Efficient operation equipment and method of interwell mobile blowout preventer stack

Abstract

The application discloses an interwell mobile blowout preventer group high-efficiency operation equipment and method, and belongs to the technical field of mobile blowout preventer groups. The interwell mobile blowout preventer group high-efficiency operation equipment comprises a first wellhead casing, a second wellhead casing and a blowout preventer assembly, the second wellhead casing is arranged on one side of the first wellhead casing, the blowout preventer assembly is arranged on the top of the first wellhead casing, a movable frame is arranged outside the first wellhead casing, a first movable plate is movably connected to the inside of the movable frame, a supporting plate is movably connected to the end of the first movable plate, and a limiting assembly is arranged on the upper surface of the supporting plate. The interwell mobile blowout preventer group high-efficiency operation equipment is convenient for the movement of the blowout preventer assembly, convenient for the alignment of the blowout preventer assembly and the second wellhead casing, reduces the time required for the installation of the blowout preventer assembly, avoids the jolt of the blowout preventer assembly in the transportation process, and ensures that the blowout preventer assembly does not tilt in the transportation process according to the original orientation, thereby facilitating the subsequent installation.

Description

Technical Field

[0001] This invention relates to the field of mobile blowout preventer (BOP) assembly technology, and more specifically, to a high-efficiency operating equipment and method for inter-well mobile BOP assembly. Background Technology

[0002] Compared to onshore drilling, deepwater drilling is more expensive, making onshore drilling the best option. Against the backdrop of persistently low international oil prices, scholars at home and abroad have begun to optimize drilling procedures in order to shorten the drilling cycle and save drilling costs.

[0003] Blowout preventers (BOPs) are used to close the wellhead during well testing, workover, and completion operations to prevent blowouts. They combine full and partial sealing functions into one device, featuring simple structure, easy operation, and high pressure resistance. They are commonly used safety sealing devices in oilfields to prevent blowouts. However, to save costs, the recycling of BOP assemblies is particularly important. Currently, moving BOP assemblies between wells is mostly done manually, requiring the use of cranes, transport vehicles, and other equipment, which is time-consuming and labor-intensive. Furthermore, during the hoisting and movement of BOP assemblies, they may be damaged or even injured due to bumps or other reasons. Summary of the Invention

[0004] 1. Technical problems to be solved

[0005] The purpose of this invention is to provide a highly efficient operating equipment and method for inter-well mobile blowout preventer (BOP) assemblies, in order to solve the problems mentioned in the background art above:

[0006] Blowout preventers (BOPs) are used to close the wellhead during well testing, workover, and completion operations to prevent blowouts. They combine full and partial sealing functions into one device, featuring simple structure, easy operation, and high pressure resistance. They are commonly used safety sealing devices in oilfields to prevent blowouts. However, to save costs, the recycling of BOP assemblies is particularly important. Currently, moving BOP assemblies between wells is mostly done manually, requiring the use of cranes, transport vehicles, and other equipment, which is time-consuming and labor-intensive. Furthermore, during the hoisting and movement of BOP assemblies, they may be damaged or even injured due to bumps or other reasons.

[0007] 2. Technical Solution

[0008] A high-efficiency operating equipment for a mobile blowout preventer (BOP) assembly between wells includes a first wellhead casing, a second wellhead casing, and a BOP assembly. The second wellhead casing is disposed on one side of the first wellhead casing, and the BOP assembly is disposed on top of the first wellhead casing. A movable frame is disposed outside the first wellhead casing, and a first movable plate is movably connected inside the movable frame. A support plate is movably connected to the end of the first movable plate, and a limit component is disposed on the upper surface of the support plate.

[0009] Preferably, the side of the movable frame is provided with a first slot that matches both ends of the first movable plate, and an electric telescopic rod is installed on the upper surface of the inner wall of the first slot. The output end of the electric telescopic rod is connected to the first movable plate.

[0010] Preferably, a groove is provided on the side surface of the first movable plate, and the support plate is movably connected to the first movable plate through the groove.

[0011] Preferably, the inside of the slide is rotatably connected to a first bidirectional lead screw connected to a support plate, and a first motor connected to the first bidirectional lead screw is mounted on the side surface of the first movable plate.

[0012] Preferably, the bottom of the side plate of the movable frame is provided with a mounting groove, a fifth fixing plate is provided inside the mounting groove, a rotating shaft is rotatably connected inside the fifth fixing plate, a gear is provided on the outer surface of the rotating shaft, a mounting plate is provided on the surface of the movable frame above the mounting groove, a second motor connected to the rotating shaft is provided on the inner side of the mounting plate, and a belt is provided on the outer surface of the rotating shaft.

[0013] Preferably, a first fixing plate and a second fixing plate are respectively provided on the outer side of the first wellhead casing and the second wellhead casing, and a support rail is provided between the first fixing plate and the second fixing plate. The upper surface of the support rail is provided with a toothed plate that matches the gear.

[0014] Preferably, the movable frame has an internal movable groove that matches the support rail, and the upper surface of the inner wall of the movable groove has a second slot that matches the toothed plate.

[0015] Preferably, the limiting assembly includes a third fixed plate, an L-shaped plate, a fourth fixed plate, a guide rod, a second movable plate, a top rod, a second bidirectional lead screw, a third motor, and a spring. The third fixed plate is disposed on the upper surface of the support plate, and an L-shaped plate is disposed on the upper surface of the support plate on one side of the third fixed plate. The support plate and the L-shaped plate are elastically connected together internally to the top rod, and the side surface of the L-shaped plate is movably connected to the second movable plate.

[0016] Preferably, a spring is provided on the outside of the top rod between the support plate and the L-shaped plate, a fourth fixing plate is provided at the bottom of the side surface of the L-shaped plate, and guide rods and a second bidirectional lead screw connected to the second movable plate are respectively provided between the two ends of the fourth fixing plate and the L-shaped plate, and a third motor connected to the second bidirectional lead screw is installed on the upper surface of the L-shaped plate.

[0017] A highly efficient operation method for a mobile blowout preventer (BOP) assembly between wells, comprising the following steps:

[0018] S1: First, the staff moves the mobile frame to the appropriate position. Then, the first motor drives the first bidirectional lead screw to rotate, so that the support plates move towards each other to the bottom of the blowout preventer assembly. When the support plates contact the blowout preventer assembly, the blowout preventer assembly will press against the top rod. At this time, the third motor drives the second movable plate to move in the opposite direction, pressing against the top rod, so that the top rod is fixed.

[0019] S2: The second motor drives the gear on the rotating shaft to move on the toothed plate, which in turn drives the moving frame to move on the support rail, thereby moving the blowout preventer assembly;

[0020] S3: The electric telescopic rod drives the first movable plate, which in turn drives the support plate and the blowout preventer assembly above it to move upward, so that the blowout preventer assembly is separated from the first wellhead casing. Then, the movable frame is moved to align the blowout preventer assembly with the second wellhead casing. Finally, the electric telescopic rod drives the first movable plate, which in turn drives the support plate and the blowout preventer assembly above it to move downward and connect with the second wellhead casing.

[0021] 3. Beneficial effects

[0022] Compared with the prior art, the advantages of this invention are:

[0023] 1) When using this high-efficiency working equipment for the inter-well mobile blowout preventer (BOP) assembly, the first motor drives the first bidirectional lead screw to rotate, causing the support plates to move towards each other to the bottom of the BOP assembly. Then, the electric telescopic rod drives the first movable plate, which in turn drives the support plate and the BOP assembly above it to move upward, causing the BOP assembly to detach from the first wellhead casing. Then, the movable frame is moved to align the BOP assembly with the second wellhead casing. Finally, the electric telescopic rod drives the first movable plate, which in turn drives the support plate and the BOP assembly above it to move downward to connect with the second wellhead casing, saving time and effort.

[0024] 2) When using the high-efficiency operating equipment of this inter-well mobile blowout preventer assembly, the second motor drives the gear on the rotating shaft to move on the toothed plate, which in turn drives the mobile frame to move on the support rail, thereby moving the blowout preventer assembly. The support rail ensures that the mobile frame will not shake during the movement, and can accurately move the blowout preventer assembly above the second wellhead casing, which makes it easier to align the blowout preventer assembly with the second wellhead casing and reduces the time required for blowout preventer assembly installation.

[0025] 3) When the high-efficiency working equipment of this inter-well mobile blowout preventer (BOP) assembly is in use, the BOP assembly will press against the push rod when the support plate comes into contact with the BOP assembly. At this time, the second movable plate is driven by the third motor to move in the opposite direction and press against the push rod, so that the push rod is fixed. The push rod realizes the limit of the BOP assembly, which avoids the BOP assembly from shaking during transportation. Moreover, the BOP assembly is in its original position and will not tilt during transportation, which facilitates subsequent installation. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the mobile frame structure of the present invention;

[0028] Figure 3 for Figure 2 A magnified view of part A in the image;

[0029] Figure 4 This is a schematic diagram of the guide rod structure of the present invention;

[0030] Figure 5 This is a schematic diagram of the spring structure of the present invention;

[0031] Figure 6 This is a schematic diagram of the rotating shaft structure of the present invention.

[0032] The following are the labeling details in the diagram: 1. First wellhead casing; 2. Blowout preventer assembly; 3. Second wellhead casing; 4. First fixed plate; 5. Support rail; 6. Toothed plate; 7. Second fixed plate; 8. Moving frame; 9. First slot; 10. Electric telescopic rod; 11. First movable plate; 12. First motor; 13. Slide groove; 14. First double-acting lead screw; 15. Support plate; 16. Movable groove; 17. Second slot; 18. Second motor; 19. Belt; 20. Rotating shaft; 21. Gear; 22. Third fixed plate; 23. L-shaped plate; 24. Fourth fixed plate; 25. Guide rod; 26. Second movable plate; 27. Top rod; 28. Second double-acting lead screw; 29. ​​Third motor; 30. Spring; 31. Fifth fixed plate; 32. Mounting plate. Detailed Implementation

[0033] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0034] In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] Example 1:

[0037] Blowout preventers (BOPs) are used to close the wellhead during well testing, workover, and completion operations to prevent blowouts. They combine full and partial sealing functions into one device, featuring simple structure, easy operation, and high pressure resistance. They are commonly used safety sealing devices in oilfields to prevent blowouts. However, to save costs, the cyclical use of BOP assemblies is particularly important. Currently, most BOP assemblies are moved between wells manually, requiring the use of cranes, transport vehicles, and other equipment, which is time-consuming and labor-intensive. The following solutions address this problem.

[0038] Please see Figures 1 to 6A high-efficiency operating equipment for a mobile blowout preventer (BOP) assembly in an inter-wellbore configuration includes a first wellhead casing 1, a second wellhead casing 3, and a BOP assembly 2. The second wellhead casing 3 is located on one side of the first wellhead casing 1, and the BOP assembly 2 is located on top of the first wellhead casing 1. A movable frame 8 is provided outside the first wellhead casing 1, and a first movable plate 11 is movably connected inside the movable frame 8. A support plate 15 is movably connected to the end of the first movable plate 11, and a limit assembly is provided on the upper surface of the support plate 15. A first bidirectional lead screw 14 is driven by a first motor 12 to rotate. The rotation causes the support plate 15 to move towards each other to the bottom of the blowout preventer assembly 2. Then, the electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move upward, so that the blowout preventer assembly 2 is separated from the first wellhead casing 1. Then, the movable frame 8 is moved to align the blowout preventer assembly 2 with the second wellhead casing 3. Finally, the electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move downward and connect with the second wellhead casing 3, which saves time and effort.

[0039] As a further aspect of the present invention: the side of the movable frame 8 is provided with a first slot 9 that matches both ends of the first movable plate 11. An electric telescopic rod 10 is installed on the upper surface of the inner wall of the first slot 9. The output end of the electric telescopic rod 10 is connected to the first movable plate 11. The electric telescopic rod 10 is a conventional electric telescopic device in the prior art. The electric telescopic rod 10 can drive the first movable plate 11 to move up and down.

[0040] As a further aspect of the present invention: a groove 13 is provided on the side surface of the first movable plate 11, and the support plate 15 is movably connected to the first movable plate 11 through the groove 13, thereby realizing the mobility of the support plate 15.

[0041] As a further aspect of the present invention: a first bidirectional lead screw 14 connected to the support plate 15 is rotatably connected inside the slide groove 13, and a first motor 12 connected to the first bidirectional lead screw 14 is installed on the side surface of the first movable plate 11. The first motor 12 is a conventional forward and reverse reversible motor in the prior art, and the first motor 12 can drive the first bidirectional lead screw 14 to rotate.

[0042] The steps of using this invention are as follows: When using this efficient operating equipment and method for the inter-well mobile blowout preventer assembly, the operator first moves the mobile frame 8 to a suitable position. Then, the first motor 12 drives the first bidirectional lead screw 14 to rotate, causing the support plate 15 to move towards each other to the bottom of the blowout preventer assembly 2. Then, the electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move upward, so that the blowout preventer assembly 2 is separated from the first wellhead casing 1. Then, the mobile frame 8 is moved to align the blowout preventer assembly 2 with the second wellhead casing 3. Finally, the electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move downward and connect with the second wellhead casing 3. This method is time-saving and labor-saving.

[0043] Example 2:

[0044] In Example 1, after the blowout preventer assembly 2 is supported by the moving frame 8, it needs to be moved towards the second wellhead casing 3. If a vehicle is used for towing, it will inevitably take a lot of time to limit and protect the blowout preventer assembly 2, which is time-consuming and laborious. In addition, time is required to align the blowout preventer assembly 2 with the second wellhead casing 3 during installation. The following solution is used to solve this problem.

[0045] Please see Figures 1 to 6 The difference from Embodiment 1 is that the bottom of the side plate of the movable frame 8 has a mounting groove, and a fifth fixing plate 31 is set inside the mounting groove. A rotating shaft 20 is rotatably connected inside the fifth fixing plate 31. A gear 21 is set on the outer surface of the rotating shaft 20. A mounting plate 32 is set on the surface of the movable frame 8 above the mounting groove. A second motor 18 connected to the rotating shaft 20 is set on the inner side of the mounting plate 32. The second motor 18 is a conventional forward and reverse rotating motor in the prior art. The second motor 18 can drive the rotating shaft 20 to rotate. A belt 19 is set on the outer surface of the rotating shaft 20. The belt 19 can connect several rotating shafts 20 together. A first fixing plate 4 and a second fixing plate 7 are respectively set on the outer side of the first wellhead casing 1 and the second wellhead casing 3. A support rail 5 is provided between plate 4 and the second fixed plate 7. The upper surface of the support rail 5 is provided with a toothed plate 6 that matches the gear 21. The interior of the movable frame 8 is provided with a movable groove 16 that matches the support rail 5. The upper surface of the inner wall of the movable groove 16 is provided with a second slot 17 that matches the toothed plate 6. The gear 21 on the rotating shaft 20 is driven by the second motor 18 to move on the toothed plate 5, thereby driving the movable frame 8 to move on the support rail 5, thus moving the blowout preventer assembly 2. The support rail 5 ensures that the movable frame 8 will not bump during the movement, and the blowout preventer assembly 2 can be accurately moved above the second wellhead casing 3, which makes it easier to align the blowout preventer assembly 2 with the second wellhead casing 3 and reduces the time required for the installation of the blowout preventer assembly 2.

[0046] The steps of using this invention are as follows: When the high-efficiency operating equipment and method for the inter-well mobile blowout preventer assembly is in use, after the blowout preventer assembly 2 is supported by the support plate 15, the gear 21 on the rotating shaft 20 is driven by the second motor 18 to move on the gear plate 5, thereby driving the moving frame 8 to move on the support rail 5, thus moving the blowout preventer assembly 2. During this process, the support rail 5 ensures that the moving frame 8 will not bump during the movement, and can accurately move the blowout preventer assembly 2 above the second wellhead casing 3, which makes it easier to align the blowout preventer assembly 2 with the second wellhead casing 3 and reduces the time required for the installation of the blowout preventer assembly 2.

[0047] Example 3:

[0048] When hoisting and moving the blowout preventer (BOP) assembly, it may shake due to bumps or other reasons, which may damage the BOP assembly or even cause personnel injury. The following solutions can be used to address this issue.

[0049] Please see Figures 1 to 6 The difference between Embodiments 1 and 2 lies in that the limiting assembly includes a third fixed plate 22, an L-shaped plate 23, a fourth fixed plate 24, a guide rod 25, a second movable plate 26, a top rod 27, a second bidirectional lead screw 28, a third motor 29, and a spring 30. The third motor 29 is a conventional reversible electric telescopic device in the prior art, which can drive the second bidirectional lead screw 28 to rotate in both directions. The third fixed plate 22 is set on the upper surface of the support plate 15. An L-shaped plate 23 is set on the upper surface of the support plate 15 on one side of the third fixed plate 22. The support plate 15 and the L-shaped plate 23 are elastically connected together internally to the top rod 27, which is used to limit the blowout preventer assembly 2. The side surface of the L-shaped plate 23 is movably connected to the second movable plate 26, and the surface of the second movable plate 26 is provided with a friction surface, which can limit the top rod 27. A spring 30 is provided on the outside of the top rod 27 between the support plate 15 and the L-shaped plate 23. A fourth fixing plate 24 is provided on the bottom of the side surface of the L-shaped plate 23. Guide rods 25 and a second double-acting screw 28 connected to the second movable plate 26 are respectively provided between the two ends of the fourth fixing plate 24 and the L-shaped plate 23. A third motor 29 connected to the second double-acting screw 28 is installed on the upper surface of the L-shaped plate 23. When the support plate 15 contacts the blowout preventer assembly 2, the blowout preventer assembly 2 will press against the top rod 27. At this time, the third motor 29 drives the second movable plate to move in the opposite direction, pressing against the top rod 27, so that the top rod 27 is fixed. The top rod 27 realizes the limit of the blowout preventer assembly 2, avoiding the blowout preventer assembly 2 from bumping during transportation. The blowout preventer assembly 2 is in its original position and will not tilt during transportation, which facilitates subsequent installation.

[0050] The steps of using this invention are as follows: When the high-efficiency operating equipment and method for the inter-well mobile blowout preventer assembly are in use, when the support plate 15 contacts the blowout preventer assembly 2, the blowout preventer assembly 2 will press against the top rod 27. At this time, the third motor 29 drives the second movable plate to move in the opposite direction, pressing against the top rod 27, so that the top rod 27 is fixed. The top rod 27 realizes the limiting of the blowout preventer assembly 2, avoiding the blowout preventer assembly 2 from shaking during transportation. Moreover, the blowout preventer assembly 2 remains in its original position and will not tilt during transportation, which facilitates subsequent installation.

[0051] A highly efficient operation method for a mobile blowout preventer (BOP) assembly between wells, comprising the following steps:

[0052] S1: First, the staff moves the mobile frame 8 to a suitable position. Then, the first motor 12 drives the first bidirectional lead screw 14 to rotate, so that the support plate 15 moves towards the bottom of the blowout preventer assembly 2. When the support plate 15 contacts the blowout preventer assembly 2, the blowout preventer assembly 2 will press against the top rod 27. At this time, the third motor 29 drives the second movable plate to move in the opposite direction, pressing against the top rod 27, so that the top rod 27 is fixed.

[0053] S2: By driving the gear 21 on the rotating shaft 20 to move on the toothed plate 5 through the second motor 18, the moving frame 8 can be driven to move on the support rail 5, thereby moving the blowout preventer assembly 2;

[0054] S3: The electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move upward, so that the blowout preventer assembly 2 is separated from the first wellhead casing 1. Then, the movable frame 8 is moved to align the blowout preventer assembly 2 with the second wellhead casing 3. Then, the electric telescopic rod 10 drives the first movable plate 11, which in turn drives the support plate 15 and the blowout preventer assembly 2 above it to move downward and connect with the second wellhead casing 3.

[0055] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency operating equipment for a mobile blowout preventer (BOP) assembly between wells, comprising a first wellhead casing (1), a second wellhead casing (3), and a BOP assembly (2), wherein the second wellhead casing (3) is disposed on one side of the first wellhead casing (1), and the BOP assembly (2) is disposed on the top of the first wellhead casing (1), characterized in that: A movable frame (8) is provided outside the first wellhead casing (1). A first movable plate (11) is movably connected inside the movable frame (8). A support plate (15) is movably connected to the end of the first movable plate (11). A limit assembly is provided on the upper surface of the support plate (15). The limit assembly includes a third fixed plate (22), an L-shaped plate (23), a fourth fixed plate (24), a guide rod (25), a second movable plate (26), a top rod (27), a second double-acting screw (28), a third motor (29), and a spring (30). The third fixed plate (22) is located on the upper surface of the support plate (15). An L-shaped plate is provided on the upper surface of the support plate (15) on one side of the third fixed plate (22). The L-shaped plate (23) is elastically connected to the interior of the third fixed plate (22) and the L-shaped plate (23). The side surface of the L-shaped plate (23) is movably connected to the second movable plate (26). A spring (30) is provided on the outside of the top rod (27) between the third fixed plate (22) and the L-shaped plate (23). A fourth fixed plate (24) is provided at the bottom of the side surface of the L-shaped plate (23). Guide rods (25) connected to the second movable plate (26) and a second bidirectional screw (28) are respectively provided between the two ends of the fourth fixed plate (24) and the L-shaped plate (23). A third motor (29) connected to the second bidirectional screw (28) is installed on the upper surface of the L-shaped plate (23).

2. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 1, characterized in that: The side of the movable frame (8) is provided with a first slot (9) that matches the two ends of the first movable plate (11). An electric telescopic rod (10) is installed on the upper surface of the inner wall of the first slot (9). The output end of the electric telescopic rod (10) is connected to the first movable plate (11).

3. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 2, characterized in that: The side surface of the first movable plate (11) is provided with a sliding groove (13), and the support plate (15) is movably connected to the first movable plate (11) through the sliding groove (13).

4. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 3, characterized in that: The inside of the slide (13) is rotatably connected to a first bidirectional lead screw (14) connected to a support plate (15), and a first motor (12) connected to the first bidirectional lead screw (14) is installed on the side surface of the first movable plate (11).

5. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 4, characterized in that: The bottom of the side plate of the movable frame (8) is provided with an installation groove. A fifth fixing plate (31) is provided inside the installation groove. A rotating shaft (20) is rotatably connected inside the fifth fixing plate (31). A gear (21) is provided on the outer surface of the rotating shaft (20). An installation plate (32) is provided on the surface of the movable frame (8) above the installation groove. A second motor (18) connected to the rotating shaft (20) is provided on the inner side of the installation plate (32). A belt (19) is provided on the outer surface of the rotating shaft (20).

6. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 5, characterized in that: The first wellhead casing (1) and the second wellhead casing (3) are respectively provided with a first fixing plate (4) and a second fixing plate (7). A support rail (5) is provided between the first fixing plate (4) and the second fixing plate (7). The upper surface of the support rail (5) is provided with a toothed plate (6) that matches the gear (21).

7. The high-efficiency operating equipment for a mobile blowout preventer assembly between wells according to claim 6, characterized in that: The movable frame (8) has an internal movable groove (16) that matches the support rail (5), and the upper surface of the inner wall of the movable groove (16) has a second slot (17) that matches the toothed plate (6).

8. A method for operating a high-efficiency operating equipment for a mobile blowout preventer assembly as described in claim 7, characterized in that, The steps are as follows: S1: First, the staff moves the mobile frame (8) to a suitable position. Then, the first motor (12) drives the first bidirectional lead screw (14) to rotate, so that the support plate (15) moves towards the bottom of the blowout preventer assembly (2). When the support plate (15) contacts the blowout preventer assembly (2), the blowout preventer assembly (2) will press against the top rod (27). At this time, the third motor (29) drives the second movable plate to move in the opposite direction, pressing against the top rod (27), so that the top rod (27) is fixed. S2: By driving the gear (21) on the rotating shaft (20) to move on the toothed plate (6) through the second motor (18), the moving frame (8) can be driven to move on the support rail (5), thereby moving the blowout preventer assembly (2); S3: The electric telescopic rod (10) drives the first movable plate (11), which in turn drives the support plate (15) and the blowout preventer assembly (2) above it to move upward, so that the blowout preventer assembly (2) is separated from the first wellhead casing (1). Then, the moving frame (8) is moved to align the blowout preventer assembly (2) with the second wellhead casing (3). Then, the electric telescopic rod (10) drives the first movable plate (11), which in turn drives the support plate (15) and the blowout preventer assembly (2) above it to move downward and connect with the second wellhead casing (3).

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