CN112554160A - Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness - Google Patents
Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness Download PDFInfo
- Publication number
- CN112554160A CN112554160A CN202010997072.3A CN202010997072A CN112554160A CN 112554160 A CN112554160 A CN 112554160A CN 202010997072 A CN202010997072 A CN 202010997072A CN 112554160 A CN112554160 A CN 112554160A
- Authority
- CN
- China
- Prior art keywords
- plate
- jacket
- sinking
- plate module
- sinking plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses an anti-sinking plate and a method for realizing adaptation of a jacket to water depth change and seabed unevenness by using the anti-sinking plate, wherein the anti-sinking plate comprises three anti-sinking plate modules: the jacket comprises a first anti-sinking plate module, a second anti-sinking plate module and a third anti-sinking plate module, wherein the three anti-sinking plate modules are suitable for different seabed environments, the anti-sinking plate modules connected to a cross brace at the bottom of the jacket are selected, and the three modules are combined for use to realize adaptation of the jacket to seabed unevenness and water depth change, shorten the design period of the jacket, simplify offshore construction, enable the standardized jacket to adapt to different water depths and seabed environments, avoid adjustment or repetitive design of the jacket structure caused by water depth change and offshore leveling operation caused by seabed unevenness, and contribute to realizing overall standardization of jacket design, construction and installation, thereby realizing overall improvement of design and construction efficiency and greatly reducing design construction cost.
Description
Technical Field
The invention relates to the field of jacket, in particular to an anti-sinking plate and a jacket water depth change and seabed unevenness adapting method.
Background
The ocean platform is an infrastructure for ocean oil and gas exploitation, the fixed pile foundation ocean platform is a platform form which is commonly used in China at present, and comprises an upper module functional structure and a lower jacket basic structure, the installation process is generally carried out in two steps, the jacket structure is installed firstly, and then the module structure is installed on the jacket; the main function of the anti-sinking plate is to provide support to ensure the stability of the jacket when the jacket is initially seated.
The anti-sinking plate is an important foundation structure for guaranteeing the stability of the sitting bottom of the jacket, and the anti-sinking plate has the main function of guaranteeing that the jacket is upright, does not topple, slide and does not sink under the action of wind, waves and currents after the sitting bottom is in place and before the pile is driven in the installation and construction process, and the traditional anti-sinking plate is a temporary structure, mainly used for guaranteeing the stability of the whole structure in the construction process, and generally can not finish the work mission of the jacket after the pile insertion of the jacket is finished, but can not solve the following common problems: the method generally comprises the steps of utilizing a leveler which is installed on a jacket in advance or utilizing a floating crane ship and a hoisting point to perform auxiliary leveling when the seabed is out of a construction acceptable range, and increasing the offshore workload and the construction difficulty.
The water depth of a plurality of ocean platforms in the same oil field group generally does not change greatly, and for platforms with the same or similar scales, the jacket can be designed in a standardized mode, but small changes of the water depth (for example, 0-3 m) need to adapt to the water depth change by adjusting the main structure of the jacket under the traditional condition, and the design period and the design cost are increased.
For a common jacket, accurate engineering geophysical prospecting data often do not exist in the early stage of design, water depth data of existing platforms on the periphery are usually referred as a design basis, and the main structure needs to be adjusted to adapt to the change of water depth according to the accurate engineering geophysical prospecting data after the water depth data in the middle and later stages of design are determined.
Disclosure of Invention
The invention aims to provide an anti-sinking plate structure and a method for adapting a jacket to water depth change and seabed unevenness by using the anti-sinking plate structure.
In order to solve the technical problems, the invention provides an anti-settling plate which is arranged between a jacket and a seabed and comprises an anti-settling plate module connected to a cross brace of a horizontal layer at the bottom of the jacket, wherein the anti-settling plate module comprises a bottom plate supported on the seabed, a supporting beam arranged on the upper surface of the bottom plate and a connecting structure used for connecting the cross brace, the anti-settling plate module is at least one of a first anti-settling plate module, a second anti-settling plate module and a third anti-settling plate module, the first anti-settling plate module comprises a first bottom plate, a first supporting beam and a clamping groove, and the cross brace is fixed in the clamping groove and is connected with the first bottom plate and the first supporting beam; the second anti-sinking plate module comprises a second bottom plate, a second supporting beam and a groove arranged in the second supporting beam, and the cross brace is clamped and fixed on the second supporting beam through the groove; the third sinking prevention plate module comprises a third bottom plate, a third supporting beam and a supporting piece, wherein the supporting piece is arranged in a direction deviating from the third bottom plate and connected with the cross brace and the third supporting beam.
Further, in the first anti-settling plate module, the first bottom plate is located between the cross brace and the seabed.
Further, the groove opens toward the jacket and away from the second bottom plate, and the depth of the groove is less than the height of the second support beam.
Further, the first bottom plate, the second bottom plate and the third bottom plate have the same or different areas.
Further, the cross brace is connected with the groove in a welding mode.
Further, the shape of the groove is matched with the profile of the outer wall of the cross brace.
Further, the support piece is a connecting plate or a connecting column.
Furthermore, the two connecting plates are symmetrically arranged on two sides of the cross brace, and two ends of each connecting plate are respectively connected with the cross brace and the third supporting beam in a welding mode.
Further, the connecting column is connected with the cross brace and the third supporting beam in a welding mode.
The invention also provides a method for adapting the jacket to water depth change and seabed unevenness, which comprises the following steps:
s1: selecting a jacket according to the water depth of a jacket installation water area and the platform scale;
s2: measuring the water depth value of each position of the jacket installation area, thereby obtaining the sea bottom mud surface line elevation of the anti-sinking plate installation area;
s3: calculating the difference value between the elevation of the cross brace and the elevation of the mud surface line of the seabed to obtain a span value delta h of each position between the cross brace and the seabed, and comparing the span value delta h with the application ranges of the first anti-settling plate module, the second anti-settling plate module and the third anti-settling plate module in any one of claims 1 to 8:
when delta H is less than D/2, using a first anti-sinking plate module, when the D/2 is more than or equal to delta H and less than D/2+ H, using a second anti-sinking plate module, and when the D/2+ H is more than or equal to delta H and less than or equal to 3000mm, using a third anti-sinking plate module, wherein D is the diameter of a horizontal layer cross brace at the bottom of the jacket, and H is the height of a support beam in the anti-sinking plate;
s4: manufacturing a first anti-sinking plate module, a second anti-sinking plate module and a third anti-sinking plate module at each position between the cross brace and the seabed according to the span value delta h at each position between the cross brace and the seabed, and correspondingly welding and fixing the first anti-sinking plate module, the second anti-sinking plate module and the third anti-sinking plate module on the cross brace;
s5: and integrally lowering the anti-sinking plate and the jacket to the mounting position of the jacket platform to adapt to the water depth change and the seabed flatness.
Further, when the D/2+ H is not less than delta H and is less than D/2+ H +200mm, the supporting piece of the third sinking plate module is a connecting plate, and when the D/2+ H +200mm is not less than delta H and is not less than 3000mm, the supporting piece of the third sinking plate module is a connecting column.
The invention has the technical effects that: the anti-sinking plate comprises three anti-sinking plate modules: the first anti-sinking plate module, the second anti-sinking plate module and the third anti-sinking plate module, the three anti-sinking plate modules are suitable for different seabed environments, the anti-sinking plate module connected to the cross brace at the bottom of the jacket is selected, the three modules are combined for use to realize that the jacket adapts to seabed unevenness, the design cycle of the jacket is shortened, offshore construction is simplified, under different seabed environments, the jacket can be stably supported with the seabed when sitting on the bottom only by adjusting the anti-sinking plates, in addition, the anti-sinking plates can also realize the adaptation of the jacket to water depth change, the water depth of a plurality of ocean platforms in the same oil field group is not greatly changed, the jacket can be subjected to standardized design for platforms with the same or similar scale, and small-amplitude change (such as 0 to 3 meters) of the water depth can adapt to the change by adjusting the anti-sinking plates, the jacket structure adjustment or the repetitive design caused by the change of water depth and the offshore leveling operation caused by the unevenness of the seabed are avoided, the overall standardization of jacket design, construction and installation is facilitated, the overall improvement of design and construction efficiency can be realized, and the design construction cost is greatly reduced.
Drawings
Fig. 1 is a schematic view of the connection position of three anti-sinking plate modules and a cross brace of the invention;
fig. 2 is one embodiment of a first anti-settling plate module of the present invention;
fig. 3 is a second embodiment of the first anti-settling plate module of the present invention;
fig. 4 is one of the embodiments of the second anti-settling plate module of the present invention;
fig. 5 is a second embodiment of a second anti-settling plate module according to the present invention;
FIG. 6 is one embodiment of a third heave plate module of the invention;
FIG. 7 is a second embodiment of a third sinking plate module of the present invention;
fig. 8 is a schematic view of the installation of the anti-settling plate of the present invention.
The main reference numbers in the figures illustrate:
1-anti-sinking plate, 2-jacket, 3-cross brace, 4-connecting plate, 5-connecting column, 6-fourth supporting beam, 11-first anti-sinking plate module, 12-second anti-sinking plate module, 13-third anti-sinking plate module, 111-first bottom plate, 112-first supporting beam, 113-clamping groove, 121-second bottom plate, 122-second supporting beam, 123-groove, 131-third floor and 132-third supporting beam.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Fig. 1 is a schematic view of the connection positions of three anti-settling plate modules and a cross brace according to the present invention, and fig. 8 is a schematic view of the installation of the anti-settling plate according to the present invention, and as shown in fig. 1 and 8, an anti-settling plate 1 is arranged between a jacket 2 and a seabed, and includes an anti-settling plate module connected to the cross brace 3 on a horizontal layer at the bottom of the jacket 2, the anti-settling plate module includes a bottom plate supported on the seabed, a support beam arranged on the upper surface of the bottom plate, and a connection structure for connecting the cross brace 3, the anti-settling plate module is at least one of a first anti-settling plate module 11, a second anti-settling plate module 12, and a third anti-settling plate module 13, the first anti-settling plate module 11 includes a first bottom plate 111, a first support beam 112, and a clamping groove 113, and the cross brace 3 is fixed in the clamping groove 113 to connect the first bottom plate 111 and; the second anti-sinking plate module 12 comprises a second bottom plate 121, a second supporting beam 122 and a groove 123 arranged in the second supporting beam 122, and the wale 3 is fixed in the groove 123 and connected with the second supporting beam 122; the third sinking prevention plate module 13 includes a third bottom plate 131, a third support beam 132, and a support member disposed to connect the wale 3 and the third support beam 132 in a direction away from the third bottom plate 131.
Different kinds of anti-settling plate modules are suitable for different submarine environments:
when delta H is less than D/2, a first anti-settling plate module 11 is suitable for use, when the D/2 is less than or equal to delta H and less than D/2+ H, a second anti-settling plate module 12 is suitable for use, when the D/2+ H is less than or equal to delta H and less than or equal to 3000mm, a third anti-settling plate module 13 is suitable for use, wherein the delta H is the difference value between the elevation of the cross brace 3 and the elevation of the seabed mud surface line, namely the span value of each position between the cross brace 3 and the seabed, the elevation value of the mud surface line is the elevation value of the bottom plate of each anti-settling plate module, D is the diameter of the cross brace 3, and H is the height of a support beam in the anti-settling plate;
according to the practical situation, the first anti-sinking plate modules 11, the second anti-sinking plate modules 12 and the third anti-sinking plate modules 13 are combined and arranged, so that the final elevations of the first bottom plate 111, the second bottom plate 121 and the third bottom plate 131 are consistent with the elevations of the mud surface lines at all positions, and the stable support of the jacket 2 on the seabed is realized.
Fig. 2 is one of the embodiments of the first anti-settling plate module of the present invention, fig. 3 is a second embodiment of the first anti-settling plate module of the present invention, as shown in fig. 2 and fig. 3, the first bottom plate 111 of the first anti-settling plate module 11 is located between the wale 3 and the seabed, the elevation of the wale 3 of the horizontal layer at the bottom of the jacket 2 in fig. 2 is equal to the elevation of the mud level line, the wale 3 is tangent to the lower surface of the first bottom plate 111 in fig. 3, and the difference between the elevation of the mud level line and the elevation of the wale 3 is smaller than the radius of the wale 3.
Fig. 4 is one of the embodiments of the second anti-settling plate module of the present invention, fig. 5 is a second of the embodiments of the second anti-settling plate module of the present invention, further, as shown in fig. 4 and 5, the groove 123 opens toward the jacket 2 and away from the second bottom plate 121, and the depth of the groove 123 is less than or equal to the height of the second support beam 122, the wale 3 is spaced apart from the seabed by the second bottom plate 121, as shown in fig. 4, when the difference between the elevation of the wale 3 and the elevation of the mudline is equal to the radius of the wale 3, the wale 3 is tangent to the upper surface of the second bottom plate 121.
In one embodiment of the present invention, the areas of the first substrate 111, the second substrate 121, and the third substrate 123 are the same or different.
As shown in fig. 4 and 5, the wale 3 is welded to the groove 123, and the shape of the groove 123 matches the outer wall profile of the wale 3.
Fig. 6 is one of the embodiments of the third anti-settling plate module of the present invention, fig. 7 is a second embodiment of the third anti-settling plate module of the present invention, specifically, the supporting member is a connecting plate 4 or a connecting column 5, as shown in the embodiment shown in fig. 6, the supporting member in the third anti-settling plate module 13 is a connecting plate 4, two connecting plates 4 are symmetrically disposed on two sides of the wale 3, two ends of each connecting plate 4 are respectively welded with the wale 3 and the third supporting beam 132, and the third anti-settling plate module 13 with the connecting plate 4 as the supporting member is suitable for the case that D/2+ H is less than or equal to Δ H < D/2+ H +200 mm; as shown in the embodiment shown in fig. 7, when D/2+ H +200mm ≤ Δ H ≤ 3000mm, the supporting member in the third sinking plate module 13 is a connecting column 5, and the two ends of the connecting column 5 are respectively welded with the cross brace 3 and the third supporting beam 132, in this embodiment, a fourth supporting beam 6 for strengthening is directly below the connecting column 5.
The invention also provides a method for adapting the jacket 2 to water depth change and seabed unevenness, which comprises the following steps:
s1: selecting a jacket 2 according to the water depth of the water area where the jacket 2 is installed and the platform scale;
s2: measuring the water depth value of each position of the installation area of the jacket 2, thereby obtaining the sea bottom mud surface line elevation of the installation area of the anti-sinking plate 1;
s3: calculating the difference value between the elevation of the cross brace 3 and the elevation of the seabed mud surface line to obtain the span value delta h of each position between the cross brace 3 and the seabed, and comparing the span value delta h with the application ranges of the first anti-sinking plate module 11, the second anti-sinking plate module 12 and the third anti-sinking plate module 13:
when delta H is less than D/2, the first anti-sinking plate module 11 is suitable for use, when the D/2 is less than or equal to the delta H and less than the D/2+ H, the second anti-sinking plate module 12 is suitable for use, when the D/2+ H is less than or equal to the delta H and less than or equal to 3000mm, the third anti-sinking plate module 13 is suitable for use, preferably, when the D/2+ H is less than or equal to the delta H and less than the D/2+ H +200mm, the connecting plate 4 can be selected as the supporting piece of the third anti-sinking plate module 13, and when the D/2+ H +200mm is less than or equal to the delta H and less than or equal to 3000mm, the connecting column 5 is preferably selected as the supporting piece of the third anti-sinking plate module 13, wherein D is the diameter of;
s4: according to the span value delta h of each position between the cross brace 3 and the seabed, a first anti-sinking plate module 11, a second anti-sinking plate module 12 and a third anti-sinking plate module 13 of each position between the cross brace 3 and the seabed are manufactured and are correspondingly welded and fixed on the cross brace 3;
s5: and integrally lowering the anti-sinking plate 1 and the jacket 2 to the mounting position of the jacket 2, so that the anti-sinking plate 1 is adaptive to water depth change and seabed flatness.
The anti-settling plate 1 of the present invention comprises three anti-settling plate modules adapted for different seabed environments: the first anti-sinking plate module 11, the second anti-sinking plate module 12 and the third anti-sinking plate module 13 are different from the combination part of the horizontal layer cross brace 3 at the bottom of the jacket 2. According to the method for adjusting the jacket 2 to adapt to the water depth change by using the anti-sinking plate 1, the water depths of a plurality of ocean platforms in the same oil field group generally do not change greatly, and for the platforms with the same or similar scales, the small-amplitude change (for example, 0 to 3 meters) of the water depths can be adjusted to adapt to the water depth change by using the anti-sinking plate 1; and in the middle and later stages of jacket 2 design, after the water depth data of the platform where jacket 2 is located is determined, the water depth data change of jacket 2 in the early stage and the middle and later stages of design can be adjusted and adapted through anti-sinking plate 1, and the standardized design of the same or similar platform jacket 2 in the same oil field group scale is realized.
The method for adjusting the jacket 2 to adapt to the seabed unevenness by using the anti-sinking plate 1 is characterized in that anti-sinking plate modules connected to the cross braces 3 at the bottom of the jacket 2 are selected in advance according to the seabed environment of the installation part of the actual jacket 2, the anti-sinking plate modules are manufactured according to the actual situation, the first anti-sinking plate module 11 is suitable for the situation that the cross braces 3 contact the bottom plate, the second anti-sinking plate module 12 is suitable for the situation that the cross braces 3 contact the supporting beams and are above the bottom plate, and the third anti-sinking plate module 13 is suitable for the situation that the cross braces 3 are suspended above the supporting beams, so that extra supporting pieces are needed for connection and support, and a plurality of three modules are combined for use to realize that the jacket 2 adapts to the seabed unevenness and the water depth change.
It should be understood that the anti-settling plate 1 of the present invention may be composed of a plurality of anti-settling plate modules of the same kind, or may be composed of anti-settling plate modules of different kinds, and the area of the bottom plate of each anti-settling plate module is adapted to the seabed environment, fig. 8 is an installation schematic diagram of the anti-settling plate of the present invention, as shown in fig. 8, in this embodiment, a standardized jacket 2 designed for the sea area range is adopted, the elevation of the horizontal layer cross brace 3 at the bottom of the jacket 2 is-25.4 m, and the depth of the relevant sea area is 28.4 m, because the sea bottom is relatively flat in this embodiment, the offshore construction requirement is met, the anti-settling plate 1 is completely composed of the third anti-settling plate module 13, the elevations of the anti-settling plates 1 are kept the same, and the vertical span of the anti-settling plates 1 and the cross brace 3 is set to be 3.0 m, so that the jacket 2 is.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. An anti-sinking plate is arranged between a jacket and a seabed, and is characterized in that: the anti-sinking plate module comprises a bottom plate supported on a seabed, a supporting beam arranged on the upper surface of the bottom plate and a connecting structure used for connecting the cross support, the anti-sinking plate module is at least one of a first anti-sinking plate module, a second anti-sinking plate module and a third anti-sinking plate module, the first anti-sinking plate module comprises a first bottom plate, a first supporting beam and a clamping groove, and the cross support is fixed in the clamping groove and is connected with the first bottom plate and the first supporting beam; the second anti-sinking plate module comprises a second bottom plate, a second supporting beam and a groove arranged in the second supporting beam, and the cross brace is fixed in the groove and connected with the second supporting beam; the third sinking prevention plate module comprises a third bottom plate, a third supporting beam and a supporting piece, wherein the supporting piece is arranged in a direction deviating from the third bottom plate and connected with the cross brace and the third supporting beam.
2. The anti-settling plate of claim 1, wherein: in the first anti-sinking plate module, the first bottom plate is positioned between the cross brace and the seabed.
3. The anti-settling plate of claim 1, wherein: the groove opens toward the jacket and away from the second floor, and the depth of the groove is less than the height of the second support beam.
4. The anti-settling plate of claim 1, wherein: the first bottom plate, the second bottom plate and the third bottom plate have the same or different areas.
5. The anti-settling plate of claim 1, wherein: the cross brace is connected with the groove in a welding mode.
6. The anti-settling plate of claim 1, wherein: the shape of the groove is matched with the outline of the outer wall of the cross brace.
7. The anti-settling plate of claim 1, wherein: the support piece is a connecting plate or a connecting column.
8. The anti-settling plate of claim 6, wherein: the two connecting plates are symmetrically arranged on two sides of the cross brace, and two ends of each connecting plate are respectively connected with the cross brace and the third supporting beam in a welding mode.
9. A method for adapting a jacket to water depth variations and seafloor unevenness, comprising the steps of:
s1: selecting a jacket according to the water depth of a jacket installation water area and the platform scale;
s2: measuring the water depth value of each position of the jacket installation area, thereby obtaining the sea bottom mud surface line elevation of the anti-sinking plate installation area;
s3: calculating the difference value between the elevation of the cross brace and the elevation of the mud surface line of the seabed to obtain a span value delta h of each position between the cross brace and the seabed, and comparing the span value delta h with the application ranges of the first anti-settling plate module, the second anti-settling plate module and the third anti-settling plate module in any one of claims 1 to 8:
when delta H is less than D/2, using a first anti-sinking plate module, when the D/2 is more than or equal to delta H and less than D/2+ H, using a second anti-sinking plate module, and when the D/2+ H is more than or equal to delta H and less than or equal to 3000mm, using a third anti-sinking plate module, wherein D is the diameter of a horizontal layer cross brace at the bottom of the jacket, and H is the height of a supporting beam in the anti-sinking plate;
s4: manufacturing a first anti-sinking plate module, a second anti-sinking plate module and a third anti-sinking plate module at each position between the cross brace and the seabed according to the span value delta h at each position between the cross brace and the seabed, and correspondingly welding and fixing the first anti-sinking plate module, the second anti-sinking plate module and the third anti-sinking plate module on the cross brace;
s5: and integrally lowering the anti-sinking plate and the jacket to the mounting position of the jacket platform to adapt to the water depth change and the seabed flatness.
10. A method of accommodating water depth variations and seafloor unevennesses in a jacket as claimed in claim 9, wherein: when D/2+ H is not less than delta H and is less than D/2+ H +200mm, the support piece of the third sinking plate module is a connecting plate, and when D/2+ H +200mm is not less than delta H and is not less than 3000mm, the support piece of the third sinking plate module is a connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997072.3A CN112554160A (en) | 2020-09-21 | 2020-09-21 | Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997072.3A CN112554160A (en) | 2020-09-21 | 2020-09-21 | Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112554160A true CN112554160A (en) | 2021-03-26 |
Family
ID=75041102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010997072.3A Pending CN112554160A (en) | 2020-09-21 | 2020-09-21 | Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112554160A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606382A (en) * | 2021-08-20 | 2021-11-05 | 中国海洋石油集团有限公司 | Pipe pillow for deepwater submarine pipeline |
| CN114645533A (en) * | 2022-03-25 | 2022-06-21 | 中国海洋石油集团有限公司 | Novel ocean jacket sits end temporary support thing |
| WO2023020381A1 (en) * | 2021-08-19 | 2023-02-23 | 中交第三航务工程局有限公司 | Fabricated platform for offshore wind power monopile rock-socketed foundation construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307977A (en) * | 1980-05-23 | 1981-12-29 | Mcdermott Incorporated | Removable mudmat and method of use on soft floor |
| WO1999042666A2 (en) * | 1998-02-20 | 1999-08-26 | Stuck In The Mud Limited Partnership | Mudmats for offshore platform support |
| CN109056684A (en) * | 2018-09-21 | 2018-12-21 | 中国电建集团华东勘测设计研究院有限公司 | The split type jacket structure of Large marine platform and its installation method of the installation of support method are floated suitable for shallow sea water |
| CN109518710A (en) * | 2018-11-19 | 2019-03-26 | 熊翱 | A kind of polygonal jacket basis and its construction method for ocean engineering |
| 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 |
| CN111395294A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Anti-sinking plate device and using method |
| CN111395293A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Ultra-deep water jacket platform |
-
2020
- 2020-09-21 CN CN202010997072.3A patent/CN112554160A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307977A (en) * | 1980-05-23 | 1981-12-29 | Mcdermott Incorporated | Removable mudmat and method of use on soft floor |
| WO1999042666A2 (en) * | 1998-02-20 | 1999-08-26 | Stuck In The Mud Limited Partnership | Mudmats for offshore platform support |
| CN109056684A (en) * | 2018-09-21 | 2018-12-21 | 中国电建集团华东勘测设计研究院有限公司 | The split type jacket structure of Large marine platform and its installation method of the installation of support method are floated suitable for shallow sea water |
| CN109518710A (en) * | 2018-11-19 | 2019-03-26 | 熊翱 | A kind of polygonal jacket basis and its construction method for ocean engineering |
| 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 |
| CN111395294A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Anti-sinking plate device and using method |
| CN111395293A (en) * | 2020-03-27 | 2020-07-10 | 中国海洋石油集团有限公司 | Ultra-deep water jacket platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020381A1 (en) * | 2021-08-19 | 2023-02-23 | 中交第三航务工程局有限公司 | Fabricated platform for offshore wind power monopile rock-socketed foundation construction |
| CN113606382A (en) * | 2021-08-20 | 2021-11-05 | 中国海洋石油集团有限公司 | Pipe pillow for deepwater submarine pipeline |
| CN114645533A (en) * | 2022-03-25 | 2022-06-21 | 中国海洋石油集团有限公司 | Novel ocean jacket sits end temporary support thing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112554160A (en) | Method for adapting anti-sinking plate and jacket to water depth change and seabed unevenness | |
| EP2231469B1 (en) | Method for installing an offshore wind turbine and a barge system | |
| US6299385B1 (en) | Mini-jacket and method for installation using caisson | |
| PT1228310E (en) | Method and system for installing and transporting an offshore wind power station at sea | |
| SG177019A1 (en) | Movable brace frame for self-installing platform | |
| CN101881007A (en) | Method for disassembling and assembling superaqueous bridge | |
| US5988949A (en) | Offshore jacket installation | |
| EP0795648B1 (en) | Offshore production platform | |
| US5669735A (en) | Offshore production platform and method of installation thereof | |
| CN112127380A (en) | Leveling method for jacket foundation of shallow sea offshore booster station | |
| CN110937075B (en) | FPSO module and integrated installation process | |
| US4784526A (en) | Arctic offshore structure and installation method therefor | |
| KR101205576B1 (en) | Pile Construction Apparatus to support Horizontal Stability on Irregular Sea-Bed | |
| WO2004074086A1 (en) | Method for installing a self-floating deck structure onto a buoyant substructure | |
| CN110435846B (en) | High-precision semi-submersible ship immersed tube base body, and prefabricating construction platform and construction method thereof | |
| KR101341753B1 (en) | Manufacturing method for offshore wind power system on land and construction method for the same | |
| US20040159276A1 (en) | Method for installing a self-floating deck structure onto a buoyant substructure | |
| EP2432938B1 (en) | Method for installing a topside module on an offshore support structure | |
| CN113006029A (en) | Construction leveling method for jacket foundation of booster station | |
| US7503728B2 (en) | Stabilized floating support | |
| US20100054863A1 (en) | Flex-Leg Offshore Structure | |
| US11131073B2 (en) | Method for foundation of a transformer platform and transformer platform with at least three piles | |
| CN106741700B (en) | Ship-supported single-column type offshore exploration platform | |
| EP1167177A1 (en) | Offshore platform | |
| US20100166503A1 (en) | Flex-leg Offshore Structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |
|
| RJ01 | Rejection of invention patent application after publication |