Settlement adjusting mechanism for anti-inclination offshore oil platform

Abstract

The utility model provides an anti-tilt offshore oil platform settlement adjusting mechanism which comprises an oil platform assembly and a settlement adjusting assembly, and the oil platform assembly comprises an oil drilling platform, four supporting stand columns and a lower layer operation table; according to the utility model, the four groups of settlement adjusting assemblies are respectively sleeved and assembled on the four supporting stand columns through the bolts, then the assembled settlement adjusting assemblies are pressed into water through the hydraulic driving mechanism, and the settlement adjusting assemblies are locked and fixed on the supporting stand columns through the locking mechanism; therefore, the stability of the offshore oil platform is improved by buoyancy through the settlement adjusting assembly, the dependence of the offshore oil platform on the stability of a seabed geological structure is reduced, the situation that the offshore oil platform inclines and settles due to the geological structure and an extreme natural environment is avoided, and the overall structure is relatively simple; and the existing offshore oil platform does not need to be greatly transformed.

Description

Technical Field

[0001] The utility model relates to an adjusting mechanism, in particular to an anti-tilting offshore oil platform settlement adjusting mechanism, belonging to the technical field of offshore oil platform settlement adjusting technology. Background Art

[0002] An offshore oil platform is a facility used for offshore oil and gas exploration, development and production. They are usually designed as floating or fixed structures that can support drilling equipment, production facilities, living facilities, etc. Depending on different conditions such as water depth, sea conditions, and oil and gas reservoir depth, offshore oil platforms can be of various types, including: fixed platforms, floating production storage and offloading vessels (FPSO), jack-up platforms, semi-submersible platforms, etc.

[0003] A gravity-fixed offshore oil platform is a drilling platform commonly used in shallow waters. It is a device that is fixed to the seabed and above the sea level by means of a jacket or concrete columns and does not move. A deck is laid on the platform to place drilling equipment. However, after the oil platform is put into use, it is affected by factors such as geological structure, construction quality and extreme natural environment. After a long period of use, it is easy to sink and cause the entire platform to tilt.

[0004] Patent No. CN221678943U discloses an anti-tilting marine oil platform settlement adjustment mechanism, which includes an oil platform, a mounting component, a working tower, an anti-trembling component, an operating component, an anti-collision component, a supporting component and a fish-driving component; compared with the traditional marine oil platform settlement adjustment mechanism, the mechanism is arranged so that when the sea waves are large in bad weather, the oil platform is easily tilted to form a safety hazard. The marine oil platform settlement adjustment mechanism can reduce the impact of wind and waves on the oil platform and stabilize the center of gravity of the working tower to prevent the working tower from collapsing by arranging multiple groups of protection structures; however, its overall structure is too complicated, and the marine oil platform needs to be designed in a targeted manner, and it cannot be modified on the basis of the existing oil platform. Therefore, an anti-tilting marine oil platform settlement adjustment mechanism is proposed. Utility Model Content

[0005] In view of this, the utility model provides an anti-tilting offshore oil platform settlement adjustment mechanism to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the utility model is implemented as follows: an anti-tilting offshore oil platform settlement adjustment mechanism includes an oil platform assembly and a settlement adjustment assembly, wherein the oil platform assembly includes an oil drilling platform, four supporting columns and a lower operating platform;

[0007] Among them, the four support columns are all fixedly connected to the bottom of the oil drilling platform. The lower operating platform is fixedly connected to the bottoms of the outer sidewalls of the four support columns. Four settlement adjustment components are sleeved outside the four support columns. The four settlement adjustment components are used in combination in pairs. A hydraulic driving mechanism is installed between the oil drilling platform and the lower operating platform. A number of locking mechanisms are installed between the settlement adjustment components and the support columns;

[0008] Among them, the four settlement adjustment components all adopt a broad flat-bottom design to increase the stability of the offshore oil platform by using buoyancy and reduce the dependence of the offshore oil platform on the stability of the seabed geological structure. The four settlement adjustment components all include two support plate frames, a protective net and an air bag;

[0009] Among them, the protective net is fixedly connected between the two support plate frames. The air bag is arranged inside the protective net and fixedly connected to one side of one of the support plate frames;

[0010] Among them, the hydraulic driving mechanism is used to drive the settlement adjustment components to sink into the sea water along the direction of the support columns;

[0011] Among them, the locking mechanism is used to lock and fix the settlement adjustment components on the support columns.

