CN217896438U

CN217896438U - Offshore operation platform with adjustable height

Info

Publication number: CN217896438U
Application number: CN202221351791.9U
Authority: CN
Inventors: 樊敦秋; 初新杰; 于丽萍; 于超; 史永晋; 崔希君; 李森
Original assignee: Sinopec Oilfield Service Corp; Sinopec Shengli Petroleum Engineering Corp; Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Corp
Current assignee: Sinopec Oilfield Service Corp; Sinopec Shengli Petroleum Engineering Corp; Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Corp
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-25
Anticipated expiration: 2032-05-31

Abstract

The utility model provides an offshore operation platform of adjustable height. The offshore operation platform comprises a platform deck, pile legs and an installation foundation, wherein the pile legs comprise telescopic sleeves which are mutually sleeved, a first positioning assembly for preliminarily positioning the positions of the adjacent telescopic sleeves and a second positioning assembly for further positioning the positions of the adjacent telescopic sleeves, the first positioning assembly comprises a positioning ball, the second positioning assembly comprises a positioning pin, and the positioning ball and the positioning pin are positioned between the adjacent telescopic sleeves when the telescopic sleeves extend to a preset position. The utility model has the advantages of low difficulty in transportation and installation, wide application range, stable structure and the like.

Description

Offshore operation platform with adjustable height

Technical Field

The utility model relates to an offshore operation platform technical field especially relates to an offshore operation platform of adjustable height.

Background

In the development process of offshore marginal oil fields, the existing offshore operation platforms usually adopt fixing piles as pile legs, and the offshore operation platforms are usually installed on land and transported to a well position through barges to be fixed in place below the well position. Because the pile legs are fixed piles, the size of the offshore operation platform is large, a large deck barge is needed during transportation of the offshore operation platform, a large offshore floating crane is needed during fixing, the offshore installation construction period is long, the efficiency is low, and the cost is high. Meanwhile, the setting form of the fixing piles cannot adapt to marine environments with different depths, the universality is poor, and the fixing piles are not suitable for the development requirements of different marine environments of marginal oil fields.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, it is low to provide a transportation installation degree of difficulty, and application scope is wide, and stable in structure's offshore operation platform of adjustable height.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides an offshore operation platform of adjustable height, includes from last platform deck, spud leg and the installation basis that connects gradually extremely down, the spud leg is including the flexible cover that cup joints each other, tentatively fix a position the first locating component of adjacent flexible cover position to and further fix a position the second locating component of adjacent flexible cover position, first locating component is including the location ball, second locating component includes the locating pin, the location ball with the locating pin extends to predetermineeing the position time limit at flexible cover and is located adjacently between the flexible cover.

As a further improvement of the technical scheme:

the first positioning assembly further comprises a sphere mounting block and an elastic piece mounted in the sphere mounting block, and the sphere mounting block is mounted on the telescopic sleeve positioned on the outer side; the elastic piece is arranged along the radial direction of the telescopic sleeve and abuts against the outer side end of the positioning ball; the positioning ball is arranged in the ball body mounting block and can move along the radial direction of the telescopic sleeve under the action force of the elastic piece.

The location ball is a plurality of, and is a plurality of the location ball is followed the circumference evenly distributed of telescope tube.

The second positioning assembly further comprises a rotating shaft, a driving part and a mounting table, wherein the positioning pin is vertically mounted on the inner side of the rotating shaft and moves along the radial direction of the telescopic sleeve under the action of the rotating shaft; the driving part is connected with the rotating shaft, and both the driving part and the rotating shaft are arranged on the mounting table; the mounting table is mounted on the telescopic sleeve positioned on the outer side.

The driving component comprises a pull rope and a driving motor, two ends of the pull rope are respectively connected with the driving motor and the rotating shaft, and the driving motor is installed on the installation table.

The locating pin is a plurality of, and is a plurality of the locating pin is followed the circumference evenly distributed of telescope tube to all install in same on the mount table.

The telescopic sleeves positioned on the inner sides are provided with sphere positioning holes, and pin holes are formed in the sleeving positions of the adjacent telescopic sleeves; when the telescopic sleeve extends to a preset position, the positioning balls move radially inwards into the ball positioning holes, and the positioning pins are inserted into the pin holes of the adjacent telescopic sleeves.

The diameter of the sphere positioning hole is larger than that of the pin hole.

The telescopic sleeve is a cylindrical telescopic sleeve, and the diameter of the telescopic sleeve is reduced from bottom to top in sequence.

It is adjacent all be equipped with the connection stull between the spud leg, it includes a plurality of edges to connect the stull reinforcement beam that the vertical direction of spud leg arranged.

