Wellhead device for coiled tubing construction

Abstract

The utility model discloses a coiled tubing construction wellhead device which comprises a moving trolley, a guide assembly is arranged on the moving trolley, the guide assembly comprises a pipe body, a hose, a support, a guide wheel and a motor, the pipe body is fixedly installed on the moving trolley, the hose is connected to one end of the pipe body, the support is fixedly installed on the moving trolley, and the guide wheel is connected to the other end of the pipe body. The guide wheel is rotationally connected to the support, the motor is installed on the support, the output end of the motor is connected with the guide wheel, a moving assembly is installed at the bottom of the moving trolley and comprises a fixed pipe, a moving pipe and an air cylinder, the fixed pipe is fixedly installed at the bottom of the moving trolley, the moving pipe is slidably connected to the fixed pipe, and the air cylinder is installed on the moving trolley. The air cylinders are fixedly installed at the two ends of the fixing pipe, so that the technical problem that in the prior art, in the fixing process of an oil pipe, an existing coiled tubing construction wellhead device cannot flexibly adjust the fixing state of the oil pipe according to different operation requirements is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wellhead device technical field more specifically, it relates to a continuous oil pipe construction wellhead device. BACKGROUND

[0002] In the prior art, the existing continuous oil pipe construction wellhead device still has certain limitations in the fixing process of the oil pipe, cannot flexibly adjust the fixing state of the oil pipe according to different operation requirements, and usually needs to rely on certain mechanical device to provide fixing and supporting action when the oil pipe is lowered into or pulled out of the wellbore, however, due to the lack of certain adjustability in the design of the existing equipment, it may not be possible to flexibly adjust the fixing mode according to the length, diameter of the oil pipe or the specific conditions of the wellhead when the oil pipe enters the wellhead or is operated.

[0003] In the continuous oil pipe construction process, the oil pipe needs to enter the wellbore from the ground through the wellhead, but due to the limited space of the wellhead and the need to go through a certain bending in the pipe lowering process, the existing device usually cannot effectively control the bending angle of the oil pipe, when the bending radian of the oil pipe is too large, it will cause the oil pipe to deform, twist or break, and further affect the smooth progress of the lowering operation.

[0004] The existing continuous oil pipe construction wellhead device usually adopts flange connection pipeline, however, this connection mode has certain deficiencies in operation, although the flange connection can provide reliable sealing and support, its structure is relatively complex, especially the number of bolts on the connecting flange is large, and it needs time and effort to install and disassemble. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a continuous oil pipe construction wellhead device to solve the technical problem that the existing continuous oil pipe construction wellhead device cannot flexibly adjust the fixing state of the oil pipe according to different operation requirements in the fixing process of the oil pipe mentioned in the background art.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a coiled tubing construction well mouth device, including mobile car, the mobile car is provided with guide component, the guide component includes pipe body, hose, support, guide pulley and motor, the pipe body is fixedly installed on the mobile car, the hose is connected in one end of the pipe body, the support is fixedly installed on the mobile car, the guide pulley is rotatably connected on the support, the motor is installed on the support, and the output of motor is connected with guide pulley, mobile assembly is installed on the mobile car bottom and is provided with, mobile assembly includes fixed pipe, moving pipe and cylinder, the fixed pipe is fixedly installed on the mobile car bottom, the moving pipe is slidably connected on the fixed pipe, the cylinder is fixedly installed on both ends of fixed pipe, and the output of cylinder is connected with moving pipe, and the hose passes through fixed pipe and moving pipe.

[0009] The utility model further sets up, fixedly installed with the fixed frame on the mobile car, install with auxiliary wheel on the fixed frame, the hose is wound on auxiliary wheel and guide pulley, rotatably connected with rotary frame on the auxiliary wheel, the rotary frame is evenly provided with clamping hole, the second clamping block is slidably connected on the rotary frame, and the cooperation of each component makes the clamping process of hose complete.

[0010] The utility model further sets up, the first bolt is detachably installed between the second clamping block and rotary frame, the first bolt is matched with clamping hole, the first clamping block is slidably connected on the fixed frame, and the first clamping block and the second clamping block clamp the hose, one end of the first clamping block is rotatably connected with the first threaded rod, and one end of the first threaded rod is connected with the rotating rod and is installed with the fixed frame, and the cooperation of each component makes the rotation process of the first threaded rod complete.

[0011] The utility model further sets up, the lock ring is slidably connected on the moving pipe, the lock ring is provided with two, and the second bolt is detachably installed between the two lock rings, and the cooperation of each component makes the fixing process of the second bolt complete.

[0012] The utility model further sets up, the rubber sealing pad is installed between the lock ring and the hose, the bottom of the rubber sealing pad is tightly attached to the inner bottom end of the moving pipe, and the cooperation of each component makes the fixing process of the hose complete.

[0013] The utility model further sets up, the installation assembly is arranged on the pipe body, the installation assembly includes flange connecting disc, post hole and screw hole, the flange connecting disc is connected on the pipe body, the post hole and screw hole are evenly arranged on the flange connecting disc, and the cooperation of each component makes the connection process of the flange connecting disc complete.

[0014] The utility model further sets up, flange connecting disc top detachable installation is equipped with chuck, the even connection of chuck bottom is equipped with card post, card post and hole are matched, chuck top installation is equipped with reducing flange, the rotating connection of reducing flange is equipped with cover plate, and the cooperation of each component makes the fixing process of chuck is completed.

[0015] The utility model further sets up, the even opening of cover plate is equipped with rod hole, the connection of cover plate is equipped with driving gear, the rotating connection of chuck is equipped with third bolt, third bolt and threaded hole are matched, one end of third bolt is connected with driven gear, driving gear and driven gear are engaged connection, and the cooperation of each component makes the fixing process of third bolt is completed.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a continuous oil pipe construction well mouth device, has the following beneficial effects:

[0018] 1. The setting of the guide wheel and the auxiliary wheel ensures the stability and directionality of the hose during movement, avoids bending or jamming of the hose during movement, and the guide wheel driven by the motor can be adjusted as needed, so that the hose can be flexibly adjusted and moved in different construction environments, ensuring that the hose is always in the best working state during construction.

[0019] 2. The moving pipe can slide along the fixed pipe by the pushing of the air cylinder, ensuring that the hose can accurately enter the well mouth and avoiding construction errors caused by position deviation. Through the design of the locking ring and the sealing gasket, the hose and the moving pipe can be tightly fitted, effectively preventing the hose from rubbing or being damaged by the external environment, and improving the safety and stability of the hose.

[0020] 3. Through the design of the chuck and the reducing flange, quick and easy installation and disassembly can be achieved. The use of tools can be easily operated, saving time and effort, and without the need for complex mechanical adjustment. The cooperation of the card post and the hole and the connection of the bolt ensure the stability and tightness between the components during installation, avoiding loosening or leakage under high pressure or vibration conditions. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic view of a continuous oil pipe construction well mouth device in the utility model;

[0022] Figure 2 It is the structure schematic view of the guide assembly in the utility model;

[0023] Figure 3 It is the side view structure schematic view of the guide assembly in the utility model;

[0024] Figure 4 Figure 1 is a structural schematic diagram of a moving assembly in the utility model;

[0025] Figure 5 Figure 2 is a sectional structural schematic diagram of the moving assembly in the utility model;

[0026] Figure 6 Figure 3 is an enlarged structural schematic diagram of A in the utility model;

[0027] Figure 7 Figure 4 is a structural schematic diagram of an installation assembly in the utility model;

[0028] Figure 8 Figure 5 is a structural schematic diagram of a chuck in the utility model;

[0029] Figure 9 Figure 6 is a partial structural schematic diagram of the installation assembly in the utility model.

[0030] In the figure: 1, moving vehicle; 2, pipe body; 3, hose; 4, support; 5, guide wheel; 6, motor; 7, fixed pipe; 8, moving pipe; 9, air cylinder; 10, fixed frame; 11, auxiliary wheel; 12, rotating frame; 13, clamping hole; 14, second clamping block; 15, first bolt; 16, first clamping block; 17, first threaded rod; 18, rotating rod; 19, locking ring; 20, second bolt; 21, rubber sealing gasket; 22, flange connecting disc; 23, column hole; 24, threaded hole; 25, chuck; 26, clamping column; 27, reducing flange; 28, cover plate; 29, rod hole; 30, driving gear; 31, third bolt; 32, driven gear. DETAILED DESCRIPTION

[0031] 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 utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0032] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by those skilled in the art to which the present application belongs.

[0033] In the utility model, unless otherwise specified, the directions used such as "up, down" are generally in the direction shown in the drawings, or in the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally in the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above direction words are not used to limit the utility model.

[0034] Please refer to Figures 1-9The utility model provides a coiled tubing construction well mouth device, including mobile car 1, be provided with guide assembly on mobile car 1, and guide assembly includes pipe body 2, hose 3, support 4, guide wheel 5 and motor 6, pipe body 2 is fixedly installed on mobile car 1, hose 3 is connected in one end of pipe body 2, support 4 is fixedly installed on mobile car 1, guide wheel 5 is rotatably connected on support 4, motor 6 is installed on support 4, and the output of motor 6 is connected with guide wheel 5, and mobile car 1 bottom is provided with mobile assembly and is installed, and mobile assembly includes fixed pipe 7, mobile pipe 8 and cylinder 9, fixed pipe 7 is fixedly installed on mobile car 1 bottom, mobile pipe 8 is slidably connected on fixed pipe 7, and cylinder 9 is fixedly installed on both ends of fixed pipe 7, and the output of cylinder 9 is connected with mobile pipe 8, and hose 3 passes through fixed pipe 7 and mobile pipe 8.

[0035] Fixed frame 10 is fixedly installed on mobile car 1, and auxiliary wheel 11 is installed on fixed frame 10, and hose 3 is wound on auxiliary wheel 11 and guide wheel 5, and rotating frame 12 is rotatably connected on auxiliary wheel 11, and clamping hole 13 is evenly formed on rotating frame 12, and second clamping block 14 is slidably connected on rotating frame 12.

[0036] First bolt 15 is detachably installed between second clamping block 14 and rotating frame 12, and first bolt 15 is matched with clamping hole 13, and first clamping block 16 is slidably connected on fixed frame 10, and first clamping block 16 and second clamping block 14 clamp hose 3, and first threaded rod 17 is rotatably connected on one end of first clamping block 16, and rotating rod 18 is installed on one end of first threaded rod 17 and penetrates fixed frame 10.

[0037] Locking ring 19 is slidably connected on mobile pipe 8, and locking ring 19 is provided with two, and second bolt 20 is detachably installed between two locking rings 19.

[0038] Rubber sealing pad 21 is detachably installed between locking ring 19 and hose 3, and the bottom of rubber sealing pad 21 is tightly attached to the inner bottom end of mobile pipe 8.

[0039] In the embodiment, during use, the mobile vehicle 1 is used to move to a suitable position, after moving to the suitable position, the mobile vehicle 1 is stopped, then the hose 3 at one end of the pipe body 2 is sequentially wound around the guide wheel 5 on the support 4 and the auxiliary wheel 11 on the fixing frame 10, and the movement process is carried out, and the driving motor 6 is driven to rotate the guide wheel 5 at the output end, so as to facilitate the movement of the hose 3, after moving to the suitable position, the fixing process is required, the second clamping block 14 is slid along the rotating frame 12, and when the second clamping block 14 is moved to abut against one end of the hose 3, the first bolt 15 is passed through the clamping hole 13 and the second clamping block 14, so as to complete the fixing of the second clamping block 14, and the rotating rod 18 drives the first threaded rod 17 to rotate, so as to drive the first clamping block 16 at one end of the first rotating rod 18 to slide along the fixing frame 10, and stop when the first clamping block 16 is moved to abut against the auxiliary wheel 11, during the movement of the hose 3, the hose 3 sequentially passes through the guide wheel 5 and the auxiliary wheel 11, then passes through the fixed pipe 7 and the moving pipe 8 on the mobile vehicle 1, and the hose 3 that leaks out of the moving pipe 8 is aligned with the well mouth, at this time, the two locking rings 19 are fixed together by the second bolt 20, so as to cooperate with the rubber sealing gasket 21 to fix the hose 3, then the air cylinder 9 is started, so as to drive the moving pipe 8 at the output end to slide along the fixed pipe 7, so as to extend the leaking moving pipe 8 into the well, and the movement of the hose 3 is completed.

[0040] Please refer to Figures 7-9 , as a continuous oil pipe construction well mouth device embodiment of the installation assembly: the pipe body 2 is provided with an installation assembly, the installation assembly includes a flange connecting disc 22, a column hole 23 and a threaded hole 24, the flange connecting disc 22 is connected to the pipe body 2, and the column hole 23 and the threaded hole 24 are uniformly arranged on the flange connecting disc 22.

[0041] The flange connecting disc 22 is detachably provided with a chuck 25 at the top, the chuck 25 is uniformly connected with a clamping column 26 at the bottom, the clamping column 26 is matched with the column hole 23, the chuck 25 is provided with a variable diameter flange 27 at the top, and the variable diameter flange 27 is rotatably connected with a cover plate 28.

[0042] The cover plate 28 is uniformly provided with a rod hole 29, the cover plate 28 is connected with a driving gear 30, the chuck 25 is rotatably connected with a third bolt 31, the third bolt 31 is matched with the threaded hole 24, one end of the third bolt 31 is connected with a driven gear 32, and the driving gear 30 and the driven gear 32 are meshingly connected.

[0043] More specifically, when the variable-diameter flange 27 outside the pipe body 2 is quickly fixed, the clamping column 26 on the chuck 25 at the bottom of the variable-diameter flange 27 is aligned with the column hole 23 on the flange connecting disc 22, and the threaded hole 24 is aligned with the third bolt 31, at this time the bottom of the chuck 25 is attached to the flange connecting disc 22, at this time the tool outside is inserted into the rod hole 29, so that the cover plate 28 is rotated along the variable-diameter flange 27, in the process of rotating, the driving gear 30 is driven to rotate, so that the third bolt 31 is driven to rotate, so as to be fixed together, thus completing the quick fixing process.

[0044] In summary, the overall device is in use or operation: in the process of use, the mobile car 1 is moved to the appropriate position, after moving to the appropriate position, stop the mobile car 1, then the hose 3 at one end of the pipe body 2 is moved in turn around the guide wheel 5 on the support 4 and the auxiliary wheel 11 on the fixing frame 10, and is moved, and the driving motor 6 is driven to rotate the guide wheel 5 at the output end, so as to facilitate the movement of the hose 3, after moving to the appropriate position, the fixing process is needed, the second clamping block 14 is slid along the rotating frame 12, and when the first bolt 15 is moved to abut the end of the hose 3, the first bolt 15 is passed through the clamping hole 13 and the second clamping block 14, so as to complete the fixing process of the second clamping block 14, and the first threaded rod 17 is driven to rotate by the rotating rod 18, so that the first clamping block 16 at one end of the first rotating rod 18 is slid along the fixing frame 10, and when the first clamping block 16 is moved to abut the auxiliary wheel 11, it is stopped, in the process of moving the hose 3, it passes through the guide wheel 5 and the auxiliary wheel 11 in turn, then passes through the fixed pipe 7 and the moving pipe 8 on the mobile car 1, and the hose 3 leaking out of the moving pipe 8 is aligned with the wellhead, at this time the two locking rings 19 are fixed together by the second bolt 20, so as to cooperate with the rubber sealing gasket 21 to fix the hose 3, then start the air cylinder 9, so that the output end of the moving pipe 8 is slid along the fixed pipe 7, so that the moving pipe 8 leaks into the well, and the movement of the hose 3 is completed.

[0045] When the variable-diameter flange 27 outside the pipe body 2 is quickly fixed, the clamping column 26 on the bottom of the clamping chuck 25 of the variable-diameter flange 27 is along the column hole 23 on the flange connecting disc 22, and the threaded hole 24 is aligned with the third bolt 31, at this time the bottom of the clamping chuck 25 is attached to the flange connecting disc 22, at this time the tool outside is inserted into the rod hole 29, so that the cover plate 28 is rotated along the variable-diameter flange 27, and in the process of rotation, the driving gear 30 is driven to rotate, so that the third bolt 31 is driven to rotate, so as to be fixed together, so as to complete the quick fixing process.

[0046] In all the above-mentioned schemes, 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 is not described one by one here. In the above, whenever it is mentioned that it is fixedly connected, it is preferred to be welded. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments 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 coiled tubing construction wellhead device, comprising a mobile vehicle (1), characterized by: The mobile vehicle (1) is provided with a guide assembly, which comprises a tube body (2), a hose (3), a support (4), a guide wheel (5) and a motor (6). The tube body (2) is fixedly mounted on the mobile vehicle (1), the hose (3) is connected to one end of the tube body (2), the support (4) is fixedly mounted on the mobile vehicle (1), the guide wheel (5) is rotatably connected to the support (4), the motor (6) is mounted on the support (4), and the output end of the motor (6) is connected to the guide wheel (5). A mobile assembly is mounted on the bottom of the mobile vehicle (1), which comprises a fixed tube (7), a mobile tube (8) and a cylinder (9). The fixed tube (7) is fixedly mounted on the bottom of the mobile vehicle (1), the mobile tube (8) is slidably connected to the fixed tube (7), the cylinder (9) is fixedly mounted at both ends of the fixed tube (7), the output end of the cylinder (9) is connected to the mobile tube (8), and the hose (3) passes through the fixed tube (7) and the mobile tube (8).

2. A coiled tubing wellhead assembly according to claim 1, characterized in that: A fixed frame (10) is fixedly mounted on the mobile vehicle (1), an auxiliary wheel (11) is mounted on the fixed frame (10), the hose (3) is wound around the auxiliary wheel (11) and the guide wheel (5), a rotating frame (12) is rotatably connected to the auxiliary wheel (11), clamping holes (13) are evenly opened on the rotating frame (12), and a second clamping block (14) is slidably connected to the rotating frame (12).

3. A coiled tubing wellhead assembly according to claim 2, characterized in that: A first bolt (15) is detachably mounted between the second clamping block (14) and the rotating frame (12), and the first bolt (15) is adapted to the clamping hole (13). A first clamping block (16) is slidably connected to the fixed frame (10), and the first clamping block (16) and the second clamping block (14) are clamped with the hose (3). One end of the first clamping block (16) is rotatably connected to a first threaded rod (17), and one end of the first threaded rod (17) passes through the fixed frame (10) and is installed with a rotating rod (18).

4. A coiled tubing wellhead assembly according to claim 3, characterized in that: A locking ring (19) is provided on the movable tube (8) in a sliding connection. Two locking rings (19) are provided, and a second bolt (20) is detachably installed between the two locking rings (19).

5. The coiled tubing wellhead assembly according to claim 4, characterized in that: A rubber sealing pad (21) is fitted between the locking ring (19) and the hose (3), and the bottom of the rubber sealing pad (21) is in close contact with the inner bottom end of the moving tube (8).

6. A coiled tubing wellhead assembly according to any one of claims 1 to 5, characterized in that: The pipe body (2) is provided with a mounting assembly, which comprises a flange connection plate (22), a column hole (23) and a threaded hole (24); the flange connection plate (22) is connected to the pipe body (2); and the column hole (23) and the threaded hole (24) are evenly arranged on the flange connection plate (22).

7. The coiled tubing wellhead assembly according to claim 6, characterized in that: A chuck (25) is detachably mounted on the top of the flange connection plate (22); a clamping column (26) is evenly connected to the bottom of the chuck (25); the clamping column (26) is adapted to the column hole (23); a reducing flange (27) is mounted on the top of the chuck (25); and a cover plate (28) is rotatably connected to the reducing flange (27).

8. The coiled tubing wellhead assembly according to claim 7, characterized in that: Rod holes (29) are evenly formed on the cover plate (28), a driving gear (30) is connected to the cover plate (28), a third bolt (31) is rotatably connected to the chuck (25), the third bolt (31) is matched with the threaded hole (24), one end of the third bolt (31) is connected to a driven gear (32), and the driving gear (30) and the driven gear (32) are meshed and connected.

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