Combined wellhead platform

Abstract

The utility model provides a combined well mouth platform. The combined well mouth platform comprises a lifting mechanism, a supporting frame, a supporting panel, a protective support and an anti-skid escalator. The lifting mechanism is installed at the bottom of the supporting frame in a height-adjustable mode and used for adjusting the height of the supporting frame. The supporting frame is arranged over a well mouth. The supporting panel is laid on the upper surface of the supporting frame and located over a well mouth. The protective support is installed on the side wall of the supporting frame and arranged on the peripheral side wall of the supporting panel in a surrounding mode. And the top of the antiskid ladder is connected with one side of the supporting frame. The device is high in overall stability and convenient to disassemble and assemble, and a safe and stable operation platform can be provided for wellhead operators.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of oilfield production equipment, in particular to a combined wellhead platform. BACKGROUND

[0002] In the operation of oil-water wells, with the popularization of automatic well repair equipment such as pipe prying machines and pneumatic slips, the wellhead operation construction operation surface is lifted by about 1.2 meters than the traditional construction operation surface. In order to facilitate operation, the site uses a 0.6m*2.5m platform board on the overall frame.

[0003] However, during use, such wellhead operation platform not only takes time and effort, but also has the following disadvantages: first, due to the different sizes of wellhead pools, the length of a single platform board is less than the width of the wellhead pool, so that many wellhead pools still need to use steel cross beams when laying platform boards, which easily leads to the wellhead platform not meeting the flatness requirement after using the cross beams; second, the height of each well is different, and the fixed platform cannot be adjusted in height according to the site conditions; third, single platform hoisting and lifting are easy to cause damage and cost waste. CONTENT OF THE UTILITY MODEL

[0004] One of the purposes of the present application is to provide a combined wellhead platform, which aims to solve the problem of inconvenient use of the existing wellhead operation platform.

[0005] The technical solution of the present application is:

[0006] A combined wellhead platform, comprising a lifting mechanism, a support frame, a support panel, a protective support and an anti-skid staircase; the lifting mechanism is adjustably installed at the bottom of the support frame and used to adjust the height of the support frame; the support frame is arranged directly above the wellhead; the support panel is laid on the upper surface of the support frame and directly above the wellhead; the protective support is installed on the side wall of the support frame and surrounds the side wall of the support panel; and the anti-skid staircase is arranged obliquely and connected to one side of the support frame at the top.

[0007] As a technical solution of the present application, the lifting mechanism comprises a plurality of telescopic legs and a plurality of footings; the footings are installed at the bottom of the corresponding telescopic legs; and the telescopic legs are respectively and spacedly installed at the bottom of the support frame and used to adjust the height of the support frame.

[0008] As a technical solution of the present application, the telescopic legs are arranged obliquely and in a spreader shape between two adjacent telescopic legs.

[0009] As a technical solution of the present application, the angle between the telescopic legs and the support frame is 93°.

[0010] As a technical scheme of the present application, the support frame is composed of two support frames that jointly enclose the operation opening for accommodating the wellhead; each of the support frames is welded by a plurality of oil pipes, and the two support frames are connected by bolts and nuts; the end of one of the support frames is provided with a tapered guide pin that is inserted into the end of the other support frame.

[0011] As a technical scheme of the present application, a plurality of limiting slots are installed on the circumferential wall of the support frame at intervals, and the protective support is inserted into the limiting slots.

[0012] As a technical scheme of the present application, the bottom of the support frame has a plurality of support legs, and each of the support legs is connected with a positioning sleeve on one side; the lifting mechanism is adjustably connected with the positioning sleeves.

[0013] As a technical scheme of the present application, the support panel is sequentially spliced by a plurality of anti-skid plates, and the anti-skid plate above the wellhead has an operation opening for accommodating the wellhead.

[0014] As a technical scheme of the present application, the anti-skid plate above the wellhead is jointly spliced by a first splicing plate and a second splicing plate, and the first splicing plate and the second splicing plate jointly enclose the operation opening.

[0015] As a technical scheme of the present application, the protective support includes a plurality of protective fences; the protective fences are respectively detachably installed on the side wall of the support frame and enclose the circumferential wall of the support panel.

[0016] The present application has the following beneficial effects:

[0017] The device can adjust the overall height according to the actual use requirements by setting the lifting mechanism at the bottom of the support frame, thereby being suitable for the construction operation of wellheads of different heights; at the same time, the support frame is arranged above the wellhead, and the support panel is laid thereon, which has high flatness and can provide a safe and stable operation platform for the wellhead operation of the construction site. In addition, the structures in the device are connected in a detachable manner, which is convenient and fast for disassembly, assembly and transportation, saves time and effort, and can reduce costs. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0019] Figure 1 The combined wellhead platform installation schematic diagram provided for the embodiments of the present application;

[0020] Figure 2 The combined wellhead platform schematic diagram provided for the embodiments of the present application;

[0021] Figure 3 The support frame and support panel assembly schematic diagram provided for the embodiments of the present application;

[0022] Figure 4 The support frame and support panel exploded schematic diagram provided for the embodiments of the present application;

[0023] Figure 5 The support frame exploded schematic diagram provided for the embodiments of the present application.

[0024] Figure legend: 1-wellhead; 2-lifting mechanism; 3-support frame; 4-support panel; 5-protection bracket; 6-anti-skid staircase; 7-telescopic support leg; 8-anchorage; 9-support frame; 10-bolt; 11-nut; 12-tapered guide pin; 13-limiting slot; 14-support leg; 15-positioning sleeve; 16-anti-skid plate; 17-operation port; 18-first splicing plate; 19-second splicing plate; 20-guardrail; 21-workover truck. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] It should be noted that like reference numerals and characters refer to like elements throughout the following figures and the description, and thus, once certain terms are defined in one figure, they should not necessitate further delineation and explanation in a following figure.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] In addition, in the present application, unless otherwise explicitly specified and limited, the first feature above or below the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature therebetween. Moreover, the first feature above, above and above the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature below, below and below the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "provided", "connected", "connected" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Embodiment:

[0033] Please refer to Figure 1 , in conjunction with Figures 2 to 5The application provides a combined wellhead platform which is installed on the workover truck 21 and is right above the wellhead 1; the combined wellhead platform mainly comprises a lifting mechanism 2, a support frame 3, a support panel 4, a protective support 5 and an anti-skid staircase 6; the lifting mechanism 2 is adjustably installed at the bottom of the support frame 3 and is used for adjusting the height of the support frame 3; meanwhile, the support frame 3 is arranged right above the wellhead 1; the support panel 4 is arranged on the upper surface of the support frame 3 and is right above the wellhead 1; in addition, the protective support 5 is installed on the side wall of the support frame 3 and surrounds the side wall of the support panel 4; and the anti-skid staircase 6 is arranged in an inclined manner and is connected with one side of the support frame 3.

[0034] Further, the support frame 3 is composed of two support frames 9 which surround the operation port 17 of the wellhead 1; each support frame 9 is welded by a plurality of oil pipes, which not only ensures the strength of the device as a whole but also ensures the service life of the device; the bottom surface of the end of each support frame 9 is welded with an ear plate; the corresponding ear plates on the bottom surfaces of the ends of the two support frames 9 are fixedly connected by the bolt 10 and the nut 11; meanwhile, the end of one support frame 9 is provided with the taper guide pin 12 which is coaxially connected with the end of the support frame 9 and is inserted into the oil pipe of the end of the other support frame 9, so that the taper guide pin 12 can guide and stabilize the connection between the two support frames 9 and improve the strength of the connection between the two support frames 9. In addition, a plurality of limiting slots 13 are arranged on the side wall of each support frame 9 in a spaced manner, the slot openings of the limiting slots 13 are upwardly arranged, and each protective fence 20 in the protective support 5 is inserted into the corresponding limiting slot 13, which is convenient to disassemble and assemble and saves time and effort. A plurality of support legs 14 are welded on the bottom of the support frame 9, and a positioning sleeve 15 for installing the telescopic leg 7 of the lifting mechanism 2 is connected to one side of each support leg 14.

[0035] Meanwhile, the lifting mechanism 2 comprises a plurality of telescopic legs 7 and a plurality of ground anchors 8; the ground anchor 8 is installed at the bottom of the corresponding telescopic leg 7 and plays a supporting and stabilizing role for the whole device, so as to ensure that the telescopic leg 7 has a large contact area with the ground; the plurality of telescopic legs 7 are respectively and adjustably connected to the corresponding positioning sleeve 15 at the bottom of the support frame 9, a plurality of positioning holes are arranged on the telescopic leg 7 in a spaced manner along the height direction, the positioning holes penetrate through the opposite two outer side walls of the telescopic leg 7, and when the one end of the telescopic leg 7 is inserted into the positioning sleeve 15, the telescopic leg 7 can be fixed on the bottom of the support frame 9 by inserting the positioning pin into the positioning hole at the lower part of the positioning sleeve 15, which is mainly used for adjusting the height of the support frame 3 so that the support frame 3 is suitable for the work operation of the wellhead 1 with different heights.

[0036] Specifically, the support legs 14 can be four, mainly used for the device to bear its overall weight when about 0.4m, to ensure the overall stability.

[0037] It should be noted that in this embodiment, the telescopic legs 7 are inclinedly arranged, and the adjacent two telescopic legs 7 are arranged in a spreader shape. Specifically, the angle between the telescopic legs 7 and the support frame 3 is 93°, and the support frame 3 is horizontally arranged on the workover truck 21, and the angle between the telescopic legs 7 and the vertical direction is 3°; through many actual tests, it is known that when the angle between the telescopic legs 7 and the vertical direction is 3°, the stability of the whole device is the strongest, and the overall structure has the lowest loss and the longest service life. The telescopic legs 7 can be adjusted within the range of 0.4-1.5m, which can effectively avoid various operations of the wellhead 1 and meet the use of various well conditions.

[0038] Further, the support panel 4 is sequentially spliced by a plurality of anti-skid plates 16, and the plurality of anti-skid plates 16 are laid on the upper surface of the support frame 3, and are clamped and limited by the plurality of limiting slots 13 on the side walls of the support frame 3 and the kick plates on the upper and lower parts of the guardrails 20, and will not be displaced, and the anti-skid plate 16 directly above the wellhead 1 has an operation port 17 for accommodating the wellhead 1. Specifically, the anti-skid plate 16 directly above the wellhead 1 is spliced by a first splicing plate 18 and a second splicing plate 19, and the first splicing plate 18 and the second splicing plate 19 jointly enclose the operation port 17.

[0039] It should be noted that the operation port 17 is a Ф0.8m round hole to avoid the settings on the wellhead 1.

[0040] At the same time, the protective support 5 includes a plurality of guardrails 20; the plurality of guardrails 20 are respectively detachably mounted on the opposite two side walls of the support frame 3 and enclose the circumferential wall of the support panel 4; and the kick plate for limiting the support panel 4 is arranged in the lower cavity of the guardrail 20.

[0041] As can be seen from the above, the device adjusts the overall height of the device according to the actual use demand by arranging the telescopic legs 7 at the bottom of the support frame 3, so as to be suitable for the operation of the wellhead 1 of different heights; at the same time, the support frame 3 is arranged directly above the wellhead 1, and the support panel 4 is laid thereon, which has high flatness and can provide a safe and stable operation platform for the operation of the wellhead 1 in the operation site. In addition, the structures in the device are connected in a detachable manner, which is convenient and fast for disassembly and transportation, saves time and effort, and can reduce the cost.

[0042] The above descriptions are only the preferred embodiments of the present application, and are not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A modular wellhead platform, characterized by The utility model provides an adjustable height wellhead support device, which comprises a lifting mechanism, a support frame, a support panel, a protective support and a non-slip staircase. The lifting mechanism is adjustably installed at the bottom of the support frame and used to adjust the height of the support frame.

2. The combined wellhead platform of claim 1, wherein, The support panel is laid on the upper surface of the support frame and above the wellhead.

3. The combined wellhead platform of claim 2, wherein, The protective support is installed on the side wall of the support frame and surrounds the circumferential wall of the support panel.

4. The combined wellhead platform of claim 2, wherein, The non-slip staircase is obliquely arranged and connected to one side of the support frame.

5. The combined wellhead platform of claim 1, wherein, The lifting mechanism comprises a plurality of telescopic legs and a plurality of footings.

6. The combined wellhead platform of claim 5, wherein, The footings are installed at the bottom of the corresponding telescopic legs.

7. The combined wellhead platform of claim 5, wherein, The telescopic legs are obliquely arranged and in a splayed shape between two adjacent telescopic legs.

8. The combined wellhead platform of claim 1, wherein, The angle between the telescopic legs and the support frame is 93°.

9. The combined wellhead platform of claim 8, wherein, The support frame is composed of two support frames that surround the operation port of the wellhead.

10. The combined wellhead platform of claim 1, wherein, Each support frame is welded by a plurality of oil pipes and connected to the other support frame by bolts and nuts. One end of one support frame is provided with a tapered guide pin inserted into the other end of the other support frame. A plurality of limiting slots are installed on the circumferential wall of the support frame. The bottom of the support frame has a plurality of support legs, and each support leg is connected to a positioning sleeve. The lifting mechanism is adjustably connected to the positioning sleeve. The support panel is composed of a plurality of non-slip panels. The non-slip panel above the wellhead is composed of a first panel and a second panel. The protective support comprises a plurality of protective fences. Each protective fence is detachably installed on the side wall of the support frame and surrounds the circumferential wall of the support panel.

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