Downward-outlet pipe type self-walking coiled tubing roller

Abstract

A lower pipe outlet type self-walking coiled tubing roller relates to the technical field of oil and gas field yield increasing equipment and comprises a bottom frame, and a guider, a pipe arranging arm, a roller body, a transmission system, an external hydraulic source panel, a control system, an electric energy pack module, a self-walking system, an internal and external manifold system and a main shaft system are integrated on the bottom frame. The roller body is arranged in the center of the top of the bottom frame, an oil pipe inlet is formed in the roller body, and an oil pipe anticlockwise enters the roller body through the oil pipe inlet; a pipe arranging arm is arranged on one side of the roller body, and an external hydraulic source panel, a control system and an electric energy pack module are arranged on the other side of the roller body; a main shaft system is arranged in the roller body, the main shaft system is driven by a transmission system to rotate, the transmission system is connected with the guider, and the inner and outer manifold system is arranged on the main shaft system. The problem that the bending amplitude of an oil pipe is large when the oil pipe is discharged from a low position of a traditional oil pipe roller is solved.

Description

Technical Field

[0001] The invention relates to the technical field of oil and gas field production increase equipment, and in particular to a bottom-out tube type self-propelled continuous oil tubing drum. Background Art

[0002] Coiled tubing is an important equipment in the field of petroleum machinery. It is widely used in oilfield services. The coiled tubing drum, as the carrier of the coiled tubing, is one of the important components of the coiled tubing equipment. The perfection of its functions, the accuracy of control and the ease of operation determine the working performance of the entire coiled tubing equipment.

[0003] The traditional coiled tubing drum has a top-out structure. The tubing enters the drum clockwise and exits from the top of the drum's tubing arm (such as Figure 1 and Figure 2 As shown in the figure), if there is an extremely low requirement for the outlet position, the tubing needs to be bent to a great extent, which may exceed the maximum bending radius of the tubing. The traditional coiled tubing drum cannot meet this requirement, so there is an urgent need to develop a new coiled tubing drum. Summary of the invention

[0004] In view of the above deficiencies in the prior art, an object of the present invention is to provide a bottom-out self-propelled coiled tubing drum that can solve the above technical problems.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: A bottom-outlet self-propelled continuous tubing drum comprises a bottom frame, on which are integrated a guide, a pipe row arm, a drum body, a transmission system, an external hydraulic source panel, a control system, an electric energy pack module, a self-propelled system, an internal and external manifold system and a main shaft system; the drum body is arranged at the top center of the bottom frame, and an oil pipe inlet is opened on the drum body, and the oil pipe enters the inside of the drum body counterclockwise through the oil pipe inlet; a pipe row arm is arranged on one side of the drum body, and an external hydraulic source panel, a control system and an electric energy pack module are arranged on the other side, the external hydraulic source panel provides power for the transmission system, and the electric energy pack module provides power for the self-propelled system, and the self-propelled system is arranged at the bottom of the bottom frame; a main shaft system is arranged in the drum body, and the main shaft system is driven to rotate by the transmission system, the transmission system is connected to the guide, and the internal and external manifold system is arranged on the main shaft system.

[0006] Preferably, the pipe arrangement arm comprises two columns arranged in parallel on the bottom frame, the tops of the two columns are provided with mounting plates, and a crossbeam is provided between the two mounting plates.

[0007] Preferably, the transmission system includes a hydraulic motor, a reducer is connected to the hydraulic motor, a driving sprocket is connected to the reducer, the driving sprocket is connected to the driven sprocket through a chain, the driven sprocket is arranged on the main shaft system, the main shaft system is also provided with a transmission sprocket, the transmission sprocket and the driven sprocket are connected by bolts, the transmission sprocket is connected to a relay sprocket group through a chain, the relay sprocket group is connected to a working sprocket through a chain, the working sprocket is installed on one of the mounting plates of the pipe row arm, the working sprocket is connected to a lead screw, the lead screw is rotatably connected between the two mounting plates, a pipe row device is provided on the lead screw, and the pipe row device is connected to the guide; It also includes a forced pipe drainage system, which is installed on another mounting plate of the pipe drainage arm.

[0008] Preferably, the relay sprocket set comprises a support seat, a sprocket shaft is provided on the support seat, a bowl sprocket and a relay sprocket are provided on the sprocket shaft, and a torque limiter is installed in the bowl sprocket.

[0009] Preferably, the guide comprises a guide body, on which a long guide roller, a short guide roller and a guide wheel are sequentially arranged from right to left, and the number of the long guide roller, the short guide roller and the guide wheel are two each.

[0010] Preferably, the control system includes a control unit and a signal receiving and processing unit, and the control unit includes local control and remote control.

[0011] Preferably, the self-propelled system includes casters, which are installed at the four bottom corners of the bottom frame and are driven by a motor.

[0012] Compared with the prior art, the present invention has the following beneficial effects: the coiled tubing drum of the present invention adopts a bottom-out structure, which solves the problem of large bending of the tubing when the conventional tubing drum is out of the tubing at a low position. When the tubing is introduced, the tubing passes through the guide between the tubing arm and the bottom frame into the drum body and is connected to the inner manifold system in the inner and outer manifold systems. The external hydraulic source is connected to the hydraulic pipeline through the external hydraulic source panel to provide kinetic energy for the hydraulic motor in the transmission system. The hydraulic motor drives the reducer, and the reducer drives the drum body to rotate counterclockwise through the sprocket and chain to achieve the tubing winding action. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1It is a schematic diagram of the structure of a conventional coiled tubing drum; Figure 2 It is a schematic diagram of the rotation direction of the drum body and the way the tubing enters the drum when the traditional coiled tubing drum tightens the tubing; Figure 3 It is a structural schematic diagram of the coiled tubing drum body of the present invention; Figure 4 It is a schematic diagram of the rotation direction of the drum body and the way the oil pipe enters the drum when the coiled tubing drum of the present invention tightens the oil pipe; Figure 5 It is a schematic diagram of the overall structure of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 7 It is a schematic diagram of the top view of the structure of the present invention; Figure 8 It is a schematic diagram of the transmission system structure of the present invention; Fig. 9 It is a schematic structural diagram of the relay sprocket assembly of the present invention; Fig.10 It is a schematic diagram of the front structure of the guide of the present invention; Fig.11 It is a schematic diagram of the side structure of the guide of the present invention; Fig.12 It is a schematic diagram of the control system structure of the present invention; Fig.13 It is a schematic diagram of the structure of the self-propelled system of the present invention.

[0015] Description of reference numerals: 1- bottom frame, 2- guide, 21- guide body, 22- long guide roller, 23- short guide roller, 24- guide wheel, 3- pipe arm, 31- column, 32- mounting plate, 33- crossbeam, 4- roller body, 5- transmission system, 51- hydraulic motor, 52- reducer, 53- driving sprocket, 54- driven sprocket, 55- transmission sprocket, 56- relay sprocket set, 561- support seat, 562- sprocket shaft, 56 3-bowl sprocket, 564-relay sprocket, 565-torque limiter, 57-working sprocket, 58-screw, 59-pipe discharge device, 510-forced pipe discharge system, 6-external hydraulic source panel, 7-control system, 71-control unit, 72-signal receiving and processing unit, 8-power pack module, 9-self-propelled system, 91-castors, 92-motor, 10-internal and external manifold system, 11-spindle system, 12-oil pipe inlet. DETAILED DESCRIPTION

[0016] The following is a detailed description of the invention by way of examples in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the invention, rather than all of the embodiments.

[0017] Example like Figures 3 to 7 As shown, the present invention discloses a bottom-out self-propelled continuous tubing drum, comprising a bottom frame 1, on which a guide 2, a pipe arrangement arm 3, a drum body 4, a transmission system 5, an external hydraulic source panel 6, a control system 7, an electric energy package module 8, a self-propelled system 9, an internal and external manifold system 10 and a spindle system 11 are integrated; the drum body 4 is arranged at the top center of the bottom frame 1, and an oil pipe inlet 12 is opened on the drum body 4, and the oil pipe enters the drum body 4 counterclockwise through the oil pipe inlet 12 to complete the subsequent oil pipe winding and storage; the drum body 4 is provided with a pipe arrangement arm 3 on one side, and a control system 7, a control system 7, an electric energy package module 8, a self-propelled system 9, an internal and external manifold system 10 and a spindle system 1 ... on the other side; An external hydraulic source panel 6, a control system 7 and an electric energy pack module 8 are provided on the side, the external hydraulic source panel 6 provides power for the transmission system 5, the electric energy pack module 8 provides power for the self-propelled system 9, the electric energy pack module 8 includes but is not limited to being powered by battery pack modules of the type of lithium batteries, lead-acid batteries, etc., and powered by generators, and the self-propelled system 9 is arranged at the bottom of the bottom frame 1; a main shaft system 11 is provided in the drum body 4, and the main shaft system 11 is driven to rotate by the transmission system 5, the transmission system 5 is connected to the guide 2, and the internal and external manifold system 10 is arranged on the main shaft system 11.

[0018] The pipe row arm 3 includes two columns 31 arranged in parallel on the bottom frame 1, and a mounting plate 32 is provided on the top of the two columns 31. A cross beam 33 is provided between the two mounting plates 32. The pipe row arm 3 is provided to facilitate supporting the guide 2 and the transmission system 5.

[0019] like Figure 8As shown, the transmission system 5 includes a hydraulic motor 51, a reducer 52 is connected to the hydraulic motor 51, a driving sprocket 53 is connected to the reducer 52, the driving sprocket 53 is connected to the driven sprocket 54 through a chain, the driven sprocket 54 is sleeved on the main shaft system 11, and the main shaft system 11 is also sleeved with a transmission sprocket 55, the transmission sprocket 55 is connected to the driven sprocket 54 through bolts, the transmission sprocket 55 is connected to the relay sprocket group 56 through a chain, the relay sprocket group 56 is connected to the working sprocket 57 through a chain, the working sprocket 57 is installed on one of the mounting plates 32 of the pipe row arm 3, and the working sprocket 57 is connected to a lead screw 58, and the lead screw 58 is rotatably connected Between the two mounting plates 32, a pipe laying device 59 is provided on the lead screw 58, and the pipe laying device 59 is connected to the guide 2; when the transmission system 5 is working, the hydraulic motor 51 transmits the torque to the driven sprocket 54 installed on the main shaft system 11 through the reducer 52, the driving sprocket 53 and the chain, thereby driving the main shaft system 11 to rotate and realizing the rotation of the drum body 4; the driven sprocket 54 is connected to the transmission sprocket 55 by bolts, thereby driving the transmission sprocket 55 to rotate, the transmission sprocket 55 drives the relay sprocket group 56 to rotate through the chain, the relay sprocket group 56 drives the working sprocket 57 to rotate through the chain, the working sprocket 57 drives the lead screw 58 to rotate, and the lead screw 58 drives the pipe laying device 59 to move to realize the automatic pipe laying function.

[0020] It also includes a forced pipe arrangement system 510, which is installed on another mounting plate 32 of the pipe arrangement arm 3 and is used when the automatic pipe arrangement function fails or the oil pipes cannot be neatly arranged and manual intervention is required.

[0021] like Fig. 9 As shown, the relay sprocket set 56 includes a support seat 561, a sprocket shaft 562 is provided on the support seat 561, a bowl-type sprocket 563 and a relay sprocket 564 are sleeved on the sprocket shaft 562, the bowl-type sprocket 563 is connected to the working sprocket 57 through a chain, and the relay sprocket 564 is connected to the transmission sprocket 55 through a chain; a torque limiter 565 is installed in the bowl-type sprocket 563, and the torque limiter 565 is installed in the bowl-type sprocket 563 for easy replacement and adjustment, and the torque limiter 565 is used to realize the switching between automatic pipe arrangement and manual pipe arrangement.

[0022] like Fig.10 and Fig.11As shown, the guide 2 includes a guide body 21, on which a long guide roller 22, a short guide roller 23 and a guide wheel 24 are arranged from right to left, and the number of the long guide roller 22, the short guide roller 23 and the guide wheel 24 are two. When winding the oil pipe onto the drum body 4, the oil pipe is guided onto the drum body 4 by the long guide roller 22, the short guide roller 23 and the guide wheel 24 in sequence, the long guide roller 22 is used to control the left-right movement of the guide oil pipe, and the short guide roller 23 is used to control the up-down movement of the guide oil pipe; when lowering the oil pipe, the guide wheel 24 is used to control the direction of the oil pipe coming out of the drum body 4.

[0023] like Fig.12 As shown, the control system 7 includes a control unit 71 and a signal receiving and processing unit 72, and the control unit 71 includes local control and remote control.

[0024] like Fig.13 As shown, the self-propelled system 9 includes casters 91, and the types of the casters 91 include but are not limited to solid rubber wheels, iron core polyurethane wheels, heavy-duty nylon wheels, cast iron wheels, inner tube type rubber wheels, and vacuum tube type rubber wheels; the casters 91 are installed at the four corners of the bottom of the bottom frame 1, and the four casters 91 are driven by four motors 92 respectively, and the types of the motors 92 include but are not limited to AC motors, DC motors, and frequency conversion all-in-one machines; the ways in which the motors 92 drive the casters 91 include but are not limited to direct drive, chain drive, and gear meshing drive; the four motors 92 are connected to the signal receiving and processing unit 72, and the casters 91 are controlled by remote control, i.e., a portable wireless remote control receiving controller, to provide the device with self-driving capabilities.

[0025] Principle of use: The operator issues a walking command through the portable wireless remote control receiving controller in the operation control system 7. The walking command is transmitted to the signal receiving and processing unit 72 for processing, and then controls the motor 92 to rotate. The power pack module 8 supplies energy to the motor 92, driving the caster 91 to rotate to realize the walking function of the equipment. If the wireless signal is interfered with and cannot be used normally, the walking of the equipment can be controlled by local control, i.e., the handle.

[0026] The equipment moves to the designated working position, and after the equipment is fixed according to the on-site requirements, the oil pipe is introduced, and the oil pipe passes through the guide 2, penetrates into the drum body 4 between the pipe arrangement arm 3 and the bottom frame 1, and is connected to the internal manifold system in the internal and external manifold system 10; the external hydraulic source is connected to the hydraulic pipeline through the external hydraulic source panel 6 to supply energy to the hydraulic motor 51 in the transmission system 5, and the hydraulic motor 51 drives the reducer 52, and the reducer 52 drives the drum body 4 to rotate counterclockwise through the sprocket and chain, thereby realizing the drum's pipe winding action.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and application concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bottom-out self-propelled coiled tubing drum, comprising a bottom frame (1), characterized in that: The bottom frame (1) is integrated with a guide (2), a pipe arrangement arm (3), a drum body (4), a transmission system (5), an external hydraulic source panel (6), a control system (7), an electric energy pack module (8), a self-propelled system (9), an internal and external manifold system (10) and a spindle system (11); the drum body (4) is arranged at the top center of the bottom frame (1); an oil pipe inlet (12) is provided on the drum body (4); the oil pipe enters the inside of the drum body (4) counterclockwise through the oil pipe inlet (12); one side of the drum body (4) is provided with a pipe arrangement arm (3), and the other side is provided with a pipe arrangement arm (4). An external hydraulic source panel (6), a control system (7) and an electric energy pack module (8) are provided, wherein the external hydraulic source panel (6) provides power for the transmission system (5), and the electric energy pack module (8) provides power for the self-propelled system (9), and the self-propelled system (9) is arranged at the bottom of the bottom frame (1); a main shaft system (11) is provided in the drum body (4), and the main shaft system (11) is driven to rotate by the transmission system (5), and the transmission system (5) is connected to the guide (2), and the internal and external manifold system (10) is arranged on the main shaft system (11); The pipe arrangement arm (3) comprises two columns (31) arranged in parallel on the bottom frame (1), a mounting plate (32) is provided on the top of each of the two columns (31), and a crossbeam (33) is provided between the two mounting plates (32); The transmission system (5) comprises a hydraulic motor (51), the hydraulic motor (51) is connected to a reducer (52), the reducer (52) is connected to a driving sprocket (53), the driving sprocket (53) is connected to a driven sprocket (54) via a chain, the driven sprocket (54) is arranged on a main shaft system (11), the main shaft system (11) is further provided with a transmission sprocket (55), the transmission sprocket (55) is connected to the driven sprocket (54) via bolts, and the transmission chain The wheel (55) is connected to a relay sprocket set (56) through a chain, and the relay sprocket set (56) is connected to a working sprocket (57) through a chain, and the working sprocket (57) is mounted on one of the mounting plates (32) of the pipe arrangement arm (3), and a lead screw (58) is connected to the working sprocket (57), and the lead screw (58) is rotatably connected between the two mounting plates (32), and a pipe arrangement device (59) is provided on the lead screw (58), and the pipe arrangement device (59) is connected to the guide (2); It also includes a forced pipe discharge system (510), wherein the forced pipe discharge system (510) is mounted on another mounting plate (32) of the pipe discharge arm (3); The relay sprocket set (56) comprises a support seat (561), a sprocket shaft (562) is provided on the support seat (561), a bowl-type sprocket (563) and a relay sprocket (564) are provided on the sprocket shaft (562), and a torque limiter (565) is installed in the bowl-type sprocket (563); The control system (7) comprises a control unit (71) and a signal receiving and processing unit (72); the control unit (71) comprises local control and remote control.

2. A bottom-out self-propelled coiled tubing drum as claimed in claim 1, characterized in that: The guide (2) comprises a guide body (21), on which a long guide roller (22), a short guide roller (23) and a guide wheel (24) are arranged in sequence from right to left, and the number of the long guide roller (22), the short guide roller (23) and the guide wheel (24) is two.

3. The bottom-out self-propelled coiled tubing drum according to claim 1, characterized in that: The self-propelled system (9) comprises casters (91), the casters (91) being mounted at the four bottom corners of the bottom frame (1), and the casters (91) being driven by a motor (92).

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