CN202743444U - Semisubmersible production platform for storing oil under water surface - Google Patents
Semisubmersible production platform for storing oil under water surface Download PDFInfo
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- CN202743444U CN202743444U CN 201220267980 CN201220267980U CN202743444U CN 202743444 U CN202743444 U CN 202743444U CN 201220267980 CN201220267980 CN 201220267980 CN 201220267980 U CN201220267980 U CN 201220267980U CN 202743444 U CN202743444 U CN 202743444U
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Abstract
The utility model discloses a semisubmersible production platform for storing oil under the water surface. The semisubmersible production platform comprises an annular buoyancy tank, a box-shaped deck and at least three upright posts, wherein a water ballast space, an oil storage tank and a pump room are arranged inside the annular buoyancy tank; an oil-gas treatment system, drilling equipment, a positioning and mooring system and a moon pool are arranged on the box-shaped deck; a production function compartment and a drilling equipment compartment are arranged inside the box-shaped deck; and the annular buoyancy tank is connected with the box-shaped deck through the upright posts. The semisubmersible production platform disclosed by the utility model has functions of producing, storing and transporting oil and gas and drilling, can be moved for recycling and is flexible and is suitable for trail production at early stage and drilling development in deepwater oilfields; and the economic risk of the development of deepwater oil and gas fields can be effectively reduced. The semisubmersible production platform disclosed by the utility model adopts a semisubmersible platform structural form; and compared with ship-shaped and circular platforms, the semisubmersible production platform has the advantages that motion performances are more excellent and the drilling and the production operation of the platform under severe marine environments such as South China Sea can be simultaneously operated.
Description
Technical field
The utility model relates to the semisubmersible production platform of the following oil storage of a kind of water surface, particularly a kind of semisubmersible platform that can possess simultaneously drilling well, production and oil storage function.
Background technology
Along with the continuous expansion of human development marine oil and gas scale, the main battle ground of the exploratory development of marine oil and gas has turned to the deep-sea, because the high cost of the uncertainty of geological reservoir and traditional deepwater oil-gas development facility has determined the high risk of deep water hydrocarbon field exploitation.For reducing the economic risk of deep water hydrocarbon field Development Engineering, novel deep sea has gas field development engineering facility floating type well drilling, production storage Unloading Device (FDPSO) to become present study hotspot, FDPSO is the floating production system that integrates marine drilling, oil gas processing, oil storage and emptying, generating, heat supply, control, vital function, and it is applicable to early stage trial production and the drilling well exploitation of deepwater oilfield.
At present, the FDPSO that two kinds of forms are arranged is place in operation, is ship type FDPSO and cylindrical shape FDPSO.Ship type FDPSO is owing to will satisfy the needs of oil producing operation and drilling operation, and it must adopt spread mooring position fixing system or dynamic positioning system (DPS) to keep the FDPSO constant bearing just can carry out normal operation between operational period; Ship type FDPSO longitudinal length is large, when suffering horizontal environmental conditions, will bear than vertical much bigger environmental forces, this feature limits ship type FDPSO only can be applied to the good marine sites of minority marine environment condition such as West Africa and carry out operation, the development of the field operation is carried out in the marine site that can not be applied to the marine environment inclement conditions such as South China Sea.Cylindrical shape FDPSO has the very strong ability of resisting environmental load, can satisfy the needs of the equally comparatively abominable South Sea operation of environmental conditions.
Semisubmersible platform has the more abominable marine environment condition of adaptation with respect to ship type and cylindrical shape production facility, exercise performance is good, the advantage that operation weather window is large, but traditional semisubmersible platform generally only has drilling well and production of hydrocarbons function, do not have oil storage and unload functional oil, the semisubmersible FDPSO with oil storage, drilling well, production function integration will provide a kind of new selection for the exploitation of following marine oil gas field.
The utility model content
The purpose of this utility model provides the semisubmersible production platform of the following oil storage of a kind of water surface, and its economic risk is little, can adapt to severe environmental conditions, have simultaneously drilling well and oil storage function.
