CN103482025A - Novel inwards rotation tower single-point mooring device - Google Patents
Novel inwards rotation tower single-point mooring device Download PDFInfo
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- CN103482025A CN103482025A CN201310412386.2A CN201310412386A CN103482025A CN 103482025 A CN103482025 A CN 103482025A CN 201310412386 A CN201310412386 A CN 201310412386A CN 103482025 A CN103482025 A CN 103482025A
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Abstract
The invention discloses an inwards rotation tower single-point mooring device. The novel inwards rotation tower single-point mooring device comprises single-point buoys, a rotation tower structure, a vertical pipe deck, a ball collecting deck, a sliding ring combination and a mooring cable, wherein the single-point buoys are connected with the rotation tower structure; the mooring cable is arranged on the bottoms of the single-point buoys; the vertical pipe deck and the ball collecting deck are successively arranged on the top of the rotation tower structure; and the sliding ring combination is arranged on the ball collecting deck, and comprises a plurality of liquid sliding rings, an electric sliding ring or an optical fiber sliding ring. The requirement on a continuous working weather window is low during connection and disconnection; and the novel inwards rotation tower single-point mooring device particularly has obvious advantages under the condition that the requirement on two to three weeks of continuous weather windows needed by single-point return connection without a disconnection device is met difficultly in a winter monsoon climate.
Description
Technical field
The present invention relates to a kind of inner cupola single point mooring unit.
Background technology
Along with the development of China's marine oil cause, floating production storage offloading (FPSO) becomes the principal facility of offshore oil and gas field exploitation, and the exploitation of offshore oil and gas field is played to vital effect.According to different marine sites and sea conditions, current FPSO in the world mainly adopts following three kinds of mooring modes: single buoy mooring system, multi-buoy mooring system and dynamic positioning system (DPS).Single buoy mooring system is owing to resisting severe extreme environmental conditions, and has vane effect, becomes the unique selection of severe marine site FPSO location.General Bohai Offshore FPSO adopts the soft firm arm single buoy mooring system of pylon, and southern China sea FPSO adopts the inner cupola single buoy mooring system.The inner cupola single buoy mooring system is positioned at the FPSO stem, is that southern China sea FPSO produces and locates indispensable component part, is bearing well liquid and electric conveying.As everyone knows, southern China sea belongs to the typhoon district that takes place frequently, and some problems occur successively the inner cupola single buoy mooring system under severe sea condition, has caused very large impact to the safety in production in oil field.Therefore, expect that a kind of Operation and Maintenance is simple, adaptation extreme sea condition ability is strong, number of channels limits emerging of low novel inner cupola single buoy mooring system form.
Summary of the invention
The purpose of this invention is to provide a kind of inner cupola single point mooring unit, inner cupola single point mooring unit Operation and Maintenance of the present invention is simple, adaptation extreme sea condition ability is strong and the number of channels restriction is low.
A kind of inner cupola single point mooring unit provided by the present invention comprises single-point floating drum, turret structure, riser deck, receipts ball deck and slip ring combination and mooring fast;
Described single-point floating drum is connected with described turret structure; Described mooring fast is located at the bottom of described single-point floating drum;
Described riser deck and described receipts ball deck are located on the top of described turret structure successively;
Described slip ring combination is located on described receipts ball deck, and described slip ring combination comprises several liquid slip rings, electric slip ring or optical fiber slip ring.
In above-mentioned inner cupola single point mooring unit, on described riser deck and described receipts ball deck, can arrange the required auxiliary facilities of some single-points such as various windlass, receiving ball tube.
In above-mentioned inner cupola single point mooring unit, described single buoy mooring system also comprises gantry structure, described gantry structure is set on the top of described inner cupola single point mooring unit, and described gantry structure is connected with described slip ring combination, in use, described gantry structure is connected with the main deck of FPSO, and described gantry structure is conducive to the Operation and maintenance in production process.
In above-mentioned inner cupola single point mooring unit, described single-point floating drum is provided with several ballast tanks, when the described single-point floating drum of needs is freed, by ballast, can make described single-point floating drum sink to below the water surface; When the described single-point floating drum of needs tieback, by row, carry with the buoyancy of described single-point floating drum self and realize whole tieback; The material of described single-point floating drum can be conventional steel structure.
In above-mentioned inner cupola single point mooring unit, the bottom of described single-point floating drum is provided with some mooring fasts; Described mooring fast can be packet type and arranges or be evenly arranged; Can be used to arrange standpipe and cable between mooring fast.
The present invention also further provides a kind of FPSO that is provided with the inner cupola single point mooring unit, and it comprises FPSO body and described inner cupola single point mooring unit;
Described single-point floating drum and described turret structure are located in the cabin of described FPSO body, and the bottom of described single-point floating drum is connected with the bottom of described cabin, and the top of described turret structure is connected with the main deck of described cabin;
Described riser deck, described receipts ball deck and the combination of described slip ring all are located on described main deck.
