Underwater base plate integrated on drill conductor

Abstract

The underwater basal disc integrated on the drill conductor comprises a main structure frame and a positioning sleeve, the positioning sleeve is vertically arranged on the main structure frame, a guide opening is connected to the positioning sleeve, a bolt connecting disc is arranged on the guide opening, the bolt connecting disc is connected with the drill conductor, and the main structure frame is connected with the positioning sleeve. The main structure frame is connected with a manifold fixing stand column and a guide column base, and the manifold is fixedly limited in a manifold supporting area of the main structure frame through the manifold fixing stand column and the guide column base. According to the underwater base plate integrated on the drill conductor, the problems of drilling positioning accuracy and relative position accuracy of a Christmas tree and a manifold can be solved, meanwhile, the underwater base plate structure is fixedly connected to the drill conductor, the drill conductor serves as a bearing structure of a foundation, the problem of bearing capacity of the underwater base plate is solved, and the service life of the underwater base plate is prolonged. The construction difficulty is reduced while the sea area utilization rate is improved.

Description

Technical Field

[0001] The utility model belongs to the field of marine engineering, and in particular relates to an underwater base plate integrated on a water-blocking casing. Background Art

[0002] In marine oil and gas development, underwater production systems generally require a larger sea area. However, with the development of marine engineering and the development and utilization of marine resources, the utilization rate of marine space resources is increasingly required. In order to avoid affecting navigation areas and other sensitive restricted areas, underwater base plates are often used in the development of underwater production systems.

[0003] The main purpose of the utility model is to provide an underwater base structure integrated on the waterproof casing, which can solve the problems of drilling positioning accuracy and the relative position accuracy of the oil tree and the manifold. At the same time, the underwater base structure is connected and fixed on the waterproof casing, and the waterproof casing is used as the basic bearing structure, which solves the problem of the bearing capacity of the underwater base, improves the utilization rate of the sea area and reduces the construction difficulty. Utility Model Content

[0004] The problems of drilling positioning accuracy and relative position accuracy of the Christmas tree and the manifold mentioned in the background technology can be solved. An underwater base plate integrated on the waterproof casing is provided to solve the problem of the bearing capacity of the underwater base plate.

[0005] To achieve the above purpose, the specific technical solution of the underwater base plate integrated on the waterproof casing of the utility model is as follows:

[0006] An underwater base plate integrated on a watertight casing comprises a main structural frame and a positioning sleeve. The positioning sleeve is vertically arranged on the main structural frame. A guide port is connected to the positioning sleeve. A bolt connection plate is provided on the guide port. The bolt connection plate is connected to the watertight casing to fix the watertight casing on the positioning sleeve. A manifold fixing column and a guide column base are connected to the main structural frame. The manifold is fixed and limited in a manifold supporting area of ​​the main structural frame by the manifold fixing column and the guide column base.

[0007] Furthermore, the positioning sleeve includes a first positioning sleeve, a second positioning sleeve, a third positioning sleeve and a fourth positioning sleeve, and the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all vertically welded to the main structure frame, and the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all connected to the waterproof sleeve.

[0008] Furthermore, the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all fixedly connected with guide openings, and the watertight sleeve is inserted into the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve through the guide openings.

[0009] Furthermore, guide openings of the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all connected with bolt connection plates, and the bolt connection plates are threadedly connected to the flange plates on the watertight casing.

[0010] Furthermore, a lifting point is provided on the main structure frame, and a lifting arm is connected to the lifting point to lift the main structure frame.

[0011] Furthermore, a hanging point cover plate is connected to the main structure frame, and the hanging point cover plate is rotatably arranged above the hanging point.

[0012] Furthermore, the main structural frame includes steel sections and grilles, a plurality of steel sections are welded together, and a plurality of grilles are fixedly connected to the plurality of steel sections respectively.

[0013] Furthermore, a plurality of guide column bases are fixedly connected to the steel section, and temporary guide columns of the manifold are respectively connected to the plurality of guide column bases.

[0014] Furthermore, a plurality of manifold fixing columns are fixedly connected to the steel section so that the manifold is fixed to the steel section.

[0015] Furthermore, the steel sections are arranged at intervals, and the space between the steel sections is a manifold support area, and the manifold is fixed on the manifold support area by a manifold fixing column.

[0016] The underwater base plate integrated on the waterproof casing of the utility model has the following advantages:

[0017] The connection between the riser and the main structure frame is achieved through the positioning sleeve, the riser is inserted into the positioning sleeve through the guide port connected to the positioning sleeve, and the fixed connection of the riser is achieved through the bolt connection plate provided on the guide port, so that the manifold on the main structure frame can be stably arranged in the manifold support area through the manifold fixing column and the guide column base. This application can solve the problems of drilling positioning accuracy and relative position accuracy of the Christmas tree and the manifold, and at the same time, the underwater base structure is connected and fixed to the riser, and the riser is used as the basic bearing structure, which solves the problem of underwater base bearing capacity, improves the utilization rate of the sea area and reduces the difficulty of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the underwater base plate integrated on the waterproof casing of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection of the waterproof casing of the underwater base plate integrated on the waterproof casing of the utility model.

[0020] Description of the markings in the figure:

[0021] 1. Base plate; 11. Main structure frame; 12. Lifting point; 13. Lifting point cover plate; 14. Grille; 15. Manifold support area; 16. Guide column base; 17. Manifold fixing column; 2. Waterproof casing connection structure; 21. Positioning sleeve; 211. First positioning sleeve; 212. Second positioning sleeve; 213. Third positioning sleeve; 214. Fourth positioning sleeve; 22. Guide port; 23. Bolt connection plate; 3. Waterproof casing. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0023] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0024] Please refer to the attached Figure 1 To Attachment Figure 2 The utility model is described as an underwater template integrated on a waterproof casing.

[0025] like Figure 1As shown, the underwater base plate integrated on the watertight casing in the utility model includes a main structural frame 11 and a positioning sleeve 21. The positioning sleeve 21 is vertically arranged on the main structural frame 11. The positioning sleeve 21 is connected with a guide port 22. The guide port 22 is provided with a bolt connection plate 23. The bolt connection plate 23 is connected to the watertight casing 3 so that the watertight casing 3 is fixed on the positioning sleeve 21. The main structural frame 11 is connected with a manifold fixing column 17 and a guide column base 16. The manifold is fixed and limited in the manifold support area 15 of the main structural frame 11 by the manifold fixing column 17 and the guide column base 16. The connection between the watertight casing 3 and the main structure frame 11 is achieved through the positioning sleeve 21. The watertight casing 3 is inserted into the positioning sleeve 21 through the guide port 22 connected to the positioning sleeve 21, and the fixed connection of the watertight casing 3 is achieved through the bolt connection plate 23 provided on the guide port 22, so that the manifold on the main structure frame 11 can be stably arranged in the manifold support area 15 through the manifold fixing column 17 and the guide column base 16. The present application can solve the problems of drilling positioning accuracy and relative position accuracy of the oil production tree and the manifold, and at the same time, the underwater base structure is connected and fixed to the watertight casing 3, and the watertight casing 3 is used as the basic bearing structure to solve the problem of the bearing capacity of the underwater base 1, thereby improving the utilization rate of the sea area and reducing the difficulty of construction.

[0026] Further, if Figure 1 and Figure 2 As shown, the positioning sleeve 21 includes a first positioning sleeve 211, a second positioning sleeve 212, a third positioning sleeve 213 and a fourth positioning sleeve 214, the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are all vertically welded to the main structure frame 11, and the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are all connected to the waterproof sleeve 3; the first positioning sleeve 211, the second positioning sleeve The first positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are all fixedly connected with a guide port 22, and the watertight sleeve 3 is inserted into the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 through the guide port 22; the guide ports 22 of the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are all connected with a bolt connecting plate 23, and the bolt connecting plate 23 is threadedly connected to the flange plate on the watertight sleeve 3.

[0027] In this embodiment, preferably, the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are vertically welded on the main structure frame 11 to provide accurate positioning for the installation of the watertight sleeve 3. The first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are arranged in a rectangular shape at intervals so that after the watertight sleeve 3 is inserted into the seabed away from one end of the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214, the main structure frame 11 is stably set in the seawater.

[0028] The first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 are all welded with guide openings 22. Preferably, the guide openings 22 are trapezoidal, and the upper bottom surface of the guide openings 22 is welded to the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214. The watertight casing 3 is inserted through the upper bottom surface of the guide openings 22 to provide a guiding function for the watertight casing 3.

[0029] A bolt connection plate 23 is welded to the lower bottom surface of the guide opening 22. Preferably, the bolt connection plate 23 is in a circular ring shape, matching the shape of the watertight casing 3. A flange is provided on the watertight casing 3. The flange of the watertight casing 3 is screwed to the bolt connection plate 23 by bolts, thereby realizing a fixed connection between the watertight casing 3 and the main structure frame 11, so that the watertight casing 3 serves as a basic bearing structure, eliminating the requirement for the design bearing area of ​​the anti-sinking plate of the main structure frame 11, reducing the size requirement of the main structure frame 11, and reducing the sea area requirement for project development.

[0030] Further, if Figure 1 As shown, a lifting point 12 is provided on the main structure frame 11, and a lifting arm is connected to the lifting point 12 to lift the main structure frame 11; a lifting point cover plate 13 is connected to the main structure frame 11, and the lifting point cover plate 13 is rotatably arranged above the lifting point 12; the main structure frame 11 includes steel sections and grilles 14, a plurality of steel sections are welded together, and a plurality of grilles 14 are respectively fixedly connected to a plurality of steel sections.

[0031] In this embodiment, preferably, the lifting points 12 are fixed at four positions of the main structure frame 11, and the four lifting points 12 are all connected to the lifting arm to realize overall lifting; the lifting point cover plate 13 is fixed above the lifting point 11 to cover the beam grid where the lifting point 12 is located, providing a flat working space, facilitating the underwater construction operations of divers, reducing the operation risks, and avoiding the risk of bending of the flying line.

[0032] Preferably, a plurality of transversely parallel steel sections and a plurality of vertically parallel steel sections are welded together to form a main structural frame 11, and a grid 14 is fixed to the upper surface of the steel sections of the main structural frame 11 to provide a flat space for laying of electro-hydraulic flying wires and for divers to operate.

[0033] Further, if Figure 1 As shown, a plurality of guide column bases 16 are fixedly connected to the steel section, and temporary guide columns of the manifold are respectively connected to the plurality of guide column bases 16; a plurality of manifold fixing columns 17 are fixedly connected to the steel section to fix the manifold on the steel section; the steel sections are arranged at intervals, and the space between the steel sections is the manifold supporting area 15, and the manifold is fixed to the manifold supporting area 15 by the manifold fixing columns 17.

[0034] In this embodiment, preferably, a plurality of steel sections arranged in parallel transversely and a plurality of steel sections arranged in parallel vertically are welded together to form a manifold support area 15, and the manifold support area 15 is used to support the underwater manifold and provide a deployment space; the guide column base 16 is fixed on the steel section of the manifold support area 15, and is used to fix the temporary guide column for installing the manifold; the manifold fixing column 17 is fixed on the steel section of the manifold support area 15, and is used to fix the manifold on the base plate 1.

[0035] The main structure frame 11, hanging point 12, hanging point cover plate 13, grille 14, manifold support area 15, manifold fixing column 17 and guide column base 16 constitute the main structure of the base plate 1; the positioning sleeve 21, guide port 22 and bolt connection plate 23 constitute the waterproof casing connection structure 2.

[0036] The construction principle of the underwater base plate integrated on the waterproof casing in the utility model is as follows:

[0037] First, the main structural frame of the base plate 1 is lowered to the predetermined position on the seabed by hoisting, and the lock on the lifting point 12 is released and the lifting point cover 13 is closed and locked; then, multiple watertight casings 3 are guided along the guide opening 22 into the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214, and the watertight pipe 3 is driven in; then, the flange plate of the watertight casing 3 is connected with the bolt connecting plate 23 to realize the connection between the main structural frame 11 of the base plate 1 and the watertight casing 3; finally, after the installation is completed, the subsequent installation of the oil production tree and the underwater manifold, as well as the subsequent equipment connection work, are realized on the base plate 1 through the manifold fixing column 17 and the guide column base 16.

[0038] Based on the underwater base plate integrated on the watertight sleeve, the utility model realizes the connection between the watertight sleeve 3 and the main structural frame 11 through the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214, and the watertight sleeve 3 is inserted into the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214 through the guide opening 22 connected on the first positioning sleeve 211, the second positioning sleeve 212, the third positioning sleeve 213 and the fourth positioning sleeve 214, and the fixed connection of the watertight sleeve 3 is realized by the bolt connection plate 23 arranged on the guide opening 22, so that the manifold on the main structural frame 11 is stably arranged in the manifold support area 15 through the manifold fixing column 17 and the guide column bottom 16. The present application can solve the problems of drilling positioning accuracy and the relative position accuracy of the oil tree and the manifold, and at the same time connect and fix the underwater base structure on the waterproof casing, using the waterproof casing 3 as the basic bearing structure, thereby solving the problem of the bearing capacity of the underwater base 1, improving the utilization rate of the sea area and reducing the construction difficulty.

[0039] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An underwater base plate integrated on a waterproof casing, characterized in that: It includes a main structure frame and a positioning sleeve. The positioning sleeve is vertically arranged on the main structure frame. The positioning sleeve is connected with a guide port. The guide port is provided with a bolt connecting plate. The bolt connecting plate is connected to the water-blocking sleeve to fix the water-blocking sleeve on the positioning sleeve. The main structure frame is connected with a manifold fixing column and a guide column base. The manifold is fixed and limited in the manifold supporting area of ​​the main structure frame by the manifold fixing column and the guide column base.

2. The underwater template integrated on the waterproof casing according to claim 1, characterized in that: The positioning sleeve includes a first positioning sleeve, a second positioning sleeve, a third positioning sleeve and a fourth positioning sleeve. The first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all vertically welded on the main structure frame. The first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all connected to the waterproof sleeve.

3. The underwater template integrated on the waterproof casing according to claim 2, characterized in that: The first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all fixedly connected with guide openings, and the watertight sleeve is inserted into the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve through the guide openings.

4. The underwater template integrated on the waterproof casing according to claim 3 is characterized in that: The guide openings of the first positioning sleeve, the second positioning sleeve, the third positioning sleeve and the fourth positioning sleeve are all connected with bolt connection plates, and the bolt connection plates are threadedly connected with the flange plates on the watertight casing.

5. The underwater template integrated on the waterproof casing according to claim 4, characterized in that: A lifting point is arranged on the main structure frame, and a lifting arm is connected to the lifting point to lift the main structure frame.

6. The underwater template integrated on the waterproof casing according to claim 5, characterized in that: A hanging point cover plate is connected to the main structure frame, and the hanging point cover plate is rotatably arranged above the hanging point.

7. The underwater template integrated on the waterproof casing according to claim 6, characterized in that: The main structural frame includes steel sections and grilles, a plurality of steel sections are welded together, and a plurality of grilles are fixedly connected to the plurality of steel sections respectively.

8. The underwater template integrated on the waterproof casing according to claim 7, characterized in that: A plurality of guide column bases are fixedly connected to the steel section, and temporary guide columns of the manifold are respectively connected to the plurality of guide column bases.

9. The underwater template integrated on the waterproof casing according to claim 8, characterized in that: A plurality of manifold fixing columns are fixedly connected to the steel section to fix the manifold on the steel section.

10. The underwater template integrated on the waterproof casing according to claim 9, characterized in that: The steel sections are arranged at intervals, and the space between the steel sections is the manifold support area, and the manifold is fixed on the manifold support area by manifold fixing columns.

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