CN202935532U - Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship - Google Patents
Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship Download PDFInfo
- Publication number
- CN202935532U CN202935532U CN2012206183784U CN201220618378U CN202935532U CN 202935532 U CN202935532 U CN 202935532U CN 2012206183784 U CN2012206183784 U CN 2012206183784U CN 201220618378 U CN201220618378 U CN 201220618378U CN 202935532 U CN202935532 U CN 202935532U
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- China
- Prior art keywords
- moon pool
- drilling ship
- platform
- end wall
- drilling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
The utility model discloses a moon pool capable of reducing the sailing resistance of a drilling ship and shipping waves of a midship of the drilling ship. The moon pool comprises the drilling ship, wherein the moon pool for drilling is formed in the midship of the drilling ship; a protruded platform is arranged on one end wall of the moon pool, so that a stair is formed; an incision is formed in the bottom of the platform; a platform moon pool plate is arranged on the upper end face of the platform; and an end wall moon pool plate is arranged on the end wall surface of the platform close to the moon pool. By the moon pool capable of reducing the sailing resistance of the drilling ship and the shipping waves of the midship of the drilling ship, shaking of sea water in the moon pool can be effectively reduced, and the sailing resistance and the shipping waves can be reduced; and therefore, the quickness and the working safety of the drilling ship can be improved.
Description
Technical field
The utility model relates to a kind of drilling ship moon pool, relates in particular to a kind of moon pool that can reduce wave on drilling ship running resistance and midships section opening for the marine oil and gas exploratory development.
Background technology
Drilling ship is the drilling equipment with traditional ship shape, has the moon pool opening at the hull midships section and is used for drilling operation, and it has advantages of variable load greatly and maneuverability, is widely used in the oil-gas exploration and development in far-reaching sea.Due to the needs of drilling operation, the maritime moon pool opening that the midships section setting of drilling ship is larger.Drilling ship has usually from navigating function, and still due to the existence of moon pool opening, the relative motion between the inner seawater of moon pool and outside seawater causes rocks phenomenon, causes the running resistance of drilling ship to have larger increase, and then speed of a ship or plane reduction, and energy consumption increases.In addition, in navigation and drilling operation, because the violent motion of rocking can occur for the effect moon pool maritime interior waters of wave, overflow is to the deck possibly for seawater, and unrestrained phenomenon in appearance has a strong impact on safety and the operating efficiency of drilling ship.
The utility model content
The purpose of this utility model is to provide a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, the energy actv. reduces the motion of rocking of moon pool maritime interior waters, thereby reduce running resistance and upper unrestrained phenomenon, and then improve rapidity and the operational security of drilling ship.
To achieve these goals, the technical scheme taked of the utility model is:
A kind of moon pool that reduces wave on drilling ship running resistance and midships section opening comprises drilling ship, and described drilling ship hull midships section is offered a moon pool for drilling operation, and wherein, an end wall of described moon pool has an outstanding platform, forms a notch cuttype; A kerf is offered in the bottom of described platform; The upper surface of described platform arranges the platform moon pool plate, near on the described moon pool end wall surface of described platform, the end wall moon pool plate is set.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, described platform moon pool plate comprises some mutual horizontal moon pool plate arranged in a crossed manner and vertical moon pool plate.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, described horizontal moon pool plate tilts to the described moon pool end wall surface near described platform; Described vertical moon pool plate is vertically installed in the upper surface of described platform.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, described end wall moon pool plate comprises some mutual horizontal moon pool plate arranged in a crossed manner and vertical moon pool plate, and described vertical moon pool plate is vertically installed in the end wall surface of described moon pool.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, the width of described otch is identical with the width of described moon pool.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, the angle of described otch is between 20 ° to 30 °.
Above-mentioned a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening, wherein, described platform is positioned at below the floating line of described drilling ship.
The utility model is owing to having adopted above-mentioned technology, and the good effect that makes it compared with prior art to have is:
Can change the form of moon pool flow field by the notch cuttype moon pool, change the natural period that moon pool rocks, prevent from producing resonance with wave; The platform of moon pool can provide the larger damping of rocking, and actv. stops rocking of moon pool maritime interior waters; The transitional region that the moon pool platform can also be transferred as drill outfit; The moon pool otch can reduce the vortex of moon pool front bulkhead place's formation and the collision of platform aft bulkhead, and vortex is introduced wake flow, reduces and rocks the energy source of generation; The moon pool plate that the moon pool platform tilts can further stop rocking of seawater, consumes the energy that rocks; Moon pool plate on the moon pool end wall can reduce the upper unrestrained phenomenon of rocking motion shock end wall and producing.
Description of drawings
Fig. 1 is a kind of section-drawing that reduces the moon pool of wave on drilling ship running resistance and midships section opening of the utility model;
Fig. 2 is the section-drawing at A-A place in Fig. 1;
Fig. 3 is the section-drawing at B-B place in Fig. 1;
Fig. 4 is the section-drawing at C-C place in Fig. 2.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
Fig. 1 is a kind of section-drawing that reduces the moon pool of wave on drilling ship running resistance and midships section opening of the utility model, and is shown in Figure 1.A kind of moon pool that reduces wave on drilling ship running resistance and midships section opening of the present utility model, include a drilling ship 1, offer a moon pool 2 for drilling operation at this drilling ship hull midships section, one end wall of this moon pool 2 is provided with an outstanding platform 21, makes moon pool 2 form a notch cuttype moon pool.The size of the maritime part of moon pool 2 need satisfy the basic demand of drilling ship 1 drilling operation.A kerf 22 is offered in bottom at moon pool 2 platforms 21, and replacing the right angle, the height of otch 22 can arrive drilling ship 1 double bottom of ship hull place.The upper surface of platform 21 is provided with platform moon pool plate 3, is provided with end wall moon pool plate 4 near on moon pool 2 end wall surface of platform 21.
The utility model also has following embodiment on the basis of the above:
In further embodiment of the present utility model, Fig. 3 is the section-drawing at B-B place in Fig. 1, sees also Fig. 1 and shown in Figure 3.Above-mentioned platform moon pool plate 3 includes some mutual horizontal moon pool plate arranged in a crossed manner 31 and vertical moon pool plate 32.
In further embodiment of the present utility model, laterally moon pool plate 31 tilts to the end wall surface of the moon pool 2 of close platform 21.Vertically moon pool plate 32 is vertically set on the upper surface of platform 21.
In further embodiment of the present utility model, Fig. 2 is the section-drawing at A-A place in Fig. 1, and Fig. 4 is the section-drawing at C-C place in Fig. 2, sees also Fig. 1 to shown in Figure 4.Above-mentioned end wall moon pool plate 4 includes some mutually horizontal moon pool plate 41 arranged in a crossed manner and vertical moon pool plate 42, and the end wall surface that is vertically set on moon pool 2 by vertical moon pool plate 42 is to play the fixing effect of strengthening.
In further embodiment of the present utility model, laterally the height of moon pool plate 41 is higher than platform moon pool plate 3.And the area of horizontal moon pool plate 41 is larger, is used for stopping the upper wave of moon pool 2 maritime interior waters.
In further embodiment of the present utility model, the width of otch 22 is identical with the width of moon pool 2.
In further embodiment of the present utility model, the angle of otch 22 is between 20 ° to 30 °, and the shape of otch 22 is not limited to wedge shape.
In further embodiment of the present utility model, platform 21 is positioned at below drilling ship 1 floating line all the time.
In further embodiment of the present utility model, the end wall that is provided with the moon pool 2 of platform 21 is positioned at the stern 11 of drilling ship 1.
In sum, use a kind of moon pool that reduces wave on drilling ship running resistance and midships section opening of the utility model, actv. reduces the motion of rocking of moon pool maritime interior waters, reduces running resistance and upper unrestrained phenomenon, thereby improves rapidity and the operational security of drilling ship.
The above is only the utility model preferred embodiment; not thereby limit embodiment of the present utility model and protection domain; to those skilled in the art; should recognize that being equal to that all utilization the utility model specification sheetss and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection domain of the present utility model.
Claims (7)
1. a moon pool that reduces wave on drilling ship running resistance and midships section opening, comprise drilling ship, and described drilling ship hull midships section is offered a moon pool for drilling operation, it is characterized in that, an end wall of described moon pool has an outstanding platform, forms a notch cuttype; A kerf is offered in the bottom of described platform; The upper surface of described platform arranges the platform moon pool plate, near on the described moon pool end wall surface of described platform, the end wall moon pool plate is set.
2. reduce according to claim 1 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, described platform moon pool plate comprises some mutual horizontal moon pool plate arranged in a crossed manner and vertical moon pool plate.
3. reduce according to claim 2 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, described horizontal moon pool plate tilts to the described moon pool end wall surface near described platform; Described vertical moon pool plate is vertically installed in the upper surface of described platform.
4. reduce according to claim 1 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, described end wall moon pool plate comprises some mutual horizontal moon pool plate arranged in a crossed manner and vertical moon pool plate, and described vertical moon pool plate is vertically installed in the end wall surface of described moon pool.
5. reduce according to claim 1 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, the width of described otch is identical with the width of described moon pool.
6. reduce according to claim 5 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, the angle of described otch is between 20 ° to 30 °.
7. reduce according to claim 1 the moon pool of wave on drilling ship running resistance and midships section opening, it is characterized in that, described platform is positioned at below the floating line of described drilling ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206183784U CN202935532U (en) | 2012-11-21 | 2012-11-21 | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206183784U CN202935532U (en) | 2012-11-21 | 2012-11-21 | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935532U true CN202935532U (en) | 2013-05-15 |
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ID=48319786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206183784U Expired - Lifetime CN202935532U (en) | 2012-11-21 | 2012-11-21 | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935532U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015698A (en) * | 2015-08-06 | 2015-11-04 | 哈尔滨工程大学 | Damping device for interior of moon pool of drilling ship |
| CN106741691A (en) * | 2016-12-15 | 2017-05-31 | 大连船舶重工集团有限公司 | A kind of moon pool area segmentation formula inclines the empty cabin structure of isolation |
| CN107640278A (en) * | 2017-09-06 | 2018-01-30 | 中远海运重工有限公司 | Novel high-performance moon pool |
| CN107787287A (en) * | 2015-05-04 | 2018-03-09 | 格斯特Msc资源公司 | It is provided with the ship of moon pool |
| CN110949633A (en) * | 2019-11-15 | 2020-04-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Barge type floating fan system and floating fan platform |
| CN110985308A (en) * | 2019-11-12 | 2020-04-10 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore foundation structure and offshore wind turbine system |
-
2012
- 2012-11-21 CN CN2012206183784U patent/CN202935532U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107787287A (en) * | 2015-05-04 | 2018-03-09 | 格斯特Msc资源公司 | It is provided with the ship of moon pool |
| US10730589B2 (en) | 2015-05-04 | 2020-08-04 | Gustomsc B.V. | Vessel provided with a moon pool |
| CN105015698A (en) * | 2015-08-06 | 2015-11-04 | 哈尔滨工程大学 | Damping device for interior of moon pool of drilling ship |
| CN105015698B (en) * | 2015-08-06 | 2018-02-09 | 哈尔滨工程大学 | A kind of damping device for inside drill ship moon pool |
| CN106741691A (en) * | 2016-12-15 | 2017-05-31 | 大连船舶重工集团有限公司 | A kind of moon pool area segmentation formula inclines the empty cabin structure of isolation |
| CN106741691B (en) * | 2016-12-15 | 2018-11-27 | 大连船舶重工集团有限公司 | A kind of empty cabin structure of moon pool area segmentation formula inclination isolation |
| CN107640278A (en) * | 2017-09-06 | 2018-01-30 | 中远海运重工有限公司 | Novel high-performance moon pool |
| CN110985308A (en) * | 2019-11-12 | 2020-04-10 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore foundation structure and offshore wind turbine system |
| CN110949633A (en) * | 2019-11-15 | 2020-04-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Barge type floating fan system and floating fan platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |