Four-ram blowout preventer test tool

By designing a four-gate blowout preventer test fixture, efficient testing of the blowout preventer's sealing performance and shear blade performance was achieved, and the process of moving and removing the blowout preventer was simplified, solving the problem of low efficiency in the existing technology.

CN223525942UActive Publication Date: 2025-11-07SHAANXI SAIBEITONG OILFIELD TECHNICAL SERVICES CO LTD
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Patent Information

Application Number
CN202423111139.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-07
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing four-gate blowout preventer is inefficient in testing sealing and shear blade performance, and removing the blowout preventer is inconvenient, affecting normal use and testing efficiency.

Method used

A four-gate blowout preventer test fixture was designed, including a base plate, support legs, and first and second test structures. The sealing performance is tested by an electric push rod and a connecting plate, the performance of the shear blade is tested by the second test structure, and the blowout preventer is easily moved and removed by a moving plate and a rotating frame.

Benefits of technology

It improves the efficiency of testing the blowout preventer's sealing performance and the shear blade's performance, facilitates the movement and removal of the blowout preventer, and enhances testing efficiency and ease of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223525942U_ABST
Patent Text Reader

Abstract

The utility model discloses a four-ram blowout preventer test tool, which comprises a bottom plate, the bottom plate is provided with a through hole, the lower end of the bottom plate is provided with a plurality of supporting legs, the lower end of the bottom plate is provided with a first test structure, and the test structure comprises a first electric push rod, a connecting plate, a nozzle and a pump body. A water tank is fixedly arranged at the lower end of the bottom plate, and the sealing performance of the blowout preventer is detected through a first test structure; a supporting frame is fixedly arranged at the side end of the bottom plate, a rotating frame is arranged on the supporting frame, a second test structure is arranged on the rotating frame, the second test structure comprises a moving plate, a fixing frame, a second electric push rod and a test rod, the fixing frame is fixedly arranged on the moving plate, the second electric push rod is fixedly arranged on the fixing frame, and the test rod is arranged on the second electric push rod. And the working performance of the shearing blade is tested through the second test structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the blowout preventer field more specifically, it relates to a four gate board blowout preventer test tool. BACKGROUND

[0002] In the process of oil drilling, with the deepening of the drill pipe, the fluid in the bottom layer can ascend along the drill pipe and blowout occurs, thus causing danger, therefore it is necessary to use the blowout preventer to prevent the leakage of fluid, four gate board blowout preventer includes full seal gate board, shear blade and half seal gate board etc., when blowout occurs, half seal gate board closes and contacts with drill pipe, prevents the fluid that leaks to continue ascending, shear blade cuts off drill pipe, full seal gate board contacts each other, prevents fluid ascending, thereby preventing blowout from continuing to occur through multiple gate boards, after the assembly of blowout preventer is completed, it needs to use test tool to detect the sealing property of blowout preventer, prevents the fluid from leaking at the position of poor sealing during blowout, thereby affecting the normal use of blowout preventer, simultaneously, since the volume of blowout preventer is relatively large, after detection is completed, it is necessary to take down blowout preventer from test tool, and it is inconvenient to take down manually, and the efficiency is relatively low. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the problems in the prior art, the utility model provides a four gate board blowout preventer test tool to solve the technical problems mentioned in the background art.

[0005] (II) technical scheme

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a four gate board blowout preventer test tool, including bottom plate, the bottom plate is set up through hole, the lower end of bottom plate is provided with support leg, the support leg is provided with a plurality of, the bottom plate lower end is provided with first test structure, the test structure includes first electric push rod, connecting plate, spray head and pump body, the bottom plate lower end is fixedly provided with water tank, and the sealing property of blowout preventer is detected through first test structure;

[0007] The side end of bottom plate is fixedly provided with support frame, the support frame is provided with rotating frame, the rotating frame is provided with second test structure, the second test structure includes moving plate, fixed frame, second electric push rod and test rod, the fixed frame is fixedly arranged on moving plate, the second electric push rod is fixedly arranged on fixed frame, and the working performance of shear blade is tested through second test structure.

[0008] The utility model further sets up, first electric push rod fixedly arranged on the bottom plate, the mobile end of first electric push rod passes through the bottom plate, the connecting plate fixedly arranged on the mobile end of first electric push rod, the spray head fixedly arranged on the other end of connecting plate, the pump body fixedly arranged on the upper end of water tank, through first electric push rod drive spray head moves.

[0009] The utility model further sets up, the pump body is connected between water tank, first connecting pipe is arranged between the pump body and the spray head, the pump body is connected through first connecting pipe between the spray head, the upper end of connecting plate is fixedly arranged with rubber block, and first connecting pipe is flexible pipe, thereby convenient for the water in water tank is sprayed through the spray head.

[0010] The utility model further sets up, the bottom plate is opened and is equipped with the drain, second connecting pipe is arranged between the drain and water tank, the drain is connected through second connecting pipe between water tank, and the cooperation of drain and second connecting pipe is convenient for the water of detection flows back to water tank.

[0011] The utility model further sets up, the mobile end of second electric push rod is fixedly arranged with the thimble, is provided with screw threads on the inner wall of thimble, one end of test rod is provided with screw threads, and thimble and test rod are connected through screw threads, and movable plate is movably arranged on rotating stand, thereby being convenient for the connection between test rod and second electric push rod.

[0012] The utility model further sets up, both ends of movable plate are fixedly arranged with the hook, and threaded rod is arranged on rotating stand, and threaded rod and rotating stand are rotatably connected through bearing, threaded rod passes through movable plate, and threaded rod and movable plate are connected through screw threads, thereby being convenient for the position change of movable plate through threaded rod.

[0013] The utility model further sets up, the lower end of rotating stand is fixedly arranged with rotating column, rotating hole is opened in supporting frame, rotating column and rotating hole are matched with each other, and rotating column and rotating hole are rotatably connected through bearing, thereby being convenient for the rotation of rotating stand.

[0014] The utility model further sets up, and both rotating stand and supporting frame are opened and are equipped with connecting hole, the connecting hole is opened with a plurality of, and screw threads are arranged in connecting hole, and the connecting hole opened in rotating stand and the connecting hole opened in supporting frame are connected through bolt, thereby being convenient for the position of rotating stand is fixed in the test process.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a four-gate board blowout preventer test tool, has the following beneficial effects:

[0017] 1. The utility model discloses a first test structure is set up, when the sealing performance of blowout preventer is detected, places blowout preventer on the bottom plate, when the test rod simulates the drill rod and enters the inside of blowout preventer, first electric push rod contracts and moves the connecting plate and the shower nozzle, makes the shower nozzle enter blowout preventer through the hole, realizes the sealing through the contact of rubber block and the bottom of blowout preventer, pumps the water in the water tank into the inside of blowout preventer through the pump body, and starts blowout preventer, observes whether the leakage occurs at each connecting position of blowout preventer, thereby realizes the test of the sealing condition of blowout preventer.

[0018] 2. The utility model discloses a second experiment structure is set up, whether the shear blade of blowout preventer can cut off the drill rod smoothly is detected through the second test structure, is connected through the thread between test rod and the collar, the elongation of the second electric push rod set up on the fixed frame drives test rod to enter the inside of blowout preventer, starts blowout preventer and makes shear blade move, observes whether shear blade can cut off test rod, thereby detects the effectiveness of shear blade through the second test structure.

[0019] 3. The utility model discloses a hook is set up at the both ends of moving plate, after detecting, connects between blowout preventer and hook through the lifting belt or iron chain etc., rotates screw rod and drives moving plate to go up, thereby promotes the height of blowout preventer, through the connection of rotating column and rotating hole between rotating frame and support frame, rotates rotating frame and changes the position of blowout preventer, thereby is convenient for taking blowout preventer from the whole test tool after detecting, thereby reduces the time of placing and moving. ACCURACY OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic diagram of four gate board blowout preventer test tooling;

[0021] Figure 2 It is a side view of whole structure schematic diagram of four gate board blowout preventer test tooling;

[0022] Figure 3 It is the cooperation structure schematic diagram of bottom plate and first test structure of four gate board blowout preventer test tooling;

[0023] Figure 4 It is the cooperation structure schematic diagram of moving plate and rotating frame of four gate board blowout preventer test tooling;

[0024] Figure 5 It is the structure schematic diagram of second test structure of four gate board blowout preventer test tooling.

[0025] In the figure: 1, the bottom plate; 2, through hole; 3, support leg; 4, first electric push rod; 5, connecting plate; 6, spray head; 7, pump body; 8, water tank; 9, support frame; 10, rotating frame; 11, moving plate; 12, fixed frame; 13, second electric push rod; 14, test rod; 15, first connecting pipe; 16, rubber block; 17, drain; 18, second connecting pipe; 19, collar; 20, hook; 21, threaded rod; 22, rotating column; 23, rotating hole; 24, connecting hole. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise stated, the orientation such as "up, down" is generally with respect to the direction shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0029] Please refer to Figures 1-5 A four-gate plate blowout preventer test tool, comprising a bottom plate 1, a through hole 2 is formed on the bottom plate 1, a support leg 3 is arranged at the lower end of the bottom plate 1, a plurality of support legs 3 are arranged, a first test structure is arranged at the lower end of the bottom plate 1, the test structure comprises a first electric push rod 4, a connecting plate 5, a spray head 6 and a pump body 7, a water tank 8 is fixedly arranged at the lower end of the bottom plate 1;

[0030] A support frame 9 is fixedly arranged at the side end of the bottom plate 1, a rotating frame 10 is arranged on the support frame 9, a second test structure is arranged on the rotating frame 10, the second test structure comprises a moving plate 11, a fixed frame 12, a second electric push rod 13 and a test rod 14, the fixed frame 12 is fixedly arranged on the moving plate 11, and the second electric push rod 13 is fixedly arranged on the fixed frame 12.

[0031] In the present embodiment, the bottom plate 1, the first test structure and the second test structure constitute the main structure of the entire test tool.

[0032] More specifically, the sealing performance of the blowout preventer is detected by the first test structure, and whether the shear blade of the blowout preventer can work normally is detected by the second test structure.

[0033] Please refer toFigures 1-5 As an embodiment of the blowout preventer detection: the first electric push rod 4 is fixedly arranged on the bottom plate 1, the moving end of the first electric push rod 4 penetrates through the bottom plate 1, the connecting plate 5 is fixedly arranged on the moving end of the first electric push rod 4, the nozzle 6 is fixedly arranged on the other end of the connecting plate 5, the pump body 7 is fixedly arranged on the upper end of the water tank 8, the pump body 7 is communicated with the water tank 8, the first connecting pipe 15 is arranged between the pump body 7 and the nozzle 6, the pump body 7 is communicated with the nozzle 6 through the first connecting pipe 15, the upper end of the connecting plate 5 is fixedly arranged with the rubber block 16, the drain port 17 is arranged on the bottom plate 1, the second connecting pipe 18 is arranged between the drain port 17 and the water tank 8, the drain port 17 is communicated with the water tank 8 through the second connecting pipe 18, the moving end of the second electric push rod 13 is fixedly arranged with the sleeve ring 19, the inner wall of the sleeve ring 19 is arranged with threads, one end of the test rod 14 is arranged with threads, the sleeve ring 19 is threadedly connected with the test rod 14, and the moving plate 11 is movably arranged on the rotating frame 10.

[0034] Specifically, when the sealing performance of the blowout preventer is detected, the blowout preventer is placed on the bottom plate 1, when the test rod 14 simulates the drill pipe entering the inside of the blowout preventer, the first electric push rod 4 is retracted to drive the connecting plate 5 and the nozzle 6 to move, so that the nozzle 6 enters the blowout preventer through the hole 2, the sealing is realized by the contact between the rubber block 16 and the bottom of the blowout preventer, the water in the water tank 8 is pumped into the inside of the blowout preventer through the pump body 7, and the blowout preventer is started, whether the blowout preventer leaks at each connection position is observed, whether the shear blade of the blowout preventer can smoothly cut off the drill pipe is detected by the second test structure, the test rod 14 is threadedly connected with the sleeve ring 19, the test rod 14 is driven into the inside of the blowout preventer by the elongation of the second electric push rod 13 arranged on the fixing frame 12, the blowout preventer is started to move the shear blade, and whether the shear blade can cut off the test rod 14 is observed.

[0035] Please refer to Figures 1-5 As an embodiment of the blowout preventer transfer: the hooks 20 are fixedly arranged at both ends of the moving plate 11, the threaded rods 21 are arranged on the rotating frame 10, the threaded rods 21 are rotatably connected with the rotating frame 10 through bearings, the threaded rods 21 penetrate through the moving plate 11, the threaded rods 21 are threadedly connected with the moving plate 11, the rotating columns 22 are fixedly arranged at the lower ends of the rotating frames 10, the rotating holes 23 are arranged on the support frames 9, the rotating columns 22 and the rotating holes 23 are matched with each other, the rotating columns 22 are rotatably connected with the rotating holes 23 through bearings, the connecting holes 24 are arranged on the rotating frames 10 and the support frames 9, a plurality of connecting holes 24 are arranged, the connecting holes 24 are arranged with threads, and the connecting holes 24 arranged on the rotating frames 10 are boltedly connected with the connecting holes 24 arranged on the support frames 9.

[0036] Specifically, after the detection is completed, the blowout preventer is connected with the hook 20 through a sling or a chain, the threaded rod 21 is rotated to drive the moving plate 11 to rise, thereby lifting the height of the blowout preventer, the rotating column 22 and the rotating hole 23 between the rotating frame 10 and the support frame 9 are connected, the rotating frame 10 is rotated to change the position of the blowout preventer, thereby facilitating the blowout preventer to be removed from the whole test tool after the detection is completed.

[0037] In summary, the whole is used:

[0038] When the sealing performance of the blowout preventer is detected, the blowout preventer is placed on the bottom plate 1, when the test rod 14 simulates the drill rod entering the inside of the blowout preventer, the first electric push rod 4 is retracted to drive the connecting plate 5 and the nozzle 6 to move, the nozzle 6 enters the blowout preventer through the hole 2, the rubber block 16 is in contact with the bottom of the blowout preventer to realize sealing, the water in the water tank 8 is pumped into the inside of the blowout preventer through the pump body 7, and the blowout preventer is started, and whether leakage occurs at each connection position of the blowout preventer is observed.

[0039] When the second test structure is used to detect whether the shear blade of the blowout preventer can smoothly cut the drill rod, the test rod 14 is connected with the sleeve ring 19 through threads, the test rod 14 is driven into the inside of the blowout preventer through the elongation of the second electric push rod 13 arranged on the fixing frame 12, the blowout preventer is started to make the shear blade move, and whether the shear blade can cut the test rod 14 is observed.

[0040] When the blowout preventer is moved after the detection is completed, the blowout preventer is connected with the hook 20 through a sling or a chain, the threaded rod 21 is rotated to drive the moving plate 11 to rise, thereby lifting the height of the blowout preventer, the rotating column 22 and the rotating hole 23 between the rotating frame 10 and the support frame 9 are connected, the rotating frame 10 is rotated to change the position of the blowout preventer, thereby facilitating the blowout preventer to be removed from the whole test tool after the detection is completed.

[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, when the fixed connection is involved, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A test tool for a four ram preventer, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a through hole (2), the lower end of the bottom plate (1) is provided with supporting legs (3), the supporting legs (3) are provided with a plurality of supporting legs (3), the lower end of the bottom plate (1) is provided with a first test structure, the test structure comprises a first electric push rod (4), a connecting plate (5), a spray head (6) and a pump body (7), the lower end of the bottom plate (1) is fixedly provided with a water tank (8); The side end of the bottom plate (1) is fixedly provided with a support frame (9), the support frame (9) is provided with a rotating frame (10), the rotating frame (10) is provided with a second test structure, the second test structure comprises a moving plate (11), a fixed frame (12), a second electric push rod (13) and a test rod (14), the fixed frame (12) is fixedly arranged on the moving plate (11), and the second electric push rod (13) is fixedly arranged on the fixed frame (12).

2. The test fixture of claim 1, wherein: The first electric push rod (4) is fixedly arranged on the bottom plate (1), the moving end of the first electric push rod (4) penetrates through the bottom plate (1), the connecting plate (5) is fixedly arranged on the moving end of the first electric push rod (4), the spray head (6) is fixedly arranged on the other end of the connecting plate (5), and the pump body (7) is fixedly arranged on the upper end of the water tank (8).

3. The test fixture of claim 2, wherein: The pump body (7) is communicated with the water tank (8), the pump body (7) and the spray head (6) are provided with a first connecting pipe (15), the pump body (7) and the spray head (6) are communicated through the first connecting pipe (15), and the upper end of the connecting plate (5) is fixedly provided with a rubber block (16).

4. The test fixture of claim 2, wherein: The bottom plate (1) is provided with a drain port (17), the drain port (17) and the water tank (8) are provided with a second connecting pipe (18), and the drain port (17) and the water tank (8) are communicated through the second connecting pipe (18).

5. The test fixture of claim 1, wherein: The moving end of the second electric push rod (13) is fixedly provided with a sleeve ring (19), the inner wall of the sleeve ring (19) is provided with a thread, one end of the test rod (14) is provided with a thread, and the sleeve ring (19) and the test rod (14) are screwed.

6. A test fixture for a four ram preventer as defined in claim 5, wherein: Both ends of the moving plate (11) are fixedly provided with hooks (20), the rotating frame (10) is provided with a threaded rod (21), the threaded rod (21) and the rotating frame (10) are rotatably connected through a bearing, the threaded rod (21) penetrates through the moving plate (11), and the threaded rod (21) and the moving plate (11) are screwed.

7. The test fixture of claim 1, wherein: The lower end of the rotating frame (10) is fixedly provided with a rotating column (22), the support frame (9) is provided with a rotating hole (23), the rotating column (22) and the rotating hole (23) are matched with each other, and the rotating column (22) and the rotating hole (23) are rotatably connected through a bearing.

8. The test fixture of claim 7, wherein: The rotating frame (10) and the support frame (9) are provided with connecting holes (24), the connecting holes (24) are provided with multiple, the connecting holes (24) are provided with threads, and the connecting holes (24) provided on the rotating frame (10) and the connecting holes (24) provided on the support frame (9) are bolted.