A drilling rig walkway platform and drilling vessel therefor

Abstract

The present application provides a drilling platform corridor platform and a drilling and production ship thereof, the drilling platform corridor platform comprising a ring-shaped middle platform, two first W-shaped platforms and two second W-shaped platforms, and a valve platform passage; the ring-shaped middle platform is in a ring-shaped corridor structure; the first W-shaped platforms and the second W-shaped platforms are connected to two sides of the ring-shaped middle platform, and the first W-shaped platforms and the second W-shaped platforms on the two sides are respectively provided with first inclined ladders and second inclined ladders; one end of the valve platform passage is connected to the middle part of the ring-shaped middle platform, and the other end of the valve platform passage extends outward. The ring-shaped middle platform, the first W-shaped platforms, the second W-shaped platforms and the valve platform passage divide the drilling platform corridor platform into different areas, which helps to solve the technical problem that there is no drilling platform corridor platform matched with a tensioner guide sheave in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of passageway platform structure, in particular to a drilling platform passageway platform and a drilling and production vessel. BACKGROUND

[0002] The bottom of the drilling platform of the drilling and production vessel is often very concentrated in equipment, including a tensioner guide sheave, a rotary table, a rotary jet, and various pipe cable lifting points and valve accessories. Therefore, daily operation and maintenance are very important. In order to meet the needs of various maintenance operations in the air at the bottom of the drilling platform (the top of the moon pool), the design of a service platform that is compatible, simple, and safe is very urgent and necessary. In the past, the drilling and production vessel often used a simple square platform, which although barely met the needs, had various defects.

[0003] Therefore, a drilling platform passageway platform is urgently needed to help solve the technical problem of the lack of a drilling platform passageway platform that cooperates with a tensioner guide sheave. SUMMARY

[0004] In an embodiment, the present application provides a drilling platform passageway platform, which is divided into different areas by a ring-shaped intermediate platform, a first W-shaped platform, a second W-shaped platform, and a valve platform passage, to help solve the technical problem of the lack of a drilling platform passageway platform that cooperates with a tensioner guide sheave.

[0005] The drilling platform passageway platform comprises a ring-shaped intermediate platform, two first W-shaped platforms and two second W-shaped platforms on both sides, and a valve platform passage.

[0006] The ring-shaped intermediate platform is a ring-shaped passageway structure.

[0007] The first W-shaped platform and the second W-shaped platform are connected to both sides of the ring-shaped intermediate platform, and each of the first W-shaped platform and the second W-shaped platform has a first inclined ladder and a second inclined ladder.

[0008] One end of the valve platform passage is connected to the middle of the ring-shaped intermediate platform, and the other end of the valve platform passage extends outward.

[0009] In an embodiment, the first W-shaped platform comprises a first transverse passageway, a first longitudinal passageway and a second longitudinal passageway, a first connecting passageway, and a second connecting passageway.

[0010] The first longitudinal passageway and the second longitudinal passageway are arranged in parallel and spaced apart, and one end of each of the first longitudinal passageway and the second longitudinal passageway is connected to the first transverse passageway, and the other end of each of the first longitudinal passageway and the second longitudinal passageway faces the ring-shaped intermediate platform.

[0011] One end of the first connecting passageway is connected to one end of the first transverse passageway, and the first connecting passageway is connected to the ring-shaped intermediate platform.

[0012] The second connecting passageway is connected to the other end of the first transverse passageway, extends outward, and is disconnected from the other end of the first transverse passageway, and finally forms a fourth space, a fifth space, and a sixth space at one side of the annular intermediate platform and the center.

[0013] In an embodiment, the first space, the second space, and the third space are rectangular, and geometric center lines thereof pass through the center and are at angles to each other.

[0014] In an embodiment, the second W-shaped platform comprises a second transverse passageway, a third longitudinal passageway, and a fourth longitudinal passageway.

[0015] The third longitudinal passageway and the fourth longitudinal passageway are arranged in parallel at intervals, and one end of the third longitudinal passageway and the fourth longitudinal passageway is connected to the second transverse passageway, and the other end of the third longitudinal passageway and the fourth longitudinal passageway is directed toward the annular intermediate platform.

[0016] One end of a third connecting passageway is connected to one end of the second transverse passageway, and the third connecting passageway is connected to the annular intermediate platform.

[0017] One end of a fourth connecting passageway is connected to the other end of the second transverse passageway, and the fourth connecting passageway is connected to the other end of the second transverse passageway, and finally forms a fourth space, a fifth space, and a sixth space at one side of the annular intermediate platform and the center.

[0018] In an embodiment, the annular intermediate platform, the first W-shaped platform and the second W-shaped platform on both sides, and the valve platform passage on both sides are provided with guardrails.

[0019] In an embodiment, the guardrails comprise a plurality of top supports and a plurality of crossbeams.

[0020] The top supports are arranged vertically and in parallel in sequence.

[0021] The crossbeams are arranged to connect between adjacent top supports.

[0022] In an embodiment, the annular intermediate platform, the first W-shaped platform and the second W-shaped platform on both sides, and the valve platform passage are laid with grating and passageways are formed by profiles.

[0023] In an embodiment, the present application provides a drilling and production vessel with a drilling floor passageway platform, and the drilling and production vessel comprises the drilling floor passageway platform.

[0024] The drilling floor passageway platform is arranged at the bottom of the drilling floor.

[0025] In an embodiment, the rig walkway platform is located in the middle of the four rig legs.

[0026] In an embodiment, the first and second spaces, and the third, fourth, fifth, and sixth spaces are arranged with a tensioner guide wheel set. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a structural schematic diagram of a rig walkway platform according to an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a schematic diagram of a surrounding structure according to another embodiment of the present application;

[0029] Figure 3 FIG. 3 is a structural schematic diagram of a ramp according to another embodiment of the present application;

[0030] Figure 4 FIG. 4 is a structural schematic diagram of a rig walkway platform according to another embodiment of the present application;

[0031] REFERENCE NUMERALS

[0032] annular middle platform 1

[0033] first W-shaped platform 2

[0034] first lateral walkway 21

[0035] first longitudinal walkway 22

[0036] second longitudinal walkway 23

[0037] first connecting walkway 24

[0038] second connecting walkway 25

[0039] first space 26

[0040] second space 27

[0041] third space 28

[0042] second W-shaped platform 3

[0043] second lateral walkway 31

[0044] third longitudinal walkway 32

[0045] fourth longitudinal walkway 33

[0046] third connecting walkway 34

[0047] fourth connecting walkway 35

[0048] fourth space 36

[0049] The Fifth Space 37

[0050] Sixth Space 38

[0051] First inclined ladder 4

[0052] Second inclined ladder 5

[0053] Guardrail 6

[0054] Top support 61

[0055] Beam 62 Specific implementation method:

[0056] 1. Ordinary maintenance is often done on a square platform. Although it is easy to design and install, it can only meet the needs of repairing major equipment and cannot perfectly cover the various equipment and accessories in the entire bottom area of ​​the drilling floor.

[0057] 2. The design of ordinary maintenance passages is often unreasonable, and pipelines cross over the top of the passages, posing certain safety hazards to operators.

[0058] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art and provide a new service platform at the bottom of the drilling floor that is simple to manufacture, easy to install, and reliable to use. It can meet the maintenance needs of various major equipment at the bottom of the drilling floor, such as tensioner guide wheels, turntables, rotary sprayers, and telescopic joints, as well as various suspension points and various drilling fluid remote control valves.

[0059] Figure 1 This is a structural schematic diagram of a drilling floor aisle platform in one embodiment of the present invention; Figure 2 This is a schematic diagram of the surrounding structure in another embodiment of the present invention; Figure 3 A schematic structural diagram of an inclined ladder in another embodiment of the present invention; Figure 4 It is a schematic diagram of the overall structure of a drilling platform aisle platform in another embodiment of the present invention.

[0060] like Figures 1 to 4 As shown, in one embodiment, the present invention provides a drilling platform passage platform, the drilling platform passage platform includes an annular middle platform 1, a first W-shaped platform 2 and a second W-shaped platform 3 on both sides, and a valve platform channel 5;

[0061] The first W-shaped platform 2 and the second W-shaped platform 3 are connected to both sides of the annular middle platform 1. The first W-shaped platform 2 and the second W-shaped platform 3 on both sides have a first inclined ladder 4 and a second inclined ladder 5 respectively.

[0062] One end of the valve platform channel 5 is connected to the middle of the annular intermediate platform 1 , and the other end of the valve platform channel 5 extends outward.

[0063] The specific structure of the drilling floor aisle platform is provided in the embodiment. The first W-shaped platform 2 and the second W-shaped platform 3 are oppositely arranged to set the spatial positions of the tensioner guide wheels, the rotary table and the rotary jet.

[0064] In an embodiment, the first W-shaped platform 2 comprises a first transverse aisle 21 and first and second longitudinal aisles 22 and 23.

[0065] The first and second longitudinal aisles 22 and 23 are arranged in parallel and spaced apart, and one end of each of the first and second longitudinal aisles 22 and 23 is connected to the first transverse aisle 21, and the other end of each of the first and second longitudinal aisles 22 and 23 is directed towards the annular intermediate platform 1.

[0066] One end of the first connecting aisle 24 is connected to one end of the first transverse aisle 21, and the first connecting aisle 24 is connected to the annular intermediate platform 1.

[0067] One end of the second connecting aisle 25 is connected to the other end of the first transverse aisle 21, and the second connecting aisle 25 extends outwardly and is disconnected from the other end of the first transverse aisle 21, and finally, the first and second spaces 26 and 27 and the third space 28 are formed on one side of the annular intermediate platform 1 and are angled with respect to the center.

[0068] The specific spatial distribution implementation is provided in the embodiment.

[0069] In an embodiment, the first space 26 and the second and third spaces 27 and 28 are rectangular, and the geometric center lines thereof pass through the center and are mutually angled.

[0070] The specific spatial distribution implementation of the first and second spaces 26 and 27 and the third space 28 is provided in the embodiment.

[0071] In an embodiment, the second W-shaped platform 3 comprises a second transverse aisle 31.

[0072] Third and fourth longitudinal aisles 32 and 33, which are arranged in parallel and spaced apart, and one end of each of the third and fourth longitudinal aisles 32 and 33 is connected to the second transverse aisle 31, and the other end of each of the third and fourth longitudinal aisles 32 and 33 is directed towards the annular intermediate platform 1.

[0073] One end of the third connecting aisle 34 is connected to one end of the second transverse aisle 31, and the third connecting aisle 32 is connected to the annular intermediate platform 1.

[0074] The fourth connecting passage 35 is connected with the other end of the second transverse passage 31, and the fourth connecting passage 35 is connected with the other end of the second transverse passage 31, and finally, the side of the annular intermediate platform 1 and the central angle fourth space 36 and the fifth space 37, and the sixth space 38 are formed.

[0075] Further provided in the embodiment is a specific structure of the second W-shaped platform 3.

[0076] In an embodiment, the guardrail 6 comprises a plurality of top supports 61 and a plurality of cross beams 62.

[0077] The plurality of top supports 61 are vertically and side by side arranged in sequence.

[0078] The plurality of cross beams 62 are arranged between adjacent top supports 61 for connection.

[0079] Further provided in the embodiment is a specific structure of the guardrail 6.

[0080] In an embodiment, the annular intermediate platform, the first W-shaped platform 2 and the second W-shaped platform 3 on both sides, and the valve platform passage 5 are laid with grating, and the passages are formed by profiled materials.

[0081] Further provided in the embodiment is a specific embodiment of the annular intermediate platform, the first W-shaped platform 2 and the second W-shaped platform 3 on both sides, and the valve platform passage 5 laid with grating to form the passages.

[0082] In an embodiment, the present application further provides a drilling and production ship with a drilling platform passage platform, and the drilling and production ship comprises the drilling platform passage platform.

[0083] The drilling platform passage platform is arranged at the bottom of the drilling platform.

[0084] Further provided in the embodiment is a specific embodiment of the drilling platform passage platform arranged at the drilling platform position.

[0085] In an embodiment, the drilling platform passage platform is located in the middle of the four peripheral drilling platform legs 7.

[0086] Further provided in the embodiment is a specific embodiment of the space position relationship between the drilling platform passage platform and the drilling platform legs 7.

[0087] In an embodiment, the first space 26 and the second space 27, and the third space 28, the fourth space 35, the fifth space 36, and the sixth space 37 are arranged with the tensioner guide wheel set 8.

[0088] Beneficial effects:

[0089] 1. The intermediate polygonal annular platform is very suitable for the working personnel to approach the rotary table, the rotary sprayer, and the valve accessories and various electrical equipment around them.

[0090] 2. The two sides of the W-shaped platform perfectly fit 12 tensioner guide wheels, facilitating the maintenance of the pulley set, the maintenance of the wire rope, and the greasing work, etc. Meanwhile, the first linear platform can reach the position of the wellhead mud selection valve, covering the whole area of the reverse side of the drilling floor.

[0091] 3. The platform skillfully avoids various pipe and cable suspension points and banana guide wheels, and maximizes the use of the area at the bottom of the drilling floor (the top of the moon pool).

[0092] 4. The platform is divided and installed in a regional modular manner, is simple to make and easy to install, and is also convenient for the installation of various pipes, cables, and valves during the shipbuilding stage, etc.

[0093] The above-described embodiments only express some of the embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the patent of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A rig walkway platform, characterized by, The drilling floor corridor platform comprises: a ring-shaped middle platform (1) which is a ring-shaped corridor structure; two first W-shaped platforms (2) and second W-shaped platforms (3) connected to the two sides of the ring-shaped middle platform (1), and the first W-shaped platforms (2) and the second W-shaped platforms (3) are respectively provided with first inclined ladders (4) and second inclined ladders (5); a valve platform channel connected to the middle of the ring-shaped middle platform (1) at one end and extending outward at the other end; the first W-shaped platform (2) comprises: a first transverse corridor (21); a first longitudinal corridor (22) and a second longitudinal corridor (23) arranged side by side and spaced apart, and one end of the first longitudinal corridor (22) and the second longitudinal corridor (23) is connected with the first transverse corridor (21), and the other end of the first longitudinal corridor (22) and the second longitudinal corridor (23) is towards the ring-shaped middle platform (1); a first connecting corridor (25) connected with one end of the first transverse corridor (21), and the first connecting corridor (25) is connected with the ring-shaped middle platform (1); a second connecting corridor (24) connected with the ring-shaped middle platform (1) at one end, and the second connecting corridor (24) extends outward and is disconnected with the other end of the first transverse corridor (21), and finally, an angle first space (26) and a second space (27) and a third space (28) are formed on one side of the ring-shaped middle platform (1) and the center; the second W-shaped platform (3) comprises: a second transverse corridor (31); a third longitudinal corridor (32) and a fourth longitudinal corridor (33) arranged side by side and spaced apart, and one end of the third longitudinal corridor (32) and the fourth longitudinal corridor (33) is connected with the second transverse corridor (31), and the other end of the third longitudinal corridor (32) and the fourth longitudinal corridor (33) is towards the ring-shaped middle platform (1); a third connecting corridor (34) connected with one end of the second transverse corridor (31), and the third connecting corridor is connected with the ring-shaped middle platform (1); a fourth connecting corridor (35) connected with the other end of the second transverse corridor (31) at one end, and the fourth connecting corridor (35) is connected with the ring-shaped middle platform (1), and finally, an angle fourth space (36) and a fifth space (37) and a sixth space (38) are formed on one side of the ring-shaped middle platform (1) and the center; the W-shaped platforms on the two sides are matched with 12 tensioner guide wheels.

2. The rig floor walkway platform of claim 1, wherein, The first space (26), the second space (27) and the third space (28) are rectangular, and the geometric center lines thereof pass through the center and are at an angle to each other.

3. The rig floor walkway platform of claim 2, wherein, The ring-shaped middle platform, the first W-shaped platforms (2) and the second W-shaped platforms (3) on the two sides, and the valve platform channel are provided with guardrails (6) on both sides.

4. The rig floor walkway platform of claim 3, wherein, The guardrail (6) comprises: a plurality of top supports (61) arranged vertically and side by side in sequence; a plurality of cross beams (62) arranged between adjacent top supports (61) for connection.

5. The rig floor walkway platform of claim 4, wherein, The annular middle platform, the first W-shaped platform (2) and the second W-shaped platform (3) on both sides, and the valve platform passage are laid with grating and formed into a passageway by profiled materials.

6. A drillship having a drill floor walkway platform, characterized by, The drillship comprises: The drill floor passageway platform according to any one of claims 1 to 5; The drill floor passageway platform is arranged at the bottom of the drill floor.

7. A drillship having a drill floor walkway platform as claimed in claim 6, characterised in that, The drill floor passageway platform is located in the middle of the four peripheral drill floor legs (7).

8. A drillship having a drill floor walkway platform as claimed in claim 7, characterized in that, The first space (26) and the second space (27), and the third space (28), the fourth space (36), the fifth space (37), and the sixth space (38) are arranged to guide the tensioner guide wheel set (8).

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