CN104963327A - Jacket - Google Patents
Jacket Download PDFInfo
- Publication number
- CN104963327A CN104963327A CN201510401607.5A CN201510401607A CN104963327A CN 104963327 A CN104963327 A CN 104963327A CN 201510401607 A CN201510401607 A CN 201510401607A CN 104963327 A CN104963327 A CN 104963327A
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- upright
- clump
- piles
- jacket
- sleeve
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Abstract
The invention discloses a jacket and belongs to the field of offshore engineering structures. The jacket comprises a vertical cylinder and three parallel vertical skirt sleeves. Anti-setting plates are arranged between the lower ends of the three parallel vertical skirt sleeves. The middle and lower portions of the vertical cylinders are connected with the vertical skirt sleeves through supporting pieces respectively. Each supporting piece between the vertical cylinder and each skirt sleeve comprises a set of first horizontal braces and two sets of first sway braces. Two sets of second horizontal braces and a set of second sway braces are arranged between every two adjacent skirt sleeves. The jacket solves the technical problem that an existing simple platform is low in structural rigidity and poor in whole stability when applied to an offshore oil and gas field.
Description
Technical field
The present invention relates to offshore engineering structure field, particularly relate to a kind of jacket.
Background technology
In recent years, along with continually developing of Marine oil and gas resource, marginal field progressively becomes one of focus received much concern.According to statistics, there is dozens of undeveloped marginal field, China South Sea, and reserves reach more than one hundred million ton, but due to a variety of causes such as sea situation, geology, reserves, is difficult to develop under the technological means and given economic condition of routine.
At present, in the exploitation of the marginal field of China, often adopt the mode of relying on jackup vessel or existing fixed platform to carry additionally well-head frame, but the installation site that jackup vessel or existing fixed platform carry additionally the mode of well-head frame is limited, therefore, have the mode of newly-built only leg simple platform, two legs, three platforms, three legs or four leg king pile wellhead platforms at present, but there is the technical problems such as the rigidity of structure is lower, resistance to overturning is poor, overall weight is higher respectively in above-mentioned platform.
Summary of the invention
The object of the present invention is to provide a kind of jacket, solve the technical problems such as the existing simple platform rigidity of structure is lower, resistance to overturning is poor, overall weight is higher.
Embodiments provide a kind of jacket, comprising: upright barrel mast, the three upright clump of piles sleeves be parallel to each other; Be provided with mud mat between the lower end of three described upright clump of piles sleeves, the middle and lower part of described upright barrel mast is connected by support member with between upright clump of piles sleeve described in every root; Wherein, described upright barrel mast and the described support member often arranged between upright clump of piles sleeve described in root have one group of first horizontal support and two group of first bearing diagonal, are provided with two group of second horizontal support and one group of second bearing diagonal between adjacent two described upright clump of piles sleeves.
Preferably, the upper end of described upright barrel mast is provided with platform chunk sub-truss.
Preferably, the end face of described upright barrel mast is provided with well head guide frame.
Preferably, described upright barrel mast, be provided with piling bar guide frame under water between described upright clump of piles sleeve and described platform chunk sub-truss.
Preferably, the bottom surface level height of described upright barrel mast is higher than the bottom surface level height of described upright clump of piles sleeve.
The technical scheme that the embodiment of the present invention provides, at least has following technique effect or advantage:
1, the jacket in the embodiment of the present invention ensure that platform rigidity by monotubular three pilework, make top control of horizontal displacement within 35cm, solve the technical problem that the existing simple platform rigidity of structure is lower, resistance to overturning is poor, meet stability and the comfortableness requirement of platform.
2, the jacket in the embodiment of the present invention shortens piling bar length by clump of piles structure under water, has saved rolled steel dosage, wants light than the weight of normal platform (such as, four leg's jackets platform).Therefore, can water under integral hoisting mode during Attention problems, jacket relies on from reentrying mud, forms initial sealing, after jacket is stood firm bottom mud mat with mud face, by piling bar guide frame under water transfer under water piling bar to upright clump of piles sleeve, again piling bar is squeezed into projected depth, piling bar is in the milk between overlapping with a clump of piles and is connected, thus decreases the dependence to complicated construction machinery and large-scale mounting shipping, optimize marine pile extension operation, shorten Potential Working Time For Operation At Sea.
3, in the embodiment of the present invention, there is platform chunk sub-truss the upright barrel mast upper end of jacket, and can directly dock when its straight leg design ensure that upper chunk is installed, the installation eliminating jacket changeover portion regulates.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of jacket in the embodiment of the present invention.
Detailed description of the invention
In order to solve the technical problems such as the existing simple platform rigidity of structure is lower, resistance to overturning is poor, overall weight is higher, the embodiment of the present invention proposes a kind of jacket, and general thought is as follows:
The three upright clump of piles sleeves arranging a upright barrel mast and be parallel to each other, connect and compose monotubular three pilework by support member between the middle and lower part of upright barrel mast and upright clump of piles sleeve.
Monotubular three pilework of above-mentioned formation ensure that platform rigidity, enables top horizontal movement control within 35cm, solves the technical problem that the existing simple platform rigidity of structure is lower, resistance to overturning is poor, meets stability and the comfortableness requirement of platform.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out knowing to the technical scheme in the embodiment of the present invention and intactly describe, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in figure 1, a kind of jacket that the embodiment of the present invention provides, comprising: a upright barrel mast 1, mud mat 5, the upright clump of piles sleeve 2,3,4 be parallel to each other.
Mud mat 5 is provided with between the lower end of upright clump of piles sleeve 2,3,4.Concrete, the grillage of mud mat 5 is fixed on the lower end of upright clump of piles sleeve 2,3,4, and plate face covers the bottom surface of upright clump of piles sleeve 2,3,4.
In specific implementation process, the structure of upright clump of piles sleeve 2,3,4 is identical, and upright clump of piles sleeve 2,3,4 be evenly distributed on upright barrel mast 1 around.Concrete, upright clump of piles sleeve 2,3,4 lays respectively at three vertex positions of equilateral triangle, and upright barrel mast 1 is positioned at the center of equilateral triangle.
Concrete, the bottom surface of upright clump of piles sleeve 2,3,4 is positioned at same level height, and the bottom surface level height of upright barrel mast 1 is higher than the bottom surface level height of upright clump of piles sleeve 2,3,4.
Concrete, upright barrel mast 1 is parallel to each other with upright clump of piles sleeve 2,3,4, and upright clump of piles sleeve 2,3,4 is connected with upright barrel mast 1 respectively by three groups of support members.With reference to figure 1, be provided with between upright barrel mast 1 and upright clump of piles sleeve 2,3,4: the first horizontal support 6, first bearing diagonal 7, first bearing diagonal 8.Wherein, be described for the support member annexation between upright barrel mast 1 and upright clump of piles sleeve 2: one end of the first horizontal support 6 is fixed on the lower end of upright barrel mast 1, and the other end of the first horizontal support 6 is fixed on the upper end of upright clump of piles sleeve 2; One end of first bearing diagonal 7 is fixed on the middle part of upright barrel mast 1, and the other end of the first bearing diagonal 7 is fixed on the upper end of upright clump of piles sleeve 2; One end of first bearing diagonal 8 is fixed on the lower end of upright barrel mast 1, and the other end of the first bearing diagonal 8 is fixed on the lower end of upright clump of piles sleeve 2.In specific implementation process, the first bearing diagonal 7 and the first bearing diagonal 8 are parallel to each other.
In specific implementation process, the similar or identical support member annexation between upright barrel mast 1 and upright clump of piles sleeve 2 of support member annexation between upright barrel mast 1 and upright clump of piles sleeve 3,4, succinct in order to manual, please refer to Fig. 1 and aforementioned, repeats no more herein.
Concrete, the every of upright clump of piles sleeve 2,3,4 is provided with the second horizontal support 9, second horizontal support 10, second bearing diagonal 11 between the two.Wherein, carry out citing with the support member annexation between upright clump of piles sleeve 2,3 to describe: one end of the second horizontal support 9 is fixed on the upper end of upright clump of piles sleeve 2, and the other end of the second horizontal support 9 is fixed on the upper end of upright clump of piles sleeve 3; One end of second horizontal support 10 is fixed on the lower end of upright clump of piles sleeve 2, and the other end of the second horizontal support 10 is fixed on the lower end of upright clump of piles sleeve 3; One end of second bearing diagonal 11 is fixed on the upper end of upright clump of piles sleeve 2, the other end of the second bearing diagonal 11 is fixed on the lower end (or the annexation of the second horizontal support 10 can also be: one end of the second bearing diagonal 11 is fixed on the lower end of upright clump of piles sleeve 2, and the other end of the second bearing diagonal 11 is fixed on the upper end of upright clump of piles sleeve 3) of upright clump of piles sleeve 3.
Further, the jacket in the present invention is provided with platform chunk sub-truss 12, for placement platform upper chunk in the upper end of upright barrel mast 1.Concrete, platform chunk sub-truss 12 is four straight leg designs: the upper end comprised around upright barrel mast 1 is uniformly distributed four truss leg 12-1, connected by a horizontal support member 12-2 between adjacent truss leg 12-1, horizontal support member 12-3 and bearing diagonal part 12-4 is also connected between each truss leg 12-1 and upright barrel mast 1 upper end, platform chunk sub-truss 12 to be fixed to the upper end of upright barrel mast 1, thus can directly dock when ensure that upper chunk is installed, the installation eliminating jacket changeover portion regulates
Further, the jacket in the present invention is provided with well head guide frame 14 at the top end face of upright barrel mast 1, and well head guide frame 14 is for lowering risers.
Further, the jacket in the present invention is provided with three groups of guide frames of piling bar under water 14 be parallel to each other.For after jacket is stood firm, by piling bar guide frame 14 under water transfer under water piling bar to upright clump of piles sleeve 2,3,4.Wherein, upright barrel mast 1, be uprightly provided with first group of piling bar guide frame 14 under water between clump of piles sleeve 2 and platform chunk sub-truss 12; Upright barrel mast 1, be uprightly provided with second group of piling bar guide frame 14 under water between clump of piles sleeve 3 and platform chunk sub-truss 12; Upright barrel mast 1, be uprightly provided with the 3rd group of piling bar guide frame 14 under water between clump of piles sleeve 3 and platform chunk sub-truss 12.
Concrete, often organize piling bar guide frame 14 under water include independently go up, in, lower three parts, often organize piling bar guide frame 14 under water upper, in, lower three parts are on a vertical straight line, wherein, middle part is fixed on the middle part of upright barrel mast 1 by a horizontal support, top is fixed on corresponding truss leg 12-1 by a horizontal support, bottom is interfaced directly to corresponding upright clump of piles sleeve, and (corresponding upright clump of piles sleeve is upright clump of piles sleeve 2, or upright clump of piles sleeve 3, or upright clump of piles sleeve 4) top.
Below, the use procedure of jacket in the present invention is described:
By water under the jacket integral hoisting mode in the present invention during Attention problems, jacket relies on from reentrying mud, forms initial sealing bottom mud mat 5 with mud face.After jacket is stood firm, transfer piling bar under water, to upright clump of piles sleeve 2,3,4, by pile driving barge, piling bar is squeezed into projected depth by piling bar guide frame 14 under water, being in the milk between piling bar with upright clump of piles sleeve 2,3,4 is connected.
One or more technical schemes in the embodiment of the present invention, at least have following technique effect or advantage:
1, the jacket in the embodiment of the present invention ensure that platform rigidity by monotubular three pilework, make top control of horizontal displacement within 35cm, solve the technical problem that the existing simple platform rigidity of structure is lower, resistance to overturning is poor, meet stability and the comfortableness requirement of platform.
2, the jacket in the embodiment of the present invention shortens piling bar length by clump of piles structure under water, has saved rolled steel dosage, wants light than the weight of normal platform (such as, four leg's jackets platform).Therefore, can water under integral hoisting mode during Attention problems, jacket relies on from reentrying mud, forms initial sealing, after jacket is stood firm bottom mud mat with mud face, by piling bar guide frame under water transfer under water piling bar to upright clump of piles sleeve, again piling bar is squeezed into projected depth, piling bar is in the milk between overlapping with a clump of piles and is connected, thus decreases the dependence to complicated construction machinery and large-scale mounting shipping, optimize marine pile extension operation, shorten Potential Working Time For Operation At Sea.
3, in the embodiment of the present invention, there is platform chunk sub-truss the upright barrel mast upper end of jacket, and can directly dock when its straight leg design ensure that upper chunk is installed, the installation eliminating jacket changeover portion regulates.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (5)
1. a jacket, is characterized in that, comprising: upright barrel mast, the three upright clump of piles sleeves be parallel to each other; Be provided with mud mat between the lower end of three described upright clump of piles sleeves, the middle and lower part of described upright barrel mast is connected by support member with between upright clump of piles sleeve described in every root;
Wherein, described upright barrel mast and the described support member often arranged between upright clump of piles sleeve described in root have one group of first horizontal support and two group of first bearing diagonal, are provided with two group of second horizontal support and one group of second bearing diagonal between adjacent two described upright clump of piles sleeves.
2. jacket as claimed in claim 1, it is characterized in that, the upper end of described upright barrel mast is provided with platform chunk sub-truss.
3. jacket as claimed in claim 1, it is characterized in that, the end face of described upright barrel mast is provided with well head guide frame.
4. jacket as claimed in claim 1, is characterized in that, described upright barrel mast, is provided with piling bar guide frame under water between described upright clump of piles sleeve and described platform chunk sub-truss.
5. jacket as claimed in claim 1, is characterized in that, the bottom surface level height of described upright barrel mast is higher than the bottom surface level height of described upright clump of piles sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401607.5A CN104963327A (en) | 2015-07-09 | 2015-07-09 | Jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401607.5A CN104963327A (en) | 2015-07-09 | 2015-07-09 | Jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104963327A true CN104963327A (en) | 2015-10-07 |
Family
ID=54217400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401607.5A Pending CN104963327A (en) | 2015-07-09 | 2015-07-09 | Jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104963327A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985754A (en) * | 2019-12-19 | 2020-04-10 | 南通泰胜蓝岛海洋工程有限公司 | Jacket anti-sinking plate with reinforcing structure and integral reinforcing process thereof |
| CN111395292A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Jacket bottom base plate structure and jacket comprising same |
| CN112359861A (en) * | 2020-10-30 | 2021-02-12 | 中国船舶重工集团公司七五O试验场 | Seabed anti-sinking mechanism and using method |
| KR20210125300A (en) * | 2020-04-08 | 2021-10-18 | 주식회사케이베츠 | Offshore jacket structure system for the full reuse after decommission and the field work procedure |
| CN113670570A (en) * | 2021-08-17 | 2021-11-19 | 上海交通大学 | Jacket simulation device for ocean platform dismounting test |
| CN114737548A (en) * | 2022-04-18 | 2022-07-12 | 中海石油(中国)有限公司 | Three-leg simple wellhead platform suitable for hundred-meter water depth |
Citations (6)
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|---|---|---|---|---|
| CN1044142A (en) * | 1989-01-11 | 1990-07-25 | 麦尔斯克石油及天然气公司 | The mounting method and the erecting device of spud leg during spud leg formula ocean platform is installed |
| GB2292405A (en) * | 1994-08-19 | 1996-02-21 | Mcdermott Int Inc | Offshore structures. |
| CN2473128Y (en) * | 2001-02-23 | 2002-01-23 | 胜利石油管理局钻井工艺研究院 | One pile single well oil production platform with seat cushion under water conduct frame |
| RU2273694C1 (en) * | 2004-09-16 | 2006-04-10 | ООО "ЛУКОЙЛ-Калининградморнефть" | Method for pile installation in guiding means of marine platform base |
| CN202644508U (en) * | 2012-07-09 | 2013-01-02 | 天津市海王星海上工程技术有限公司 | Wellhead platform supported by cylinder combined tubular pile |
| CN202718076U (en) * | 2012-07-16 | 2013-02-06 | 中国海洋石油总公司 | Guide pipe support with three-upright legs and three skirt piles |
-
2015
- 2015-07-09 CN CN201510401607.5A patent/CN104963327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044142A (en) * | 1989-01-11 | 1990-07-25 | 麦尔斯克石油及天然气公司 | The mounting method and the erecting device of spud leg during spud leg formula ocean platform is installed |
| GB2292405A (en) * | 1994-08-19 | 1996-02-21 | Mcdermott Int Inc | Offshore structures. |
| CN2473128Y (en) * | 2001-02-23 | 2002-01-23 | 胜利石油管理局钻井工艺研究院 | One pile single well oil production platform with seat cushion under water conduct frame |
| RU2273694C1 (en) * | 2004-09-16 | 2006-04-10 | ООО "ЛУКОЙЛ-Калининградморнефть" | Method for pile installation in guiding means of marine platform base |
| CN202644508U (en) * | 2012-07-09 | 2013-01-02 | 天津市海王星海上工程技术有限公司 | Wellhead platform supported by cylinder combined tubular pile |
| CN202718076U (en) * | 2012-07-16 | 2013-02-06 | 中国海洋石油总公司 | Guide pipe support with three-upright legs and three skirt piles |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985754A (en) * | 2019-12-19 | 2020-04-10 | 南通泰胜蓝岛海洋工程有限公司 | Jacket anti-sinking plate with reinforcing structure and integral reinforcing process thereof |
| CN111395292A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Jacket bottom base plate structure and jacket comprising same |
| CN111395292B (en) * | 2020-03-27 | 2022-01-07 | 中国海洋石油集团有限公司 | Jacket bottom base plate structure and jacket comprising same |
| KR20210125300A (en) * | 2020-04-08 | 2021-10-18 | 주식회사케이베츠 | Offshore jacket structure system for the full reuse after decommission and the field work procedure |
| KR102398377B1 (en) * | 2020-04-08 | 2022-05-16 | 주식회사케이베츠 | Offshore jacket structure system for the full reuse after decommission and the field work procedure |
| CN112359861A (en) * | 2020-10-30 | 2021-02-12 | 中国船舶重工集团公司七五O试验场 | Seabed anti-sinking mechanism and using method |
| CN113670570A (en) * | 2021-08-17 | 2021-11-19 | 上海交通大学 | Jacket simulation device for ocean platform dismounting test |
| CN113670570B (en) * | 2021-08-17 | 2022-12-06 | 上海交通大学 | Jacket simulation device for ocean platform dismounting test |
| CN114737548A (en) * | 2022-04-18 | 2022-07-12 | 中海石油(中国)有限公司 | Three-leg simple wellhead platform suitable for hundred-meter water depth |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |