Intelligent integrated well washing device for coal-bed gas well

Abstract

The utility model discloses an intelligent integrated well washing device for a coal-bed gas well, which comprises a water pool, a water tank, a water pump and a water pump, the input end of the diaphragm pump is communicated with the water tank through a first pipeline, the output end of the diaphragm pump is communicated with the backflow pipeline through a second pipeline, and the backflow end of the backflow pipeline is communicated with the first pipeline; the third well is communicated with the backflow pipeline through a third pipeline, and a third control valve and a third well washing adjusting valve are sequentially arranged on the third pipeline in the flowing direction of the third pipeline. The system is based on real-time data monitoring, accurate metering and well washing injection rate control, timely regulation and control are performed according to the operation condition of a gas well, manpower and material resources are greatly saved, the system is not affected by weather and roads, and the number of times of going out at night is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to well washing technical field, concretely is a coal bed gas well intelligent integrated well washing device. BACKGROUND

[0002] In the coal bed gas exploitation process, because coal bed geologic condition is complex, the coal powder, sand grain and other impurities in the stratum are extremely easy to enter the pump cylinder along with the fluid. In the traditional well washing operation, it is lack of precision and real-time adaptability to depend on the artificial experience to set the well washing parameter (well washing flow, pressure). In this way, it is difficult to efficiently remove the impurity accumulation in the well cylinder, causes the pump efficiency to reduce, the pump is stuck and other faults frequently occur, seriously influence the normal production of the coal bed gas well, and the improper well washing parameter can influence the continuous and stable output of the coal bed gas.

[0003] Meanwhile, along with the increase of the gas well quantity and the expansion of the distribution range, the traditional well washing mode faces huge pressure in the human and material resources deployment, and it is difficult to realize the large-scale and intensive management. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model provides a coal bed gas well intelligent integrated well washing device to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a coal bed gas well intelligent integrated well washing device, which comprises:

[0006] A water tank is connected with the water pool through a water supply pipeline;

[0007] The input end of a diaphragm pump is connected with the water tank through a pipeline one, the output end of the diaphragm pump is connected with a backflow pipeline through a pipeline two, and the backflow end of the backflow pipeline is connected with the pipeline one;

[0008] Well three is connected with the backflow pipeline through a pipeline three, and a control valve three and a well washing adjusting valve three are sequentially arranged on the pipeline three along the flow direction thereof;

[0009] Well two is connected with the backflow pipeline through a pipeline four, and a control valve two and a well washing adjusting valve two are sequentially arranged on the pipeline four along the flow direction thereof;

[0010] Well one is connected with the backflow pipeline through a pipeline five, and a control valve one and a well washing adjusting valve one are sequentially arranged on the pipeline five along the flow direction thereof;

[0011] The well three, the well two and the well one are all connected with the water pool through a blow-off pipe.

[0012] Further, as preferred, a water supplement pump is arranged on the water supply pipeline.

[0013] Furthermore, as a preferred embodiment, a pressure gauge is installed on the second pipeline.

[0014] Furthermore, as a preferred embodiment, a reflux regulating valve is provided on the reflux pipe and near the pipe.

[0015] Furthermore, as a preferred embodiment, the water inflow of control valve three on pipeline three, the water inflow of control valve two on pipeline four, and the water inflow of control valve one on pipeline five are all monitored and recorded in real time by a well-washing flow meter.

[0016] This utility model adopts the above technology and has the following beneficial effects compared with the existing technology:

[0017] This utility model device is based on real-time monitoring data, accurately measures and controls the well washing injection volume, and adjusts it in a timely manner according to the gas well operation, which greatly saves manpower and material resources, is not affected by weather and road conditions, and reduces the number of nighttime vehicle trips.

[0018] Furthermore, this utility model system enables one pump to operate multiple wells, remote monitoring, and dynamic adjustment, ensuring continuous well washing operations. The integrated device is easy to install. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of an intelligent integrated well-washing device for coalbed methane wells.

[0020] In the diagram: 1. Water tank; 2. Make-up water pump; 3. Water tank; 4. Diaphragm pump; 5. Pressure gauge; 6. Control valve three; 7. Well-washing regulating valve three; 8. Well three; 9. Well two; 10. Well one; 11. Well-washing regulating valve two; 12. Well-washing regulating valve one; 13. Control valve two; 14. Control valve one; 15. Well-washing flow meter; 16. Return flow regulating valve. Detailed Implementation

[0021] With reference to the accompanying drawings of the embodiments of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below.

[0022] Example: Please refer to the appendix. Figure 1 This utility model provides a technical solution: an intelligent integrated well-washing device for coalbed methane wells, comprising:

[0023] Water pool 1 is connected to water tank 3 by a water supply pipe;

[0024] The diaphragm pump 4 has its input end connected to the water tank 3 via pipe one, and its output end connected to the return pipe via pipe two, with the return end of the return pipe connected to pipe one.

[0025] Well 3, 8, is connected to the return pipeline via Pipe 3. Control valve 3, 6 and well washing regulating valve 3, 7 are sequentially installed on Pipe 3 along its flow direction.

[0026] Well 29 is connected to the return pipe via pipe 4. Control valve 213 and well washing regulating valve 211 are sequentially installed on pipe 4 along its flow direction.

[0027] Well 10 is connected to the return pipe via pipe 5. Control valve 14 and well washing regulating valve 12 are sequentially installed on pipe 5 along its flow direction.

[0028] Well 3 (8), Well 2 (9), and Well 1 (10) are all connected to Water Pool 1 via sewage pipes.

[0029] In this embodiment, a water supply pump 2 is installed on the water supply pipeline.

[0030] In this embodiment, a pressure gauge 5 is installed on pipe 2.

[0031] In this embodiment, a reflux regulating valve 16 is installed on the reflux pipe and near the pipe.

[0032] In this embodiment, the water inflow of control valve 36 on pipeline 3, the water inflow of control valve 213 on pipeline 4, and the water inflow of control valve 14 on pipeline 5 are all monitored and recorded in real time by well washing flow meter 15.

[0033] In practical implementation, this utility model system is based on real-time monitoring data to accurately measure and control the well washing injection volume, and adjusts it in a timely manner according to the gas well operation, which greatly saves manpower and material resources, is not affected by weather and road conditions, and reduces the number of nighttime vehicle trips.

[0034] Furthermore, this utility model system enables one pump to operate multiple wells, remote monitoring, and dynamic adjustment, ensuring continuous well washing operations. The integrated device is easy to install.

[0035] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A coal bed gas well intelligent integrated well washing device, characterized in that, It includes: The pool (1) is connected with water tank (3) between the water supply pipeline; The diaphragm pump (4) input end with pipeline one and water tank (3) are communicated, the output end of the diaphragm pump (4) is communicated with the return pipeline by pipeline two, and the return end of the return pipeline is communicated with the pipeline one; Well three (8), it is communicated with the return pipeline by pipeline three, the pipeline three and along its flow direction are sequentially provided with control valve three (6), well flushing regulating valve three (7); Well two (9), it is communicated with the return pipeline by pipeline four, the pipeline four and along its flow direction are sequentially provided with control valve two (13), well flushing regulating valve two (11); Well one (10), it is communicated with the return pipeline by pipeline five, the pipeline five and along its flow direction are sequentially provided with control valve one (14), well flushing regulating valve one (12); Wherein, the well three (8), well two (9) and well one (10) are communicated with the pool (1) by the blowdown pipe.

2. The coal bed gas well intelligent integrated well washing device according to claim 1, characterized in that: The water supply pipeline is provided with water supplement pump (2).

3. The coal bed gas well intelligent integrated well washing device according to claim 1, characterized in that: The pipeline two is provided with pressure gauge (5).

4. The coal bed gas well intelligent integrated well washing device according to claim 1, characterized in that: The return regulating valve (16) is arranged on the return pipeline and close to the pipeline one.

5. The coal bed gas well intelligent integrated well washing device according to claim 1, characterized in that: The water inlet quantity of the control valve three (6) on the pipeline three, the water inlet quantity of the control valve two (13) on the pipeline four and the water inlet quantity of the control valve one (14) on the pipeline five are monitored and recorded in real time by well flushing flowmeter (15).

Images