The semisubmersible production platform of the following oil storage of a kind of water surface provided by the utility model comprises:
One annular buoyancy tank; The inside of described annular buoyancy tank is provided with ballast chamber, oil storage chamber and pump room;
One box deck; Described box deck is provided with oil gas disposal system, drill outfit, positioning moored system and moon pool; The inside on described box deck is provided with production functional cabin and drill outfit cabin; With
At least 3 columns; Described annular buoyancy tank is connected by described column with the box deck.
Above-mentioned semisubmersible production platform, the cross-sectional plane of described annular buoyancy tank can be square or square rounding, to reduce the gradeability of wave current; Described column can be 4, and is located at respectively the knuckle place of described annular buoyancy tank.
Above-mentioned semisubmersible production platform, the cross-sectional plane of described column can be square rounding or circle, can effectively reduce the gradeability of wave.
Above-mentioned semisubmersible production platform, described oil storage chamber is located in the annular buoyancy tank between described column, and described oil storage chamber is positioned at the following certain depth of the water surface, can prevent the collision of boats and ships, and described oil storage chamber can not carry out inerting disposal, saves cost when guaranteeing platform safety; Described ballast chamber and pump room all are located at the described annular buoyancy tank that is positioned at described column bottom; Be provided with the empty cabin of isolation between described oil storage chamber and the described pump room, to improve the safety of described oil storage chamber.
Above-mentioned semisubmersible production platform is provided with ballast chamber, fuel oil tank, fresh water tank and access passage in the described column; Described ballast chamber is located at the bottom of described column, and when described oil storage chamber crude oil unloading, described ballast chamber injects ballast water simultaneously, guarantees that the drinking water of this production platform and stability meet the demands; Described fuel oil tank and fresh water tank all are located at the top of described column, and be easy to use; Described access passage is convenient between people's each platform in described column current.
Above-mentioned semisubmersible production platform, described moon pool is located at the middle part on described box deck, to satisfy the drilling operation needs; Described oil gas disposal system comprises crude oil electrical generator, oil gas separation equipment and flare stack.
Above-mentioned semisubmersible production platform, described drill outfit are located at both sides and the front portion of described moon pool; Described mooring and positioning system can be the spread mooring position fixing system, and it comprises 4 groups of windlass, and every group of described windlass can comprise 4 windlass, and every group of described windlass all is connected with one group of mooring fast, and every group of described mooring fast all can be comprised of 2 to 5 mooring fasts; Described mooring fast is specifically as follows anchor chain, wirerope, nylon cable or their combine rope.
Described windlass is located at the connecting portion of described box deck and described column; Be provided with chain locker with the corresponding position, position that described windlass is set on the described box deck, be convenient to deposit described mooring fast.
Above-mentioned semisubmersible production platform, described drill outfit cabin comprises drilling well water tank, Crude Oil Used as fuel in Pipeline cabin, crude Treatment cabin and dirty oil tank; Described production functional cabin comprises that producing depositing in water falls the cabin; Also be provided with crane and life building on the described box deck.
Above-mentioned semisubmersible production platform, described oil storage chamber can be connected with compliant riser or the vertical standpipe of Free Station, thereby with the Crude Oil Transportation of subsea production system output to described oil storage chamber.
Above-mentioned semisubmersible production platform, described box deck are provided with crude oil exporting metering sled and loading depot; By described crude oil exporting metering sled, can with the crude oil exporting on this production platform, by described loading depot, the drilling well materials such as the diesel oil in this production platform, cement can be delivered on the described production platform.
The utility model is owing to taked above technical scheme, and it has the following advantages:
1, the utility model platform has production of hydrocarbons, accumulating and drilling well function, the transportable recycling that repeats, and maneuverability is applicable to early stage trial production and the drilling well exploitation in deep water oil field, can effectively reduce the economic risk of deep water hydrocarbon field exploitation.
2, the utility model adopts the semi-submersible type platform structure form, compares with circular platform with the ship type, and its exercise performance is better, can satisfy the abominable marine environment condition lower platform drilling well such as South China Sea and production operation and carry out simultaneously.
3, the oil storage chamber in the platform that provides of the utility model is positioned at that the water surface is following to be put than deep-seated, can avoid collision to occur, and is safe; Simultaneously, oil storage chamber must inerting disposal, can not establish the noble gas protection system;
4, the ballast chamber in the platform that provides of the utility model is positioned at the column bottom, carries out simultaneously ballast operation when unloading operation, can guarantee that platform has certain drinking water and stability;
Description of drawings
The front view of the production platform that Fig. 1 provides for the utility model.
The birds-eye view of the production platform that Fig. 2 provides for the utility model.
The internal placement scheme drawing of the annular buoyancy tank of the production platform that Fig. 3 provides for the utility model.
The layout scheme drawing of the ballast chamber in the column of the production platform that Fig. 4 provides for the utility model.
Fuel oil tank in the column of the production platform that Fig. 5 provides for the utility model and the layout scheme drawing of fresh water tank.
The internal placement scheme drawing on the box deck of the production platform that Fig. 6 provides for the utility model.
Structural representation when the production platform that Fig. 7 provides for the utility model matches with shuttle tanker and carries out emptying.
The production platform that Fig. 8 provides for the utility model carries out the structural representation of conveying crude oil by compliant riser.
Each mark is as follows among the figure: 1 annular buoyancy tank, 11 oil storage chambers, 12 ballast chambers, 13 pump rooms, the empty cabin of 14 isolation, 2 columns, 21 ballast chambers, 22 fuel oil tanks, 23 access passages, 24 fresh water tank, 3 box decks, 31 cranes, the 32nd life buildings, 33 moon pools, 34 drilling well water tanks, 35 Crude Oil Used as fuel in Pipeline cabins, 36 produce depositing in water falls the cabin, 37 crude Treatment cabins, 38 dirty oil tanks, 39 chain lockers, 4 oil gas disposal systems, 41 crude oil electrical generators, 42 oil gas separation equipments, 43 flare stacks, 5 drill outfits, 61 mooring fasts, 62 windlass, 7 compliant risers, 81 crude oil exportings metering sled, 82 loading depots, 83 side by side mooring systems, 84 shuttle tankers.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, the semisubmersible production platform of the following oil storage of the water surface provided by the utility model comprises: annular buoyancy tank 1, box deck 3 and 4 root posts 2; Annular buoyancy tank 1 is connected by column 2 with box deck 3; The cross-sectional plane of this annular buoyancy tank 1 is square rounding, can reduce the wave gradeability, and column 2 and the junction of annular buoyancy tank 1 be located at the knuckle place of annular buoyancy tank 1, as shown in Figure 3; The inside of annular buoyancy tank 1 is provided with ballast chamber 12, oil storage chamber 11 and pump room 13, and pump room 13 is mechanical cabin, and ballast pump, Crude Oil Transportation pump and piping are installed in it, and ballast pump carries usefulness for transferring between each ballast tank, floats and certain drinking water so that the control platform is flat; The Crude Oil Transportation pump is used for the crude oil of each crude oil tank to be alloted, and pumps when reaching outer transporting operation, and in the annular buoyancy tank 1 of oil storage chamber 11 between column 2, stores crude oil, and it is positioned at below the water surface, and safety is good; Ballast chamber 12 and pump room 13 all are located at the annular buoyancy tank 1 that is positioned at column 2 bottoms, and are provided with the empty cabin 14 of isolation between oil storage chamber 11 and the pump room 13, guarantee production safety; As shown in Figure 4, the cross-sectional plane of column 2 is square rounding, can reduce the wave gradeability; Such as Fig. 1, Fig. 4 and shown in Figure 5, be provided with ballast chamber 21, fuel oil tank 22, fresh water tank 24 and access passage 23 in the column 2, ballast chamber 21 is located at the bottom of column 2, when oil storage chamber 11 crude oil unload, ballast chamber 21 injects ballast water simultaneously, guarantees that the drinking water of this production platform and stability meet the demands; Fuel oil tank 22 and fresh water tank 24 all are located at the top of column 2, and be easy to use;
Such as Fig. 1, Fig. 2 and shown in Figure 7, box deck 3 is provided with oil gas disposal system 4, drill outfit 5, multipoint positioning mooring system, moon pool 33, crane 31 and life building 32, and moon pool 33 is located at the middle part on box deck 3, to satisfy the drilling operation needs; This oil gas disposal system 4 comprises crude oil electrical generator 41, oil gas separation equipment 42 and flare stack 43, and places the rear portion on box-shaped deck 3, away from life building 32, guarantees safety; Drill outfit 5 is located at both sides and the front portion of moon pool 33; Such as Fig. 2 and shown in Figure 7, this spread mooring position fixing system comprises 4 groups of windlass 62, and each windlass 62 all is connected with one group of mooring fast 61, and every group of mooring fast 61 forms by 5 mooring fasts; Every group of windlass 62 is located at the connecting portion of box deck 3 and column 2, as shown in Figure 6, is provided with chain locker 39 with the corresponding position, position that windlass 62 is set on the box deck 3; As shown in Figure 6, the inside on box deck 3 is provided with production functional cabin and drill outfit cabin, and wherein, the drill outfit cabin comprises drilling well water tank 34, Crude Oil Used as fuel in Pipeline cabin 35, crude Treatment cabin 37 and dirty oil tank 38, and the production functional cabin comprises that producing depositing in water falls cabin 36;
As shown in Figure 8, oil storage chamber 11 is connected with compliant riser 7, thus with the Crude Oil Transportation of subsea production system output to annular buoyancy tank 1;
As shown in Figure 7, the box deck 3 of this production platform is provided with crude oil exporting metering sled 81 and loading depot 82, by this crude oil exporting metering sled 81, and can be with the crude oil exporting on the platform to shuttle tanker 84, and by loading depot 82, the drilling well materials such as diesel oil, cement can be delivered on this production platform.
The semisubmersible production platform of the following oil storage of a kind of water surface that the utility model provides, also need be combined with underwater production facility in actual applications and carry out oil extraction, and can carry out simultaneously drilling operation: be about to that this constructed platform is wet to be dragged or the dried predetermined operation marine site that is dragged to, mooring fast is installed, is finished the positioning moored work of buoyancy aid; Then connect buoyancy aid and well head production riser and umbilical cables, carry out production operation, meanwhile can carry out drilling operation as required; According to the needs of production and drilling operation, can move platform to other new operating area.
The utility model only describes with above-described embodiment; the platform each several part can change to some extent; on the basis of technical solutions of the utility model, all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (10)
1. the semisubmersible production platform of the following oil storage of the water surface, it is characterized in that: it comprises:
One annular buoyancy tank; The inside of described annular buoyancy tank is provided with ballast chamber, oil storage chamber and pump room;
One box deck; Described box deck is provided with oil gas disposal system, drill outfit, positioning moored system and moon pool; The inside on described box deck is provided with production functional cabin and drill outfit cabin; With
At least 3 columns; Described annular buoyancy tank is connected by described column with the box deck.
2. semisubmersible production platform according to claim 1, it is characterized in that: the cross-sectional plane of described annular buoyancy tank is square or square rounding; Described column is 4, and is located at respectively the knuckle place of described annular buoyancy tank.
3. semisubmersible production platform according to claim 1 and 2, it is characterized in that: the cross-sectional plane of described column is square rounding or circle.
4. semisubmersible production platform according to claim 1 and 2 is characterized in that: described oil storage chamber is located in the annular buoyancy tank between described column; Described ballast chamber and pump room all are located at the described annular buoyancy tank that is positioned at described column bottom; Be provided with the empty cabin of isolation between described oil storage chamber and the described pump room.
5. semisubmersible production platform according to claim 1 and 2 is characterized in that: be provided with ballast chamber, fuel oil tank, fresh water tank and access passage in the described column; Described ballast chamber is located at the bottom of described column, and described fuel oil tank and fresh water tank all are located at the top of described column.
6. semisubmersible production platform according to claim 1 and 2, it is characterized in that: described moon pool is located at the middle part on described box deck; Described oil gas disposal system comprises crude oil electrical generator, oil gas separation equipment and flare stack.
7. semisubmersible production platform according to claim 1 and 2, it is characterized in that: described drill outfit is located at both sides and the front portion of described moon pool; Described mooring and positioning system is the spread mooring position fixing system, and it comprises 4 groups of windlass, and every group of described windlass all is connected with one group of mooring fast, and every group of described mooring fast forms by 2 to 5 mooring fasts; Described windlass is located at the connecting portion of described box deck and described column; Be provided with chain locker with the corresponding position, position that described windlass is set on the described box deck.
8. semisubmersible production platform according to claim 1 and 2, it is characterized in that: described drill outfit cabin comprises drilling well water tank, Crude Oil Used as fuel in Pipeline cabin, crude Treatment cabin and dirty oil tank; Described production functional cabin comprises that producing depositing in water falls the cabin; Also be provided with crane and life building on the described box deck.
9. semisubmersible production platform according to claim 1 and 2, it is characterized in that: described oil storage chamber is connected with compliant riser or the vertical standpipe of Free Station.
10. semisubmersible production platform according to claim 1 and 2 is characterized in that: described box deck is provided with crude oil exporting metering sled and loading depot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267980 CN202743444U (en) | 2012-06-07 | 2012-06-07 | Semisubmersible production platform for storing oil under water surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267980 CN202743444U (en) | 2012-06-07 | 2012-06-07 | Semisubmersible production platform for storing oil under water surface |
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| CN202743444U true CN202743444U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220267980 Expired - Lifetime CN202743444U (en) | 2012-06-07 | 2012-06-07 | Semisubmersible production platform for storing oil under water surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756794A (en) * | 2012-06-07 | 2012-10-31 | 中国海洋石油总公司 | Semi-submersible type production platform of reservoir oil positioned below water surface |
| CN103738481A (en) * | 2014-01-08 | 2014-04-23 | 中国海洋石油总公司 | Removable self-installing type drilling and production processing oil storage platform |
| CN103738480A (en) * | 2013-12-31 | 2014-04-23 | 惠生（南通）重工有限公司 | Skid-mounted offshore platform module |
| CN105644724A (en) * | 2015-12-26 | 2016-06-08 | 武汉船用机械有限责任公司 | Control method and system for loading and unloading of cargo oil |
| CN105667725A (en) * | 2016-02-26 | 2016-06-15 | 中交第二航务工程局有限公司 | Semi-submersible type construction platform |
| CN106347595A (en) * | 2016-09-30 | 2017-01-25 | 南通中远船务工程有限公司 | Cylinder type maritime work platform |
-
2012
- 2012-06-07 CN CN 201220267980 patent/CN202743444U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756794A (en) * | 2012-06-07 | 2012-10-31 | 中国海洋石油总公司 | Semi-submersible type production platform of reservoir oil positioned below water surface |
| CN102756794B (en) * | 2012-06-07 | 2015-01-07 | 中国海洋石油总公司 | Semi-submersible type production platform of reservoir oil positioned below water surface |
| CN103738480A (en) * | 2013-12-31 | 2014-04-23 | 惠生（南通）重工有限公司 | Skid-mounted offshore platform module |
| CN103738481A (en) * | 2014-01-08 | 2014-04-23 | 中国海洋石油总公司 | Removable self-installing type drilling and production processing oil storage platform |
| CN103738481B (en) * | 2014-01-08 | 2016-08-24 | 中国海洋石油总公司 | Removable self-mounting type drilling processes oil storage platform |
| CN105644724A (en) * | 2015-12-26 | 2016-06-08 | 武汉船用机械有限责任公司 | Control method and system for loading and unloading of cargo oil |
| CN105667725A (en) * | 2016-02-26 | 2016-06-15 | 中交第二航务工程局有限公司 | Semi-submersible type construction platform |
| CN105667725B (en) * | 2016-02-26 | 2018-03-16 | 中交第二航务工程局有限公司 | Semi-submersible type construction platform |
| CN106347595A (en) * | 2016-09-30 | 2017-01-25 | 南通中远船务工程有限公司 | Cylinder type maritime work platform |
| CN106347595B (en) * | 2016-09-30 | 2019-03-15 | 南通中远船务工程有限公司 | Cylindrical marine work platform |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |