CN202718076U - Guide pipe support with three-upright legs and three skirt piles - Google Patents
Guide pipe support with three-upright legs and three skirt piles Download PDFInfo
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- CN202718076U CN202718076U CN 201220342227 CN201220342227U CN202718076U CN 202718076 U CN202718076 U CN 202718076U CN 201220342227 CN201220342227 CN 201220342227 CN 201220342227 U CN201220342227 U CN 201220342227U CN 202718076 U CN202718076 U CN 202718076U
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Abstract
The utility model discloses a guide pipe support with three-upright legs and three skirt piles, which comprises three upright leg piles (1) which are parallel to each other and sway braces (2) arranged among the three upright leg piles (1), and skirt pile sleeves (3) are arranged at the lower ends of the three upright leg piles (1) and are used for being sleeved on underwater piles (4).The guide pipe support with three-upright legs and three skirt piles has the advantages of high structural rigidity, light weight, small leg column span, small amount of construction on sea, no restriction on platform installation position, etc.
Description
Technical field
The utility model relates to the jacket that a kind of offshore oil exploiting platform is used.
Background technology
In today of social high speed development, people strengthen day by day to the demand of the energy.In recent years, international oil price was high, and marginal oil field becomes a focus of marine petroleum development.In marginal oil field in the past, often adopt to rely on the mode of existing platform adding and hanging well slots or well-head frame to bore the adjustment well, or be three of newly-built only legs, three simple platforms of two legs, again or the mode of three legs, four leg king pile wellhead platforms.They exist respectively that the installation site is limited, the platform displacement is excessive or construction weight such as lays particular stress at the shortcoming, and after jacket installation is finished and before upper chunk installs, need to install jacket cap or changeover portion, and the offshore construction workload is larger.Because the own characteristic of marginal oil field, economy is the basic place of oil field development, and these above-mentioned problems have all increased engineering cost directly or indirectly, and the key of marginal oil field is to control cost.Therefore, need a kind of novel simple and easy jacket of design, both can guarantee the platform strength and stiffness, but reduce rolled steel dosage again, and reduce the offshore construction workload, as far as possible with most economical mode marginal field development.
Above-mentioned discussion content purpose is to introduce to the reader various aspects of technology that may be relevant with the various aspects of the present utility model that below will be described and/or advocate, believe that this discussion content helps to provide background information for the reader, to be conducive to understanding better various aspects of the present utility model, therefore, should be appreciated that it is to read these discussions with this angle, rather than admit prior art.
The utility model content
The purpose of this utility model is to avoid deficiency of the prior art and a kind of three straight leg three skirt piles jackets is provided, it can guarantee the platform strength and stiffness, but again reduce rolled steel dosage, and minimizing offshore construction workload is as far as possible with most economical mode marginal field development.
The purpose of this utility model is achieved through the following technical solutions:
A kind of three straight leg three skirt piles jackets are provided, comprise three upright leg stakes that are parallel to each other and be arranged on three bearing diagonals between the upright leg stake, the lower end of described three upright leg stakes is equipped with skirt pile sleeve, and skirt pile sleeve is used for being set in snag.
Wherein, connect by sleeve connection structure between described upright leg stake and the skirt pile sleeve.
Wherein, be provided with the platform upper chunk between the upper end of described three vertical leg stakes.
Wherein, be provided with mud mat between the lower end of described three vertical leg stakes.
Wherein, be provided with the well head guide frame between the stage casing of described three vertical leg stakes.
The beneficial effects of the utility model: owing to adopted above-mentioned structure, the present utility model is with respect to 40 meters depth of water jackets of other form, the structure design of its three legs truss-like has guaranteed the rigidity of platform, the top horizontal movement is controlled in 20 centimetres, has guaranteed the stability of platform and the safety and comfort requirement that personnel behaviour does.Adopt the structure design of skirt piles, piling bar only need be designed into above about 15 meters of mud face, has greatly shortened the length of piling bar, has saved rolled steel dosage.The design of three straight legs can guarantee can be interfaced directly on the jacket leg when upper chunk is installed, and need not the installation adjusting of jacket cap or changeover portion; The pile extension operation of king pile has been saved in the simultaneously design of snag, has greatly saved the offshore construction activity duration.The utlity model has the advantages such as the rigidity of structure is large, lightweight, leg post span is little, the offshore construction amount is little, the platform installation site is unrestricted.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of three straight leg three skirt piles jackets.
In Fig. 1, include: 1---upright leg stake, 2---bearing diagonal, 3---skirt pile sleeve, 4---snag, 5---sleeve connection structure, 6---platform upper chunk, 7---mud mat, 8---well head guide frame.
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments the utility model is described in further detail, need to prove, in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
Core of the present utility model is to provide a kind of three straight leg three skirt piles jackets, its
As shown in Figure 1, described in the utility model three straight leg three skirt piles jackets comprise three upright leg stakes 1 that are parallel to each other and are arranged on 2, three upright leg stakes 1 of three bearing diagonals between the upright leg stake 1 and the structure of bearing diagonal 2 formation truss-likes, intensity is high, and weight is relatively light.Straight leg structure is adopted in the leg stake, can reduce jacket agent structure bottom size, reduces the suffered environmental load of platform thereby reach, and reduces the effect of construction weight.The lower end of described three upright leg stakes 1 is equipped with skirt pile sleeve 3, and skirt pile sleeve 3 is used for being set in snag 4.Connect by sleeve connection structure 5 between described upright leg stake 1 and the skirt pile sleeve 3.And the use of skirt piles structure, can adjust neatly jacket in the appearance and size of Ni Mianchu according to load situation on the one hand, reduce the size of pile crown power, reach the purpose that reduces piling bar size and driving depth, also can eliminate on the other hand stake and the coupling requirement of leg column dimension, make stake and leg post all can reach separately the size design of optimum.Be provided with platform upper chunk 6 between the upper end of described three vertical leg stakes 1, be provided with mud mat 7 between the lower end of described three vertical leg stakes 1, be provided with well head guide frame 8 between the stage casing of described three vertical leg stakes 1.
The utility model compared with prior art, advantage is as follows:
1. compare with only leg three skirt piles structures: solely leg three skirt piles are at the jacket of 40 meters depth of waters, the base profile size about 35 meters, the about 35cm of top displacement; And the utility model jacket, bottom size is about 20 meters, and top displacement need not the design and installation jacket cap in 20cm;
2. compare with two legs, three pileworks: two legs, the three pile leader framves about 40 meters depth of water, the about 35cm of maximum horizontal displacement of its weak side direction; And the displacement of the utility model jacket all directions is all in 20cm;
3. compare with three legs, three king pile jackets: three legs, the three king pile jackets about 40 meters depth of water, the weight of structure (comprising stake) and need to install imperial crown plate and changeover portion about 800 tons; And the weight of the utility model jacket is about 730 tons, need not imperial crown plate and changeover portion; Save the pile extension operation of king pile, greatly shortened the offshore construction activity duration;
4. compare with simple wellhead frame: simple wellhead frame can't be deposited certainly, need to depend on existing platform; The utility model jacket can satisfy the existence requirement under the various extreme environmental conditions, the military service of can independently surviving;
Straight leg three skirt piles jackets build and transportation aspect simple and convenient more, and need not to install jacket cap, imperial crown plate and changeover portion, adopt simultaneously the mode of snag to save the installation procedure of king pile pile extension, greatly shortened the offshore construction cycle.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " connection ", " linking to each other ", " fixing ", for example, can be fixedly connected with, also can be to removably connect, or connect integratedly, can be directly to link to each other, also can indirectly link to each other by intermediary, can also refer to the internal communication of two elements, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
Set forth a lot of details so that fully understand the utility model in the top description, still, the utility model can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to the utility model protection domain.
In a word; although the utility model has exemplified above-mentioned preferred embodiment; but should illustrate; although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in the protection domain of the present utility model.
Claims (5)
1. straight leg three skirt piles jackets, it is characterized in that: comprise the three upright leg stakes (1) that are parallel to each other and be arranged on bearing diagonal (2) between three upright leg stakes (1), the lower end of described three upright leg stakes (1) is equipped with skirt pile sleeve (3), and skirt pile sleeve (3) is used for being set in snag (4).
2. according to claim 1 three straight leg three skirt piles jackets is characterized in that: connect by sleeve connection structure (5) between described upright leg stake (1) and the skirt pile sleeve (3).
3. according to claim 1 and 2 three straight leg three skirt piles jackets is characterized in that: be provided with platform upper chunk (6) between the upper end of described three vertical leg stakes (1).
4. according to claim 1 and 2 three straight leg three skirt piles jackets is characterized in that: be provided with mud mat (7) between the lower end of described three vertical leg stakes (1).
5. according to claim 1 and 2 three straight leg three skirt piles jackets is characterized in that: be provided with well head guide frame (8) between the stage casing of described three vertical leg stakes (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342227 CN202718076U (en) | 2012-07-16 | 2012-07-16 | Guide pipe support with three-upright legs and three skirt piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342227 CN202718076U (en) | 2012-07-16 | 2012-07-16 | Guide pipe support with three-upright legs and three skirt piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718076U true CN202718076U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342227 Expired - Fee Related CN202718076U (en) | 2012-07-16 | 2012-07-16 | Guide pipe support with three-upright legs and three skirt piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718076U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255753A (en) * | 2013-05-31 | 2013-08-21 | 中国海洋石油总公司 | Rapid disengaging structure of rigging platform |
| CN104963327A (en) * | 2015-07-09 | 2015-10-07 | 中国石油天然气集团公司 | Jacket |
| CN105297696A (en) * | 2014-07-16 | 2016-02-03 | 中国海洋石油总公司 | Six-leg wellhead platform jacket |
| WO2019113367A1 (en) * | 2017-12-06 | 2019-06-13 | Fmc Technologies, Inc. | Universal block platform lower platform block |
| 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 |
| CN114457773A (en) * | 2022-01-21 | 2022-05-10 | 西南石油大学 | Novel jacket platform suitable for offshore oil and gas exploitation |
| 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 |
-
2012
- 2012-07-16 CN CN 201220342227 patent/CN202718076U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255753A (en) * | 2013-05-31 | 2013-08-21 | 中国海洋石油总公司 | Rapid disengaging structure of rigging platform |
| CN105297696A (en) * | 2014-07-16 | 2016-02-03 | 中国海洋石油总公司 | Six-leg wellhead platform jacket |
| CN104963327A (en) * | 2015-07-09 | 2015-10-07 | 中国石油天然气集团公司 | Jacket |
| US11255062B2 (en) | 2017-12-06 | 2022-02-22 | Fmc Technologies, Inc. | Universal block platform lower platform block and method of use |
| WO2019113367A1 (en) * | 2017-12-06 | 2019-06-13 | Fmc Technologies, Inc. | Universal block platform lower platform block |
| US11274409B2 (en) | 2017-12-06 | 2022-03-15 | Fmc Technologies, Inc. | Universal block platform integrated platform block |
| US11352758B2 (en) | 2017-12-06 | 2022-06-07 | Fmc Technologies, Inc. | Universal block platform jacket connector block |
| US11713654B2 (en) | 2017-12-06 | 2023-08-01 | Fmc Technologies, Inc. | Universal block platform |
| 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 |
| CN114457773A (en) * | 2022-01-21 | 2022-05-10 | 西南石油大学 | Novel jacket platform suitable for offshore oil and gas exploitation |
| CN114457773B (en) * | 2022-01-21 | 2023-11-14 | 西南石油大学 | Novel jacket platform suitable for offshore oil and gas exploitation |
| 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 |
| CN114737548B (en) * | 2022-04-18 | 2024-09-20 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: South Road 524057 in Guangdong province Zhanjiang City Potou District No. 22 Co-patentee after: Zhanjiang Nanhai West Petroleum Prospecting Design Co.,Ltd. Patentee after: CNOOC (China) Limited Zhanjiang Branch Address before: Chinese CNOOC Building No. 25 Beijing 100010 Dongcheng District Chaoyangmen North Street Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation Co-patentee before: Zhanjiang Nanhai West Petroleum Prospecting Design Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20180716 |