CN110821817B - Drainage gas production intelligence plunger - Google Patents
Drainage gas production intelligence plunger Download PDFInfo
- Publication number
- CN110821817B CN110821817B CN201911140214.8A CN201911140214A CN110821817B CN 110821817 B CN110821817 B CN 110821817B CN 201911140214 A CN201911140214 A CN 201911140214A CN 110821817 B CN110821817 B CN 110821817B
- Authority
- CN
- China
- Prior art keywords
- plunger
- drainage
- gas production
- sensor
- intelligent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/12—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having free plunger lifting the fluid to the surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
- F04B53/125—Reciprocating valves
- F04B53/129—Poppet valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a drainage plunger, in particular to an intelligent drainage gas production plunger, which comprises a valve, a transmission mechanism, a motor, a power supply, a control circuit part, a sensor, an expansion structure, a pipe wall, a shell, a mandrel and a connecting part, wherein when the intelligent drainage gas production plunger falls, fluid is prevented from flowing through a gap between the plunger and the shell through the expansion structure, so that water and air flow through an air hole between the shell and the mandrel and enter the upper part of the intelligent drainage gas production plunger; the intelligent plunger for drainage and gas production falls into accumulated liquid in the pipeline, the acceleration sensor collects the acceleration change of the intelligent plunger for drainage and gas production, the acceleration sensor, the temperature sensor and the pressure sensor feed back information, the falling height of the intelligent plunger for drainage and gas production is controlled by controlling the valve switch, when the intelligent plunger for drainage and gas production is suspended in water, high pressure is generated by gas at the lower part, the intelligent plunger for drainage and gas production and liquid at the upper part of the intelligent plunger for drainage and gas production are pushed to a wellhead, and the purpose of drainage and gas production is achieved.
Description
Technical Field
The invention relates to a drainage plunger, in particular to an intelligent plunger for drainage and gas production.
Background
The problem of liquid accumulation at the bottom of a gas well is a common problem in natural gas exploitation, and particularly in the middle and later periods of gas well production, the liquid accumulation problem is particularly prominent. Measures are needed to be taken to discharge accumulated liquid at the bottom of the well, and the gas production efficiency of the gas well is ensured. The plunger gas lift water drainage gas production process is one of mechanical methods, when the plunger falls into the accumulated liquid at the bottom of the well, a solid interface is formed between the lifting gas and the accumulated liquid, the gas in the sleeve expands towards the oil pipe, and the plunger and the liquid on the upper part of the plunger can be pushed to reach the well mouth along with the gradual increase of the gas, so that the purpose of discharging the accumulated liquid at the bottom of the well is achieved. The existence of the plunger can effectively prevent gas from fleeing upwards and liquid from falling back, thereby reducing the slipping loss and improving the lifting efficiency; the traditional plunger type water drainage gas recovery adopts a pure mechanical transmission structure, and a buffer structure such as a buffer spring and a clamping device is arranged in a shaft so as to realize the purpose of controlling the falling stroke of the plunger. However, this method has the following disadvantages:
(1) the buffer structure is required to be installed in the underground pipeline in advance, the complexity of the engineering is realized, and meanwhile, the height of the plunger for lifting liquid cannot be controlled due to the fixed position of the buffer structure. When the plunger falls to the position of the clamping device and the liquid lifted is too much, the lifting is difficult; if the lifting liquid is too little, the lifting efficiency is low, and the well stopping time is prolonged.
(2) Because the buffer device can not be installed in an inclined well and a horizontal well, the conventional plunger can only be applied to a vertical well.
Disclosure of Invention
The invention aims to provide an intelligent plunger for drainage and gas production, which can realize automatic buffering and control the lifting liquid height of the plunger.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a drainage gas production intelligence plunger, which comprises a valve, drive mechanism, including a motor, an end cap, a controller, and a cover plate, a power supply, control circuit part, a sensor, expanding structure, the pipe wall, and a housing, dabber and coupling part, the lower extreme of shell is provided with the valve, be provided with the dabber in the shell, be connected with a plurality of coupling part between shell and the dabber, all be provided with the gas pocket on a plurality of coupling part, the dabber is provided with the motor, power and control circuit part, the motor passes through drive mechanism and valve connection, the output shaft of motor rotates opening and closing through drive mechanism control flap, the power is the motor, control circuit part and sensor power supply, control circuit part and motor are connected, sensor and control circuit part are connected, be connected with expanding structure on the shell.
As further optimization of the technical scheme, the intelligent plunger for drainage and gas production comprises an expansion structure, wherein the expansion structure comprises an upper pressing plate, a lower pressing plate, an elastic component and a central bolt, the elastic component is arranged between the upper pressing plate and the lower pressing plate, the central bolt is connected to the shell through threads, the upper pressing plate and the lower pressing plate are extruded through pretightening force, and the elastic component is extruded by the upper pressing plate and the lower pressing plate to radially expand to be in contact with the pipe wall.
As further optimization of the technical scheme, the intelligent plunger for water drainage and gas production comprises an expansion structure and a spring, wherein the spring is arranged in the elastic member, and the elastic member radially expands under the extrusion of the spring and is contacted with the pipe wall.
As a further optimization of the technical scheme, the intelligent plunger for water drainage and gas production further comprises a sensor sealing structure and a sealing member, wherein the sensor is positioned at the upper end of the inner side of the mandrel, the sensor is provided with the sensor sealing structure, and the lower end of the mandrel is provided with the sealing member.
As a further optimization of the technical scheme, the intelligent plunger for water drainage and gas production further comprises a fishing head, and the fishing head is connected to the expansion structure.
As a further optimization of the technical scheme, the lower end of the shell is of a conical structure.
As further optimization of the technical scheme, the intelligent plunger for water drainage and gas production comprises an acceleration sensor, a temperature sensor and a pressure sensor, wherein the acceleration sensor is used for monitoring the acceleration of the movement of the plunger and integrating the acceleration to obtain the speed and the displacement of the plunger, the temperature sensor is used for monitoring the temperature of the position where the plunger is located, and the pressure sensor is used for monitoring the change of pressure.
As further optimization of the technical scheme, the intelligent plunger for drainage and gas production comprises a control circuit part, a Serial Peripheral Interface (SPI), a general input/output interface (GPIO), an asynchronous transceiving transmitter (UART), an analog-to-digital converter (ADC), a Flash memory, a radio frequency module and a Micro Control Unit (MCU), wherein the Serial Peripheral Interface (SPI) exchanges data with an acceleration sensor and the Flash memory; the general purpose input and output interface GPIO receives the information of the temperature sensor and controls the motor to operate; the UART exchanges information with the radio frequency module; the analog-to-digital converter ADC receives signals of the pressure sensor, converts analog signals transmitted by the pressure sensor into digital signals and inputs the digital signals into the MCU.
A water drainage gas production method comprises the following steps:
the method comprises the following steps: the drainage gas production intelligent plunger falls down, the valve is opened, and water and air flow through the air hole between the shell and the mandrel and enter the upper part of the drainage gas production intelligent plunger;
step two: the intelligent plunger for water drainage and gas recovery falls into the accumulated liquid in the pipeline, and the acceleration of the intelligent plunger for water drainage and gas recovery changes;
step three; and (3) closing the valve, feeding back information by using the acceleration sensor, the temperature sensor and the pressure sensor, controlling the falling height of the drainage gas production intelligent plunger in water, and pushing the drainage gas production intelligent plunger and the liquid on the upper part of the drainage gas production intelligent plunger to a wellhead by gathering gas at the lower part to generate high pressure when the drainage gas production intelligent plunger stops moving.
The intelligent plunger for water drainage and gas production has the beneficial effects that:
according to the intelligent plunger for water drainage and gas production, when the intelligent plunger for water drainage and gas production falls down, fluid is prevented from flowing through a gap between the plunger and the shell through the expansion structure, so that water and air flow through the air hole between the shell and the mandrel and enter the upper part of the intelligent plunger for water drainage and gas production; the intelligent plunger for drainage and gas production falls into accumulated liquid in the pipeline, the acceleration sensor collects the acceleration change of the intelligent plunger for drainage and gas production, the acceleration sensor, the temperature sensor and the pressure sensor feed back information, the falling height of the intelligent plunger for drainage and gas production is controlled by controlling the valve switch, when the intelligent plunger for drainage and gas production is suspended in water, high pressure is generated by gas at the lower part, the intelligent plunger for drainage and gas production and liquid at the upper part of the intelligent plunger for drainage and gas production are pushed to a wellhead, and the purpose of drainage and gas production is achieved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly or indirectly connected through an intermediate medium, and may be a communication between two members. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.
FIG. 1 is a schematic diagram of the overall structure of the intelligent plunger for water drainage and gas production;
FIG. 2 is a schematic diagram of a top view of the battery pack distribution in the power supply of the present invention;
FIG. 3 is a schematic diagram of a front view of the battery pack distribution in the power supply of the present invention;
FIG. 4 is a first schematic view of the expanded configuration of the present invention;
FIG. 5 is a second schematic view of the expanded configuration of the present invention;
FIG. 6 is a schematic view of the structure of the connection portion of the present invention;
FIG. 7 is a block diagram of a control circuit portion of the present invention;
FIG. 8 is a block flow diagram of plug drainage gas recovery in accordance with the present invention.
In the figure: a valve 1; a transmission mechanism 2; a motor 3; a power supply 4; a control circuit section 5; a sensor 6; a sensor seal structure 7; an expansion structure 8; an upper platen 8-1; a lower pressing plate 8-2; an elastic member 8-3; 8-4 parts of a central bolt; 8-5 of a spring; a fishing head 9; a tube wall 10; a housing 11; a mandrel 12; a connecting portion 13; and an air hole 13-1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-8, a drainage gas production intelligent plunger includes a valve 1, a transmission mechanism 2, a motor 3, a power supply 4, a control circuit part 5, a sensor 6, an expansion structure 8, a pipe wall 10, a housing 11, a mandrel 12 and a connection part 13, the valve 1 is arranged at the lower end of the housing 11, the mandrel 12 is arranged in the housing 11, the connection parts 13 are connected between the housing 11 and the mandrel 12, air holes 13-1 are arranged on the connection parts 13, the mandrel 12 is provided with the motor 3, the power supply 4 and the control circuit part 5, the motor 3 is connected with the valve 1 through the transmission mechanism 2, the output shaft of the motor 3 rotates to control the opening and closing of the valve 1 through the transmission mechanism 2, the power supply 4 supplies power to the motor 3, the control circuit part 5 and the sensor 6, the control circuit part 5 is connected with the motor 3, the sensor 6 is connected with the control circuit, the shell 11 is connected with an expansion structure 8, and the expansion structure 8 radially expands under the action of pressure to be contacted with the pipe wall 10; when the drainage gas production intelligent plunger falls down, the expansion structure 8 prevents fluid from flowing through a gap between the plunger and the shell, so that water and air flow can flow through the air hole 13-1 between the shell 11 and the mandrel 12 and enter the upper part of the drainage gas production intelligent plunger; the drainage gas production intelligent plunger falls into accumulated liquid in the pipeline, the acceleration sensor collects the acceleration change of the drainage gas production intelligent plunger, the acceleration sensor, the temperature sensor and the pressure sensor feed back information, the switch of the control valve 1 controls the water inlet depth of the drainage gas production intelligent plunger, and when the drainage gas production intelligent plunger is suspended, lower gas generates high pressure, and the drainage gas production intelligent plunger is pushed up to a wellhead based on the upper liquid of the drainage gas production intelligent plunger, so that the purpose of drainage gas production is realized.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 8, and the embodiment further describes the first embodiment, where the expansion structure 8 includes an upper pressing plate 8-1, a lower pressing plate 8-2, an elastic member 8-3, and a central bolt 8-4, the elastic member 8-3 is disposed between the upper pressing plate 8-1 and the lower pressing plate 8-2, the central bolt 8-4 is connected to the housing 11 through a thread, the upper pressing plate 8-1 and the lower pressing plate 8-2 are pressed by a pretightening force, and the upper pressing plate 8-1 and the lower pressing plate 8-2 press the elastic member 8-3 to radially expand and contact the pipe wall 10; the lower belt of the expansion structure 8 can be adjusted according to the size of the wellhead; the expansion structure 8 can be adjusted in position according to the structural and functional requirements, can be arranged at the upper part of the plunger device, and can also be arranged at other positions.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, and the embodiment further describes the first embodiment, the expansion structure 8 includes a spring 8-5 and an elastic member 8-3, the spring 8-5 is disposed in the elastic member 8-3, and the elastic member 8-3 expands radially under the compression of the spring 8-5 to contact with the pipe wall 10; the elastic member 8-3 may be rubber or other elastic material; the lower belt of the expansion structure 8 can be adjusted according to the size of the wellhead; the expansion structure 8 can be adjusted in position according to the structural and functional requirements, can be arranged at the upper part of the plunger device, and can also be arranged at other positions.
The fourth concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 8, and the present embodiment further describes the first embodiment, where the intelligent plunger for water drainage and gas production further includes a sensor sealing structure 7 and a sealing member, the sensor 6 is located at the upper end of the inner side of the mandrel 12, the sensor 6 is provided with the sensor sealing structure 7, and the lower end of the mandrel 12 is provided with the sealing member; the sensor sealing structure 7 and the sealing member may be a car seal or an O-ring seal; because water and various corrosive gases are present in the downhole environment, a sealing member is present between the mandrel 12 and the outside, preventing water and corrosive gases from entering the inside of the mandrel 12.
The fifth concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 8, and the present embodiment further describes the first embodiment, the intelligent plunger for water drainage and gas production further includes a fishing head 9, and the fishing head 9 is connected to the expansion structure 8; the fishing head is matched with wellhead equipment to realize the purpose of fishing the plunger.
The sixth specific implementation mode:
the present embodiment is described below with reference to fig. 1 to 8, and the present embodiment further describes the first embodiment, in which the lower end of the housing 11 has a tapered structure; the resistance of the device in the descending process can be reduced, and the impact force of water entering in the falling process can be reduced.
The seventh embodiment:
the present embodiment is described below with reference to fig. 1 to 8, and the present embodiment further describes any one of the first to sixth embodiments, where the sensor 6 includes an acceleration sensor, a temperature sensor and a pressure sensor, the acceleration sensor is used for monitoring acceleration of the movement of the plunger and integrating the acceleration to obtain the speed and displacement of the plunger, the temperature sensor is used for monitoring the temperature of the position where the plunger is located, and the pressure sensor is used for monitoring the change of the pressure;
temperature measurement: measuring the frequency output of the temperature sensor by the MCU through the general input/output interface GPIO to obtain a temperature value;
pressure measurement: after the output signal of the pressure sensor is amplified, sampling is carried out by an analog-to-digital converter (ADC) to obtain a pressure value;
measuring the motion parameters: measuring the change of the acceleration through an acceleration sensor, and integrating the acceleration to obtain the speed and the position of the plunger;
and (3) measuring the water entering state: whether the acceleration changes violently or not is monitored, so that the impact state of the device can be obtained, and whether the device enters water or not is judged;
The specific implementation mode is eight:
the following describes the present embodiment with reference to fig. 1 to 8, and the seventh embodiment is further described in the present embodiment, where the control circuit part 5 includes a serial peripheral interface SPI, a general purpose input/output interface GPIO, an asynchronous transceiver transmitter UART, an analog-to-digital converter ADC, a Flash memory, a radio frequency module, and a micro control unit MCU, and the serial peripheral interface SPI exchanges data with the acceleration sensor and the Flash memory; the general purpose input/output interface GPIO receives the information of the temperature sensor and controls the motor 3 to operate; the UART exchanges information with the radio frequency module; the analog-to-digital converter ADC receives a signal of the pressure sensor, converts an analog signal transmitted by the pressure sensor into a digital signal and inputs the digital signal into the MCU; the power supply 4 and the control circuit part 5 are positioned inside the mandrel 12, and the sensor 6 can be positioned inside the mandrel 12 or outside the mandrel 12 according to the monitored physical quantity and performance requirements; in the control circuit part 5, there are acceleration sensors to monitor the acceleration change during the movement of the plunger, integrating to obtain the velocity and displacement during the downward movement of the plunger, temperature sensors to monitor the temperature change, pressure sensors to monitor the pressure during the movement of the plunger, both of which provide references for determining the valve closing time.
A water drainage gas production method comprises the following steps:
the method comprises the following steps: the intelligent plunger for drainage and gas production falls, the valve 1 is opened, and water and air flow through the air hole 13-1 between the shell 11 and the mandrel 12 and enter the upper part of the intelligent plunger for drainage and gas production;
step two: the intelligent plunger for water drainage and gas recovery falls into the accumulated liquid in the pipeline, and the acceleration of the intelligent plunger for water drainage and gas recovery changes;
step three; the valve 1 is closed, information is fed back by the acceleration sensor, the temperature sensor and the pressure sensor, the falling height of the drainage gas production intelligent plunger is controlled, when the drainage gas production intelligent plunger is suspended in the accumulated liquid, high pressure is generated by gas at the lower part, and the drainage gas production intelligent plunger and liquid at the upper part of the drainage gas production intelligent plunger are pushed to a wellhead.
The invention relates to an intelligent plunger for water drainage and gas production, which has the working principle that:
as shown in fig. 8, when the intelligent plunger for water drainage and gas production is used, the intelligent plunger falls into the accumulated liquid in the pipeline, water and air flow through the gap between the mandrel 12 and the shell 11, the device falls rapidly, the acceleration sensor is used for monitoring the acceleration change of the plunger in the motion process, the acceleration of the device is greatly changed at the moment of entering water, the acceleration sensor monitors the signal of the acceleration change of the plunger when entering water, and the valve 1 is closed after a certain time; the pressure sensor monitors the pressure in the movement process of the device and provides reference for determining the opening and closing of the valve 1; when the device enters water for a certain time, the valve 1 is closed, and the speed of the device is rapidly reduced to 0; at the moment, the device is suspended in accumulated liquid at the bottom of a well, a certain water column is generally 20-200 meters above the device, and the device can be adjusted according to different well conditions; because the valve 1 is closed, the gas at the lower part of the device cannot rise through the gas hole 13-1 between the mandrel 12 and the shell 11, and higher gas pressure can be generated at the lower part of the device; the device and the liquid on the upper part of the device are pushed to a wellhead by the air pressure of the well bottom, the liquid on the upper part of the device flows away through a bypass pipeline, and the wellhead device refluxes a plunger through a catching head to return to an initial state; when the accumulated liquid at the bottom of the well increases again, the device is put into the well, the processes are repeated, the circulation is repeated, the accumulated liquid at the bottom of the well is discharged by the device, and the normal production of the natural gas well is ensured.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (6)
1. The utility model provides a drainage gas production intelligence plunger, includes valve (1), drive mechanism (2), motor (3), power (4), control circuit part (5), sensor (6), expanded structure (8), pipe wall (10), shell (11), dabber (12) and coupling part (13), its characterized in that: the lower end of the shell (11) is provided with a valve (1), a mandrel (12) is arranged in the shell (11), a plurality of connecting parts (13) are connected between the shell (11) and the mandrel (12), air holes (13-1) are arranged on the connecting parts (13), a motor (3), a power supply (4) and a control circuit part (5) are arranged in the mandrel (12), the motor (3) is connected with the valve (1) through a transmission mechanism (2), the output shaft of the motor (3) rotates to control the opening and closing of the valve (1) through the transmission mechanism (2), the power supply (4) is the motor (3), the control circuit part (5) is supplied with power by the sensor (6), the control circuit part (5) is connected with the motor (3), the sensor (6) is connected with the control circuit part (5), the shell (11) is connected with the expansion structure (8), and the expansion structure (8) radially expands under the action of pressure to be contacted with the pipe wall (10);
the drainage gas production intelligent plunger further comprises a sensor sealing structure (7) and a sealing component, the sensor (6) is located at the upper end of the inner side of the mandrel (12), the sensor sealing structure (7) is arranged on the sensor (6), and the sealing component is arranged at the lower end of the mandrel (12);
the sensor (6) comprises an acceleration sensor, a temperature sensor and a pressure sensor, wherein the acceleration sensor is used for monitoring the acceleration of the movement of the plunger and integrating the acceleration to obtain the speed and the displacement of the plunger, the temperature sensor is used for monitoring the temperature of the position where the plunger is located, and the pressure sensor is used for monitoring the change of the pressure.
2. The intelligent plunger for drainage and gas production according to claim 1, wherein: the expansion structure (8) comprises an upper pressing plate (8-1), a lower pressing plate (8-2), an elastic component (8-3) and a center bolt (8-4), the elastic component (8-3) is arranged between the upper pressing plate (8-1) and the lower pressing plate (8-2), the center bolt (8-4) is connected to the shell (11) through threads, the upper pressing plate (8-1) and the lower pressing plate (8-2) are extruded through pretightening force, and the elastic component (8-3) is extruded by the upper pressing plate (8-1) and the lower pressing plate (8-2) to radially expand and contact the pipe wall (10).
3. The intelligent plunger for drainage and gas production according to claim 2, wherein: the expansion structure (8) further comprises a spring (8-5), the spring (8-5) is arranged in the elastic component (8-3), and the elastic component (8-3) radially expands under the extrusion of the spring (8-5) to be in contact with the pipe wall (10).
4. The intelligent plunger for drainage and gas production according to claim 3, wherein: the drainage gas production intelligent plunger further comprises a fishing head (9), and the fishing head (9) is connected to the expansion structure (8).
5. The intelligent plunger for drainage and gas production according to claim 4, wherein: the control circuit part (5) comprises a serial peripheral interface SPI, a general input/output interface GPIO, an asynchronous transceiving transmitter UART, an analog-to-digital converter ADC, a Flash memory, a radio frequency module and a micro control unit MCU, and the serial peripheral interface SPI exchanges data with the acceleration sensor and the Flash memory; the general input/output interface GPIO receives the information of the temperature sensor and controls the motor (3) to operate; the UART exchanges information with the radio frequency module; the analog-to-digital converter ADC receives signals of the pressure sensor, converts analog signals transmitted by the pressure sensor into digital signals and inputs the digital signals into the MCU.
6. The method for water drainage and gas recovery by using the intelligent plunger for water drainage and gas recovery as claimed in claim 5, is characterized in that: the method comprises the following steps:
the method comprises the following steps: the drainage gas production intelligent plunger falls down, the valve (1) is opened, and water and air flow into the upper part of the drainage gas production intelligent plunger from an air hole (13-1) between the shell (11) and the mandrel (12);
step two: the intelligent plunger for water drainage and gas recovery falls into the accumulated liquid in the pipeline, and the acceleration of the intelligent plunger for water drainage and gas recovery changes;
step three; the valve (1) is closed, information is fed back by the acceleration sensor, the temperature sensor and the pressure sensor, the falling height of the drainage gas production intelligent plunger in water is controlled, when the drainage gas production intelligent plunger stops moving, gas at the lower part is gathered to generate high pressure, and the drainage gas production intelligent plunger and liquid at the upper part of the drainage gas production intelligent plunger are pushed to a wellhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140214.8A CN110821817B (en) | 2019-11-20 | 2019-11-20 | Drainage gas production intelligence plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140214.8A CN110821817B (en) | 2019-11-20 | 2019-11-20 | Drainage gas production intelligence plunger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821817A CN110821817A (en) | 2020-02-21 |
| CN110821817B true CN110821817B (en) | 2020-09-29 |
Family
ID=69557226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911140214.8A Active CN110821817B (en) | 2019-11-20 | 2019-11-20 | Drainage gas production intelligence plunger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821817B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577245B (en) * | 2020-05-19 | 2023-03-28 | 成都佳广知科技有限公司 | Intelligent water lifting gas production system and method for natural gas well |
| CN112065334B (en) * | 2020-07-30 | 2022-12-09 | 成都万基石油机械制造有限公司 | Underground intelligent gas interception and adjustment gas production and drainage robot |
| CN113279732A (en) * | 2021-01-29 | 2021-08-20 | 西安安森智能仪器股份有限公司 | Compression type diameter-variable plunger |
| CN115492556B (en) * | 2022-09-26 | 2023-07-14 | 北京锦世嘉源科技发展有限公司 | From hovering area hydrops and detect intelligent plunger |
| CN117135590A (en) * | 2023-10-26 | 2023-11-28 | 中国石油工程建设有限公司 | Wireless data transmission method for intelligent plunger system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU655819A1 (en) * | 1971-08-16 | 1979-04-05 | Волго-Уральский Филиал Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института Геофизических Исследований Геологоразведочных Скважин | Device for hydrodynamic investigations of uncased boreholes |
| CN104632145B (en) * | 2015-02-06 | 2017-07-07 | 中国石油天然气股份有限公司 | A kind of gas well draining plunger |
| CN204627562U (en) * | 2015-04-29 | 2015-09-09 | 北京Tsc海洋石油装备有限公司 | Intelligent pole plug water drainage gas production device |
| CN108071364A (en) * | 2016-11-12 | 2018-05-25 | 肖蔚然 | A kind of controllable device of gas well water pumping gas production |
| CN109723408B (en) * | 2019-03-25 | 2021-06-15 | 西南石油大学 | Split type intelligent plunger with pulley mechanism |
-
2019
- 2019-11-20 CN CN201911140214.8A patent/CN110821817B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110821817A (en) | 2020-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110821817B (en) | Drainage gas production intelligence plunger | |
| CN202300332U (en) | Underground staging device for plunger gas production system and multi-stage plunger gas production system | |
| CN104453790A (en) | Water drainage and gas collection device with plunger | |
| CN104790917B (en) | Intelligent pole plug water drainage gas production device | |
| CN110725674A (en) | Intelligent control continuous drainage gas production plunger capable of being charged wirelessly | |
| CN102418500A (en) | Directly controlled continuous quantitative layered production allocation oil pipe column | |
| CN111749654A (en) | Method and system for controlling gas well plunger gas lift drainage gas recovery | |
| CN111577245B (en) | Intelligent water lifting gas production system and method for natural gas well | |
| CN113550739A (en) | Liquid level on-line monitoring method and plunger for monitoring | |
| CN202348248U (en) | Porous concentric integrated continuous quantificational bottom-hole regulator | |
| CN204627562U (en) | Intelligent pole plug water drainage gas production device | |
| CN217632381U (en) | Controllable plunger for drainage and gas production of gas well based on digital oil field construction | |
| CN201090177Y (en) | Multifunctional check valve | |
| CN210235744U (en) | Oil storage tank with one-way valve | |
| CN113279732A (en) | Compression type diameter-variable plunger | |
| CN211008590U (en) | Intelligent control continuous drainage gas production plunger capable of being charged wirelessly | |
| CN107575213B (en) | Full-automatic intelligent foam discharging agent feeding device for underground | |
| CN110847866A (en) | Intelligent plunger system | |
| CN109826594A (en) | Casing gas collection device and application method | |
| CN108412489A (en) | A kind of control device and its control method with brill well logging | |
| CN202202844U (en) | Piston tool equipped with adjustable by-pass valve | |
| CN202001415U (en) | Hydraulic control one-way valve | |
| CN211201898U (en) | Intelligent discharging and mining plunger | |
| CN208310764U (en) | A kind of control device with brill well logging | |
| CN107762481A (en) | A kind of oil well multi-parameters sampling and casing gas constant-pressure retracting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Wenping Inventor after: Zhou Qingqiang Inventor after: Liu Feng Inventor after: Qiang Yan Inventor after: Li Dai Inventor after: Li Zhou Dai Inventor after: Cheng Yukun Inventor before: Song Wenping Inventor before: Zhou Qingqiang Inventor before: Liu Feng Inventor before: Qiang Yan Inventor before: Li Dai Inventor before: Li Zhou Dai Inventor before: Cheng Yukun |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An intelligent plunger for drainage and gas production Effective date of registration: 20211217 Granted publication date: 20200929 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN AITUOPU TECHNOLOGY CO.,LTD. Registration number: Y2021230000057 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230208 Granted publication date: 20200929 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN AITUOPU TECHNOLOGY CO.,LTD. Registration number: Y2021230000057 |