Compared with the prior art, the utility model has the advantages of:

the pile legs of the utility model are telescopic sleeves which are mutually sleeved, so that the offshore operation platform is in a contraction state during transportation and hoisting, at the moment, the offshore operation platform occupies a small space, a large barge and a large floating crane are not needed for auxiliary operation, the requirements on the barge and the offshore floating crane are low, and the difficulty of platform transportation and installation is greatly reduced; and the offshore operation platform can be adjusted to a preset position during operation, so that the offshore operation platform is suitable for offshore marginal oil field development in different depths and water areas, has a wide application range, and can realize the reutilization of the offshore operation platform.

Simultaneously, be equipped with the first locating component of the adjacent flexible cover position of preliminary location and the second locating component of the adjacent flexible cover position of further location between the adjacent flexible cover, the mode of dual location has guaranteed the reliable fixed of adjacent flexible inter-sleeve when realizing offshore operation platform modularization equipment demand for offshore operation platform structural stability is high. Meanwhile, the first positioning assembly comprises a positioning ball, the second positioning assembly comprises a positioning pin, and the positioning ball and the positioning pin are positioned between the adjacent telescopic sleeves when the telescopic sleeves extend to the preset positions.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 is a schematic structural diagram of the height-adjustable offshore operation platform of the present invention.

Fig. 2 isbase:Sub>A sectional view of sectionbase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is a sectional view of section B-B of fig. 1.

Fig. 4 is an enlarged view of the portion C of fig. 1.

Fig. 5 is an enlarged view of a portion D of fig. 1.

Fig. 6 is an enlarged view of a portion E of fig. 1.

The reference numerals in the figures denote:

1. a platform deck; 2. pile legs; 21. a telescopic sleeve; 211. positioning holes of the ball body; 22. a first positioning assembly; 221. a positioning ball; 222. a sphere mounting block; 223. an elastic member; 23. a second positioning assembly; 231. positioning pins; 232. a rotating shaft; 233. a mounting table; 234. pulling a rope; 235. a drive motor; 24. a pin hole; 3. Installing a foundation; 4. the cross beam is reinforced.

Detailed Description

The present invention will be described in further detail with reference to the drawings and specific examples, but the scope of the present invention is not limited thereto.

As shown in figure 1, the embodiment of the offshore operation platform with adjustable height of the utility model can meet the operation requirements of offshore drilling, well repair, oil extraction and the like. In this embodiment, the offshore operation platform includes platform deck 1, spud leg 2 and installation basis 3 that connect gradually from top to bottom. The leg 2 includes a telescopic sleeve 21, a first positioning component 22 and a second positioning component 23 which are sleeved with each other. The first positioning assembly 22 comprises a positioning ball 221, the second positioning assembly 23 comprises a positioning pin 231, the positioning ball 221 and the positioning pin 231 are located between the adjacent telescopic sleeves 21 when the telescopic sleeves 21 extend to the preset position, the positioning ball 221 is used for preliminarily positioning the positions of the adjacent telescopic sleeves 21, and the positioning pin 231 is used for further positioning the positions of the adjacent telescopic sleeves 21.

The pile leg 2 of the utility model is provided with the telescopic sleeves 21 which are mutually sleeved, so that the offshore operation platform is in a contraction state during transportation and hoisting, at the moment, the occupied space of the offshore operation platform is small, the auxiliary operation of a large barge and a large floating crane is not needed, the requirement on the barge and the floating crane is low, and the difficulty of platform transportation and installation is greatly reduced; and the offshore operation platform can be adjusted to a preset position during operation, so that the offshore operation platform is suitable for offshore marginal oil field development in different depths and water areas, has a wide application range, and can realize the reutilization of the offshore operation platform.

Simultaneously, be equipped with the first locating component 22 of the adjacent flexible cover 21 position of preliminary location and the second locating component 23 of the adjacent flexible cover 21 position of further location between the adjacent flexible cover 21, the mode of dual location has guaranteed the reliable fixed between adjacent flexible cover 21 when realizing the marine work platform modularization equipment demand for marine work platform structural stability is high. Meanwhile, the first positioning assembly 22 comprises the positioning ball 221, the second positioning assembly 23 comprises the positioning pin 231, and the positioning ball 221 and the positioning pin 231 are located between the adjacent telescopic sleeves 21 when the telescopic sleeves 21 extend to the preset position.

As shown in fig. 1 and 6, the first positioning assemblies 22 between the adjacent telescopic sleeves 21 are in one group, and the second positioning assemblies 23 are in two groups. Along the length direction of spud leg 2, first locating component 22 locates between two sets of second locating component 23, and it has further guaranteed the reliable fixed of adjacent telescope tube 21, has improved the stability of offshore operation platform structure. In other embodiments, the number and arrangement positions of the first positioning components 22 and the second positioning components 23 can be adjusted according to actual conditions.

Further, the first positioning assembly 22 further includes a ball mounting block 222 and an elastic member 223. As shown in fig. 3 and 4, the ball mounting block 222 is mounted on the telescopic sleeve 21 located at the outer side; the elastic member 223 is installed in the sphere installation block 222, and the elastic member 223 is arranged along the radial direction of the telescopic sleeve 21 and abuts against the outer end of the positioning ball 221; the detent ball 221 is mounted in the ball mounting block 222. Before the adjacent telescopic sleeves 21 are positioned, the inner sides of the positioning balls 221 are abutted against the outer surfaces of the telescopic sleeves 21 positioned on the inner sides; when adjacent telescopic sleeve 21 is fixed a position, location ball 221 moves radially inwards along telescopic sleeve 21 under the effort of elastic component 223, with the spacing cooperation of the telescopic sleeve 21 that is located the inboard, and it has realized the reliable preliminary location of adjacent telescopic sleeve 21, and location structure is simple, occupation space is little.

In this embodiment, the number of the positioning balls 221 is four, and the four positioning balls 221 are uniformly distributed along the circumferential direction of the telescopic sleeve 21, so as to further ensure reliable initial positioning of the adjacent telescopic sleeves 21. In other embodiments, the number of positioning balls 221 may be adjusted according to actual situations, such as three, five, etc. In this embodiment, the positioning ball 221 is a positioning steel ball.

Further, the second positioning assembly 23 further includes a rotation shaft 232, a driving member, and a mounting table 233. As shown in fig. 2 and 5, the positioning pin 231 is vertically installed inside the rotating shaft 232, and the positioning pin 231 moves along the radial direction of the telescopic sleeve 21 under the action of the rotating shaft 232 to realize the limit fixing of the adjacent telescopic sleeves 21. The driving member is connected to the rotation shaft 232 to provide a force for rotating the rotation shaft 232; the driving member and the rotating shaft 232 are mounted on the mounting table 233. The mounting table 233 is mounted on the telescopic sleeve 21 on the outside for component mounting and human operation. The utility model discloses a reliable quick location of locating pin 231 can be realized to second locating component 23, and the overall arrangement is compact, occupation space is little.

Further, the drive components include a pull cord 234 and a drive motor 235. The two ends of the pulling rope 234 are connected with a driving motor 235 and a rotating shaft 232 respectively, and the driving motor 235 is installed on the installation table 233. When adjacent telescopic sleeve 21 is fixed, driving motor 235 drives stay cord 234, and axis of rotation 232 passes through the stay cord 234 effect and becomes upright state by empting the state, and at this moment, locating pin 231 alternates in the pinhole 24 of adjacent telescopic sleeve 21, can accomplish adjacent telescopic sleeve 21's fixed fast, its convenient operation, simple structure.

In this embodiment, the number of the positioning pins 231 is four, the four positioning pins 231 are uniformly distributed along the circumference of the telescopic sleeve 21, and the four positioning pins 231 are all mounted on the same mounting table 233. In other embodiments, the number of the positioning pins 231 may be adjusted according to actual situations, such as three, five, etc.

As shown in fig. 4, the telescopic sleeve 21 located inside is provided with a sphere positioning hole 211. As shown in fig. 5, pin holes 24 are provided at the sleeving positions of the adjacent telescopic sleeves 21. When the telescopic sleeve 21 extends to a preset position, the positioning ball 221 moves radially inward into the ball positioning hole 211, and the positioning pin 231 is inserted into the pin hole 24 of the adjacent telescopic sleeve 21. In this embodiment, the diameter of the ball positioning hole 211 is larger than the diameter of the pin hole 24, so that the positioning ball 221 cannot move into the pin hole 24 for positioning during initial positioning, thereby ensuring the dual positioning function between the adjacent telescopic sleeves 21.

In this embodiment, the telescopic sleeve 21 is a cylindrical telescopic sleeve, and the diameter of the telescopic sleeve 21 is reduced from bottom to top in sequence. So that the bottom end of the upper telescopic sleeve 21 is positioned in the lower telescopic sleeve 21, and the effective sleeving and reliable stretching of the adjacent telescopic sleeves 21 are ensured.

As shown in fig. 1, connecting cross braces are arranged between adjacent pile legs 2. The connecting wale includes a plurality of reinforcement crossbeams 4, and reinforcement crossbeams 4 arranges along vertical direction, and it has effectively strengthened the support intensity of spud leg 2. Furthermore, an inclined support beam is arranged between two adjacent connecting beams at the bottom side to further enhance the support strength of the pile leg 2.

In this embodiment, the reinforcement beam 4 is welded and fixed between the adjacent legs 2. Meanwhile, the two ends of the pile leg 2 are welded and fixed with the platform deck 1 and the installation foundation 3.

In this embodiment, the specific installation method of the offshore operation platform is as follows: installing the offshore operation platform as a whole on land and transporting the offshore operation platform to a preset position by a barge; the floating crane is used for integral hoisting, after the floating crane sinks to the depth below the mud surface by self weight, the installation foundation 3 forms a sealing condition and sinks by pumping suction until the preset depth is reached, and then the offshore operation platform is fixed; lifting the pile leg 2 from the top by a floating crane, when the pile leg 2 is lifted to a preset position, extending out of the positioning ball 221 to preliminarily position the adjacent telescopic sleeve 21 positioned at the topmost part, then controlling the driving motor 235 to act, driving the pull rope 234 by the driving motor 235, changing the tilting state into the vertical state by the action of the pull rope 234 by the rotating shaft 232, and inserting the positioning pin 231 into the pin hole 24 of the adjacent telescopic sleeve 21 at the topmost part, namely completing the fixation of the adjacent telescopic sleeve 21; the floating crane continues to lift the pile legs 2, and the steps are repeated, so that the adjacent telescopic sleeves 21 are fixed from top to bottom in sequence, and the integral installation of the offshore operation platform can be realized. Meanwhile, after the development of the marginal oil field development area is completed, the offshore operation platform can be moved to other oil field development areas for recycling through the movement of the installation foundation 3.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an offshore operation platform of adjustable height, includes from last to the platform deck, spud leg and the installation basis that connects gradually extremely down, its characterized in that, the spud leg is including the first locating component of the flexible cover that cup joints each other, the adjacent flexible cover position of preliminary location to and the second locating component of the adjacent flexible cover position of further location, first locating component is including the location ball, second locating component includes the locating pin, the location ball with the locating pin extends to predetermine the position time limit at flexible cover and is located adjacently between the flexible cover.

2. The adjustable height offshore work platform of claim 1, wherein the first positioning assembly further comprises a ball mounting block mounted to the telescoping sleeve on the outside and a resilient member mounted within the ball mounting block; the elastic piece is arranged along the radial direction of the telescopic sleeve and is abutted to the outer side end of the positioning ball; the positioning ball is arranged in the ball body mounting block and can move along the radial direction of the telescopic sleeve under the action force of the elastic piece.

3. The offshore height adjustable work platform of claim 2, wherein the plurality of positioning balls are evenly distributed along the circumference of the telescoping sleeve.

4. The offshore height adjustable work platform according to any of claims 1 to 3, wherein the second positioning assembly further comprises a rotating shaft, a driving member and a mounting platform, wherein the positioning pin is vertically mounted inside the rotating shaft and moves in a radial direction of the telescopic sleeve under the action of the rotating shaft; the driving part is connected with the rotating shaft, and both the driving part and the rotating shaft are arranged on the mounting table; the mounting table is mounted on the telescopic sleeve positioned on the outer side.

5. The offshore height adjustable work platform of claim 4, wherein the driving member comprises a pulling rope and a driving motor, the two ends of the pulling rope are respectively connected with the driving motor and the rotating shaft, and the driving motor is mounted on the mounting platform.

6. The offshore height adjustable work platform of claim 4, wherein the plurality of positioning pins are evenly distributed along the circumference of the telescopic sleeve and are all mounted on the same mounting platform.

7. The offshore operation platform with adjustable height of any one of claims 1 to 3, wherein the telescopic sleeves at the inner side are provided with sphere positioning holes, and pin holes are arranged at the sleeving positions of the adjacent telescopic sleeves; when the telescopic sleeve extends to a preset position, the positioning balls move radially inwards into the ball positioning holes, and the positioning pins are inserted into the pin holes of the adjacent telescopic sleeves.

8. The offshore height adjustable platform of claim 7, wherein the ball positioning hole has a diameter greater than the pin hole diameter.

9. The offshore height adjustable work platform according to any of claims 1 to 3, wherein the telescopic sleeves are cylindrical telescopic sleeves, and the diameters of the adjacent telescopic sleeves decrease from bottom to top in sequence.

10. The offshore height adjustable platform according to any of claims 1 to 3, wherein a connecting cross-brace is provided between adjacent legs, the connecting cross-brace comprising a plurality of reinforcing cross-beams arranged vertically along the legs.