel wire rope guide cable assembly to pull a main lifting towing cable and a steering towing cable to a flexible joint of a vertical pipe to be installed, and lateral pulling is matched with the main lifting towing cable to complete the positioning of the flexible joint of the vertical pipe to a joint base. Recovering a main lifting towing cable and an auxiliary steering towing cable of the riser lifting module after the installation is finished;
specifically, the platform west side vertical pipe utilizes a lifting winch and a guiding winch on a south side vertical pipe lifting module, utilizes a steel wire rope cable guiding assembly and an operation platform assembly to pull a main lifting towing cable and a steering towing cable to a flexible joint of the vertical pipe to be installed, and the lateral pulling is matched with the main lifting towing cable to complete the positioning of the flexible joint of the vertical pipe to a joint base.
Specifically, the north side riser of the platform utilizes an anchor machine on a north side riser lifting module to provide lifting force, utilizes an operation platform assembly and a steel wire rope guide cable assembly to pull a steering towing cable on a guiding winch on a south side riser lifting module to a flexible joint of a riser to be installed to provide lateral traction, and is matched with a main lifting towing cable to complete the positioning of the riser flexible joint to a joint base.
When the tieback lifting method and the lifting system for mounting the semi-submersible production platform stand pipe are used, the system is utilized, the lifting and mounting of the stand pipe arranged at the outer side or the inner side of a plurality of bypasses of the platform are realized through at least one lifting module, meanwhile, the lifting module does not occupy the normal production space of the platform, can be integrally dismounted, the influence on the area and the weight of a platform deck is reduced, the number of equipment is reduced, the construction and mounting workload is reduced, and the project investment is saved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A tieback hoist system of semi-submersible production platform riser installation which characterized in that: the system is composed of a riser lifting module, a steel wire rope cable guide assembly and an operating platform assembly.
2. A semi-submersible production platform riser installed tieback lift system as claimed in claim 1 wherein: by the combined application of the components of the system, the system is used for realizing the lifting tieback of the risers at different positions of the hull of the ocean platform.
3. A semi-submersible production platform riser installed tieback lift system as claimed in claim 1 wherein: the riser lifting modules are arranged on the side edges of the platform blocks, and one or two riser lifting modules are arranged, so that the riser lifting modules do not occupy the space of normal production equipment of the platform.
4. A semi-submersible production platform riser installed tieback hoist system as claimed in claim 3, wherein: the riser lifting module is provided with a main lifting winch/anchor machine, a guide winch and other components, the winch/anchor machine provides power for lifting the riser upwards through a main lifting towing rope, and the guide winch provides lateral traction force for pulling the flexible joint of the riser towards the direction of the joint base through an auxiliary control towrope.
5. A semi-submersible production platform riser installed tieback lift system as claimed in claim 1 wherein: the steel wire rope guide assembly comprises a cable guider, a swinging pulley, a fixed pulley, a suspension pulley block, a guide window and other components, and is used for guiding a main lifting towing cable and an auxiliary steering towing cable of the lifting module to the swinging pulley above a vertical pipe installation position.
6. A semi-submersible production platform riser installed tieback lift system as claimed in claim 1 wherein: the operating platform assembly comprises an operating platform, a protective railing, a channel vertical ladder and the like; the operation platform provides an operation surface for operators when the system performs cable guiding operation; the protective barrier is used for providing a protective effect in an operation period; the passage vertical ladder is used for passing people and materials from the operation platform to other positions of the ocean platform.
7. A tieback lifting method for mounting a semi-submersible production platform riser is characterized by comprising the following steps: a tieback riser system for a semi-submersible production platform riser installation according to claims 1-6, wherein the completion of riser lifting comprises the steps of:
step one, a vertical pipe lifting module, a steel wire rope guide cable assembly and an operation platform assembly are installed, so that a lifting system is installed, and system debugging is carried out;
step two, installing a riser lifting module by using the south side of the platform, installing a riser outside a bypass on the south side of the lifting platform, and recovering a main lifting towing cable and an auxiliary steering towing cable of the riser lifting module after the installation is finished;
guiding a main lifting streamer and an auxiliary steering streamer of the south-side riser lifting module to be above the mounting position of a west-side bypass riser of the platform through a guide cable assembly and an operation platform, mounting a riser inside a lifting bypass, and recovering the main lifting streamer and the auxiliary steering streamer of the riser lifting module after mounting;
and step four, guiding the auxiliary steering towing cables of the south side vertical pipe lifting module to be above the installation position of the north side bypass vertical pipe of the platform through the guide cable assembly and the operating platform, and assisting the north side lifting module to lift the north side bypass outer side vertical pipe to complete installation of all the vertical pipes.
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| CN202110821515.8A CN113581417B (en) | 2021-07-20 | 2021-07-20 | Tieback lifting method and tieback lifting system for installation of semi-submersible production platform vertical pipe |
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| CN202110821515.8A CN113581417B (en) | 2021-07-20 | 2021-07-20 | Tieback lifting method and tieback lifting system for installation of semi-submersible production platform vertical pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114809947A (en) * | 2022-01-28 | 2022-07-29 | 中国海洋石油集团有限公司 | Installation tie-back method for deepwater steel catenary riser |
| CN114852282A (en) * | 2022-05-16 | 2022-08-05 | 中国海洋石油集团有限公司 | Tieback device suitable for installation of inboard suspension riser of semi-submersible production platform |
| CN114872860A (en) * | 2022-05-12 | 2022-08-09 | 中国海洋石油集团有限公司 | Large-tension tie-back device suitable for semi-submersible production platform steel catenary riser |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809947A (en) * | 2022-01-28 | 2022-07-29 | 中国海洋石油集团有限公司 | Installation tie-back method for deepwater steel catenary riser |
| CN114809947B (en) * | 2022-01-28 | 2024-10-01 | 中国海洋石油集团有限公司 | Deepwater steel catenary riser installation tieback method |
| CN114872860A (en) * | 2022-05-12 | 2022-08-09 | 中国海洋石油集团有限公司 | Large-tension tie-back device suitable for semi-submersible production platform steel catenary riser |
| CN114852282A (en) * | 2022-05-16 | 2022-08-05 | 中国海洋石油集团有限公司 | Tieback device suitable for installation of inboard suspension riser of semi-submersible production platform |
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| Publication number | Publication date |
|---|---|
| CN113581417B (en) | 2024-07-02 |
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