CN117365408A - Pressure-controlled cable-free intelligent dispensing control method and device - Google Patents
Pressure-controlled cable-free intelligent dispensing control method and device Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 175
- 238000002347 injection Methods 0.000 claims abstract description 58
- 239000007924 injection Substances 0.000 claims abstract description 58
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- 238000004891 communication Methods 0.000 claims description 10
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/047—Casing heads; Suspending casings or tubings in well heads for plural tubing strings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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Abstract
The invention relates to the technical field of intelligent cable-free dispensing, and particularly discloses a pressure-controlled intelligent cable-free dispensing control method, which comprises the following steps: inputting pressure waves with duration information to the underground intelligent water distributor; adjusting the opening degree of the numerical control water nozzle of each layer of intelligent water distributor according to the duration information of the pressure wave; the method comprises the steps of collecting stratum injection information and using the stratum injection information to feedback control duration information coding of pressure waves. The method can enable each water injection layer to achieve the purpose of intelligent split injection, and solves the problems of unstable pressure wave and long transmission time in the prior art.
Description
Technical Field
The invention relates to the technical field of intelligent cable-free dispensing, in particular to a pressure-controlled intelligent cable-free dispensing control method.
Background
Aiming at the problems of low water driving degree and rapid natural decrease of the low-permeability reservoir, each oil field expands the application scale of the separate-layer water injection. The conventional dispensing process has the problems of large testing and adjusting workload, high cost, incapability of monitoring dispensing qualification rate in real time, high field management difficulty, high testing resistance and the like. In addition, the average injection qualification rate of the conventional injection process can be reduced after 3 months, and the requirement of fine injection in oil fields can not be met. The existing mature cable-controlled separate-layer water injection system has the technical and economic problems that cables are required to be fixed during construction, the construction is complex, the system is not suitable for high-inclination wells and pressurized operation, longer cables are required for large well depths, the cost is increased and the like. The pressure cable-free layered water injection system adopts a novel intelligent pressure wave communication underground intelligent water distributor disclosed in patent literature (Chinese patent publication No. CN 209129589U), does not need to manually perform instrument casting and measuring and adjusting, can be applied to high-inclination wells, horizontal wells and pressurized operation wells, and can transmit data and commands through pressure waves, and the underground water distributor and a ground controller do not need additional cables, and are simple in construction, low in cost and low in maintenance cost.
Disclosure of Invention
The invention aims at providing a pressure-controlled cable-free intelligent separate injection control method, which can enable each water injection layer to achieve the purpose of intelligent separate injection and solve the problems of unstable pressure wave and long transmission time in the prior art.
The aim of the invention can be achieved by the following technical scheme:
a voltage controlled cable-less intelligent dispensing control method, the method comprising:
inputting pressure waves with duration information to the underground intelligent water distributor;
adjusting the opening degree of the numerical control water nozzle of each layer of intelligent water distributor according to the duration information of the pressure wave;
the method comprises the steps of collecting stratum injection information and using the stratum injection information to feedback control duration information coding of pressure waves.
In a further scheme, the duration information comprises a start bit, a horizon, a function bit, a data bit and an end bit duration, and the layer injection information comprises layer injection flow, pressure and temperature data.
In a further scheme, the functional position duration comprises a command duration for setting the opening of a water nozzle of the water distributor, setting the injection allocation flow of the water distributor, checking the sealing function of the water injection well, reading the injection allocation flow of the water distributor and reading the pressure measurement data of the water distributor.
In a further aspect, the method for inputting pressure waves with time duration information to a downhole intelligent water distributor includes: the ground controller changes the pressure change in the oil pipe of the water injection well by controlling the actuator, and inputs a pressure wave signal with duration information into the well bore to the intelligent water distributor.
In a further scheme, the actuator comprises an electric control regulating valve, an electromagnetic flowmeter, an inlet pressure sensor and an outlet pressure sensor, wherein the electromagnetic flowmeter and the inlet pressure sensor are sequentially arranged at the water inlet end of the electric control regulating valve, and the outlet pressure sensor is arranged at the water outlet end of the electric control regulating valve.
In a further scheme, the actuator further comprises an automatic pressure release valve, an automatic pressure pump and a water storage, wherein the automatic pressure pump is connected to a water supply pipeline at the water inlet end of the electric control regulating valve, the automatic pressure release valve is connected in parallel to a water outlet pipeline at the water outlet end of the electric control regulating valve, and the water storage is used for storing water injected after pressure release of the automatic pressure release valve and supplying water to the automatic pressure pump.
In a further scheme, the method for adjusting the opening degree of the numerical control water nozzle of each layer of intelligent water distributor according to the duration information of the pressure wave comprises the following steps: analyzing pressure waves with the duration information of the corresponding layers through the receiver of each layer of water distributor, and controlling the opening degree of the numerical control water nozzle according to different duration information so as to adjust the water injection flow and pressure; preferably, the numerical control water nozzle is a constant temperature numerical control water nozzle.
In a further aspect, the method for acquiring pressure and flow information of the injection layer for controlling duration information encoding of pressure waves includes: the intelligent water distributor numerical control water nozzle is internally provided with two pressure sensors to form a differential pressure flowmeter to calculate injection allocation, the acquisition circuit board is controlled to process underground water injection information, pressure waves are formed through the numerical control water nozzle and fed back to the ground controller, the ground controller uploads the total flow, each layered flow, wellhead opening and temperature data to the upper computer in real time to be stored, and the upper computer encodes pressure wave duration information according to the stored data by using a feedback control algorithm.
Another aspect of the present invention is to provide a pressure-controlled cable-less intelligent dispensing control device, which includes an input control module, wherein the input control module is used for inputting pressure waves with duration information to an underground intelligent water distributor;
the adjusting module is used for adjusting the opening degree of the numerical control water nozzle of each layer of intelligent water distributor according to the duration information of the pressure wave;
an acquisition module; the pressure and flow information for the acquisition and formation is used to control the duration information encoding of the pressure wave.
In a further scheme, the input control module comprises an upper computer, an executor and a ground controller, wherein the upper computer is used for sending a pressure wave duration information coding command to the ground controller, and the controller analyzes the coding command and controls the executor to code pressure waves according to the command; the adjusting module comprises a receiver and an automatic adjusting valve, the receiver is used for analyzing the coded pressure wave, and the automatic adjusting valve is used for adjusting the opening of the numerical control water nozzle of the intelligent water distributor; the acquisition module comprises two pressure sensors, a temperature sensor and a wireless communication module, wherein the temperature sensor and one of the pressure sensors are arranged at the water outlet end of the numerical control water nozzle, the other pressure sensor is arranged at the water inlet end of the numerical control water nozzle, the flow and pressure data of the water injection layer are acquired through the two pressure sensors, the temperature data of the water injection layer are acquired through the temperature sensor, and the wireless communication module is used for transmitting the data to the ground controller.
The invention has the beneficial effects that:
according to the intelligent dispensing system, a pressure carrier mode is adopted in a communication mode with the underground water distributor, the ground controller and the underground water distributor are linked through a pressure wave communication technology, namely, a preset high-low pulse pressure conversion sequence is sent from the ground to the underground water distributor, the underground water distributor performs relevant adjustment actions after recognizing the preset sequence, and corresponding data such as flow, pressure and temperature are returned, so that the purpose of intelligent dispensing is achieved.
The method and the device carry information through the duration of the pressure wave, solve the problem that the pressure wave needs to be frequently regulated in the existing coding mode, and can realize information transmission by only correlating the information with the duration.
The invention designs a single pressure wave code instruction according to the characteristics of information transmission, and the instruction consists of a start bit, a horizon, a functional bit, a data bit and an end bit. Each bit in the command needs to adjust one pressure change, namely each pressure wave code command can be completed by only 5 pressure adjustments. The method greatly reduces the pressure regulating times, avoids the time loss in the pressure rising and falling processes, and can obviously reduce the one-way communication duration of the pressure wave code.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic connection diagram of a pressure-controlled cable-free intelligent dispensing control device in an embodiment of the invention;
FIG. 2 is a schematic diagram of the ground controller and actuator connections in an embodiment of the present invention;
FIG. 3 is a pressure wave command format in an embodiment of the invention;
FIG. 4 is a diagram of duration information corresponding to a pressure wave command format in an embodiment of the present invention;
FIG. 5 is a flow chart of the operation of the intelligent water dispenser in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a related art intelligent water dispenser;
in the figure: a. a ground controller; b. an actuator; b1, an electric control regulating valve; b2, an electromagnetic flowmeter; b3, an inlet pressure sensor; b4, an outlet pressure sensor; b5, an automatic pressure relief valve; b6, a water storage; c. an intelligent water distributor; c1, upper joint; c2, a lower joint; c3, a numerical control water nozzle; c4, a central overflow pipeline; d. and (3) a packer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A voltage-controlled cable-free intelligent dispensing control method comprises the following steps:
inputting pressure waves with duration information to the underground intelligent water distributor c;
adjusting the opening of a numerical control water nozzle c3 of each layer of intelligent water distributors c according to the duration information of the pressure wave;
the method comprises the steps of collecting stratum injection information and using the stratum injection information to feedback control duration information coding of pressure waves. The time length information comprises a start bit, a horizon, a function bit, a data bit and an end bit time length, and the horizon information comprises horizon flow, pressure and temperature data; the functional position duration comprises instruction duration for setting the opening of a water nozzle of the water distributor, setting the injection allocation flow of the water distributor, checking the sealing function of the water injection well, reading the injection allocation flow of the water distributor and reading the pressure measurement data of the water distributor.
Referring to fig. 1, the method for inputting pressure waves with time duration information into a downhole intelligent water distributor c comprises the following steps: the ground controller a changes the pressure change in the oil pipe of the water injection well by controlling the actuator b, a pressure wave signal with duration information is input into the well bore to the intelligent water distributor c, and the packer d is used for separating the water injection layer.
Referring to fig. 2, the actuator b includes an electric control adjusting valve b1, an electromagnetic flowmeter b2, an inlet pressure sensor b3 and an outlet pressure sensor b4, wherein the electromagnetic flowmeter b2 and the inlet pressure sensor b3 are sequentially arranged at the water inlet end of the electric control adjusting valve b1, and the outlet pressure sensor b4 is arranged at the water outlet end of the electric control adjusting valve b 1.
The actuator b further comprises an automatic pressure release valve b5, an automatic pressure pump and a water storage b6, wherein the automatic pressure pump is connected to a water supply pipeline at the water inlet end of the electric control regulating valve b1, the automatic pressure release valve b5 is connected in parallel to a water outlet pipeline at the water outlet end of the electric control regulating valve b1, and the water storage b6 is used for storing water injected after the pressure release of the automatic pressure release valve b5 and supplying water to the automatic pressure pump.
The method for adjusting the opening degree of the numerical control water nozzle c3 of each layer of intelligent water distributor c according to the duration information of the pressure wave comprises the following steps: analyzing pressure waves with time length information of the corresponding layers through the receiver of each layer of water distributor, and controlling the opening degree of the numerical control water nozzle c3 according to different time length information so as to adjust water injection flow and pressure; preferably, the numerical control water nozzle c3 is a constant temperature numerical control water nozzle c3.
The method for acquiring pressure and flow information of the injection layer for controlling the duration information coding of the pressure wave comprises the following steps: the intelligent water distributor c is characterized in that two pressure sensors c1 are arranged in a numerical control water nozzle c3 to form a differential pressure flowmeter to calculate injection allocation, a control acquisition circuit board is used for processing underground water injection information, a pressure wave is formed through the numerical control water nozzle c3 and is fed back to a ground controller a, the ground controller a uploads the total flow, each layered flow, wellhead opening and temperature data to an upper computer in real time to be stored, and the upper computer encodes the pressure wave duration information according to the stored data by using a feedback control algorithm.
The underground intelligent water distributor c integrates the integrated numerical control water nozzle c3, the pressure fluctuation of a shaft is established through the switch of the numerical control water nozzle c3, the pressure fluctuation is transmitted to the ground from the underground, the ground controller a receives signals, analysis of monitoring data is completed, and effective transmission of data such as underground layered flow, layered pressure and the like to the ground is realized.
Specifically, as shown in fig. 6, the intelligent water distributor c is connected with the oil pipe through an upper connector c1 and a lower connector c2 and is put into a water injection well, as shown in fig. 5, the current working state is judged after equipment is initialized, and when no external trigger or internal instruction exists, the intelligent water distributor c is in a low-power consumption dormant state; otherwise, the intelligent water distributor c is in a working state, analyzes the time length information carried by the pressure wave issued by the ground controller a, extracts instructions from the information, and can also compare pressure temperature flow basic value data acquired by the internal numerical control water nozzle c3 with a threshold preset by a control unit in the intelligent water distributor c so as to issue instructions for adjusting the opening of the numerical control water nozzle c3, and meanwhile, the numerical control water nozzle c3 is opened and closed to form an underground pressure waveform to be sent to a pressure sensor for measuring of the ground controller a, so that underground data are wirelessly transmitted to the well. The wireless propagation mode can also be transmitted by means of sound waves.
Referring to fig. 6, when the water distributor works, the injection liquid firstly enters the water inlet of the numerical control water nozzle c3 through the central overflow pipeline c4, and then is injected into the corresponding injection allocation layer section through the water outlet of the numerical control water nozzle c3, so that the numerical control water nozzle c3 is different from the traditional water nozzle in the past, the opening degree of the water nozzle can be automatically regulated according to the change condition of underground flow, the water nozzle is not required to be salvaged to the ground for replacement, two built-in pressure sensors form a differential pressure flowmeter to calculate the injection allocation amount, the underground intelligent controller processes the information of the underground water injection amount, the injection allocation of each layer section is automatically realized by using a feedback control algorithm, the underground real-time detection and control are effectively realized, and the measurement and adjustment efficiency is greatly improved.
According to the use method, the pressure-controlled cable-free intelligent dispensing control device comprises an input control module, wherein the input control module is used for inputting pressure waves with duration information to an underground intelligent water distributor c;
the adjusting module is used for adjusting the opening of the numerical control water nozzle c3 of each layer of intelligent water distributor c according to the duration information of the pressure wave;
an acquisition module; the pressure and flow information for the acquisition and formation is used to control the duration information encoding of the pressure wave.
The input control module comprises an upper computer, an actuator b and a ground controller a, wherein the upper computer is used for sending an information coding command with pressure wave duration to the ground controller a, and the controller analyzes the coding command and controls the actuator b to code pressure waves according to the command; the adjusting module comprises a receiver and an automatic adjusting valve, the receiver is used for analyzing the coded pressure wave, and the automatic adjusting valve is used for adjusting the opening of the numerical control water nozzle c3 of the intelligent water distributor c; the acquisition module comprises two pressure sensors, a temperature sensor and a wireless communication module, wherein the temperature sensor and one of the pressure sensors are arranged at the water outlet end of the numerical control water nozzle c3, the other pressure sensor is arranged at the water inlet end of the numerical control water nozzle c3, the flow and the pressure data of the water injection layer are acquired through the two pressure sensors, the temperature data of the water injection layer are acquired through the temperature sensor, and the wireless communication module is used for transmitting the data to the ground controller a.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (10)
1. The voltage-controlled cable-free intelligent dispensing control method is characterized by comprising the following steps of:
inputting pressure waves with duration information to the underground intelligent water distributor (c);
adjusting the opening degree of a numerical control water nozzle (c 3) of each layer of intelligent water distributors (c) according to the duration information of the pressure wave;
the method comprises the steps of collecting stratum injection information and using the stratum injection information to feedback control duration information coding of pressure waves.
2. The method for intelligent voltage-controlled cable-less split-injection control according to claim 1, wherein the duration information comprises a start bit, a horizon, a function bit, a data bit and an end bit duration, and the injection information comprises injection flow, pressure and temperature data.
3. The pressure-controlled cable-less intelligent dispensing control method according to claim 2, wherein the functional bit duration comprises a command duration for setting the opening of a water nozzle of the water distributor, setting the dispensing flow of the water distributor, checking the sealing function of a water injection well, reading the dispensing flow of the water distributor and reading pressure measurement data of the water distributor.
4. The method for controlling intelligent pressure-controlled cable-less dispensing according to claim 1, wherein the method for inputting pressure waves with time duration information to the intelligent downhole water distributor (c) comprises the steps of: the ground controller (a) changes the pressure change in the oil pipe of the water injection well by controlling the actuator (b), and inputs pressure wave signals with duration information into the well bore to the intelligent water distributor (c).
5. The pressure-controlled cable-less intelligent dispensing control method according to claim 4, wherein the actuator (b) comprises an electric control regulating valve (b 1), an electromagnetic flowmeter (b 2), an inlet pressure sensor (b 3) and an outlet pressure sensor (b 4), the electromagnetic flowmeter (b 2) and the inlet pressure sensor (b 3) are sequentially arranged at the water inlet end of the electric control regulating valve (b 1), and the outlet pressure sensor (b 4) is arranged at the water outlet end of the electric control regulating valve (b 1).
6. The pressure-controlled cable-free intelligent dispensing control method according to claim 4, wherein the actuator (b) further comprises an automatic pressure release valve (b 5), an automatic pressure pump and a water storage device (b 6), the automatic pressure pump is connected to a water supply pipeline at the water inlet end of the electric control regulating valve (b 1), the automatic pressure release valve (b 5) is connected in parallel to a water outlet pipeline at the water outlet end of the electric control regulating valve (b 1), and the water storage device (b 6) is used for storing water injected after pressure release of the automatic pressure release valve (b 5) and supplying water to the automatic pressure pump.
7. The pressure-controlled cable-less intelligent dispensing control method according to claim 1, wherein the method for adjusting the opening degree of the numerical control water nozzle (c 3) of each layer of the intelligent water distributors (c) according to the duration information of the pressure wave comprises the following steps: analyzing pressure waves with the duration information of the corresponding layers through the receiver of each layer of water distributor, and controlling the opening degree of the numerical control water nozzle (c 3) according to different duration information so as to adjust the water injection flow and pressure; preferably, the numerical control water nozzle (c 3) is a constant temperature numerical control water nozzle (c 3).
8. The method for intelligent pressure-controlled cable-less dispensing control according to claim 1, wherein the method for acquiring pressure and flow information of the dispensing layer for controlling the encoding of the time length information of the pressure wave comprises the following steps: the intelligent water distributor (c) is characterized in that two pressure sensors are arranged in a numerical control water nozzle (c 3) to form a differential pressure flowmeter to calculate injection allocation, a control acquisition circuit board is used for processing underground water injection amount information, pressure waves are formed through the numerical control water nozzle (c 3) and fed back to a ground controller (a), the ground controller (a) uploads total flow, each layered flow, wellhead opening and temperature data to an upper computer in real time to be stored, and the upper computer encodes pressure wave duration information according to the stored data by using a feedback control algorithm.
9. A pressure-controlled cable-free intelligent dispensing control device is characterized in that,
the intelligent downhole water distributor comprises an input control module, a control module and a control module, wherein the input control module is used for inputting pressure waves with duration information to the intelligent downhole water distributor (c);
the adjusting module is used for adjusting the opening degree of the numerical control water nozzle (c 3) of each layer of intelligent water distributor (c) according to the duration information of the pressure wave;
an acquisition module; the pressure and flow information for the acquisition and formation is used to control the duration information encoding of the pressure wave.
10. The intelligent pressure-controlled cable-less dispensing control device of claim 9, wherein the input control module comprises an upper computer, an actuator (b) and a ground controller (a), wherein the upper computer is used for sending a pressure wave duration information coding command to the ground controller (a), and the controller analyzes the coding command and controls the actuator (b) to code the pressure wave according to the command; the adjusting module comprises a receiver and an automatic adjusting valve, the receiver is used for analyzing the coded pressure wave, and the automatic adjusting valve is used for adjusting the opening of the numerical control water nozzle (c 3) of the intelligent water distributor (c); the acquisition module comprises two pressure sensors, a temperature sensor and a wireless communication module, wherein the temperature sensor and one of the pressure sensors are arranged at the water outlet end of the numerical control water nozzle (c 3), the other pressure sensor is arranged at the water inlet end of the numerical control water nozzle (c 3), the flow and pressure data of the water injection layer are acquired through the two pressure sensors, the temperature data of the water injection layer are acquired through the temperature sensor, and the wireless communication module is used for transmitting the acquired data to the ground controller (a).
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| CN202311526737.2A CN117365408A (en) | 2023-11-15 | 2023-11-15 | Pressure-controlled cable-free intelligent dispensing control method and device |
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| CN202311526737.2A CN117365408A (en) | 2023-11-15 | 2023-11-15 | Pressure-controlled cable-free intelligent dispensing control method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118014312A (en) * | 2024-04-08 | 2024-05-10 | 西安思坦仪器股份有限公司 | Effective allocation method for underground layered flow of intelligent wave code separate injection well |
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| US20150009039A1 (en) * | 2012-02-21 | 2015-01-08 | Tendeka B.V. | Wireless communication |
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| CN116752935A (en) * | 2023-08-23 | 2023-09-15 | 西安洛科电子科技股份有限公司 | Ground control device for high-speed pulse communication and regulation and control method thereof |
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