CN201050359Y - Oil production well liquid level continuous tester - Google Patents
Oil production well liquid level continuous tester Download PDFInfo
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- CN201050359Y CN201050359Y CNU2006201232399U CN200620123239U CN201050359Y CN 201050359 Y CN201050359 Y CN 201050359Y CN U2006201232399 U CNU2006201232399 U CN U2006201232399U CN 200620123239 U CN200620123239 U CN 200620123239U CN 201050359 Y CN201050359 Y CN 201050359Y
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Abstract
A continuous tester of liquid level of mining wells is primarily to resolve the inaccurate, time-consuming and laborious problems in the prior instrument measure, which is characterized in that the main frame is composed of a power input management module disposed inside the shell of the equipment, a CPU core module, an external control interface module, a signal input and processing module, a data storage module, a display control module, a keyboard interface, a communication interface, and a dynamic RAM, A / D conversion module. The power output of the power input management module is respectively connected to the input end of the working power of the various modules in the corresponding voltage levels inside the main frame. The CPU core module is respectively connected to the remaining modules inside the main frame. The external control interface module and the signal input and processing module are respectively connected to a magnetic switch and a microphone. Through the tester, the continuous measurement for the dynamic liquid level of mining wells can be achieved without the requirement of the demolition of well head. Therefore, the tester has the characteristics of accurate, efficient measurement, in which the continuous measurement can be achieved.
Description
Technical field:
The utility model relates to a kind of oil field operation instrument, especially relates to a kind of instrument that the rod-pumped well level is monitored continuously of being used for.
Background technology:
The rod-pumped well dynamic oil level is the important parameter that needs are constantly measured, and in the oil field development field tests, to the instrument that well fluid level is monitored, is mainly electron tube echometer and transistor echometer at present.But there is following defective when adopting these two kinds of apparatus measures: owing to utilize these two kinds of instruments to measure, well fluid level of every test all needs artificial unloading's well head and device once to change bullet, produce release thus and cause producing fluid level to change, influenced the degree of accuracy of measuring; In addition, need workman's long time continuous working at the scene, labour intensity is big, waste time and energy, and amount of test data is little, can not satisfy the requirement that individual well liquid level data monitoring is analyzed.
The utility model content:
In order to solve the problem that the existing apparatus measures of the utilization that exists in the existing pumpingh well producing fluid level measuring technique is inaccurate, effort is time-consuming, the utility model provides a kind of producing well liquid level follow-on test instrument, this kind producing well liquid level follow-on test instrument can be realized the continuous measurement to the pumpingh well producing fluid level, do not need to dismantle well head, have measurement accurately, efficiently, can realize the characteristics of continuous measurement.
The technical solution of the utility model is: this kind producing well liquid level follow-on test instrument, comprise power supply, the pneumatic well head integration module and the main frame that mainly are made of magnetic switch and microphone, it is characterized in that: described main frame is by placing power supply input manager module, core cpu module, external control interface module, signal input and processing module, data memory module, display control module, keyboard interface, communication interface, dynamic ram, A/D modular converter in the Instrument shell to form.
Wherein, described core cpu module is made up of single-chip microcomputer BAC52, logic chip 74HC373 and the support circuit of the program of being built-in with, reseting pin adopts the rc reset circuit, data-interface on the single-chip microcomputer BAC52 directly connects described display control module and dynamic ram, data port is by logic circuit 74HC373 and ale signal, generate the least-significant byte address, use for described display control module and dynamic ram address choice with the most-significant byte address that data-interface provides.
The CPU control signal input of described power supply input manager module is connected to the power control signal output of described core cpu module, the main power source input of described power supply input manager module is as the port of introducing power supply, and the power output end of several different electric pressures of described power supply input manager module is connected to the working power input of each module of relevant voltage grade in the main frame respectively;
Described display control module is made of a reverser and one group of DCI, wherein the output of reverser is as the output that chip selection signal is provided to external display, the signal input part of DCI directly links to each other with cpu data bus in the described core cpu module, by CPU control and output videotex, the signal output part of described DCI is as the output that shows signal is provided to external display;
The address of described dynamic ram and data/address bus all with described core cpu module in cpu bus directly be connected;
Described communication interface is made of serial RY485 and RY232 two-way communication module, links to each other with conversion mouth in the described core cpu module;
Described signal input is made up of discharge circuit, bandwidth-limited circuit with processing module, the input of its discharge circuit is connected to described microphonic output, receive the liquid surface wave reflected signal of described microphone output, the output of its bandwidth-limited circuit is connected to described A/D modular converter input end of analog signal;
Described A/D modular converter is made up of analog-digital converter CLY75523 and support circuit thereof, its input end of analog signal is connected to the analog signal output of described signal input and processing module, and its digital signal output end is connected to the CPU digital signal input end in the described core cpu module;
Described external control interface module is made of magnetic switch 24V level control circuit, and its control signal input is connected to the high level output in the described core cpu module, and the control signal output is connected to the relay control signal input of described magnetic switch.
The utlity model has following beneficial effect: because after taking such scheme, this instrument relies on oil-pumping well sheath internal gas pressure expansion sounding, main frame is controlled sounding switch in the pneumatic well head integration module by magnetic switch, after percussion, microphone receives the liquid level reflection wave signal of casing annulus, and change the signal of telecommunication into and send into main frame, amplify through main frame, after the filtering, give A/D converter, pass to CPU module in the main frame by A/D converter again, there are the back wave data that collect in the storage area in CPU under the control of plug-in, use for calculating dynamic oil level, realized thus in the continuous measurement that does not need to dismantle under the situation of well head the pumpingh well producing fluid level.In addition, under the effect of core cpu module, certainty of measurement improves greatly.
Description of drawings:
Fig. 1 is a composition schematic diagram of the present utility model.
Fig. 2 is the electrical schematic diagram of power supply input manager module in the utility model.
Fig. 3 is the electrical schematic diagram of display control module in the utility model.
Fig. 4 is the electrical schematic diagram of dynamic ram in the utility model.
Fig. 5 is the electrical schematic diagram of communication interface in the utility model.
Fig. 6 is the electrical schematic diagram of data memory module in the utility model.
Fig. 7 is the electrical schematic diagram of A/D modular converter in the utility model.
Fig. 8 is the electrical schematic diagram of signal input and processing module in the utility model.
Fig. 9 is the electrical schematic diagram of clock module in the utility model.
Figure 10 is the electrical schematic diagram of core cpu module in the utility model.
Figure 11 is the electrical schematic diagram of external control interface in the utility model.
Figure 12 is the electrical schematic diagram of keyboard interface in the utility model.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this kind producing well liquid level follow-on test instrument comprises power supply and pneumatic well head integration module and main frame.Pneumatic well head integration module comprises several parts such as microphone, vent valve, magnetic switch, pressure sensor, is the mechanical device of widely used a kind of maturation on the oil field.
Described main frame is by placing power supply input manager module, core cpu module, external control interface module, signal input and processing module, data memory module, display control module, keyboard interface, communication interface, dynamic ram, A/D modular converter and clock module in the Instrument shell to form, and the electrical schematic diagram of each module is extremely shown in Figure 12 as Fig. 2 respectively.
Wherein, as described in Figure 10, the core cpu module is made up of single-chip microcomputer BAC52, logic chip 74HC373 and the support circuit of the program of being built-in with, reseting pin adopts the rc reset circuit, data-interface on the single-chip microcomputer BAC52 directly connects described display control module and dynamic ram, data port generates the least-significant byte address by logic circuit 74HC373 and ale signal, uses for described display control module and dynamic ram address choice with the most-significant byte address that data-interface provides.The core cpu module is used for control test dynamic oil level under the effect of plug-in, output test curve and data report.
The CPU control signal input of described power supply input manager module is connected to the power control signal output of described core cpu module, the main power source input of described power supply input manager module is as the port of introducing power supply, and the power output end of several different electric pressures of described power supply input manager module is connected to the working power input of each module of relevant voltage grade in the main frame respectively.As shown in Figure 2, external power supply is input as+12V in this module, and element comprises reverse hold-off diode, from recovery and protection resistance Y920, and lowering and stabilizing blood pressure element 581Q, SQ10,9B1B, backward voltage output element 1CL7880S is through 581Q voltage stabilizing output+3V voltage; Through SQ10 voltage stabilizing output+5V voltage; Through 9B1B Voltage stabilizing module output+5V voltage; 5V voltage after the 1CL7880S reverse conversion, output-5V voltage; ± 5V voltage through 4 electric resistance partial pressures after output ± 2.5V voltage, use for CLY75523 converting analogue signals in the A/D modular converter.
Described display control module is made of a reverser and one group of DCI, wherein the output of reverser is as the output that chip selection signal is provided to external display, the signal input part of DCI directly links to each other with cpu data bus in the described core cpu module, by CPU control and output videotex, the signal output part of described DCI is as the output that shows signal is provided to external display.By Fig. 3 in conjunction with Figure 10 as can be known, the A15 address wire process reverser of the interior CPU of core cpu module is oppositely as the display screen chip selection signal.
The address of described dynamic ram and data/address bus all with described core cpu module in cpu bus directly be connected, as shown in Figure 4.CPU selects to write the address by address wire during work, and data wire writes or sense data.
Described communication interface is made of serial RY485 and RY232 two-way communication module, links to each other with conversion mouth in the described core cpu module.The two-way module respectively by+3V ,+5V provides power supply.As shown in Figure 5, the RY232 communication module is by a slice WAY232 chip, 4 electric capacity, and 4 ohm protective resistances, 2 electrostatic protectors provide the serial 232 communication translation interfaces of standard.Its input is connected with TYD, the RYD mouth of CPU, is output as standard RY232 interface.The RY485 communication module is by a slice 4Q52 chip, a slice R51489 chip, and 4 ohm protective resistances are formed, and standard RY485 is provided communication interface.CPU during work in the described core cpu module receives 232 signals or 485 signals that send from host computer, generates the RYD that the TTL signal enters CPU through the conversion mouth, and CPU judges according to the instruction analysis that receives, and carries out corresponding work.Send data or handle relevant issues through the TYD pin.
Cpu data storage control signal output in its control signal input of described data memory module and the described core cpu module directly is connected, and the interior cpu data signal output part of its four data lines and described core cpu module is connected.As shown in Figure 6, the write-protect pin of storage chip SWOBVL1B1 connects+the 3V power supply, does not limit and writes function, can write data at any time.The RST pin connects+the 3V power supply, keeps the farm labourer to make state.ROY makes module be in the hardware idle pulley all the time by drawing on the 3K resistance, is busy with idle mode by software control identification.
The effect of described signal input and processing module is to receive and comes from microphonic liquid level reflection wave signal and pass to the A/D modular converter that places the core cpu module preceding, and its electrical schematic diagram as shown in Figure 8.Form by discharge circuit, bandwidth-limited circuit, the input of its discharge circuit is connected to described microphonic output, receive the liquid surface wave reflected signal of described microphone output, the output of its bandwidth-limited circuit is connected to the input end of analog signal of described A/D modular converter.During actual the use, the microphone signal is linked into the input of discharge circuit by the signal cable line, microphone and small-signal thereof are by limited amplification, behind two low frequency capacitance CB, leach low frequency signal and DC component, through the filter circuit filtering high-frequency signal of resistance and electric capacity composition, the interchange microphone signal that has promptly kept 0.5-50Hz passes through again, and filtered signal is directly inputted to the A/D modular converter.
Described A/D modular converter is made up of analog-digital converter CLY75523 and support circuit thereof, as shown in Figure 7.Its input end of analog signal is connected to the analog signal output of described signal input and processing module, and its digital signal output end is connected to the CPU digital signal input end in the described core cpu module.The effect of this module is that with analog signal conversion be 16 position digital signals, offers CPU, through the CPU analysis and arrangement, forms liquid level test curve and liquid level related data.CLY75523 aanalogvoltage and reference voltage use ± 2.5V power supply, digital voltage is provided by+5V, and chip operation is at double pole mode, and amplifier signal inserts first via analog input end.
Described external control interface module is made of magnetic switch 24V level control circuit, as shown in figure 11, its control signal input is connected to the high level output in the described core cpu module, and the control signal output is connected to the relay control signal input of described magnetic switch.It is used for starting the sounding switch sounding in the magnetic switch control oil-pumping well sheath under the program effect of core cpu module.
When measuring dynamic oil level, this instrument is by the sounding switch in the control of the magnetic switch in the pneumatic integration module of the core cpu module controls sleeve pipe, after percussion, microphone receives the liquid level reflection wave signal of casing annulus, and change the signal of telecommunication into, front end amplifies, filtering after the signal input is finished with processing module to send into main frame, give the A/D modular converter again, converting data signal to is transported in the CPU, by it back wave data that collect are existed in the data memory module, use for calculating dynamic oil level.And simultaneously, under the effect of plug-in, constantly there are the back wave data that collect in the storage area in CPU, thereby calculates dynamic oil level continuously, obtains the producing fluid level curve.Thus, realized in the continuous measurement that does not need to dismantle under the situation of well head the pumpingh well producing fluid level.In addition, this instrument under the effect of core cpu module, makes certainty of measurement improve greatly owing to utilized the single-chip microcomputer with degree of precision.
Claims (1)
1. producing well liquid level follow-on test instrument, comprise power supply, the pneumatic well head integration module and the main frame that mainly are made of magnetic switch and microphone, it is characterized in that: described main frame is by placing power supply input manager module, core cpu module, external control interface, signal input and processing module, data memory module, display control module, keyboard interface, communication interface, dynamic ram, A/D modular converter in the Instrument shell to form;
Wherein, described core cpu module is made up of single-chip microcomputer BAC52, logic chip 74HC373 and the support circuit of the program of being built-in with, reseting pin adopts the rc reset circuit, data-interface on the single-chip microcomputer BAC52 directly connects described display control module and dynamic ram, data port is by logic circuit 74HC373 and ale signal, generate the least-significant byte address, use for described display control module and dynamic ram address choice with the most-significant byte address that data-interface provides;
The CPU control signal input of described power supply input manager module is connected to the power control signal output of described core cpu module, the main power source input of described power supply input manager module is as the port of introducing power supply, and the power output end of several different electric pressures of described power supply input manager module is connected to the working power input of each module of relevant voltage grade in the main frame respectively;
Described display control module is made of a reverser and one group of DCI, wherein the output of reverser is as the output that chip selection signal is provided to external display, the signal input part of DCI directly links to each other with cpu data bus in the described core cpu module, by CPU control and output videotex, the signal output part of described DCI is as the output that shows signal is provided to external display;
The address of described dynamic ram and data/address bus all with described core cpu module in cpu bus directly be connected;
Described communication interface is made of serial RY485 and RY232 two-way communication module, links to each other with conversion mouth in the described core cpu module;
Described signal input is made up of discharge circuit, bandwidth-limited circuit with processing module, the input of its discharge circuit is connected to described microphonic output, receive the liquid surface wave reflected signal of described microphone output, the output of its bandwidth-limited circuit is connected to described A/D modular converter input end of analog signal;
Described A/D modular converter is made up of analog-digital converter CLY75523 and support circuit thereof, its input end of analog signal is connected to the analog signal output of described signal input and processing module, and its digital signal output end is connected to the CPU digital signal input end in the described core cpu module;
Described external control interface module is made of magnetic switch 24V level control circuit, and its control signal input is connected to the high level output in the described core cpu module, and the control signal output is connected to the relay control signal input of described magnetic switch.
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CNU2006201232399U CN201050359Y (en) | 2006-08-01 | 2006-08-01 | Oil production well liquid level continuous tester |
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CNU2006201232399U CN201050359Y (en) | 2006-08-01 | 2006-08-01 | Oil production well liquid level continuous tester |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101824981A (en) * | 2010-04-29 | 2010-09-08 | 中国石油化工集团公司 | Test string for stimulating produced liquid section of pumping unit |
CN103510917A (en) * | 2012-06-19 | 2014-01-15 | 中国石油天然气股份有限公司 | Pumping unit automatic control method and system based on on-line dynamic liquid level monitoring |
CN111608646A (en) * | 2020-05-18 | 2020-09-01 | 中国石油天然气股份有限公司 | Instrument and method suitable for continuously monitoring working fluid level of oil well and natural gas well |
-
2006
- 2006-08-01 CN CNU2006201232399U patent/CN201050359Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101824981A (en) * | 2010-04-29 | 2010-09-08 | 中国石油化工集团公司 | Test string for stimulating produced liquid section of pumping unit |
CN101824981B (en) * | 2010-04-29 | 2012-09-05 | 中国石油化工集团公司 | Test string for stimulating produced liquid section of pumping unit |
CN103510917A (en) * | 2012-06-19 | 2014-01-15 | 中国石油天然气股份有限公司 | Pumping unit automatic control method and system based on on-line dynamic liquid level monitoring |
CN111608646A (en) * | 2020-05-18 | 2020-09-01 | 中国石油天然气股份有限公司 | Instrument and method suitable for continuously monitoring working fluid level of oil well and natural gas well |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20150801 |
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