CN113323639A - Infrasonic wave regulation and control module, ground control device and underground intelligent water distributor - Google Patents
Infrasonic wave regulation and control module, ground control device and underground intelligent water distributor Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 230000006854 communication Effects 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 57
- 239000003990 capacitor Substances 0.000 claims description 76
- 238000002347 injection Methods 0.000 claims description 44
- 239000007924 injection Substances 0.000 claims description 44
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 238000013500 data storage Methods 0.000 claims description 15
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- 230000003321 amplification Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
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- 230000005540 biological transmission Effects 0.000 abstract description 12
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses an infrasonic wave regulation and control module, a ground control device and an underground intelligent water distributor, wherein the infrasonic wave regulation and control module comprises an infrasonic wave encoder, an infrasonic wave decoder, a data processing control end, a flow control unit, a data acquisition unit and a power supply system; the data processing control end is respectively connected with the infrasonic wave encoder, the infrasonic wave decoder, the flow control unit and the data acquisition unit through an internal bus, and the power supply system is connected with the data processing control end and used for providing a power supply. The invention adopts the infrasonic wave communication technology to realize real-time wireless bidirectional rapid communication, the transmission rate is far higher than the current commonly used flow wave and pressure wave communication mode, the transmission is stable and reliable, the transmission distance is far, the system power consumption is low, the service life is long, and the data real-time performance is strong.
Description
Technical Field
The invention belongs to the technical field of oilfield development, and particularly relates to an infrasonic wave regulation and control module, a ground control device and an underground intelligent water distributor.
Background
Sound waves with a frequency less than 20Hz (hertz) are called infrasonic waves. Infrasonic waves are not easy to attenuate and are not easy to be absorbed by water and air, the wavelength of the infrasonic waves is very long, the propagation distance is very long, infrasonic wave frequency suitable for underground water injection transmission is found through experiments in the range of the infrasonic waves larger than 0HZ and smaller than 20HZ, the characteristics of concealment, penetrability, long distance, low energy consumption and the like of the infrasonic waves are fully utilized, and the infrasonic wave frequency control layered water injection system is applied to a water injection well control layered water injection system and is very beneficial.
The current commonly used regulation and control layered water injection system is a cable intelligent separate injection system and a wave code communication intelligent separate injection system. The cabled intelligent separate injection system adopts wired cables to carry out transmission communication between the ground controller and the underground water distributor, and has the advantages of high transmission rate and strong data real-time performance, but the cabled intelligent separate injection system has complex process, high cost, difficult construction, difficult equipment maintenance and no operation under pressure; the wave code communication intelligent separate injection system adopts pressure waves and flow waves to carry out wireless two-way communication between the ground controller and the underground water distributor, so that uploading and analysis of various data of an oil and gas production field and transmission of underground control instructions from the ground are realized. The method has the advantages of simple construction, wireless communication and operation with pressure; but the influence of stratum characteristics is large, the transmission efficiency is low (the average time for collecting 1 data point is 2 hours), the energy consumption is high, the data real-time performance is poor, the allocation operation process is complex, and the communication process can influence normal water injection to cause stratum pressure fluctuation.
Disclosure of Invention
In view of the above, the present invention provides an infrasonic wave control module, a ground control device, and an underground intelligent water distributor.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides an infrasonic wave regulation and control module which comprises an infrasonic wave encoder, an infrasonic wave decoder, a data processing control end, a flow control unit, a data acquisition unit and a power supply system, wherein the infrasonic wave encoder is connected with the infrasonic wave decoder; the data processing control end is respectively connected with the infrasonic wave encoder, the infrasonic wave decoder, the flow control unit and the data acquisition unit through an internal bus, and the power supply system is connected with the data processing control end and used for providing a power supply.
In the above scheme, the power supply system further comprises a remote communication unit and a display module, and the power supply system is respectively connected with the remote communication unit and the display module and used for providing power.
In the above scheme, the infrasonic wave encoder includes an infrasonic wave generating module, a first power module, a first electric/acoustic conversion module, and a first communication module; the first communication module is sequentially connected with the first electric/acoustic conversion module and the infrasonic wave generation module, the first power supply module is connected with the first communication module, and the first communication module is connected with the data processing control end.
In the above scheme, the infrasonic wave decoder includes an infrasonic wave acquisition module, a filtering module, a signal amplification module, a second sound/electricity conversion module, a second power module and a second communication module; the infrasonic wave acquisition module is sequentially connected with a second sound/electricity conversion module, a filtering module and a signal amplification module, and the second communication module is respectively connected with a second communication module and a data processing control end.
In the above scheme, the data processing control terminal includes a processor, a data processing module, a data storage module, a third communication module and a third power module; the processor is respectively connected with the data processing module, the data storage module, the third communication module and the third power module, and the third power module is also respectively connected with the data storage module and the third communication module.
In the above solution, the flow control unit 104 includes a digital-to-analog converter U4, a twelfth capacitor C12 to an eighteenth capacitor C18, a first adjustable resistor RK1, a second adjustable resistor RK2, a fourth resistor R4 to an eighth resistor R8, and an interface P3, the 2 nd and 5 th ends of the digital-to-analog converter U4 are commonly connected to the twelfth capacitor C12 and the thirteenth capacitor C13 in parallel and grounded, the 4 th and 11 th ends are sequentially and commonly connected to the second adjustable resistor RK2 and then connected to the 14 th end, the 7 th, 8 th, 9 th and 10 th ends are respectively connected to +3.3V through the eighth resistor R8, the seventh resistor R7, the sixth resistor R6 and the fifth resistor R5, the 15 th end is connected to the space between the 1 st end and the second adjustable resistor RK2 through the first adjustable resistor RK1, the 16 th end is connected to the second adjustable resistor RK2, the 18 th end of the interface P3 is connected to the 1 st end, the fourteenth resistor RK 19 is connected to the fourteenth capacitor C17 and the fourteenth capacitor R828653 in parallel and the fourteenth capacitor R17, the 21 st end is connected with the side of a fourth resistor R4 through a sixteenth capacitor C16, the 23 st end is connected with the side of a fourth resistor R4, the 2 nd end of the interface P3 is grounded, and an eighteenth capacitor C18 is connected between the 1 st end and the 2 nd end in parallel.
In the above solution, the data acquisition unit 105 includes a first comparator U2A, a second comparator U2B, a sixth resistor R6, a ninth resistor R9, a seventh capacitor C7, a fourteenth capacitor C14, a sixteenth capacitor C16, a high-precision a/D conversion chip U4, a first pressure sensor NY, and a second pressure sensor WY, wherein 9 th and 10 th ends of the high-precision a/D conversion chip U4 are respectively connected to the 3 rd and 4 th ends of the first pressure sensor NY, a seventh capacitor C7 is connected in parallel between the two ends, 11 th and 12 th ends are respectively connected to the 3 rd and 4 th ends of the second pressure sensor WY, a fourteenth capacitor C14 is connected in parallel between the two ends, the 2 nd end is connected to an analog ground through a sixteenth capacitor C16, the 1 st end of the first pressure sensor NY is connected to the 1 st end of the first comparator U2A, the 2 nd end is connected to the analog ground through a sixth resistor R6, and the second end of the second comparator w 2B of the second pressure sensor WY, the 2 nd end is connected to the analog ground through a ninth resistor R9, the 2 nd end of the first comparator U2A is connected to the sixth resistor R6 side, the 3 rd end is connected to the 5 th end of the second comparator U2B, and the 6 th end of the second comparator U2B is connected to the ninth resistor R9 side.
In the scheme, the data processing control end 203 of the underground intelligent water distributor 2 processes the data of the water injection flow, the formation pressure, the pressure in the pipe, the water injection temperature and the water nozzle opening degree, sends the data to the infrasonic wave encoder 201 of the underground intelligent water distributor 2, encodes the data through the infrasonic wave encoder 201, and sends an infrasonic wave signal to the ground control device 1.
The embodiment of the invention also provides a ground control device for separated layer water injection, which comprises the infrasonic wave regulation and control module in any one of the schemes.
The embodiment of the invention also provides an underground intelligent water distributor for layered water injection, which comprises the infrasonic wave regulation and control module in any one of the schemes.
Compared with the prior art, the invention adopts the infrasonic wave communication technology to realize real-time wireless bidirectional rapid communication, the transmission rate is far higher than the current commonly used flow wave and pressure wave communication mode, the transmission is stable and reliable, the transmission distance is far, the system power consumption is low, the service life is long, and the data real-time performance is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of an infrasonic wave regulation module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an infrasonic encoder module in an infrasonic wave regulation module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an infrasonic wave decoder module in an infrasonic wave regulation module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a data processing control terminal in an infrasonic wave control module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a flow control unit in an infrasonic wave regulation module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a data acquisition unit in an infrasonic wave control module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a downhole intelligent water distributor for stratified injection according to an embodiment of the invention;
FIG. 8 is a schematic diagram illustrating an example of a surface-to-downhole infrasonic wave code in a surface control device and an intelligent downhole water distributor in a regulated stratified water injection system using infrasonic waves in accordance with an embodiment of the present invention;
fig. 9 provides an example of coding of infrasonic waves from downhole to surface in a surface control device and a downhole intelligent water distributor in a regulated stratified water injection system using infrasonic waves according to an embodiment of the present invention.
Detailed Description
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.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", 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 devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the terms describing the positional relationships in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The embodiment of the invention provides an infrasonic wave regulation and control module, as shown in fig. 1-6, the infrasonic wave regulation and control module comprises an infrasonic wave encoder 101, an infrasonic wave decoder 102, a data processing control end 103, a flow control unit 104, a data acquisition unit 105 and a power supply system 107; the data processing control terminal 103 is respectively connected with the infrasonic wave encoder 101, the infrasonic wave decoder 102, the flow control unit 104, the data acquisition unit 105, the remote communication unit 106 and the display module 108 through an internal bus, and the power supply system 107 is connected with the data processing control terminal 103 for supplying power.
The flow control unit 104 comprises a digital-to-analog converter U4, a twelfth capacitor C12 to an eighteenth capacitor C18, a first adjustable resistor RK1, a second adjustable resistor RK2, a fourth resistor R4 to an eighth resistor R8, and an interface P3, wherein the 2 nd and 5 th ends of the digital-to-analog converter U4 are connected in parallel with the twelfth capacitor C12 and the thirteenth capacitor C13 and are grounded, the 4 th and 11 th ends are connected in sequence with the second adjustable resistor RK2 and then connected to the 14 th end, the 7 th, 8 th, 9 th and 10 th ends are connected in parallel with the +3.3V through the eighth resistor R8, the seventh resistor R7, the sixth resistor R6 and the fifth resistor R5, the 15 th end is connected between the 1 st end and the second adjustable resistor RK2 through the first adjustable resistor RK1, the 16 th end is connected to the second adjustable resistor RK2, the 18 th end is connected to the 1 st end of the interface P3, the 19 th end is connected in parallel with the fourteenth capacitor R2 nd, the fourteenth capacitor R8656 and the fourteenth capacitor R8653 and the fourteenth resistor R82 17, the 21 st end is connected with the side of a fourth resistor R4 through a sixteenth capacitor C16, the 23 st end is connected with the side of a fourth resistor R4, the 2 nd end of the interface P3 is grounded, and an eighteenth capacitor C18 is connected between the 1 st end and the 2 nd end in parallel.
The data acquisition unit 105 comprises a first comparator U2A, a second comparator U2B, a sixth resistor R6, a ninth resistor R9, a seventh capacitor C7, a fourteenth capacitor C14, a sixteenth capacitor C16, a high-precision a/D conversion chip U4, a first pressure sensor NY, and a second pressure sensor WY, wherein the 9 th and 10 th ends of the high-precision a/D conversion chip U4 are respectively connected with the 3 rd and 4 th ends of the first pressure sensor NY, a seventh capacitor C7 is connected between the two ends in parallel, the 11 th and 12 th ends are respectively connected with the 3 rd and 4 th ends of the second pressure sensor WY, a fourteenth capacitor C14 is connected between the two ends in parallel, the 2 nd end is connected to an analog ground through the sixteenth capacitor C16, the 1 st end of the first pressure sensor NY is connected with the 1 st end of the first comparator U2A, the 2 nd end is connected to the analog ground through the sixth resistor R6, the second end of the second comparator w7 of the second pressure sensor WY 84 is connected to the analog ground, the 2 nd end is connected to the analog ground through a ninth resistor R9, the 2 nd end of the first comparator U2A is connected to the sixth resistor R6 side, the 3 rd end is connected to the 5 th end of the second comparator U2B, and the 6 th end of the second comparator U2B is connected to the ninth resistor R9 side.
First pressure sensor NY is used for measuring interior pressure, second pressure sensor WY is used for measuring external pressure, and pressure sensor adopts the constant current power supply technique, compares current constant voltage power supply, and pressure sensor output signal is more stable, and is anti-interference strong, and high accuracy AD conversion chip U4 chooses AD7794 chip for use, 24 bit ADC, and 6 passageway simultaneous acquisition, compares 16 bit ADC data acquisition chip resolution ratio commonly used and has improved a lot, can effectual accurate analytic infrasonic signal, has improved product reliability.
The data processing control end is communicated with the flow control unit through the SPI bus, sends a regulating valve opening control command to the flow control unit, and the flow control unit converts the command into a corresponding current signal after receiving the command and outputs the current signal to the electric actuator so as to control the regulation of the opening of the regulating valve.
The system further comprises a remote communication unit 106 and a display module 108, wherein the power supply system 107 is respectively connected with the remote communication unit 106 and the display module 108 for supplying power.
The infrasonic wave encoder 101 comprises an infrasonic wave generating module, a first power supply module, a first electric/acoustic conversion module and a first communication module; the first communication module is sequentially connected with the first electric/acoustic conversion module and the infrasonic wave generation module, the first power supply module is connected with the first communication module, and the first communication module is connected with the data processing control end 103.
The infrasonic wave decoder 102 comprises an infrasonic wave acquisition module, a filtering module, a signal amplification module, a second sound/electricity conversion module, a second power supply module and a second communication module; the infrasonic wave acquisition module is sequentially connected with a second sound/electricity conversion module, a filtering module and a signal amplification module, and the second communication module is respectively connected with the second communication module and the data processing control terminal 103.
The data processing control terminal 103 comprises a processor, a data processing module, a data storage module, a third communication module and a third power module; the processor is respectively connected with the data processing module, the data storage module, the third communication module and the third power module, and the third power module is also respectively connected with the data storage module and the third communication module.
The data acquisition unit 105 is used for acquiring water injection pressure, water injection flow, water injection temperature and the opening degree of a flow regulating valve.
And the device is also used for collecting the formation pressure, the water injection flow, the water injection temperature, the water nozzle opening and the pressure in the pipe.
The data processing control end 103 processes data of water injection flow, formation pressure, pressure in the pipe, water injection temperature and water nozzle opening, sends the data to the infrasonic wave encoder 101 of the underground intelligent water distributor 2, encodes the data through the infrasonic wave encoder 101, and sends an infrasonic wave signal to the ground control device 1.
The embodiment of the invention also provides a ground control device for the separated layer water injection, which comprises an infrasonic wave regulation and control module.
The infrasonic wave regulation and control module comprises an infrasonic wave encoder 101, an infrasonic wave decoder 102, a data processing control end 103, a flow control unit 104, a data acquisition unit 105 and a power supply system 107; the data processing control terminal 103 is respectively connected with the infrasonic wave encoder 101, the infrasonic wave decoder 102, the flow control unit 104, the data acquisition unit 105, the remote communication unit 106 and the display module 108 through an internal bus, and the power supply system 107 is connected with the data processing control terminal 103 for supplying power.
The flow control unit 104 comprises a digital-to-analog converter U4, a twelfth capacitor C12 to an eighteenth capacitor C18, a first adjustable resistor RK1, a second adjustable resistor RK2, a fourth resistor R4 to an eighth resistor R8, and an interface P3, wherein the 2 nd and 5 th ends of the digital-to-analog converter U4 are connected in parallel with the twelfth capacitor C12 and the thirteenth capacitor C13 and are grounded, the 4 th and 11 th ends are connected in sequence with the second adjustable resistor RK2 and then connected to the 14 th end, the 7 th, 8 th, 9 th and 10 th ends are connected in parallel with the +3.3V through the eighth resistor R8, the seventh resistor R7, the sixth resistor R6 and the fifth resistor R5, the 15 th end is connected between the 1 st end and the second adjustable resistor RK2 through the first adjustable resistor RK1, the 16 th end is connected to the second adjustable resistor RK2, the 18 th end is connected to the 1 st end of the interface P3, the 19 th end is connected in parallel with the fourteenth capacitor R2 nd, the fourteenth capacitor R8656 and the fourteenth capacitor R8653 and the fourteenth resistor R82 17, the 21 st end is connected with the side of a fourth resistor R4 through a sixteenth capacitor C16, the 23 st end is connected with the side of a fourth resistor R4, the 2 nd end of the interface P3 is grounded, and an eighteenth capacitor C18 is connected between the 1 st end and the 2 nd end in parallel.
The data acquisition unit 105 comprises a first comparator U2A, a second comparator U2B, a sixth resistor R6, a ninth resistor R9, a seventh capacitor C7, a fourteenth capacitor C14, a sixteenth capacitor C16, a high-precision a/D conversion chip U4, a first pressure sensor NY, and a second pressure sensor WY, wherein the 9 th and 10 th ends of the high-precision a/D conversion chip U4 are respectively connected with the 3 rd and 4 th ends of the first pressure sensor NY, a seventh capacitor C7 is connected between the two ends in parallel, the 11 th and 12 th ends are respectively connected with the 3 rd and 4 th ends of the second pressure sensor WY, a fourteenth capacitor C14 is connected between the two ends in parallel, the 2 nd end is connected to an analog ground through the sixteenth capacitor C16, the 1 st end of the first pressure sensor NY is connected with the 1 st end of the first comparator U2A, the 2 nd end is connected to the analog ground through the sixth resistor R6, the second end of the second comparator w7 of the second pressure sensor WY 84 is connected to the analog ground, the 2 nd end is connected to the analog ground through a ninth resistor R9, the 2 nd end of the first comparator U2A is connected to the sixth resistor R6 side, the 3 rd end is connected to the 5 th end of the second comparator U2B, and the 6 th end of the second comparator U2B is connected to the ninth resistor R9 side.
First pressure sensor NY is used for measuring interior pressure, second pressure sensor WY is used for measuring external pressure, and pressure sensor adopts the constant current power supply technique, compares current constant voltage power supply, and pressure sensor output signal is more stable, and is anti-interference strong, and high accuracy AD conversion chip U4 chooses AD7794 chip for use, 24 bit ADC, and 6 passageway simultaneous acquisition, compares 16 bit ADC data acquisition chip resolution ratio commonly used and has improved a lot, can effectual accurate analytic infrasonic signal, has improved product reliability.
The data processing control end is communicated with the flow control unit through the SPI bus, sends a regulating valve opening control command to the flow control unit, and the flow control unit converts the command into a corresponding current signal after receiving the command and outputs the current signal to the electric actuator so as to control the regulation of the opening of the regulating valve.
The system further comprises a remote communication unit 106 and a display module 108, wherein the power supply system 107 is respectively connected with the remote communication unit 106 and the display module 108 for supplying power.
The infrasonic wave encoder 101 comprises an infrasonic wave generating module, a first power supply module, a first electric/acoustic conversion module and a first communication module; the first communication module is sequentially connected with the first electric/acoustic conversion module and the infrasonic wave generation module, the first power supply module is connected with the first communication module, and the first communication module is connected with the data processing control end 103.
The infrasonic wave decoder 102 comprises an infrasonic wave acquisition module, a filtering module, a signal amplification module, a second sound/electricity conversion module, a second power supply module and a second communication module; the infrasonic wave acquisition module is sequentially connected with a second sound/electricity conversion module, a filtering module and a signal amplification module, and the second communication module is respectively connected with the second communication module and the data processing control terminal 103.
The data processing control terminal 103 comprises a processor, a data processing module, a data storage module, a third communication module and a third power module; the processor is respectively connected with the data processing module, the data storage module, the third communication module and the third power module, and the third power module is also respectively connected with the data storage module and the third communication module.
The data acquisition unit 105 is used for acquiring water injection pressure, water injection flow, water injection temperature and the opening degree of a flow regulating valve.
And the device is also used for collecting the formation pressure, the water injection flow, the water injection temperature, the water nozzle opening and the pressure in the pipe.
The embodiment of the invention also provides an underground intelligent water distributor for layered water injection, which comprises an infrasonic wave regulation and control module as shown in fig. 7.
The infrasonic wave regulation and control module comprises an infrasonic wave encoder 101, an infrasonic wave decoder 102, a data processing control end 103, a flow control unit 104, a data acquisition unit 105 and a power supply system 107; the data processing control terminal 103 is connected with the infrasonic wave encoder 101, the infrasonic wave decoder 102, the flow control unit 104 and the data acquisition unit 105 through an internal bus, and the power supply system 107 is connected with the data processing control terminal 103 for supplying power.
The flow control unit 104 comprises a digital-to-analog converter U4, a twelfth capacitor C12 to an eighteenth capacitor C18, a first adjustable resistor RK1, a second adjustable resistor RK2, a fourth resistor R4 to an eighth resistor R8, and an interface P3, wherein the 2 nd and 5 th ends of the digital-to-analog converter U4 are connected in parallel with the twelfth capacitor C12 and the thirteenth capacitor C13 and are grounded, the 4 th and 11 th ends are connected in sequence with the second adjustable resistor RK2 and then connected to the 14 th end, the 7 th, 8 th, 9 th and 10 th ends are connected in parallel with the +3.3V through the eighth resistor R8, the seventh resistor R7, the sixth resistor R6 and the fifth resistor R5, the 15 th end is connected between the 1 st end and the second adjustable resistor RK2 through the first adjustable resistor RK1, the 16 th end is connected to the second adjustable resistor RK2, the 18 th end is connected to the 1 st end of the interface P3, the 19 th end is connected in parallel with the fourteenth capacitor R2 nd, the fourteenth capacitor R8656 and the fourteenth capacitor R8653 and the fourteenth resistor R82 17, the 21 st end is connected with the side of a fourth resistor R4 through a sixteenth capacitor C16, the 23 st end is connected with the side of a fourth resistor R4, the 2 nd end of the interface P3 is grounded, and an eighteenth capacitor C18 is connected between the 1 st end and the 2 nd end in parallel.
The data acquisition unit 105 comprises a first comparator U2A, a second comparator U2B, a sixth resistor R6, a ninth resistor R9, a seventh capacitor C7, a fourteenth capacitor C14, a sixteenth capacitor C16, a high-precision a/D conversion chip U4, a first pressure sensor NY, and a second pressure sensor WY, wherein the 9 th and 10 th ends of the high-precision a/D conversion chip U4 are respectively connected with the 3 rd and 4 th ends of the first pressure sensor NY, a seventh capacitor C7 is connected between the two ends in parallel, the 11 th and 12 th ends are respectively connected with the 3 rd and 4 th ends of the second pressure sensor WY, a fourteenth capacitor C14 is connected between the two ends in parallel, the 2 nd end is connected to an analog ground through the sixteenth capacitor C16, the 1 st end of the first pressure sensor NY is connected with the 1 st end of the first comparator U2A, the 2 nd end is connected to the analog ground through the sixth resistor R6, the second end of the second comparator w7 of the second pressure sensor WY 84 is connected to the analog ground, the 2 nd end is connected to the analog ground through a ninth resistor R9, the 2 nd end of the first comparator U2A is connected to the sixth resistor R6 side, the 3 rd end is connected to the 5 th end of the second comparator U2B, and the 6 th end of the second comparator U2B is connected to the ninth resistor R9 side.
First pressure sensor NY is used for measuring interior pressure, second pressure sensor WY is used for measuring external pressure, and pressure sensor adopts the constant current power supply technique, compares current constant voltage power supply, and pressure sensor output signal is more stable, and is anti-interference strong, and high accuracy AD conversion chip U4 chooses AD7794 chip for use, 24 bit ADC, and 6 passageway simultaneous acquisition, compares 16 bit ADC data acquisition chip resolution ratio commonly used and has improved a lot, can effectual accurate analytic infrasonic signal, has improved product reliability.
The data processing control end is communicated with the flow control unit through the SPI bus, sends a regulating valve opening control command to the flow control unit, and the flow control unit converts the command into a corresponding current signal after receiving the command and outputs the current signal to the electric actuator so as to control the regulation of the opening of the regulating valve.
The infrasonic wave encoder 101 comprises an infrasonic wave generating module, a first power supply module, a first electric/acoustic conversion module and a first communication module; the first communication module is sequentially connected with the first electric/acoustic conversion module and the infrasonic wave generation module, the first power supply module is connected with the first communication module, and the first communication module is connected with the data processing control end 103.
The infrasonic wave decoder 102 comprises an infrasonic wave acquisition module, a filtering module, a signal amplification module, a second sound/electricity conversion module, a second power supply module and a second communication module; the infrasonic wave acquisition module is sequentially connected with a second sound/electricity conversion module, a filtering module and a signal amplification module, and the second communication module is respectively connected with the second communication module and the data processing control terminal 103.
The data processing control terminal 103 comprises a processor, a data processing module, a data storage module, a third communication module and a third power module; the processor is respectively connected with the data processing module, the data storage module, the third communication module and the third power module, and the third power module is also respectively connected with the data storage module and the third communication module.
The data acquisition unit 105 is used for acquiring water injection pressure, water injection flow, water injection temperature and the opening degree of a flow regulating valve.
And the device is also used for collecting the formation pressure, the water injection flow, the water injection temperature, the water nozzle opening and the pressure in the pipe.
The ground control device is correspondingly and wirelessly connected with the underground intelligent water distributor.
The working process of the invention is as follows:
the data processing control end 103 of the ground control device receives the instruction through the remote communication unit 106, analyzes and sends the instruction to the infrasonic wave encoder 101, and the infrasonic wave encoder 101 encodes the instruction sent to the underground intelligent water distributor and then transmits a digital infrasonic wave signal to the underground intelligent water distributor. The remote communication unit 106 is connected with the data processing control terminal 103 through an RS485 bus; the infrasonic encoder 101 and the data processing control terminal 103 are connected by an SPI bus.
The underground intelligent water distributor 2 monitors digital infrasonic signals sent by the ground control device 1 through the infrasonic decoder 102, analyzes the received digital infrasonic signals through the data processing control end 103, and finally sends instructions to the flow control unit 104 to adjust the opening degree of the water nozzle of the underground intelligent water distributor 2, so that the underground layered water injection flow adjustment is realized.
The data processing control end 103 of the underground intelligent water distributor receives an underground data reading instruction from the ground control device 1, the data processing control end 103 processes the underground water injection flow, the formation pressure, the pipe pressure, the water nozzle opening degree, the water injection temperature and other data acquired by the data acquisition unit 105, then sends the data to the infrasonic wave encoder 101, encodes the data through the infrasonic wave encoder 101, and sends an infrasonic wave signal to the ground control device.
An infrasonic wave decoder 102 of the ground control device monitors infrasonic wave signals sent by the underground intelligent water distributor in real time, the infrasonic wave signals are analyzed through a data processing control end 103, and then an underground layered flow value, a formation pressure value, an in-pipe pressure value, a layered underground water distributor water nozzle opening value and an underground temperature value are displayed to workers through a remote communication unit 106 and a display module 108.
The infrasonic wave signal is a combination of an infrasonic wave fixed emission time T representing a high state representing "1" and an infrasonic wave fixed stop time T representing a low state representing "0" and is set as a square wave signal. The infrasonic wave decoder demodulates the infrasonic wave signal by using an incoherent demodulation technology.
The code of the ground control device 1 to the underground intelligent water distributor is shown in figure 8 and comprises a wake-up code, an equipment address code, a data code and a check code; the awakening code is S, represents the duration length of the infrasonic wave signal and is larger than the sleeping interval of the underground intelligent water distributor, when the underground intelligent water distributor monitors the infrasonic wave signal, the underground intelligent water distributor is awakened to enter a real-time dynamic monitoring mode, and a waiting time N is reserved between the awakening code and the equipment address code, so that the underground intelligent water distributor can correctly and completely receive the instruction of the ground control device; the device address code consists of a 3-bit binary code, totaling 23The device addresses of the water distributors from the first layer to the eighth layer are respectively expressed as 8 types; the data code consists of 8-bit binary code, and has a total of 28256 instructions are transmitted according to different numbers; the check code adopts binary even check; referring to fig. 8, the equipment address code is 100, the indication is 4, the data code is 10001011, and the indication is 139, so that the information transmitted to the downhole intelligent water distributor 2 by the surface control device is the fourth layer downhole intelligent water distributor executing 139 instruction.
The underground intelligent water distributor faces the groundThe code of the surface control device is shown in fig. 9 and comprises a start code, an equipment address code, a data code and a check code, wherein the start code is represented by 2 high and 1 low; the device address code consists of a 3-bit binary code, totaling 23The device addresses of the water distributors from the first layer to the eighth layer are respectively expressed as 8 types; the data code consists of a 10-bit binary code, totaling 2101024 numbers, namely 3-bit effective numbers of underground data transmission, namely ten bits, one bit and decimal bits; the check code adopts binary even check; referring to fig. 9, the equipment address code is 100, the data code is 1000101101, the data code is 557, and therefore, the information that the downhole intelligent water distributor transmits to the surface control device is that the layered flow rate of the fourth layer of downhole intelligent water distributors is 55.7 square/day.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. An infrasonic wave regulation and control module is characterized by comprising an infrasonic wave encoder, an infrasonic wave decoder, a data processing control end, a flow control unit, a data acquisition unit and a power supply system; the data processing control end is respectively connected with the infrasonic wave encoder, the infrasonic wave decoder, the flow control unit and the data acquisition unit through an internal bus, and the power supply system is connected with the data processing control end and used for providing a power supply.
2. The infrasonic wave conditioning module of claim 1, further comprising a remote communication unit and a display module, wherein the power supply system is connected to the remote communication unit and the display module respectively for providing power.
3. The infrasonic wave conditioning module of claim 1 or 2, wherein the infrasonic wave encoder comprises an infrasonic wave generating module, a first power module, a first electrical/acoustic conversion module, and a first communication module; the first communication module is sequentially connected with the first electric/acoustic conversion module and the infrasonic wave generation module, the first power supply module is connected with the first communication module, and the first communication module is connected with the data processing control end.
4. The infrasonic wave conditioning module of claim 3, wherein the infrasonic wave decoder comprises an infrasonic wave acquisition module, a filtering module, a signal amplification module, a second sound/electricity conversion module, a second power module, and a second communication module; the infrasonic wave acquisition module is sequentially connected with a second sound/electricity conversion module, a filtering module and a signal amplification module, and the second communication module is respectively connected with a second communication module and a data processing control end.
5. The infrasonic wave conditioning module of claim 4, wherein the data processing control terminal comprises a processor, a data processing module, a data storage module, a third communication module, and a third power module; the processor is respectively connected with the data processing module, the data storage module, the third communication module and the third power module, and the third power module is also respectively connected with the data storage module and the third communication module.
6. The infrasonic wave regulation module of claim 5, wherein the flow control unit 104 comprises a digital-to-analog converter U4, a twelfth capacitor C12 to an eighteenth capacitor C18, a first adjustable resistor RK1, a second adjustable resistor RK2, a fourth resistor R4 to an eighth resistor R8, and an interface P3, wherein the 2 nd and 5 th ends of the digital-to-analog converter U4 are commonly connected with the twelfth capacitor C12 and the thirteenth capacitor C13 in parallel and grounded, the 4 th and 11 th ends are sequentially and commonly connected with the second adjustable resistor RK2 and then connected with the 14 th end, the 7 th, 8 th, 9 th and 10 th ends are respectively connected with the eighth resistor R8, the seventh resistor R7, the sixth resistor R6, the fifth resistor R5 and +3.3V, the 15 th end is connected with the first adjustable resistor RK1 and between the 1 st end and the second adjustable resistor RK2, the 16 th end is connected with the second adjustable resistor RK2, the fourth adjustable resistor RK 18 is connected with the fourteenth capacitor RK 5819 and the fourteenth resistor RK 57323 in parallel and the fourteenth capacitor RK 4, the 20 th end is connected with the fourth resistor R4 side through a seventeenth capacitor C17, the 21 st end is connected with the fourth resistor R4 side through a sixteenth capacitor C16, the 23 th end is connected with the fourth resistor R4 side, the 2 nd end of the interface P3 is grounded, and an eighteenth capacitor C18 is connected between the 1 st end and the 2 nd end in parallel.
7. The infrasonic wave control module of claim 6, wherein the data acquisition unit 105 includes a first comparator U2A, a second comparator U2B, a sixth resistor R6, a ninth resistor R9, a seventh capacitor C7, a fourteenth capacitor C14, a sixteenth capacitor C16, a high-precision A/D conversion chip U4, a first pressure sensor NY, and a second pressure sensor WY, wherein the 9 th and 10 th terminals of the high-precision A/D conversion chip U4 are respectively connected with the 3 rd and 4 th terminals of the first pressure sensor NY, and the seventh capacitor C7 is connected between the two terminals in parallel, the 11 th and 12 th terminals are respectively connected with the 3 rd and 4 th terminals of the second pressure sensor WY, and the fourteenth capacitor C14 is connected between the two terminals in parallel, the 2 nd terminal is connected to an analog ground through the sixteenth capacitor C16, the 1 st terminal of the first pressure sensor NY is connected with the 1 st terminal of the first comparator U2A, and the sixth terminal of the sixth capacitor R6 is connected to an analog ground through the resistor R6, the 1 st end of the second pressure sensor WY is connected with the 7 th end of a second comparator U2B, the 2 nd end is connected with the analog ground through a ninth resistor R9, the 2 nd end of the first comparator U2A is connected with the sixth resistor R6 side, the 3 rd end is connected with the 5 th end of the second comparator U2B, and the 6 th end of the second comparator U2B is connected with the ninth resistor R9 side.
8. The infrasonic wave regulation and control module of claim 7, wherein the data processing control end 203 of the downhole intelligent water distributor 2 processes the data of the water injection flow, the formation pressure, the pressure in the pipe, the water injection temperature and the water nozzle opening degree, sends the processed data to the infrasonic wave encoder 201 of the downhole intelligent water distributor 2, and sends an infrasonic wave signal to the ground control device 1 through encoding by the infrasonic wave encoder 201.
9. A ground control device for separated layer water injection, characterized in that the ground control device comprises the infrasonic wave control module of any one of claims 1-8.
10. An intelligent downhole water distributor for zonal injection, comprising the infrasonic wave regulation module of any of claims 1-8.
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