CN219218936U

CN219218936U - Offshore drilling platform stabilizing device

Info

Publication number: CN219218936U
Application number: CN202223353322.3U
Authority: CN
Inventors: 郭琼玲; 孔秋平; 罗承浩; 许万洪; 许万强; 郑添寿; 张晓琼
Original assignee: Fujian Sanchuan Offshore Wind Power Co ltd; Fujian Yongqiang Marine Technology Co ltd
Current assignee: Fujian Sanchuan Offshore Wind Power Co ltd; Fujian Yongqiang Marine Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-20
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to an offshore drilling platform stabilizing device, which comprises a platform body, wherein a main body supporting column is arranged below the platform body; an auxiliary bracket is arranged on the outer side of the main body support column; the top end of the auxiliary bracket is connected with the bottom of the platform body; the bottom end of the auxiliary bracket is fixedly arranged on the rock stratum; a first damping buffer mechanism is arranged between the main body support column and the auxiliary support; the main body support column is also provided with a stable suspension part; the bottom of the platform body is provided with a second damping buffer mechanism for connection; a fixing mechanism is arranged between the platform body and the auxiliary bracket. When the drilling operation is not performed, the fixing mechanism stabilizes the relative positions of the platform body and the auxiliary support, so that stability in the drilling process is ensured; when drilling is stopped, the fixing mechanism is separated from the auxiliary support, and the platform body is directly connected with the auxiliary support through the plurality of first damping buffer mechanisms, so that rigid movement between the platform body and the auxiliary support can not be generated when the platform body is impacted by sea waves.

Description

Offshore drilling platform stabilizing device

Technical Field

The utility model relates to a stabilizing device, in particular to an offshore drilling platform stabilizing device.

Background

The offshore drilling platform has extremely high instability due to the randomness of sea wave and ocean current strength and direction due to the special working environment. In the prior art, a drilling platform generally adopts a rigid structure to ensure the stability; however, with the influence of corrosion of sea water or the like, the strength of the rigid member is difficult to ensure without cushioning, resulting in a decrease in stability. However, if a floating type working platform is adopted, the working platform cannot ensure stability during drilling, and the drilling precision is affected.

Therefore, further improvements are needed.

Disclosure of Invention

Therefore, the utility model provides the offshore drilling platform stabilizing device for overcoming the defects in the prior art, which is flexible and convenient to use, effectively reduces the platform load and can keep stable during working.

The offshore drilling platform stabilizing device comprises a platform body, wherein a main body supporting column is arranged below the platform body; an auxiliary bracket is arranged on the outer side of the main body support column; the top end of the auxiliary bracket is connected with the bottom of the platform body; the bottom end of the auxiliary support is fixedly arranged on the rock stratum; a first damping buffer mechanism is arranged between the main body support column and the auxiliary support; the outer side of the main body support column is also provided with a stable suspension part; the bottom of the platform body is provided with a second damping buffer mechanism; a fixing mechanism is arranged between the platform body and the auxiliary support.

Preferably, the top of the main support column is fixedly connected with the platform body; the bottom is arranged on the rock stratum; the first damping buffer mechanism comprises a hydraulic seat arranged on the auxiliary bracket; and a hydraulic column is arranged on one side of the hydraulic seat, which is close to the main body support column.

Preferably, the other end of the hydraulic column opposite to the hydraulic seat is connected with the main body support column.

Preferably, the main body support column is internally provided with a hollowed-out part; the stable suspension piece is arranged in the hollowed-out part; the stable suspension piece comprises a counterweight ball suspended in the hollowed-out part.

Preferably, an anti-collision cushion layer is covered on the inner side wall of the hollowed-out part; the second damping buffer mechanism comprises an inflatable cushion arranged around the platform body.

Preferably, the inflatable cushion is positioned above the waterline of the platform body; the inflatable cushion is arranged in the outer frame; the outer frame is distributed around the platform body.

Preferably, the bottom of the outer frame is open.

Preferably, the top of the auxiliary bracket is provided with a plurality of inserting holes; a sliding limit column is arranged at the bottom of the platform body opposite to the plug hole; the sliding limit column is connected with the hydraulic cylinder.

The utility model has the following beneficial effects: when the drilling operation is not performed, the fixing mechanism stabilizes the relative positions of the platform body and the auxiliary support, so that stability in the drilling process is ensured; when drilling is stopped, the fixing mechanism is separated from the auxiliary support, and at the moment, the platform body is directly connected with the auxiliary support through the plurality of first damping buffer mechanisms, so that rigid movement between the platform body and the auxiliary support can not be generated when the platform body is impacted by sea waves, and the platform body is stressed by the first damping buffer mechanisms, so that the platform body and the main body support are prevented from bearing larger loads, and the platform body is effectively protected.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of another aspect of the present utility model.

In the figure: 1 is a platform body, 3 is a main body supporting column, 3.1 is a hollowed-out part, 4 is an auxiliary bracket, 4.1 is a plug hole, 5 is a hydraulic column, 6 is a counterweight ball, 7 is an inflatable cushion, 8 is an outer frame, 9 is a sliding limiting column, and 10 is a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art, provided that the terms are not defined differently. It is to be understood that terms defined in commonly used dictionaries have meanings that are consistent with the meaning of the terms in the prior art.

Referring to fig. 1-2, an offshore drilling platform stabilizing device comprises a platform body 1, wherein a main support column 3 is arranged below the platform body 1; an auxiliary bracket 4 is arranged outside the main body support column 3; the top end of the auxiliary bracket 4 is connected with the bottom of the platform body 1; the bottom end of the auxiliary support 4 is fixedly arranged on the rock stratum; a first damping buffer mechanism is arranged between the main body support column 3 and the auxiliary support 4; the main body support column 3 is also provided with a stable suspension part; the bottom of the platform body 1 is provided with a second damping buffer mechanism; a fixing mechanism is arranged between the platform body 1 and the auxiliary bracket 4.

Further, the top of the main body support column 3 is fixedly connected with the platform body 1; the bottom is arranged on the rock stratum; the first damping buffer mechanism comprises a hydraulic seat arranged on the auxiliary bracket 4; and a hydraulic column 5 is arranged on one side of the hydraulic seat close to the main body support column.

Further, the other end of the hydraulic column 5 opposite to the hydraulic seat is connected with the main body support column 3.

Specifically, when the platform body 1 and the main support column 3 are impacted by sea waves, the hydraulic column 5 on any side is compressed, and the impact force of sea water is absorbed through the hydraulic column 5. Note that this is performed in a state where the drilling operation is not performed, in which case the main body support column 3 and the platform body 1 can be effectively protected.

Further, the main body support column 3 is internally provided with a hollowed-out part 3.1; the stable suspension piece is arranged in the hollowed-out part 3.1; the stable suspension piece comprises a counterweight ball 6 suspended in the hollowed-out part.

Further, an anti-collision cushion layer is covered on the inner side wall of the hollowed-out part 3.1; the second damping buffer mechanism comprises an inflatable cushion arranged around the platform body.

Further, the inflatable cushion 7 is positioned above the waterline of the platform body 1; the inflatable cushion 7 is arranged in the outer frame 8; the outer frame is distributed around the platform body.

Further, the bottom of the outer frame is open.

Specifically, the inflatable cushion 7 can provide a certain buoyancy force for the platform body 1, lighten the load of the main support column 3 and the auxiliary support, and can reduce the kinetic potential energy when being impacted by seawater.

Further, a plurality of plug holes 4.1 are formed in the top of the auxiliary bracket 4; a sliding limit column 9 is arranged at the bottom of the platform body 1 opposite to the plug hole 4.1; the sliding limit column 9 is connected with the hydraulic cylinder.

Specifically, when drilling operation is required to be performed, and stability of the platform body 1 is maintained, the sliding limiting column 9 is driven to descend by the hydraulic cylinder and is inserted into the insertion hole 4.1, so that the relative positions of the platform body 1 and the auxiliary support 4 are fixed.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. An offshore drilling platform stabilising arrangement, includes the platform body, its characterized in that: a main body supporting column is arranged below the platform body; an auxiliary bracket is arranged on the outer side of the main body support column; the top end of the auxiliary bracket is connected with the bottom of the platform body; the bottom end of the auxiliary support is fixedly arranged on the rock stratum; a first damping buffer mechanism is arranged between the main body support column and the auxiliary support; the main body support column is also provided with a stable suspension part; the bottom of the platform body is provided with a second damping buffer mechanism; a fixing mechanism is arranged between the platform body and the auxiliary support.

2. The offshore drilling platform stabilization device of claim 1, wherein: the top of the main body support column is fixedly connected with the platform body; the bottom is arranged on the rock stratum; the first damping buffer mechanism comprises a hydraulic seat arranged on the auxiliary bracket; and a hydraulic column is arranged on one side of the hydraulic seat, which is close to the main body support column.

3. The offshore drilling platform stabilization device of claim 2, wherein: the other end of the hydraulic column opposite to the hydraulic seat is connected with the main body support column.

4. A marine drilling platform stabilising arrangement according to claim 3, wherein: the main body support column is internally provided with a hollowed-out part; the stable suspension piece is arranged in the hollowed-out part; the stable suspension piece comprises a counterweight ball suspended in the hollowed-out part.

5. The offshore drilling platform stabilization device of claim 4, wherein: an anti-collision cushion layer covers the inner side wall of the hollowed-out part; the second damping buffer mechanism comprises an inflatable cushion arranged around the platform body.

6. The offshore drilling platform stabilization device of claim 5, wherein: the inflatable cushion is positioned above the waterline of the platform body; the inflatable cushion is arranged in the outer frame; the outer frame is distributed around the platform body.

7. The offshore drilling platform stabilization device of claim 6, wherein: the bottom of the outer frame is provided with an opening.

8. The offshore drilling platform stabilization device of claim 7, wherein: the top of the auxiliary bracket is provided with a plurality of inserting holes; a sliding limit column is arranged at the bottom of the platform body opposite to the plug hole; the sliding limit column is connected with the hydraulic cylinder.