CN113581416A - Tie-back device for installing multiple steel catenary risers on single side - Google Patents
Tie-back device for installing multiple steel catenary risers on single side Download PDFInfo
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- CN113581416A CN113581416A CN202110801685.XA CN202110801685A CN113581416A CN 113581416 A CN113581416 A CN 113581416A CN 202110801685 A CN202110801685 A CN 202110801685A CN 113581416 A CN113581416 A CN 113581416A
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- lifting module
- winch
- tie
- steel catenary
- auxiliary
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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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a tieback device for mounting a plurality of steel catenary vertical pipes on one side, which comprises a lifting module, a main winch, two auxiliary winches, a steering guide wheel, a head swinging pulley and a connecting assembly, wherein the lifting module is of a frame type cuboid structure, the main winch and the two auxiliary winches capable of downwards discharging cables are mounted at the top of the lifting module, the two auxiliary winches are respectively positioned on two sides of the main winch, the lifting module is detachably mounted on a semi-submersible production platform through the connecting assembly, and the head swinging pulley and the steering guide wheel are respectively mounted at the bottom of the lifting module. The invention can be detached from the semi-submersible production platform, and reduces the load of the platform.
Description
Technical Field
The invention relates to a tie-back device for installing a plurality of steel catenary risers on one side.
Background
Deepwater semi-submersible production platforms have gained increasing engineering applications globally as the major deepwater oil and gas development equipment in the world. Generally, a deepwater semi-submersible production platform needs to be matched with a deepwater riser to form a large mode for deepwater oil and gas resource development. The deepwater riser is primarily used for transport of production media between an underwater production facility and a floating platform.
As a typical deep water riser type, a steel catenary riser (hereinafter referred to as SCR) has the characteristics of strong adaptability to the movement of a floating body and relatively simple structure. The SCR is usually located outside the floating platform using a dedicated suspension device. In consideration of different deep water development project requirements, a plurality of different types of SCR can be arranged on a deep water semi-submersible production platform to realize different transportation functions. Particularly, in the case where a plurality of SCRs are arranged on a single side, it is very difficult to install the SCRs in a tie-back manner. The conventional SCR tieback device is arranged on the platform and serves as a permanent facility of the platform, the dead weight of the platform is increased on the one hand, the platform is not favorable for heavy control, and meanwhile, the winch cable guide path needs to be considered in the platform design, so that inconvenience is brought to the overall platform design and the tieback device design.
Disclosure of Invention
The invention provides a tie-back device for mounting a plurality of steel catenary risers on one side, which can reduce the dead weight of a semi-submersible production platform and can ensure that a winch cable can slide more smoothly.
In order to solve the technical problem, the invention provides a tie-back device for mounting a plurality of steel catenary vertical pipes on one side, which comprises a lifting module, a main winch, two auxiliary winches, a steering guide wheel, a head swinging pulley and a connecting assembly, wherein the frame of the lifting module is of a frame type cuboid structure, the main winch and the two auxiliary winches capable of downwards discharging cables are mounted at the top of the lifting module, the two auxiliary winches are respectively positioned on two sides of the main winch, the lifting module is detachably mounted on a semi-submersible production platform through the connecting assembly, and the head swinging pulley and the steering guide wheel are respectively mounted at the bottom of the lifting module.
Further, the ship body auxiliary guide wheel is also included and is positioned above the deck of the ship body.
The system further comprises a control console, and the control console can control the working states of the main winch and the auxiliary winch.
Furthermore, coupling assembling include upper and lower two parts, wherein upper portion has adopted the bolt form, and the lower part has adopted the bolt and nut form to realize the detachable fixed connection of lift module on semi-submerged formula production platform.
Further, the lift module includes an upper deck, a lower deck, and a support assembly supported between the upper deck and the lower deck.
Furthermore, the two ends of the supporting component are of a frame structure and are respectively fixed on the bottom surface of the upper deck and the top surface of the lower deck.
Furthermore, the number of the steering guide wheels is 3, and the number of the head swinging pulleys is 4; one of the steering guide wheels is arranged in the middle of the bottom of the lifting module, and the steering guide wheel is matched with the swinging pulley so as to realize the sliding and the direction fixing of the cable drawn out of the main cable car.