[0012] Further preferably, the four settlement adjustment components also include four snap rings and a carrier frame;

[0013] Among them, the carrier frame is fixedly connected to the upper surface of one of the support plate frames. The four snap rings are symmetrically fixedly connected to both sides of the two support plate frames. The two support plate frames and the four snap rings are all bolted to each other.

[0014] Further preferably, the hydraulic driving mechanism includes a number of hydraulic cylinders, a number of push plates and an inner support column;

[0015] Among them, the number of hydraulic cylinders are all installed between the oil drilling platform and the lower operating platform. The number of push plates are all fixedly connected to the piston rods of the number of hydraulic cylinders. The inner support column is fixedly connected to the middle of the adjacent sides of the two support plate frames.

[0016] Further preferably, the number of locking mechanisms all include a lock box, a locking pin, a spring, a fixing frame, a locking groove and a groove;

[0017] Among them, the lock box is fixedly connected to one side of the snap ring. The outer sidewall of the locking pin is slidably connected to the inner sidewall of the lock box and the snap ring. One end of the spring is fixedly connected to one side of the locking pin, and the other end of the spring is fixedly connected to the inner sidewall of the lock box.

[0018] Further preferably, the fixing frame is fixedly connected to the outer side wall of the support column, and the locking groove is formed on one side of the fixing frame.

[0019] Further preferably, the groove is formed on one side of the inner side wall of the snap ring, and the outer side wall of the fixing frame is slidably connected to the inner side wall of the groove.

[0020] Further preferably, an air injection interface is communicated with the top of the air inflation bag, and a sealing plug is threadedly connected to the inner side wall of the air injection interface.

[0021] Further preferably, a plurality of connecting rods are fixedly connected between every two of the four snap rings, and a climbing frame is installed between the offshore oil drilling platform and the lower operating platform.

[0022] Due to the adoption of the above technical solutions in the embodiments of the present utility model, it has the following advantages: By using bolts, the four groups of settlement adjustment components are respectively sleeved and assembled on the four support columns, and then the assembled settlement adjustment components are pressed into the water by a hydraulic driving mechanism, and the settlement adjustment components are locked and fixed on the support columns by a locking mechanism, so as to increase the stability of the offshore oil platform by using the buoyancy of the settlement adjustment components, reduce the dependence of the offshore oil platform on the stability of the seabed geological structure, avoid the occurrence of the situation that the offshore oil platform inclines and settles due to the geological structure and extreme natural environment, and the overall structure is relatively simple, and there is no need to greatly transform the existing offshore oil platform.

[0023] The above summary is only for the purpose of the specification and is not limited in any way. In addition to the illustrative aspects, embodiments and features described above, other aspects, embodiments and features of the present utility model will be readily apparent by referring to the drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0025] Figure 1 is the structural diagram of the present utility model;

[0026] Figure 2 is the cross-sectional structural schematic diagram of the present utility model;

[0027] Figure 3 is the axonometric view of the support plate frame of the present utility model;

[0028] Figure 4 Schematic cross-sectional structure diagram of the snap ring of the present utility model;

[0029] Figure 5 For the present utility model Figure 4 Enlarged schematic diagram of the structure of area A;

[0030] Figure 6 Schematic cross-sectional structure diagram of the air inflation bag of the present utility model.

[0031] Reference numerals: 1, oil platform assembly; 2, settlement adjustment assembly; 3, hydraulic drive mechanism; 4, locking mechanism; 101, oil drilling platform; 102, support column; 103, lower operating platform; 201, support plate frame; 202, protective net; 203, snap ring; 204, air inflation bag; 205, carrier frame; 301, hydraulic cylinder; 302, push plate; 303, inner support column; 401, lock box; 402, locking pin; 403, spring; 404, fixing frame; 405, locking groove; 406, groove; 51, air injection interface; 52, sealing plug; 53, connecting rod; 54, climbing frame. Detailed implementation manners

[0032] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0033] It should be noted that terms such as "first", "second", "symmetric", "array", etc. are only used for the purpose of distinguishing descriptions and position descriptions, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "symmetric", etc. can explicitly or implicitly include one or more of such features; similarly, when certain features are not limited in quantity by words such as "two", "three", etc., it should be noted that such features also belong to explicitly or implicitly including one or more feature quantities.

