CN104018481A - Cylinder-type base single-leg-column oil production platform - Google Patents
Cylinder-type base single-leg-column oil production platform Download PDFInfo
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- CN104018481A CN104018481A CN201410215018.3A CN201410215018A CN104018481A CN 104018481 A CN104018481 A CN 104018481A CN 201410215018 A CN201410215018 A CN 201410215018A CN 104018481 A CN104018481 A CN 104018481A
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Abstract
The invention relates to a cylinder-type base single-leg-column oil production platform which comprises a cylinder-type base. The cylinder-type base is located below a mud surface, and horizontal trusses are located at the position of the mud surface and are connected end to end to form a triangular horizontal plane. End faces of the connecting points are welded on the cylinder-type base respectively, and the other end faces are welded to supporting trusses and a central stand column. The central stand column is welded to a connecting point formed by connecting the horizontal trusses, and the utter bottom of the central stand column is welded to the cylinder-type base. One ends of the two supporting trusses are welded to the other two connecting points respectively, the other ends are both welded to the central stand column, and the welding points of the supporting trusses and the central stand column are located below the horizontal plane and above the mud surface. The horizontal trusses, the supporting trusses and the central stand column form a space tetrahedron structure. A ship boarding platform is located above the water surface and is arranged on the upper portion of the central stand column. A work platform is located above the ship boarding platform and is arranged on the top of the central stand column. Ladder stands are further arranged between the ship boarding platform and the work platform. The cylinder-type base single-leg-column oil production platform can be widely applied to the field of offshore oil and gas fields.
Description
Technical field
The present invention relates to the production platform in a kind of offshore oil and gas field field, particularly about a kind of bucket foundation list leg post production platform.
Background technology
China offshore oil and gas Tanaka has quite a few to belong to marginal field, and how cost-effectively marginal field development is the problem that domestic Offshore Engineering circle is concerned about always.Facts have proved, simple platform has simple in structure, and the feature that steel using amount is few can greatly reduce the development cost of offshore oil and gas field.Through years of researches, multiple simple platform scheme has been born.But these simple platform schemes or platform weight are still bigger than normal, or manufacture, installation process are still more loaded down with trivial details, and can not reuse or moving process complicated, the expense of recycling is too high.The external platform structure that causes of simple platform waterproof casing of especially many Bohai Sea Area bears larger sea ice load.Therefore, continue simple platform system to do deep research, the simple platform scheme of development of new is very necessary.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of bucket foundation list leg post production platform, its structure is simpler, and steel using amount still less, can reuse, and adapts to ice formation, the Bohai Sea, can reduce the sea ice load that waterproof casing brings to platform.
For achieving the above object, the present invention takes following technical scheme: a kind of bucket foundation list leg post production platform, is characterized in that: it comprises three bucket foundations, three horizontal truss, two sub-trusses, a gin pole, a cat ladder, a boarding platform and a job platform; Described in each, bucket foundation is positioned under mud face, for the required bearing capacity of platform being provided and being convenient to movement and the resettlement of platform; Three described horizontal truss are positioned at Ni Mianchu and join end to end and form triangle horizontal plane, and each tie point one end face is welded on respectively on described bucket foundation, each tie point other end respectively with described two sub-trusses and gin pole welding; Described gin pole is used for supporting described boarding platform and job platform, and described gin pole is welded on the tie point being connected and composed by described horizontal truss, and described gin pole bottommost also welds through this tie point and described bucket foundation; Two described sub-truss one end are welded on respectively on all the other two tie points that consist of described horizontal truss, and the other end is all welded on described gin pole, and are positioned at below horizontal plane, more than mud face with the pad of described gin pole; Three described horizontal truss, two described sub-trusses and described gin pole form space tetrahedral structure; More than described boarding platform is positioned at the water surface, be arranged on described gin pole top; Described job platform is positioned at described boarding platform top, is arranged on the top of described gin pole; On described gin pole, between described boarding platform and described job platform, be also provided with described cat ladder.
Be positioned at three described horizontal truss and form triangle horizontal plane, be also provided with a plurality of triatic stays.
Be positioned at described space tetrahedral structure, between the described sub-truss of the junction to two of described gin pole and described horizontal truss, be all welded with a Space Oblique between two described sub-trusses to strut.
Simple and easy electric hoist type loop wheel machine is set on described job platform; On described job platform, be also provided with one deck deck structure, described deck structure adopts beam column panel space frame, and node is for being rigidly connected; Between described gin pole and described job platform, be also provided with oblique strut.
In described gin pole, be provided with waterproof casing, cable protecting tube.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to adopting bucket foundation, thereby in the situation that having guaranteed that platform bearer power is met, can be easy to movement and the resettlement of implementation platform, with the recycling of implementation platform.2, the present invention forms only leg open side type structure owing to adopting by gin pole, on gin pole top, boarding platform and job platform are set, have greatly simplified platform structure, reduced the environmental loads such as sea ice and wave, reduce the steel using amount of platform, thereby saved greatly platform construction cost.3, the present invention can and utilize bucket foundation (suction pile) to realize from installing at manufacturing field integral constructing, thereby has greatly saved offshore installation construction expense, can effectively improve the exploitation economic benefit of platform to target oil field.4, the present invention is placed in waterproof casing, cable protecting tube etc. in gin pole, reduced to a great extent the size of platform structure at Water Plane place, thereby reduce the marine environment load that structure is born, especially in the situation of ice formation, the Bohai Sea, can greatly reduce the suffered sea ice load of platform structure.The present invention can extensively at sea apply in oil gas field field.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the invention provides a kind of bucket foundation list leg post production platform, it comprises three bucket foundations 1, three horizontal truss 2, two sub-trusses 4, gin pole 3, cat ladder 7, boarding platform 5 and a job platform 6; Wherein, each bucket foundation 1 is all suction pile; Gin pole 3 forms only leg open side type structure of the present invention, is main support structure of the present invention.
Each bucket foundation 1 is positioned under mud face, for the required bearing capacity of platform being provided and being convenient to movement and the resettlement of platform.
Three horizontal truss 2 are positioned at Ni Mianchu and join end to end and form triangle horizontal plane, each tie point one end face is welded on respectively on bucket foundation 1, weld with gin pole 3 and two sub-trusses 4 respectively each tie point other end, so that the vertical load of production platform and level environment load are effectively delivered on three bucket foundations 1, guarantee that three bucket foundations 1 are fixing as a whole stressed simultaneously.
Gin pole 3 is for supporting boarding platform 5 and job platform 6, gin pole 3 is welded on the tie point being connected and composed by horizontal truss 2, gin pole 3 bottommosts also weld through this tie point and bucket foundation 1, and single gin pole 3 supports and can greatly reduce the suffered environmental load of platform structure of the present invention; Waterproof casing, cable protecting tube etc. is placed in gin pole 3, to reduce platform structure of the present invention at the suffered environmental load of horizontal plane annex.
Two sub-truss 4 one end are welded on respectively on all the other two tie points that consist of horizontal truss 2, and the other end is all welded on gin pole 3, and are positioned at below horizontal plane, more than mud face with the pad of gin pole 3; Three horizontal truss 2, gin pole 3 and two sub-trusses 4 form space tetrahedral structure, be positioned at this space tetrahedral structure, between the junction to two of gin pole 3 and horizontal truss 2 sub-truss 4, between two sub-trusses 4, be all welded with a Space Oblique to strut 8, to guarantee the spatial stability of two sub-trusses 4.
More than boarding platform 5 is positioned at the water surface, be arranged on gin pole 3 tops, to meet platform by ship time personnel's operating space requirement.
Job platform 6 is positioned at boarding platform 5 tops, is arranged on the top of gin pole 3, guarantees to leave enough air gaps to avoid shipping of green water between job platform 6 and horizontal plane; On gin pole 3, between boarding platform 5 and job platform 6, be also provided with cat ladder 7, so that operating personnel etc. carry out platform operation; Existing simple and easy electric hoist type loop wheel machine can also be set on job platform 6.Wherein:
On job platform 6, be also provided with one deck deck structure, deck structure adopts beam column panel space frame, and node is for being rigidly connected; Between gin pole 3 and job platform 6, be also provided with oblique strut, form space beveled structure, on this deck structure, can arrange relevant oil production equipment.
In above-described embodiment, be positioned at three horizontal truss 2 and form triangle horizontal plane, be also provided with a plurality of triatic stays 9, to guarantee the stability of horizontal truss 2.
In sum, the present invention in use, its principle is as follows: when adopting bucket foundation list leg post production platform of the present invention to carry out marine petroleum exploitation, on build the side, bucket foundation 1, horizontal truss 2, gin pole 3, sub-truss 4, boarding platform 5, job platform 6, cat ladder 7 and other element precasts are become to an integrated member.During offshore construction, with barge, the integrated member holder shipping being prefabricated into is delivered to site, oil field, with crane barge, platform is transferred in water, and utilize platform deadweight to make bucket foundation 1 bottom surface enter mud 2m formation air-proof condition, start pumping system and continue injection bucket foundation 1, in penetration process after the interior clear mud of bucket foundation 1, restart pumping system by bucket foundation 1 end face injection to 1.0m under mud face, in penetration process by anti-water filling jacking, carry out bucket foundation 1 leveling operation, in bucket foundation 1 penetration process and after platform installation, need to be to platform center, absolute altitude, the parameter such as azimuth and levelness is measured.
After installation in position of the present invention, its structural shape meets the requirement of boring completion with the jackup vessel of semi girder, drill ship pitching pile position and bucket foundation have enough safe distances, cause its damage of soil body around can not affect reliability and the bearing capacity of bucket foundation 1 in drill ship pitching pile and pile pulling process.
When adopting the present invention to complete after the mining operations of wellblock, oil field, to reclaim platform, construction operation process is as follows: first utilize well head internal cutting system, at the following certain depth of mud face, waterproof casing is carried out to internal cutting, use crane barge that the waterproof casing of cut-out is hung out; Then to the interior water filling of bucket foundation 1, by deck roof mud extraction face, use crane barge that platform is hung to the fixedly butt find site of navigating of barge assigned address.
The various embodiments described above are only for illustrating the present invention; the connection of each parts and structure all can change to some extent; on the basis of technical solution of the present invention; all improvement and equivalents of the connection of indivedual parts and structure being carried out according to the principle of the invention, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. a bucket foundation list leg post production platform, is characterized in that: it comprises three bucket foundations, three horizontal truss, two sub-trusses, a gin pole, a cat ladder, a boarding platform and a job platform;
Described in each, bucket foundation is positioned under mud face, for the required bearing capacity of platform being provided and being convenient to movement and the resettlement of platform;
Three described horizontal truss are positioned at Ni Mianchu and join end to end and form triangle horizontal plane, and each tie point one end face is welded on respectively on described bucket foundation, each tie point other end respectively with described two sub-trusses and gin pole welding;
Described gin pole is used for supporting described boarding platform and job platform, and described gin pole is welded on the tie point being connected and composed by described horizontal truss, and described gin pole bottommost also welds through this tie point and described bucket foundation;
Two described sub-truss one end are welded on respectively on all the other two tie points that consist of described horizontal truss, and the other end is all welded on described gin pole, and are positioned at below horizontal plane, more than mud face with the pad of described gin pole; Three described horizontal truss, two described sub-trusses and described gin pole form space tetrahedral structure;
More than described boarding platform is positioned at the water surface, be arranged on described gin pole top;
Described job platform is positioned at described boarding platform top, is arranged on the top of described gin pole; On described gin pole, between described boarding platform and described job platform, be also provided with described cat ladder.
2. a kind of bucket foundation list leg post production platform as claimed in claim 1, is characterized in that: be positioned at three described horizontal truss and form triangle horizontal plane, be also provided with a plurality of triatic stays.
3. a kind of bucket foundation list leg post production platform as claimed in claim 1, it is characterized in that: be positioned at described space tetrahedral structure, between the described sub-truss of the junction to two of described gin pole and described horizontal truss, be all welded with a Space Oblique between two described sub-trusses to strut.
4. a kind of bucket foundation list leg post production platform as claimed in claim 2, it is characterized in that: be positioned at described space tetrahedral structure, between the described sub-truss of the junction to two of described gin pole and described horizontal truss, be all welded with a Space Oblique between two described sub-trusses to strut.
5. a kind of bucket foundation list leg post production platform as claimed in claim 1 or 2 or 3 or 4, is characterized in that: simple and easy electric hoist type loop wheel machine is set on described job platform; On described job platform, be also provided with one deck deck structure, described deck structure adopts beam column panel space frame, and node is for being rigidly connected; Between described gin pole and described job platform, be also provided with oblique strut.
6. a kind of bucket foundation list leg post production platform as claimed in claim 1 or 2 or 3 or 4, is characterized in that: in described gin pole, be provided with waterproof casing, cable protecting tube.
7. a kind of bucket foundation list leg post production platform as claimed in claim 5, is characterized in that: in described gin pole, be provided with waterproof casing, cable protecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410215018.3A CN104018481B (en) | 2014-05-21 | 2014-05-21 | A kind of bucket foundation list leg post production platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410215018.3A CN104018481B (en) | 2014-05-21 | 2014-05-21 | A kind of bucket foundation list leg post production platform |
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| CN104018481A true CN104018481A (en) | 2014-09-03 |
| CN104018481B CN104018481B (en) | 2016-03-23 |
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| CN201410215018.3A Active CN104018481B (en) | 2014-05-21 | 2014-05-21 | A kind of bucket foundation list leg post production platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930576A (en) * | 2019-04-19 | 2019-06-25 | 中交第一航务工程勘察设计院有限公司 | A kind of assembled bucket foundation sea geological prospecting platform structure |
| CN112681274A (en) * | 2020-12-02 | 2021-04-20 | 中国电建集团华东勘测设计研究院有限公司 | Self-floating and self-elevating offshore electrical platform and installation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095787A2 (en) * | 2002-05-08 | 2003-11-20 | Anadarko Petroleum Corporation | Method and system for building modular structures from which oil and gas wells are drilled |
| CN2878506Y (en) * | 2004-11-29 | 2007-03-14 | 天津市海王星海上工程技术有限公司 | Single point mooring portal platform |
| CN2911009Y (en) * | 2006-01-23 | 2007-06-13 | 中国海洋石油总公司 | One-leg three-pile simple platform suitable for developing medium-small oil fields in sea |
| CN201546211U (en) * | 2009-09-28 | 2010-08-11 | 中交第二航务工程勘察设计院有限公司 | Static pressure fixed drilling platform assembled at sea |
| CN201695381U (en) * | 2010-06-04 | 2011-01-05 | 中国海洋石油总公司 | Three-cylindrical foundation one-legged mooring platform |
| CN203866802U (en) * | 2014-05-21 | 2014-10-08 | 中国海洋石油总公司 | Single-foot column oil production platform |
-
2014
- 2014-05-21 CN CN201410215018.3A patent/CN104018481B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095787A2 (en) * | 2002-05-08 | 2003-11-20 | Anadarko Petroleum Corporation | Method and system for building modular structures from which oil and gas wells are drilled |
| CN2878506Y (en) * | 2004-11-29 | 2007-03-14 | 天津市海王星海上工程技术有限公司 | Single point mooring portal platform |
| CN2911009Y (en) * | 2006-01-23 | 2007-06-13 | 中国海洋石油总公司 | One-leg three-pile simple platform suitable for developing medium-small oil fields in sea |
| CN201546211U (en) * | 2009-09-28 | 2010-08-11 | 中交第二航务工程勘察设计院有限公司 | Static pressure fixed drilling platform assembled at sea |
| CN201695381U (en) * | 2010-06-04 | 2011-01-05 | 中国海洋石油总公司 | Three-cylindrical foundation one-legged mooring platform |
| CN203866802U (en) * | 2014-05-21 | 2014-10-08 | 中国海洋石油总公司 | Single-foot column oil production platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930576A (en) * | 2019-04-19 | 2019-06-25 | 中交第一航务工程勘察设计院有限公司 | A kind of assembled bucket foundation sea geological prospecting platform structure |
| CN112681274A (en) * | 2020-12-02 | 2021-04-20 | 中国电建集团华东勘测设计研究院有限公司 | Self-floating and self-elevating offshore electrical platform and installation method thereof |
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| Publication number | Publication date |
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| CN104018481B (en) | 2016-03-23 |
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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 |