In above-mentioned FPSO, the rotating part of described slip ring combination is connected with the hull of described FPSO body, can be with the 360 degree motions of FPSO body, the stationary part of described slip ring combination is connected with described single-point floating drum with described riser deck, described receipts ball deck, described turret structure, to keep relatively static;
Described turret structure and described single-point floating drum transmit the load of mooring fast, standpipe and cable by metal (upper, FPSO is rotated around metal (upper, thereby assurance turret structure and floating drum are static.
Inner cupola single point mooring unit provided by the invention can, specifically according to the ability of its reply typhoon extreme environmental conditions, realize that during typhoon period is freed function and during typhoon period is not freed function.In the time of can't resisting typhoon invasion and attack changeable when experience over design condition or need lie up maintenance, described single-point floating drum need be separated with described FPSO, at first standpipe is connected with the single-point floating drum after riser deck is freed with cable, by kickoff mechanism, described single-point floating drum (now containing standpipe, cable and mooring fast) is separated with FPSO, then by described load chamber, make described single-point floating drum sink to 40 meters left and right below the water surface and get final product; When the typhoon environmental conditions badly but surpasses design condition, the single-point floating drum is not freed, and an evacuating people, close a well in.
The present invention, owing to adopting above technical scheme, has the following advantages:
1, single point mooring unit of the present invention can be resisted a-hundred-year and above severe sea condition, and described single buoy mooring system can be destroyed or environmental forecasting is conveniently freed and withdrawn while surpassing the design extreme environment at mooring fast, safe;
2, the slip ring of single point mooring unit of the present invention combination is arranged on fore castle deck, is convenient to outdoorly be keeped in repair and operate;
3, single point mooring unit of the present invention is low to the quantity limitation of single-point passage, can, according to the field produces needs in later stage, increase corresponding slip ring;
4, single point mooring unit of the present invention has the function of freeing, and in advance mooring fast, standpipe and cable is fastened on the single-point floating drum, realizes integrated connection, and general only the need can complete tieback in 3 days, reduces the off-time;
5, but the kickoff mechanism in single buoy mooring system of the present invention frees the program design manual operation, guarantee to free in 24 hours, can avoid widely hydraulic pressure free program do not use for a long time under brought emergency condition inextricable may or the pretension hoisting force of hydraulic locking apparatus can't maintain required size;
6, single point mooring unit of the present invention is to connecting and the weather window of can working of continuing while freeing requires relatively low, especially for monsoon climate in the winter time, be difficult to meet not with the single-point tieback of kickoff mechanism in the situation of the required requirement that continues weather window continuous 2-3 week, the present invention has obvious advantage.
The accompanying drawing explanation
The structural representation that Fig. 1 is inner cupola single point mooring unit of the present invention (not comprising gantry structure).
The structural representation that Fig. 2 is inner cupola single point mooring unit of the present invention (comprising gantry structure).
Fig. 3 is the structural representation that the present invention includes the FPSO of inner cupola single point mooring unit.
The structural representation that Fig. 4 is the mooring fast in inner cupola single point mooring unit of the present invention.
In figure, each mark is as follows: 1 single-point floating drum, 2 turret structure, 3 riser deck, 4 are received ball deck, 5 slip ring combinations, 6 structure connectors, 7 gantry structures, 8 mooring fasts.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to following examples.
As shown in Figure 1, single buoy mooring system provided by the invention comprises single-point floating drum 1, turret structure 2, riser deck 3, receives ball deck 4 and slip ring combination 5; Wherein, this single-point floating drum 1 is connected by structure connector 6 with turret structure 2, conveniently frees and tieback.Wherein riser deck 3 and receipts ball deck 4 are located on the top of turret structure 2 successively, on riser deck 3 and receipts ball deck 4, can arrange the required auxiliary facilities of some single-points such as various windlass, receiving ball tube.
Slip ring combination 5 in the present invention comprises a plurality of slip rings, realized well liquid and electric conveying, it is arranged on receives on ball deck 4, and the selection of slip ring kind is generally according to the needs of the exploitation of oil-gas field, and need take into account the latent demand of regionl development, be equipped with liquid slip ring, high-tension current slip ring or communication slip ring.Selection for single-point liquid slip ring is generally determined according to the processing capacity of FPSO and the delivery requirements in peripheral oil field, and it is fixed that the high-tension current slip ring need come according to the upper maximum power delivery capabilities of FPSO, and it is fixed that the communication slip ring comes according to communication need between platform and FPSO.
The present invention can realize the Operation and maintenance to slip ring combination 5 by arranging with slip ring combination 5 gantry structures that are connected 7.
A plurality of ballast tanks are set on single-point floating drum 1, for realizing freeing of this single buoy mooring system, when needs single-point floating drum is freed, by ballast, can make the single-point floating drum sink to below the water surface; When needs single-point floating drum tieback, carry with the buoyancy of single-point floating drum self and realize whole tieback by row, the material of this single-point floating drum is conventional steel structure.
Be provided with many mooring fasts 8, standpipe and cable on the bottom of this single-point floating drum 1, wherein mooring fast is that packet type is arranged, for being connected with FPSO, and is conducive to the layout of standpipe and cable.
The FPSO that comprises above-mentioned inner cupola single point mooring unit provided by the present invention, as shown in Figure 3, it comprises above-mentioned inner cupola single point mooring unit and FPSO body, single-point floating drum 1 and turret structure 2 are located in the cabin of FPSO body, turret structure 2 is connected with the main deck of FPSO body cabin by head bearing, and single-point floating drum 1 is connected with the bottom of cabin by lower bearing; Single-point floating drum 1 is connected with seabed with anchor by mooring fast 8; Riser deck 3, receipts ball deck 4 and slip ring combination 5 are located on the main deck of this FPSO body cabin, and owing to keeping in repair and operating all outdoor, operational space is open, safe.
In inner cupola single point mooring unit of the present invention, the rotating part of slip ring combination 5 is connected with the cabin of FPSO body, with the 360 degree motions of FPSO body, the stationary part of described slip ring combination is connected with the single-point floating drum with riser deck, receipts ball deck, turret structure, to keep relatively static; Turret structure is transmitted the load of mooring fast, standpipe and cable by head bearing, single-point floating drum by lower bearing, the FPSO body is rotated around metal (upper, thereby assurance turret structure and floating drum are static.
The yardstick of the single point mooring unit of inner cupola shown in Fig. 1 is as follows:
FPSO tonnage: 15 tons;
Design conditions: 500 years one chances;
Single-point spar diameter: 10.5 meters;
Single-point cabin moon pool diameter: 9 meters;
Single-point floating drum deadweight: 402 tons;
Turret structure diameter: 7 meters;
Ball bearing of main shaft diameter: 7.8 meters;
Free program: manual operation;
Mooring fast is arranged: 3 groups * 4 (between group and group, angle is 120 degree, and the angle between root and root is 4 degree)
Mooring fast length: 1200 meters; Standpipe, cable form: with the steep wave form (steep wave) of float;
Anchor: piled anchor;
The liquid slip ring: 1 use 2 is standby;
The high-tension current slip ring: 1 use 1 is standby;
Communication slip ring: 1 use.
Claims (6)
1. an inner cupola single point mooring unit is characterized in that: it comprises single-point floating drum, turret structure, riser deck, receipts ball deck and slip ring combination and mooring fast;
Described single-point floating drum is connected with described turret structure; Described mooring fast is located at the bottom of described single-point floating drum;
Described riser deck and described receipts ball deck are located on the top of described turret structure successively;
Described slip ring combination is located on described receipts ball deck, and described slip ring combination comprises several liquid slip rings, electric slip ring or optical fiber slip ring.
2. single point mooring unit according to claim 1, it is characterized in that: described single buoy mooring system also comprises gantry structure, described gantry structure is set on the top of described inner cupola single point mooring unit, and described gantry structure is connected with described slip ring combination.
3. single point mooring unit according to claim 1 and 2, it is characterized in that: described single-point floating drum is provided with several ballast tanks.
4. according to the described single buoy mooring system of any one in claim 1-3, it is characterized in that: the bottom of described single-point floating drum is provided with some mooring fasts; Described mooring fast is that packet type is arranged or is evenly arranged.
5. a FPSO who is provided with the inner cupola single point mooring unit, it is characterized in that: it comprises FPSO body and described inner cupola single point mooring unit;
Described single-point floating drum and described turret structure are located in the cabin of described FPSO body, and the bottom of described single-point floating drum is connected with the bottom of described cabin, and the top of described turret structure is connected with the main deck of described cabin;
Described riser deck, described receipts ball deck and the combination of described slip ring all are located on described main deck.
6. FPSO according to claim 5, it is characterized in that: the rotating part of described slip ring combination is connected with the hull of described FPSO body, and the stationary part of described slip ring combination is connected with described single-point floating drum with described riser deck, described receipts ball deck, described turret structure.
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| CN201310412386.2A CN103482025B (en) | 2013-09-11 | 2013-09-11 | Novel inner cupola single point mooring unit |
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| CN201310412386.2A CN103482025B (en) | 2013-09-11 | 2013-09-11 | Novel inner cupola single point mooring unit |
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| CN103482025A true CN103482025A (en) | 2014-01-01 |
| CN103482025B CN103482025B (en) | 2016-08-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004562A1 (en) * | 2014-07-05 | 2016-01-14 | 中国石油大学(华东) | Buoy for single point mooring system |
| CN105539750A (en) * | 2015-12-23 | 2016-05-04 | 中国海洋石油总公司 | Single-point production platform for floating production storage and offloading system |
| CN109305295A (en) * | 2017-07-27 | 2019-02-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of shifting fork mechanism driving fluid slip ring |
| CN110104120A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of method of construction of mono-point mooring buoy cylinder |
| CN112722199A (en) * | 2020-12-09 | 2021-04-30 | 中国海洋石油集团有限公司 | Method for positioning bent stand pipe in single-point mooring structure |
| CN116803837A (en) * | 2023-07-31 | 2023-09-26 | 招商局重工（江苏）有限公司 | Single-point mooring system and installation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5823837A (en) * | 1997-11-20 | 1998-10-20 | Fmc Corporation | Turret mooring system with product swivel stack |
| US5893334A (en) * | 1993-12-03 | 1999-04-13 | Fmc Corporation | Method and apparatus for mooring floating storage vessels |
| CN1226863A (en) * | 1996-08-02 | 1999-08-25 | Fmc有限公司 | Disconnectable turret mooring system utilizing spider buoy |
| CN101287645A (en) * | 2005-10-17 | 2008-10-15 | 单点系泊公司 | Disconnectable buoyant turret mooring system |
| CN101336190A (en) * | 2006-01-03 | 2008-12-31 | 蓝水能源服务有限公司 | Disconnectable mooring system for a vessel |
| CN102356019A (en) * | 2009-03-18 | 2012-02-15 | 瑞士单浮筒系泊公司 | Mooring system with decoupled mooring lines and/or riser system |
| WO2012032163A1 (en) * | 2010-09-09 | 2012-03-15 | Single Buoy Moorings Inc. | Disconnectable mooring system with grouped connectors |
| CN203497133U (en) * | 2013-09-11 | 2014-03-26 | 中国海洋石油总公司 | Single-point mooring apparatus of novel inner turret |
-
2013
- 2013-09-11 CN CN201310412386.2A patent/CN103482025B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893334A (en) * | 1993-12-03 | 1999-04-13 | Fmc Corporation | Method and apparatus for mooring floating storage vessels |
| CN1226863A (en) * | 1996-08-02 | 1999-08-25 | Fmc有限公司 | Disconnectable turret mooring system utilizing spider buoy |
| US5823837A (en) * | 1997-11-20 | 1998-10-20 | Fmc Corporation | Turret mooring system with product swivel stack |
| CN101287645A (en) * | 2005-10-17 | 2008-10-15 | 单点系泊公司 | Disconnectable buoyant turret mooring system |
| CN101336190A (en) * | 2006-01-03 | 2008-12-31 | 蓝水能源服务有限公司 | Disconnectable mooring system for a vessel |
| CN102356019A (en) * | 2009-03-18 | 2012-02-15 | 瑞士单浮筒系泊公司 | Mooring system with decoupled mooring lines and/or riser system |
| WO2012032163A1 (en) * | 2010-09-09 | 2012-03-15 | Single Buoy Moorings Inc. | Disconnectable mooring system with grouped connectors |
| CN203497133U (en) * | 2013-09-11 | 2014-03-26 | 中国海洋石油总公司 | Single-point mooring apparatus of novel inner turret |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004562A1 (en) * | 2014-07-05 | 2016-01-14 | 中国石油大学(华东) | Buoy for single point mooring system |
| CN105452097A (en) * | 2014-07-05 | 2016-03-30 | 中国石油大学(华东) | Buoy for single point mooring system |
| CN105452097B (en) * | 2014-07-05 | 2018-08-21 | 中国石油大学(华东) | Single point mooring system floating drum |
| CN105539750A (en) * | 2015-12-23 | 2016-05-04 | 中国海洋石油总公司 | Single-point production platform for floating production storage and offloading system |
| CN109305295A (en) * | 2017-07-27 | 2019-02-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of shifting fork mechanism driving fluid slip ring |
| CN109305295B (en) * | 2017-07-27 | 2019-08-13 | 中国船舶重工集团公司第七一九研究所 | A kind of shifting fork mechanism driving fluid slip ring |
| CN110104120A (en) * | 2018-12-18 | 2019-08-09 | 南通振华重型装备制造有限公司 | A kind of method of construction of mono-point mooring buoy cylinder |
| CN112722199A (en) * | 2020-12-09 | 2021-04-30 | 中国海洋石油集团有限公司 | Method for positioning bent stand pipe in single-point mooring structure |
| CN116803837A (en) * | 2023-07-31 | 2023-09-26 | 招商局重工（江苏）有限公司 | Single-point mooring system and installation method thereof |
| CN116803837B (en) * | 2023-07-31 | 2024-07-09 | 招商局重工（江苏）有限公司 | Single-point mooring system and installation method thereof |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |