Protection device of deepwater jacket underwater pipeline valve

Abstract

The utility model discloses a protection device for an underwater pipeline valve of a deepwater jacket, and aims to provide the protection device for the underwater pipeline valve of the deepwater jacket, which can relieve the impact force of sea waves, avoid the interference of marine organisms and reduce the damage risk. The protective cover comprises a protective cover body, the protective cover body is installed on a jacket and arranged on the outer side of an underwater pipeline valve in a surrounding mode, the protective cover body comprises an upper-layer frame and a lower-layer frame, the lower-layer frame is located below the upper-layer frame, and a connecting frame is arranged between the upper-layer frame and the lower-layer frame. And a supporting seat is arranged at the bottom of the lower-layer frame. The deepwater jacket is applied to the technical field of deepwater jackets.

Description

Technical Field

[0001] The utility model relates to the technical field of deepwater jackets, in particular to a protection device for underwater pipeline valves of deepwater jackets. Background Art

[0002] Currently, deepwater jacket systems typically incorporate an underwater backup system for the injection, venting, and grouting pipelines. In the event of a pipeline control system failure, a robotic underwater vehicle (ROV) directly connects to the injection, venting, and grouting pipelines underwater to perform the injection, venting, and grouting operations. The underwater injection, venting, and grouting pipeline valves are located on the jacket legs. During offshore installation, these valves can be controlled to vent air from the jacket compartment and inject cement grout. Conventional underwater pipeline valves have the following disadvantages: These valves are exposed on the outside of the jacket legs, making them susceptible to damage from waves and currents during launch and while underwater, directly impacting the proper installation and operation of the deepwater jacket. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the existing technology and provide a protective device for underwater pipeline valves of a deepwater jacket, which can alleviate the impact of waves, avoid interference from marine organisms and reduce the risk of damage.

[0004] The technical solution adopted by the present invention is: the present invention includes a protective cover, which is installed on the conductor frame and is arranged around the outside of the underwater pipeline valve. The protective cover includes an upper frame and a lower frame, the lower frame is located below the upper frame, a connecting frame is provided between the upper frame and the lower frame, and a support seat is provided at the bottom of the lower frame.

[0005] Furthermore, a pad is provided at the bottom of the support seat, and the pad is provided on the catheter rack.

[0006] Furthermore, the upper frame includes at least two first circular tubes, both ends of the two first circular tubes are bent, and the two first circular tubes are connected to form a ring structure.

[0007] Furthermore, the lower frame includes at least two second circular tubes, both ends of the two second circular tubes are bent, and the two second circular tubes are connected to form a ring structure.

[0008] Furthermore, the connecting frame includes a plurality of third circular tubes, and two ends of the third circular tubes are respectively connected to the lower end of the upper frame and the upper end of the lower frame.

[0009] Furthermore, the support seat includes a plurality of fourth circular tubes, and both ends of the fourth circular tubes are respectively connected to the lower end of the lower frame and the pad.

[0010] Furthermore, the pad is a wrapping board.

[0011] The beneficial effects of the utility model are:

[0012] Compared with the deficiencies of the prior art, in the present invention, the double-layer protective structure of the upper frame and the lower frame can effectively block the influence of the external environment. Therefore, by installing the protective cover on the conductor leg of the conductor rack, and the protective cover surrounding the outside of the underwater pipeline valve, it can buffer the impact force of the waves on the underwater pipeline valve when the conductor rack enters the water, and avoid damage to the underwater pipeline valve by waves and marine life, provide protection for the underwater pipeline valve, and at the same time reduce the risk of damage to the conductor rack construction pipeline system, so that the present invention has the advantages of alleviating the impact force of waves, avoiding interference from marine life and reducing the risk of damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the plane structure of the utility model Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the plane structure of the utility model Figure 2 ;

[0016] Figure 3 It is a cross-sectional schematic diagram of the present utility model.

[0017] The reference numerals are as follows:

[0018] 1. Protective cover; 2. Jacket; 3. Underwater pipeline valve; 5. Upper frame; 6. Lower frame; 7. Connecting frame; 8. Support seat; 9. Pad; 10. First round tube; 11. Second round tube; 12. Third round tube; 13. Fourth round tube.

[0019] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0023] like Figures 1 to 3 As shown, in this embodiment, the utility model includes a protective cover 1, which is installed on the conductor frame 2 and is arranged around the outside of the underwater pipeline valve 3. The protective cover 1 includes an upper frame 5 and a lower frame 6. The lower frame 6 is located below the upper frame 5. A connecting frame 7 is provided between the upper frame 5 and the lower frame 6. A support seat 8 is provided at the bottom of the lower frame 6.

[0024] Compared with the shortcomings of the prior art, in the present invention, the double-layer protection structure of the upper frame 5 and the lower frame 6 can effectively block the influence of the external environment. Therefore, by installing the protective cover 1 on the catheter leg of the conductor frame 2, and the protective cover 1 surrounding the outside of the underwater pipeline valve 3, it can buffer the impact force of the waves on the underwater pipeline valve 3 when the conductor frame 2 enters the water, and avoid damage to the underwater pipeline valve 3 by waves and marine life, provide protection for the underwater pipeline valve 3, and at the same time reduce the risk of damage to the conductor frame construction pipeline system, so that the present invention has the advantages of being able to alleviate the impact force of waves, avoid interference from marine life and reduce the risk of damage.

[0025] In some embodiments, a backing plate 9 is provided at the bottom of the support base 8, and the backing plate 9 is provided on the conduit frame 2; the backing plate 9 is a wrapping plate. Specifically, the bottom of the support base 8 is welded to the conduit frame 2 via the backing plate 9.

[0026] In some embodiments, the upper frame 5 includes at least two first circular tubes 10, each of which is bent at both ends and connected to form a ring structure. Specifically, the upper frame 5 is formed by welding the two ends of one first circular tube 10 to the two ends of the other first circular tube 10.

[0027] In some embodiments, the lower frame 6 includes at least two second circular tubes 11, each of which is bent at both ends and connected to form a ring structure. Specifically, the lower frame 6 is formed by welding the two ends of one second circular tube 11 to the two ends of the other second circular tube 11.

[0028] In some embodiments, the connecting frame 7 includes a plurality of third circular tubes 12, the ends of which are respectively connected to the lower end of the upper frame 5 and the upper end of the lower frame 6. Specifically, there are eight third circular tubes 12, and each of the third circular tubes 12 is welded at an angle between the upper frame 5 and the lower frame 6.

[0029] In some embodiments, the support base 8 includes a plurality of fourth circular tubes 13, the ends of which are respectively connected to the lower end of the lower frame 6 and the pad 9. Specifically, there are eight fourth circular tubes 13, and each of them is welded obliquely between the lower frame 6 and the pad 9.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A protective device for underwater pipeline valves on a deepwater jacket, characterized by: The invention comprises a protective cover (1), wherein the protective cover (1) is mounted on a conductor frame (2) and is arranged around the outside of an underwater pipeline valve (3); the protective cover (1) comprises an upper frame (5) and a lower frame (6); the lower frame (6) is located below the upper frame (5); a connecting frame (7) is provided between the upper frame (5) and the lower frame (6); and a supporting seat (8) is provided at the bottom of the lower frame (6).

2. The protection device for underwater pipeline valves of a deepwater jacket according to claim 1, characterized in that: A pad (9) is provided at the bottom of the support seat (8), and the pad (9) is provided on the catheter frame (2).

3. The protection device for underwater pipeline valves of a deepwater jacket according to claim 1, characterized in that: The upper frame (5) comprises at least two first circular tubes (10), both ends of the two first circular tubes (10) are bent, and the two first circular tubes (10) are connected to form an annular structure.

4. The protection device for underwater pipeline valves of a deepwater jacket according to claim 1, characterized in that: The lower frame (6) comprises at least two second circular tubes (11), both ends of the two second circular tubes (11) are bent, and the two second circular tubes (11) are connected to form an annular structure.

5. The protection device for underwater pipeline valves of a deepwater jacket according to claim 1, characterized in that: The connecting frame (7) comprises a plurality of third circular tubes (12), and the two ends of the third circular tubes (12) are respectively connected to the lower end of the upper frame (5) and the upper end of the lower frame (6).

6. The protection device for underwater pipeline valves of a deepwater jacket according to claim 2, characterized in that: The support seat (8) comprises a plurality of fourth circular tubes (13), and the two ends of the fourth circular tubes (13) are respectively connected to the lower end of the lower frame (6) and the pad (9).

7. The protection device for underwater pipeline valves of a deepwater jacket according to claim 2, characterized in that: The backing plate (9) is a wrapping plate.

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