The invention has the technical effects that: (1) the invention is independent of the existing semi-submersible production platform, is connected with the platform through a special connecting structure, and can be dismantled and recovered by adopting a floating crane after the SCR tieback operation is finished at sea so as to be used continuously at a later period. Meanwhile, by the application of the steering guide wheel and the swinging head pulley, the purpose that all SCR tieback action work on the single side of the semi-submersible platform can be completed without adjusting a lifting module or moving a main winch and an auxiliary winch is achieved, smooth sliding of a cable led out from the winch on a tieback vertical pipe can be ensured, and the design difficulty of the tieback module and the offshore operation engineering quantity are greatly simplified; (2) the auxiliary guide wheel of the ship body is positioned above the ship body, can be arranged according to the number and the position of the stand pipes and consists of two or more pulleys. The auxiliary winch cable extends out of the hull through the steering guide wheel at an approximate horizontal angle through the hull auxiliary guide wheel and is connected with the head of the vertical pipe, so that the auxiliary positioning effect on the process of connecting the vertical pipe back to the position is realized; (3) the lifting module is formed by welding conventional steel materials and is divided into an upper deck and a lower deck, and the strength of the lifting module needs to consider the self weight, the equipment weight and the maximum lifting load possible in the SCR tieback process.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a preferred embodiment of the present invention;
FIG. 3 is a bottom view of a preferred embodiment of the present invention;
FIG. 4 is a schematic view of the arrangement of auxiliary guide wheels of the ship body in a preferred embodiment of the invention;
fig. 5 is a schematic structural view of a connecting assembly in a preferred embodiment of the present invention.
Reference numerals: 1. the device comprises a lifting module, 2 main winches, 3 auxiliary winches, 4 steering guide wheels, 5 head swinging pulleys, 6 upper connecting assemblies, 7 lower connecting assemblies, 8 local control consoles and 9 hull auxiliary guide wheels.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
In the first embodiment, as shown in fig. 1 to 5, the invention discloses a tie-back device for installing a plurality of steel catenary risers on a single side, and each step is implemented as follows:
the utility model provides a tieback device for installation of many steel catenary riser of unilateral, including hoisting module 1, the main winch 2, two auxiliary winch 3, turn to leading wheel 4, yaw pulley 5 and coupling assembling (including last coupling assembling 6 and lower coupling assembling 7), hoisting module 1 is frame-type cuboid structure, hoisting module 1's top installation can discharge the main winch 2 and two auxiliary winch 3 of hawser downwards, two are supplementary to be located the both sides of main winch 2 respectively, hoisting module 1 installs in semi-submerged formula production platform through coupling assembling detachably, yaw pulley 5 with turn to leading wheel 4 and install respectively in hoisting module 1's bottom.
The lifting module 1 comprises an upper deck, a lower deck and a supporting component, wherein a connecting component is arranged on the side face of the supporting component, a main winch 2 and two auxiliary winches 3 are respectively installed on the top face of the upper deck, and the main winch 2 is located between the two auxiliary main winches 2. The bottom surface of the lower deck is respectively provided with 3 rotating guide wheels 4 and 4 swinging pulleys 5. The lifting module 1 is a frame structure formed by welding conventional steel, two ends of the lifting module are respectively fixed with the upper deck and the lower deck, and the strength of the lifting module 1 needs to consider the self weight, the equipment weight and the maximum lifting load in the SCR tieback process. The upper deck of the hoisting module 1 is perforated to facilitate the passage of the cable downwardly led out from the main winch 2 and the auxiliary winch 3 thereon. The height design of the lifting module 1 takes the distance from the winch cable outlet point to the steering guide wheel 4 into consideration to meet the requirement of direct winch cable outlet.
The rope inlet point of the steering guide wheel 4 can be respectively positioned right below the rope outlet points of the centers of the ropes of the main winch 2 and the auxiliary winch 3, so that all the ropes on the winch drum can effectively enter the steering guide wheel 4.
The swinging pulley 5 is positioned at the outer edge of the lower deck, so that the cable of the main winch 2 can pass through the steering guide wheel 4 and then is downwards connected with the vertical pipe head through the swinging pulley 5. Meanwhile, the position of the head-swinging pulley 5 also considers the safe distance between the cable of the main winch 2 and the hull and the riser base after the cable is connected with the riser head.
The connection type of the connecting component at the upper deck elevation and the lower deck elevation of the lifting module 1 is different and is divided into an upper connecting component 6 and a lower connecting component 7, the upper deck elevation of the lifting module 1 is provided with a long pin and a short pin, the upper connecting component 6 of the lifting module 1 adopts a pin hole form, the pin hole and the short pin are matched to realize alignment, positioning and connection of a single pin and a hole, and then other pins and holes are connected, so that actual hoisting operation is facilitated. At the elevation of the lower deck of the lifting module 1, the end surfaces of the lower connecting components 7 on the semi-submersible platform and the lifting module 1 are perforated in a flat plate shape and connected by bolts and nuts. After the primary connection is finished at the elevation of the upper deck, the transmission of related loads can be carried out through bolts and nuts.
The auxiliary guide wheel 9 of the ship body is positioned above the ship body, can be arranged according to the number and the position of the vertical pipes and consists of two or more pulleys. The cable of the auxiliary winch 3 extends out of the ship body through the steering guide wheel 4 and the ship body auxiliary guide wheel 9 at an approximately horizontal angle and is connected with the vertical pipe head. The auxiliary positioning effect on the process of tieback positioning of the stand pipe is realized.
