阅读说明：本技术 一种连续管作业机 (Continuous pipe operation machine ) 是由 单代伟 田雨 夏宏克 明章杰 曾林 李龙 陈翔 刘宾 于 2020-04-10 设计创作，主要内容包括：本发明涉及石油钻采设备领域,具体涉及连续管作业机,其包括电驱注入头及电驱滚筒,电驱注入头用于将连续管注入到井眼中,电驱滚筒上用于收放连续管。本发明提供的连续管作业机,其通过设置电驱注入头和电驱滚筒,主要采用电力驱动,解决了发动机噪声对于作业人员以及环境的影响,并能实现精确控制。(The invention relates to the field of petroleum drilling and production equipment, in particular to a coiled tubing operation machine which comprises an electric-driving injection head and an electric-driving roller, wherein the electric-driving injection head is used for injecting coiled tubing into a borehole, and the electric-driving roller is used for winding and unwinding the coiled tubing. The continuous pipe operation machine provided by the invention is mainly driven by electric power through arranging the electric driving injection head and the electric driving roller, solves the influence of engine noise on operators and environment, and can realize accurate control.)

1. The utility model provides a coiled tubing operation machine which characterized in that, includes and drives the syringe head and drive the cylinder electrically, it is used for injecting the coiled tubing into the well to drive the syringe head electrically, it is used for receiving and releasing the coiled tubing to drive on the cylinder electrically.

2. The continuous pipe work machine of claim 1, wherein the electrically driven injection head comprises a first ac variable frequency motor, a first drive assembly, and a first actuator, the first ac variable frequency motor and the first actuator being connected by the first drive assembly;

the second alternating current variable frequency motor is connected with the second actuating piece through the second transmission component;

the first alternating current variable frequency motor and the second alternating current variable frequency motor work in a coordinated mode, and the first actuating piece and the second actuating piece work in a coordinated mode.

3. The continuous pipe work machine of claim 2, wherein the electrically driven injection head further comprises a housing, the first actuator and the second actuator being disposed within the housing, the first ac inverter motor and the second ac inverter motor being coupled to the housing;

the first alternating current variable frequency motor and the second alternating current variable frequency motor are arranged on the same side of the box body, or the first alternating current variable frequency motor and the second alternating current variable frequency motor are respectively arranged on two opposite sides of the box body.

4. The continuous pipe work machine of claim 2 or 3, wherein the first transmission assembly comprises a first reducer having an input connected to the first AC variable frequency motor and an output connected to the first actuator;

the second transmission assembly comprises a second speed reducer, the input end of the second speed reducer is connected with the second alternating current variable frequency motor, and the output end of the second speed reducer is connected with the second actuating piece;

the first alternating current variable frequency motor and the first speed reducer are respectively arranged on two sides of the first actuating piece;

the second alternating current variable frequency motor and the second speed reducer are respectively arranged on two sides of the second actuating piece.

5. The continuous pipe working machine according to claim 4, wherein the first transmission assembly further comprises a first high-speed shaft, the input end of the first reducer is connected with the first AC variable frequency motor through the first high-speed shaft, the first actuating member is provided with a first through hole for the first high-speed shaft to pass through, a gap is formed between the first through hole and the first high-speed shaft, and the output end of the first reducer is connected with the first actuating member;

the second transmission assembly further comprises a second high-speed shaft, the input end of the second speed reducer is connected with the second alternating-current variable-frequency motor through the second high-speed shaft, a second through hole for the second high-speed shaft to penetrate through is formed in the second actuating piece, a gap is formed between the second through hole and the second high-speed shaft, and the output end of the second speed reducer is connected with the second actuating piece.

6. The continuous pipe working machine according to claim 4, wherein the first transmission assembly further comprises a first coupler and a first angle transmission case, the first AC variable frequency motor is connected with the first angle transmission case through the first coupler, and the first angle transmission case is connected with an input end of the first speed reducer;

the second transmission assembly further comprises a second coupler and a second angle transmission box, the second alternating current variable frequency motor is connected with the second angle transmission box through the second coupler, and the second angle transmission box is connected with the input end of the second speed reducer.

7. The continuous pipe machine of claim 1, wherein the electrically driven drum comprises a drum support, a drum body, a transmission, a drum motor, a reducer, and a pipe racking device;

the roller body is connected with the roller bracket and can rotate relative to the roller bracket, the roller motor is connected with the speed reducer, and the speed reducer is connected with the roller body through the transmission device;

the speed reducer and the roller body are arranged at intervals;

the pipe discharging device is connected with the roller bracket.

8. The continuous pipe working machine according to claim 7, wherein a first lifting device is provided on one side of the roller frame, a second lifting device is provided on the other side of the roller frame, and the first lifting device and the second lifting device are both connected to the pipe discharging device;

the first lifting device comprises a first upright post, a first connecting rod and a first electric push rod which are mutually hinged to form a triangular structure, the first electric push rod forms a variable-length side of the triangular structure, and the free end of the first connecting rod is connected with one end of the pipe arranging device;

the second lifting device comprises a second upright post, a second connecting rod and a second electric push rod which are mutually hinged and connected to form a triangular structure, the second electric push rod forms a variable-length side of the triangular structure, and the free end of the second connecting rod is connected with the other end of the pipe discharging device.

9. The continuous pipe operating machine of claim 8, wherein the pipe racking device comprises a drive mechanism, a two-way lead screw, a travel carriage, and a pipe racking bracket;

the driving mechanism comprises a calandria motor and a speed reducer, and the calandria motor is connected with the speed reducer;

one end of the calandria bracket is connected with the first lifting device, and the other end of the calandria bracket is connected with the second lifting device;

the driving mechanism is connected with the bidirectional screw rod, and the bidirectional screw rod is rotatably connected with the rack pipe bracket;

the walking trolley is connected with the bidirectional screw rod and is slidably arranged on the pipe arranging support;

the length directions of the bidirectional screw rod and the pipe rack support are consistent with the axial direction of the roller body.

10. The continuous pipe working machine of claim 9 wherein the drive mechanism is connected to one end of the bidirectional lead screw by a lead screw drive chain.

Technical Field

The invention relates to oil drilling and production equipment, in particular to a coiled tubing machine.

Background

With the continuous enrichment and perfection of the types of coiled tubing operation machines, coiled tubing tools and well completion equipment, the advantages of the coiled tubing technology become more and more obvious, and the application range of the coiled tubing technology already covers the aspects of well drilling, well logging, perforation, production increase, well workover, acidification, fracturing and the like. As the application range of the continuous pipe technology is continuously expanded, the industry has also given the reputation of "universal machines" as the continuous pipe machine which is the core device.

With the advancement and development of technology, the original hydraulic motor driving mode has exposed its disadvantages, such as: the hydraulic transmission is sensitive to the change of oil temperature, so that the working stability of the continuous pipe equipment is influenced; hydraulic control positioning is not accurate; the hydraulic oil is easy to leak, thereby bringing environmental pollution; the noise of the diesel engine of the hydraulic station is high, and the like.

Disclosure of Invention

The invention aims to: to the problem that prior art exists, provide a coiled tubing machine, it adopts the electricity to drive to stable work and can accurate control when realizing its operation, still reduce the polluted environment simultaneously, and noise when can reducing the operation.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a coiled tubing operation machine, includes and drives the syringe needle and drive the cylinder electrically, drives the syringe needle and is used for injecting the coiled tubing into the well electrically, drives electrically and is used for receiving and releasing the coiled tubing on the cylinder. The continuous pipe operation machine provided by the invention is mainly driven by electric power through arranging the electric driving injection head and the electric driving roller, solves the influence of engine noise on operators and environment, and can realize accurate control.

As a preferable scheme of the invention, the electric driving injection head comprises a first alternating current variable frequency motor, a first transmission component and a first actuating component, wherein the first alternating current variable frequency motor is connected with the first actuating component through the first transmission component; the second alternating current variable frequency motor is connected with the second actuating piece through the second transmission component; the first alternating current variable frequency motor and the second alternating current variable frequency motor work in a coordinated mode, and the first actuating piece and the second actuating piece work in a coordinated mode. Compared with the scheme that the electric driving injection head is driven in a hydraulic mode in the prior art, the electric driving injection head provided by the invention has the advantages that the creeping phenomenon under low-speed operation can be avoided, hydraulic pipelines are avoided, the occupied space is reduced, and high-precision control is provided. Compared with other electric driving modes, the alternating-current variable-frequency motor is adopted for driving, the power requirement of the injection head with a large size can be met, and the cost is more advantageous. The first alternating current variable frequency motor and the second alternating current variable frequency motor work in a coordinated mode, and compared with a mode of controlling the torque of the other alternating current variable frequency motor through the torque output value of one alternating current variable frequency motor, time difference and hysteresis of the two alternating current variable frequency motors in control time are avoided, and accordingly damage to the coiled tubing is avoided.

In a preferred embodiment of the present invention, the first actuator includes a first sprocket and the second actuator includes a second sprocket.

As a preferable scheme of the invention, the electric-driving injection head further comprises a box body, the first actuating piece and the second actuating piece are arranged in the box body, and the first alternating-current variable-frequency motor and the second alternating-current variable-frequency motor are connected with the box body.

As a preferable scheme of the present invention, the first ac inverter motor and the second ac inverter motor are disposed on the same side of the box, or the first ac inverter motor and the second ac inverter motor are disposed on opposite sides of the box, respectively. Through the scheme, the arrangement mode of the first alternating current variable frequency motor and the second alternating current variable frequency motor is more flexible.

As a preferable aspect of the present invention, the electric driving injection head further includes a first stopper and a second stopper; the first brake is connected with the first alternating current variable frequency motor or the first transmission assembly, and the second brake is connected with the second alternating current variable frequency motor or the second transmission assembly.

As a preferable scheme of the invention, the electric drive injection head further comprises a first encoder and a second encoder, wherein the first encoder is connected with the first alternating current variable frequency motor, and the second encoder is connected with the second alternating current variable frequency motor.

As a preferable scheme of the invention, the first transmission assembly comprises a first speed reducer, the input end of the first speed reducer is connected with the first alternating current variable frequency motor, and the output end of the first speed reducer is connected with the first actuating piece; the second transmission assembly comprises a second speed reducer, the input end of the second speed reducer is connected with the first alternating current variable frequency motor, and the output end of the second speed reducer is connected with the second actuating piece. Through setting up the reduction gear, after carrying out the deceleration to the interchange inverter motor and increasing the torsion, transmit the torque again and make the moving part to satisfy the requirement of coiled tubing injection operation.

As a preferable scheme of the present invention, the first ac inverter motor and the first reducer are respectively disposed on both sides of the first actuator; the second alternating current variable frequency motor and the second speed reducer are respectively arranged on two sides of the second actuating piece.

As a preferable scheme of the present invention, the first transmission assembly further includes a first high-speed shaft, an input end of the first speed reducer is connected to the first ac variable-frequency motor through the first high-speed shaft, the first actuator is provided with a first through hole for the first high-speed shaft to pass through, a gap is provided between the first through hole and the first high-speed shaft, and an output end of the first speed reducer is connected to the first actuator; the second transmission assembly further comprises a second high-speed shaft, the input end of the second speed reducer is connected with the second alternating-current variable-frequency motor through the second high-speed shaft, a second through hole for the second high-speed shaft to penetrate through is formed in the second actuating piece, a gap is formed between the second through hole and the second high-speed shaft, and the output end of the second speed reducer is connected with the second actuating piece.

In a preferred embodiment of the present invention, the first reduction gear and the second reduction gear are both planetary reduction gears. Furthermore, the output end of the first speed reducer is sleeved outside the input end of the first speed reducer; the output end of the second speed reducer is sleeved outside the input end of the second speed reducer.

As a preferred scheme of the invention, the first transmission assembly further comprises a first coupler and a first angle transmission box, the first alternating current variable frequency motor is connected with the first angle transmission box through the first coupler, and the first angle transmission box is connected with the input end of the first speed reducer; the second transmission assembly further comprises a second coupler and a second angle transmission box, the second alternating-current variable-frequency motor is connected with the second angle transmission box through the second coupler, and the second angle transmission box is connected with the input end of the second speed reducer.

As the preferred scheme of the invention, the electric drive roller comprises a roller bracket, a roller body, a transmission device, a roller motor, a speed reducer and a pipe arrangement device; the roller body is connected with the roller bracket and can rotate relative to the roller bracket, the roller motor is connected with the speed reducer, and the speed reducer is connected with the roller body through a transmission device; the speed reducer and the roller body are arranged at intervals; the pipe discharging device is connected with the roller bracket. The coiled tubing roller provided by the invention adopts the motor as the driving device, and overcomes the defects of low hydraulic control precision and long response time. And the speed reducer and the roller body are arranged at intervals and are connected through the transmission device, so that the defect that the speed reducer is difficult to overhaul and maintain due to the fact that the speed reducer is arranged in the speed reducer is overcome.

As a preferable scheme of the invention, a first lifting device is arranged on one side of the roller bracket, a second lifting device is arranged on the other side of the roller bracket, and the first lifting device and the second lifting device are both connected with the pipe discharging device. Through setting up the lifting devices, realize lifting to the calandria device to can satisfy the requirement of calandria operation. And the lifting devices are arranged on two sides of the roller bracket, so that the lifting process of the pipe discharging device can be stably carried out.

As a preferred scheme of the invention, the first lifting device comprises a first upright post, a first connecting rod and a first electric push rod which are mutually hinged to form a triangular structure, the first electric push rod forms a variable-length side of the triangular structure, and the free end of the first connecting rod is connected with one end of the pipe discharging device; the second lifting device comprises a second upright post, a second connecting rod and a second electric push rod which are mutually hinged to form a triangular structure, the second electric push rod forms a variable-length side of the triangular structure, and the free end of the second connecting rod is connected with the other end of the pipe discharging device. Through above-mentioned scheme, adopt electric putter to realize the lifting of calandria device, compare in prior art and adopt lift cylinder to carry out the mode that lifts, control more accurate, the response is faster, and energy-concerving and environment-protective more also can avoid the leakage of hydraulic oil to the pollution that equipment and environment caused. In addition, the electric push rod also has a self-locking function and is high in reliability.

As the preferred scheme of the invention, the pipe arrangement device comprises a driving mechanism, a bidirectional screw rod, a walking trolley and a pipe arrangement bracket; the driving mechanism comprises a calandria motor and a speed reducer, and the calandria motor is connected with the speed reducer; one end of the calandria bracket is connected with the first lifting device, and the other end of the calandria bracket is connected with the second lifting device; the driving mechanism is connected with the bidirectional screw rod, and the bidirectional screw rod is rotatably connected with the rack; the walking trolley is connected with the bidirectional screw rod and is slidably arranged on the calandria bracket; the length directions of the bidirectional screw rod and the calandria bracket are consistent with the axial direction of the roller body. The driving mechanism drives the bidirectional screw rod to rotate, so that the walking trolley moves. When the coiled tubing rack is used, the coiled tubing penetrates through the traveling trolley, and the traveling trolley moves along the direction limited by the rack pipe bracket along with the operation of the rack pipe, namely, moves along the direction parallel to the axial direction of the rolling body so as to correspond to the position of the coiled tubing on rolling.

As the preferable scheme of the invention, the pipe discharging device also comprises a counter which is arranged on the walking trolley.

As a preferable scheme of the invention, the driving mechanism is connected with one end of the bidirectional screw rod through a screw rod transmission chain. In the prior art, the position of the walking trolley in the pipe arranging process is usually adjusted by a roller motor through multi-stage chain transmission. In the invention, the driving mechanism is directly connected with the bidirectional screw rod through the screw rod transmission chain, so that the operation is simpler, the overhaul and the maintenance are more convenient, the control precision is more accurate, and the forced pipe arrangement response is faster.

As a preferable scheme of the present invention, the pipe-discharging motor comprises a common motor or a servo motor.

As a preferable scheme of the invention, the transmission device comprises a large chain wheel and a small chain wheel which are connected through a chain, the small chain wheel is fixedly connected with the output end of the speed reducer, and the large chain wheel is fixedly connected with the roller body.

As the preferred scheme of the invention, one end of the roller body is provided with a first support, the other end of the roller body is provided with a second support, and the first support and the second support are detachably connected with the roller bracket; and slewing bearings are arranged in the first support and the second support. With the structure, the roller body is connected to the roller bracket when the pipe is arranged; after the pipe arranging operation is completed, the first support, the second support and the rolling support are disassembled, so that the roller body with the oil pipe can be integrally moved out of the roller support, and the roller body is convenient to replace. And the rotary bearings are arranged in the first support and the second support, so that the roller body can rotate relative to the roller bracket.

As a preferable scheme of the invention, the electric driving roller further comprises a lifting device, one end of the lifting device is connected with the first support, and the other end of the lifting device is connected with the second support. Through setting up hoisting accessory, after the calandria operation is accomplished, hang the whole of cylinder body area oil pipe from cylinder support.

As a preferred aspect of the present invention, the drum motor includes a general motor or a servo motor.

The reel trailer comprises a traction headstock, wherein the traction headstock is provided with an electric control operation room and an electric driving roller and is used for providing walking driving force for the electric driving roller and the electric control operation room; be equipped with hydraulic pressure station sled seat and injection head sled seat on the self-propelled vehicle, the self-propelled vehicle is used for providing walking drive power for hydraulic pressure station sled seat and injection head sled seat, and the injection head sled seat is located to the electricity and drives the injection head on.

As a preferable scheme of the invention, the injection head prying seat further comprises a first blowout prevention box, a blowout prevention pipe and a second blowout prevention box which are integrally arranged. The first blowout prevention box, the blowout prevention pipe and the second blowout prevention box are integrally arranged on the injection head prying seat, so that the transportation is convenient, and the on-site debugging operation is convenient. Preferably, the first blowout prevention box, the blowout prevention pipe, the second blowout prevention box and the electric-driving injection head are integrally arranged on the injection head prying seat.

As the preferable scheme of the invention, the reel trailer further comprises an electric control operation room, wherein the electric control operation room is arranged on the reel trailer and comprises a room body, a driller chair and a variable frequency control module, and the driller chair and the variable frequency control module are arranged in the room body.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the continuous pipe operation machine provided by the invention is mainly driven by electric power through arranging the electric driving injection head and the electric driving roller, solves the influence of engine noise on operators and environment, and can realize accurate control.

Drawings

Fig. 1 is a schematic view of the overall structure of a continuous pipe working machine according to embodiment 1 of the present invention during operation.

Fig. 2 is a schematic structural view of a reel trailer provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of the self-propelled vehicle provided in embodiment 1 of the present invention.

Fig. 4 is a front view schematically showing the injection head prying seat on the self-propelled vehicle in embodiment 1 of the invention.

Fig. 5 is a schematic top view of the injection head prying seat on the self-propelled vehicle in embodiment 1 of the invention.

Fig. 6 is a schematic structural view of an electric control operation room in embodiment 1 of the present invention.

Fig. 7 is a front view schematically showing the structure of the electrically driven drum in embodiment 1 of the present invention.

Fig. 8 is a schematic top view of an electrically driven drum according to embodiment 1 of the present invention.

Fig. 9 is a schematic view of an axis measuring structure of the electrically driven roller in embodiment 1 of the present invention.

Fig. 10 is a partially enlarged view of a portion a in fig. 9.

Fig. 11 is a schematic structural view of a connection portion between the driving mechanism and the bidirectional lead screw through the lead screw transmission chain in embodiment 1 of the present invention.

Fig. 12 is a schematic structural view of an electric drive injection head (a first ac inverter motor and a second ac inverter motor are located on the same side of a case, and an encoder and a brake are disposed at the ac inverter motor) in embodiment 1 of the present invention.

Fig. 13 is a partially enlarged view of a portion B in fig. 12.

Fig. 14 is a schematic structural view of an electric drive injection head (a first ac inverter motor and a second ac inverter motor are located on the same side of a case, and an encoder and a brake are disposed at a decelerator) in embodiment 1 of the present invention.

Fig. 15 is a schematic structural view of an electric drive injection head (a first ac inverter motor and a second ac inverter motor are disposed on opposite sides of a case, and an encoder and a brake are disposed on the ac inverter motor) in embodiment 1 of the present invention.

Fig. 16 is a schematic structural view of an electric drive injection head (a first ac inverter motor and a second ac inverter motor are disposed on opposite sides of a case, and an encoder and a brake are disposed on a decelerator) in embodiment 1 of the present invention.

Fig. 17 is a schematic diagram showing the relative positions of the first high-speed shaft and the first actuator of the electric driving head in embodiment 1 of the present invention.

Fig. 18 is a schematic structural view of an electric driver injection head in embodiment 2 of the present invention.

Icon: 1-towing a locomotive; 2-self-propelled vehicle; 3-an electric control operation room; 4-a hydraulic station prying seat; 5-reel trailer; 6-electrically driven roller; 61-a drum support; 62-a hoisting device; 6201-first boom; 6202-a second lifting rod; 6203-rail; 6204-a first lifting support column; 6205-a second lifting support column; 63-a roller body; 6301 — first support; 64-large sprocket; 65-a calandria device; 66-a chain; 67-small sprocket; 68-sprocket shroud; 69 a-first lifting device; 6902 a-a first column; 6901 a-a first electric push rod; 6903 a-a first link; 69 b-second lifting means; 6903 b-a second link; 611-a drum motor; 612-a reducer; 614-slewing bearing; 6501-drive mechanism; 6502-bidirectional screw rod; 6503-a counter; 6504-walking trolley; 6505-rack of pipes; 6506-screw drive chain; 7-injection head prying seat; 31-electrically driving the injection head; 311 a-first reducer; 311 b-second reducer; 312-a box body; 313 a-a first actuator; 3131 a-a first through hole; 313 b-a second actuator; 314 a-a first ac variable frequency motor; 314 b-a second alternating current variable frequency motor; 315 a-first encoder; 315 b-second encoder; 316 a-first brake; 316 b-a second brake; 317 a-a first high speed shaft; 318 a-first coupling; 318 b-a second coupling; 319 a-first angle drive box; 319 b-second angle drive box; 32-a first blowout preventer cartridge; 33-lubricator; 34-a second blowout preventer cartridge; 81-the body of the house; 82-driller's chair; 83-frequency conversion control module; 84-air conditioning.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.