[0034] The embodiments of the present utility model will be described in detail below with reference to the drawings.

[0035] As Figures 1-6 shown, the embodiment of the present utility model provides a settlement adjustment mechanism for an anti-tilt offshore oil platform, including an oil platform assembly 1 and a settlement adjustment assembly 2. The oil platform assembly 1 includes an oil drilling platform 101, four support columns 102, and a lower operating platform 103;

[0036] Among them, the four support columns 102 are all fixedly connected to the bottom of the oil drilling platform 101. The lower operating platform 103 is fixedly connected to the bottom of the outer sidewalls of the four support columns 102. Four settlement adjustment assemblies 2 are sleeved outside the four support columns 102. The four settlement adjustment assemblies 2 are used in combination in pairs. A hydraulic drive mechanism 3 is installed between the oil drilling platform 101 and the lower operating platform 103. A number of locking mechanisms 4 are installed between the settlement adjustment assemblies 2 and the support columns 102;

[0037] Among them, the four settlement adjustment assemblies 2 all adopt a broad flat-bottom design to increase the stability of the offshore oil platform by using buoyancy and reduce the dependence of the offshore oil platform on the stability of the seabed geological structure. The four settlement adjustment assemblies 2 each include two support plate frames 201, a protective net 202, and an air-filled bag 204;

[0038] Among them, the protective net 202 is fixedly connected between the two support plate frames 201. The air-filled bag 204 is arranged inside the protective net 202 and is fixedly connected to one side of a support plate frame 201;

[0039] Among them, the hydraulic drive mechanism 3 is used to drive the settlement adjustment assemblies 2 to sink into the sea water along the direction of the support columns 102;

[0040] Among them, the locking mechanism 4 is used to lock and fix the settlement adjustment assemblies 2 on the support columns 102.

[0041] In one embodiment, the four settlement adjustment assemblies 2 also each include four snap rings 203 and a carrier frame 205;

[0042] Among them, the carrier frame 205 is fixedly connected to the upper surface of a support plate frame 201. The four snap rings 203 are symmetrically fixedly connected to both sides of the two support plate frames 201. The two support plate frames 201 and the four snap rings 203 are all bolted to each other. A number of connecting rods 53 are fixedly connected between the four snap rings 203 in pairs. A climbing frame 54 is installed between the oil drilling platform 101 and the lower operating platform 103;

[0043] The connecting rods 53 provided are used to increase the stability between the four snap rings 203 in pairs. The climbing frame 54 provided enables the operator to climb from the oil drilling platform 101 to the lower operating platform 103. The carrier frame 205 provided is used to increase the strength of the support plate frame 201.

[0044] In one embodiment, the hydraulic drive mechanism 3 includes a number of hydraulic cylinders 301, a number of push plates 302, and an inner support column 303;

[0045] Among them, several hydraulic cylinders 301 are all installed between the oil drilling platform 101 and the lower operating platform 103, several push plates 302 are fixedly connected to the piston rods of the several hydraulic cylinders 301, and the inner support column 303 is fixedly connected to the middle part of the adjacent sides of the two support plate frames 201;

[0046] The piston rod of the hydraulic cylinder 301 drives the push plate 302 to move, and the moving push plate 302 extrudes the settlement adjustment assembly 2 after assembly.

[0047] In one embodiment, several locking mechanisms 4 all include a lock box 401, a locking pin 402, a spring 403, a fixing frame 404, a locking groove 405 and a groove 406;

[0048] Among them, the lock box 401 is fixedly connected to one side of the snap ring 203, the outer wall of the locking pin 402 is slidably connected to the inner walls of the lock box 401 and the snap ring 203, one end of the spring 403 is fixedly connected to one side of the locking pin 402, the other end of the spring 403 is fixedly connected to the inner wall of the lock box 401, the fixing frame 404 is fixedly connected to the outer wall of the support column 102, the locking groove 405 is opened on one side of the fixing frame 404, the groove 406 is opened on one side of the inner wall of the snap ring 203, and the outer wall of the fixing frame 404 is slidably connected to the inner wall of the groove 406;

[0049] When one side of the locking pin 402 comes into contact with the fixing frame 404, the locking pin 402 drives the spring 403 to move under the action of pressure, and the moving spring 403 is compressed. When the locking pin 402 moves to the locking groove 405, the compressed spring 403 pushes the locking pin 402 to reset, and the reset locking pin 402 slides into the locking groove 405.

[0050] In one embodiment, the top of the air-filled bag 204 is communicated with an air injection interface 51, and a sealing plug 52 is threadedly connected to the inner wall of the air injection interface 51;

[0051] The air injection interface 51 is used to inject air into the air-filled bag 204, and the sealing plug 52 is used to block the air injection interface 51.

[0052] When the present utility model is working: when it is necessary to transform the existing gravity-fixed offshore oil platform, first, the fixing frame 404 is fixed on the support column 102 according to actual needs, and the fixing height of each fixing frame 404 is controlled, and then the hydraulic cylinder 301 is installed and fixed between the oil drilling platform 101 and the support column 102.

[0053] When pre - assembly preparation operations need to be carried out on the settlement adjustment assembly 2, the air injection interface 51 is opened by rotating the sealing plug 52, so that air can be injected into the interior of the air - filled balloon 204 through the air injection interface 51, causing the air - filled balloon 204 to expand between the support plate frames 201. After the air - filled balloon 204 has finished expanding, the air injection interface 51 is blocked by rotating the sealing plug 52 to complete the pre - assembly preparation operation for a single settlement adjustment assembly 2.

[0054] When the settlement adjustment assembly 2 needs to be assembled, the entire settlement adjustment assembly 2 is thrown into the sea water, and the snap ring 203 is buckled on the support column 102 by means of dragging. Then, bolts are used to fixedly connect the support plate frames 201 and the snap ring 203 between two settlement adjustment assemblies 2 to complete the overall assembly operation of the settlement adjustment assembly 2. When the offshore oil platform needs to be anti - tilted and settlement - adjusted, the piston rod of the hydraulic cylinder 301 is used to drive the push plate 302 to move. The moving push plate 302 squeezes the assembled settlement adjustment assembly 2, causing it to sink into the sea water along the direction of the support column 102 under the action of pressure. The provided bearing frame 205 is used to increase the strength of the support plate frame 201, and the provided fixing frame 404 and groove 406 are used to position the snap ring 203. When the snap ring 203 continues to move along the direction of the support column 102 and one side of the locking pin 402 comes into contact with the fixing frame 404, the locking pin 402 drives the spring 403 to move under the action of pressure, and the moving spring 403 is compressed. When the locking pin 402 moves to the locking groove 405, the compressed spring 403 pushes the locking pin 402 to reset, and the reset locking pin 402 slides into the locking groove 405. So that when the entire settlement adjustment assembly 2 loses pressure, the settlement adjustment assembly 2 can be locked and fixed on the support column 102 through the locking mechanism 4. Furthermore, the stability of the offshore oil platform can be increased by means of the settlement adjustment assembly 2, reducing the dependence of the offshore oil platform on the stability of the seabed geological structure, avoiding the situation of the offshore oil platform tilting and settling caused by geological structures and extreme natural environments, and enabling the gravity - based offshore oil platform to possess some characteristics of a semi - submersible drilling platform.

[0055] When the four groups of settlement adjustment assemblies 2 cannot meet the stability requirements of the offshore oil platform, the operation can be repeated. Four more groups are added on the basis of the four groups of settlement adjustment assemblies 2 and assembled on the support column 102. Then, the newly added settlement adjustment assemblies 2 are squeezed by the hydraulic drive mechanism 3 to press them into the sea water and locked and fixed on the support column 102 by means of the locking mechanism 4 to further provide buoyancy for the offshore oil platform and ensure its stability.

[0056] In addition to modifying gravity-fixed offshore oil platforms, it is also possible to modify jacket drilling platforms and tension leg drilling platforms according to actual needs to increase buoyancy on their basis and ensure their stability. It is also possible to further increase the buoyancy of semi-submersible drilling platforms on the basis of the original ones.

[0057] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. An anti-tilt settlement adjustment mechanism for an offshore oil platform, comprising an oil platform assembly (1) and a settlement adjustment assembly (2), characterized in that, The oil platform component (1) includes an oil drilling platform (101), four support columns (102), and a lower operating platform (103); Among them, the four support columns (102) are all fixedly connected to the bottom of the oil drilling platform (101), the lower operating platform (103) is fixedly connected to the bottom of the outer side walls of the four support columns (102), four settlement adjustment components (2) are sleeved on the outer sides of the four support columns (102), the four settlement adjustment components (2) are used in combination in pairs, a hydraulic driving mechanism (3) is installed between the oil drilling platform (101) and the lower operating platform (103), and a number of locking mechanisms (4) are installed between the settlement adjustment components (2) and the support columns (102); Among them, the four settlement adjustment components (2) all adopt a broad flat-bottom design to increase the stability of the offshore oil platform by using buoyancy and reduce the dependence of the offshore oil platform on the stability of the seabed geological structure; the four settlement adjustment components (2) each include two support plate frames (201), a protective net (202), and an air-filled bag (204); Among them, the protective net (202) is fixedly connected between the two support plate frames (201), and the air-filled bag (204) is arranged inside the protective net (202) and fixedly connected to one side of a support plate frame (201); Among them, the hydraulic driving mechanism (3) is used to drive the settlement adjustment component (2) to sink into the sea water along the direction of the support column (102); Among them, the locking mechanism (4) is used to lock and fix the settlement adjustment component (2) on the support column (102).

2. The settlement adjustment mechanism of the anti-tilt offshore oil platform according to claim 1, characterized in that: Each of the four settlement adjustment components (2) further includes four snap rings (203) and a carrier (205); Among them, the carrier (205) is fixedly connected to the upper surface of a support plate frame (201), the four snap rings (203) are symmetrically fixedly connected to both sides of the two support plate frames (201), and the two support plate frames (201) and the four snap rings (203) are all bolt-connected to each other.

3. The settlement adjustment mechanism for an anti-tilt offshore oil platform according to claim 1, characterized in that: The hydraulic driving mechanism (3) includes a number of hydraulic cylinders (301), a number of push plates (302), and an inner support column (303); Among them, the number of hydraulic cylinders (301) are all installed between the oil drilling platform (101) and the lower operating platform (103), the number of push plates (302) are all fixedly connected to the piston rods of the number of hydraulic cylinders (301), and the inner support column (303) is fixedly connected to the middle of the adjacent sides of the two support plate frames (201).

4. The settlement adjustment mechanism for an anti-tilt offshore oil platform according to claim 2, wherein: The number of locking mechanisms (4) each include a lock box (401), a locking pin (402), a spring (403), a fixing frame (404), a locking groove (405), and a groove (406); Among them, the lock box (401) is fixedly connected to one side of the snap ring (203), the outer wall of the locking pin (402) is slidably connected to the inner walls of the lock box (401) and the snap ring (203), one end of the spring (403) is fixedly connected to one side of the locking pin (402), and the other end of the spring (403) is fixedly connected to the inner wall of the lock box (401).

5. The settlement adjustment mechanism of the anti-tilt offshore oil platform according to claim 4, characterized in that: The fixing bracket (404) is fixedly connected to the outer wall of the support column (102), and the locking groove (405) is opened on one side of the fixing bracket (404).

6. The settlement adjustment mechanism of the anti-tilt offshore oil platform according to claim 4, characterized in that: The groove (406) is opened on one side of the inner wall of the snap ring (203), and the outer wall of the fixing bracket (404) is slidably connected to the inner wall of the groove (406).

7. The settlement adjustment mechanism of the anti-tilt offshore oil platform according to claim 1, characterized in that: The top of the air bag (204) is communicated with an air injection interface (51), and a sealing plug (52) is threadedly connected to the inner wall of the air injection interface (51).

8. The settlement adjustment mechanism for the anti-tilt offshore oil platform according to claim 2, wherein: A number of connecting rods (53) are fixedly connected between every two of the four snap rings (203), and a climbing frame (54) is installed between the oil drilling platform (101) and the lower operating platform (103).

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