In this embodiment, the main winch 2 is located between the two auxiliary winches 3, and the main winch 2 and the auxiliary winches 3 are conventional winches, and the rated capacity, the diameter of the drum and the rope capacity of the conventional winch can be determined according to actual project requirements. In some other embodiments, the arrangement position of the main winch 2 is determined according to the intersection of the extension lines of the plurality of swing-head pulleys 5 on the module.
The second embodiment is different from the first embodiment in that a local console 8 is further provided on the top of the hoisting module, and the operating states of the main winch 2 and the auxiliary winch 3 can be controlled. The working states of the winch comprise starting and stopping, cable collecting, cable arranging and emergency stopping, and the winch can be freely switched under the control of the local control console 8.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (7)
1. A tieback device for installation of a plurality of steel catenary risers on a single side, comprising: including lifting module, main winch, two auxiliary winch, turn to leading wheel, yaw pulley and coupling assembling, the lifting module frame is posture cuboid structure, the top installation of lifting module can discharge the hawser downwards main winch and two auxiliary winch, two auxiliary winch is located respectively the both sides of main winch, the lifting module passes through coupling assembling detachably installs in semi-submerged formula production platform, the yaw pulley with turn to the leading wheel and install respectively lifting module's bottom.
2. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 1, wherein: the ship body auxiliary guide wheel is positioned above a deck of the ship body.
3. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 1, wherein: the system further comprises a control console, and the control console can control the working states of the main winch and the auxiliary winch.
4. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 1, wherein: the connecting assembly comprises an upper part and a lower part, wherein the upper part adopts a bolt form, and the lower part adopts a bolt and nut form, so as to realize the detachable fixed connection of the lifting module on the semi-submersible production platform.
5. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 1, wherein: the lifting module comprises an upper deck, a lower deck and a support assembly, wherein the support assembly is supported between the upper deck and the lower deck.
6. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 5, wherein: the supporting component is a frame structure, and two ends of the frame structure are respectively fixed on the bottom surface of the upper deck and the top surface of the lower deck.
7. A tie-back arrangement for single sided multi-steel catenary riser installation according to claim 1, wherein: the number of the steering guide wheels is 3, and the number of the swinging pulleys is 4; one of the steering guide wheels is arranged in the middle of the bottom of the lifting module, and the steering guide wheel is matched with the swinging pulley so as to realize the sliding and the direction fixing of the cable drawn out of the main cable car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801685.XA CN113581416B (en) | 2021-07-15 | 2021-07-15 | Tie-back device for installing multiple steel catenary risers on single side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801685.XA CN113581416B (en) | 2021-07-15 | 2021-07-15 | Tie-back device for installing multiple steel catenary risers on single side |
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| Publication Number | Publication Date |
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| CN113581416A true CN113581416A (en) | 2021-11-02 |
| CN113581416B CN113581416B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110801685.XA Active CN113581416B (en) | 2021-07-15 | 2021-07-15 | Tie-back device for installing multiple steel catenary risers on single side |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB284924A (en) * | 1927-06-21 | 1928-02-09 | Frederick Johnson Shepard Jr | Improvements in and relating to portable load carrying and hoisting machines |
| US20060201564A1 (en) * | 2005-03-14 | 2006-09-14 | Jack Pllack | Riser installation from offshore floating procuction unit |
| KR20130017491A (en) * | 2011-08-11 | 2013-02-20 | 삼성중공업 주식회사 | Cable delivery device for offshore drilling platform |
| US8684336B1 (en) * | 2011-01-25 | 2014-04-01 | Steve Akerman | Top drive and crown apparatus for drilling derrick |
| US20190323297A1 (en) * | 2018-04-20 | 2019-10-24 | Oceaneering International, Inc. | Underwater SCR Lifting Frame |
| CN111088950A (en) * | 2019-12-30 | 2020-05-01 | 江苏省水文地质工程地质勘察院 | Winch system device for improving geological drilling lifting efficiency of offshore engineering |
-
2021
- 2021-07-15 CN CN202110801685.XA patent/CN113581416B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB284924A (en) * | 1927-06-21 | 1928-02-09 | Frederick Johnson Shepard Jr | Improvements in and relating to portable load carrying and hoisting machines |
| US20060201564A1 (en) * | 2005-03-14 | 2006-09-14 | Jack Pllack | Riser installation from offshore floating procuction unit |
| US8684336B1 (en) * | 2011-01-25 | 2014-04-01 | Steve Akerman | Top drive and crown apparatus for drilling derrick |
| KR20130017491A (en) * | 2011-08-11 | 2013-02-20 | 삼성중공업 주식회사 | Cable delivery device for offshore drilling platform |
| US20190323297A1 (en) * | 2018-04-20 | 2019-10-24 | Oceaneering International, Inc. | Underwater SCR Lifting Frame |
| CN111088950A (en) * | 2019-12-30 | 2020-05-01 | 江苏省水文地质工程地质勘察院 | Winch system device for improving geological drilling lifting efficiency of offshore engineering |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN113581416B (en) | 2022-09-06 |
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