CN106837306B - Integrated oil well dynamic liquid level measuring device and method - Google Patents
Integrated oil well dynamic liquid level measuring device and method Download PDFInfo
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- CN106837306B CN106837306B CN201710245567.9A CN201710245567A CN106837306B CN 106837306 B CN106837306 B CN 106837306B CN 201710245567 A CN201710245567 A CN 201710245567A CN 106837306 B CN106837306 B CN 106837306B
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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
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
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- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
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Abstract
The invention discloses an integrated oil well dynamic liquid level measuring device and a method, the device comprises an explosion-proof shell, a transmission pipe, a sound wave measuring mechanism and an electric control unit, wherein the transmission pipe consists of a test pipe and an air release pipe, the side wall of the test pipe is provided with a sound wave receiving air pipe and a pressure measuring hole, the test pipe is provided with an air storage bin, the sound wave measuring mechanism comprises an explosion electromagnetic valve, a microphone, a pressure sensor and a casing electromagnetic valve, and the electric control unit comprises a microcontroller, a communication module, a memory and a signal processing module; the method comprises the following steps: 1. preparing for measurement; 2. adjusting the ambient temperature in the explosion-proof shell; 3. detecting the pressure value in the oil well casing and selecting the working mode of implosion or implosion to measure the position of the dynamic liquid level; 4. data remote transmission and data processing. The invention adopts the working mode of implosion or implosion to provide blasting sounding conditions, and carries out continuous and accurate measurement on dynamic liquid level through the microphone, and meanwhile, the installation of the sleeve electromagnetic valve does not influence the liquid injection and well washing work of workers.
Description
Technical Field
The invention belongs to the technical field of oil well dynamic liquid level measurement, and particularly relates to an integrated oil well dynamic liquid level measuring device and method.
Background
In the process of oil field production, the working fluid level between an oil pipe and a sleeve is an important index for reflecting the liquid supply capacity of a stratum, and is an important basis for determining the reasonable submergence degree of an oil well pump and formulating a reasonable working system in oil extraction production. The traditional working fluid level test mode is to use an echometer to test, use a warhead-free gunpowder bullet or a nitrogen cylinder sound bullet as a sounding medium, and operate periodically by manpower. Continuous testing for long periods of time is difficult due to the hazardous, bulky equipment used. The electric air gun and the electric nitrogen cylinder are difficult to popularize due to the complex process structure, high cost and short service life. In addition, when the working liquid level is automatically measured, if the pressure in the well is too low, the liquid level cannot be accurately measured in real time under the condition that the sleeve is completely opened, and the requirement of sealing a measurement space is met, so that the accuracy of data measured by the working liquid level is high; if the pressure in the well is too high, the transmission of infrasonic waves can be influenced by the too high pressure, and the pressure in the sleeve needs to be released, so that an integrated oil well dynamic liquid level measuring device and method are lacked at present, the position of the oil well dynamic liquid level can be measured by selecting an implosion or implosion working mode according to the pressure in the sleeve, and unnecessary troubles caused by manual control due to the fact that a manual ball valve is installed in the traditional method are avoided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an integrated oil well dynamic liquid level measuring device aiming at the defects in the prior art, the device is novel and reasonable in design, the working mode of implosion or implosion is adopted to provide blasting sounding conditions, the dynamic liquid level is continuously and accurately measured through a microphone, and meanwhile, the installation of a sleeve electromagnetic valve does not influence the liquid injection and well washing work of workers, so that the device is convenient to popularize and use.
In order to solve the technical problems, the invention adopts the technical scheme that: integration oil well developments liquid level measuring device, its characterized in that: the device comprises an explosion-proof shell installed on a sleeve branch pipe, a transmission pipe penetrating through the explosion-proof shell and butted with the sleeve branch pipe, a sound wave receiving air pipe and a pressure measuring hole which are arranged in the explosion-proof shell, and an electric control unit, wherein the transmission pipe consists of a test pipe and an air discharging pipe, the side wall of the test pipe is provided with a sound wave receiving air pipe and a pressure measuring hole which are communicated with the test pipe, the sound wave receiving air pipe is sealed by a mounting cover, the mounting cover is provided with a microphone mounting hole, the test pipe is provided with an air storage bin which is integrated with the test pipe and works together with the test pipe, the air storage bin is provided with an air inlet hole and an air storage bin air outlet pipe, the air inlet hole is fixedly provided with an air inlet pipe which extends out of the explosion-proof shell and is used for connecting an air feeding pump to the air storage bin to input high-pressure air into the air storage bin, the sound wave measuring mechanism comprises an explosion solenoid valve fixedly installed at the air outlet end of the air storage bin air outlet pipe, a microphone which is arranged in the sound wave receiving air pipe and is arranged in the sound wave receiving air storage bin, a microphone which is used for receiving air signal and is arranged in the air outlet pipe, a pressure sensor which is fixed between the air outlet pipe and a cavity of the air outlet pipe, and a pressure sensor which is connected with the air outlet pipe, and is far away from the air outlet pipe, and is connected with the air outlet pipe, and a sound wave electromagnetic valve which is connected between the air outlet pipe; the electric control unit comprises a microcontroller, a communication module and a memory, wherein the communication module and the memory are connected with the microcontroller, the signal output end of the pressure sensor is connected with the input end of the microcontroller, the blasting electromagnetic valve and the sleeve electromagnetic valve are controlled by the microcontroller, a signal processing module for processing signals received by the microphone is installed on the outer side of the microphone mounting hole, and the signal processing module is connected with the microcontroller through an explosion-proof pipeline.
The integrated oil well dynamic liquid level measuring device is characterized in that: the explosion-proof shell is internally provided with a heating plate for adjusting temperature, the electric control unit further comprises a temperature sensor for collecting the temperature in the explosion-proof shell, the signal output end of the temperature sensor is connected with the input end of the microcontroller, and the heating plate is controlled by the microcontroller.
The integrated oil well dynamic liquid level measuring device is characterized in that: the communication module is a wired communication module or a wireless communication module, and the microcontroller is communicated with the upper computer through wired communication or wireless communication.
The integrated oil well dynamic liquid level measuring device is characterized in that: and a sealing gasket is arranged at the contact position of the mounting cover and the sound wave receiving air pipe.
The integrated oil well dynamic liquid level measuring device is characterized in that: and the signal receiving end of the microphone and the signal output end of the sound wave emission air pipe are flush with the inner wall of the test pipe.
The integrated oil well dynamic liquid level measuring device is characterized in that: and the explosion-proof shell is provided with an external circuit joint for supplying power to the sound wave measuring mechanism and the electric control unit.
The integrated oil well dynamic liquid level measuring device is characterized in that: the air release pipe is fixedly arranged on the explosion-proof shell through a flange plate.
The integrated oil well dynamic liquid level measuring device is characterized in that: the gas storage bin is arranged between the sound wave receiving gas pipe and the pressure measuring hole.
Meanwhile, the invention also discloses a method for measuring the dynamic liquid level of the integrated oil well by the working mode of implosion or implosion, which has simple steps and reasonable design and is characterized by comprising the following steps:
step one, measurement preparation: firstly, mounting a measuring device on a sleeve branch pipe, and sealing and fixedly mounting a gas discharge pipe on an explosion-proof shell by adopting a flange plate; then, the air charging pump is arranged at the air inlet end of the air inlet pipe, and the external power supply equipment is arranged on the external circuit connector; finally, initializing the microcontroller in a power-on reset mode, setting an ambient temperature threshold and an oil well casing internal pressure threshold in the memory, keeping the casing electromagnetic valve in a closed state, and isolating a passage between the test tube and the gas release tube;
step two, adjusting the environmental temperature in the explosion-proof shell: installing a heating plate in the explosion-proof shell, arranging a temperature sensor in an electrical control unit, collecting an environment temperature value in the explosion-proof shell by using the temperature sensor, and controlling the heating plate to work by using a microcontroller when the temperature value collected by the temperature sensor is lower than an environment temperature threshold value stored in a memory so as to maintain the environment temperature value in the explosion-proof shell within the environment temperature threshold value;
step three, detecting the pressure value in the oil well casing pipe and selecting the working mode of implosion or implosion to measure the position of the dynamic liquid level: adopting pressure sensor to collect the pressure value in the test tube communicated with the oil well casing, when the pressure value collected by the pressure sensor is lower than the pressure threshold value stored in the memory, selecting the working mode of explosion to measure the position of the dynamic liquid level: keeping a sleeve electromagnetic valve closed, adopting a gas adding pump to convey high-pressure gas to a gas storage bin through a gas inlet pipe, sending infrasonic waves into a test tube through a gas guide pipe and a sound wave emission gas pipe by switching on an explosion electromagnetic valve, receiving echo information by using a microphone, adopting a signal processing module to preprocess signals and then transmitting the signals to a microcontroller;
when the pressure value collected by the pressure sensor is not lower than the pressure threshold value stored in the memory, selecting the working mode of implosion to measure the position of the dynamic liquid level: the microcontroller controls the opening of the sleeve solenoid valve, emits infrasonic waves into the test tube through the air leakage of the air release tube, receives echo information by using the microphone, and transmits the echo information to the microcontroller after signal preprocessing by using the signal processing module;
step four, data remote transmission and data processing: the microcontroller remotely transmits the received dynamic liquid level data to an upper computer through a communication module, and the upper computer processes the dynamic liquid level data to obtain the actual position of the dynamic liquid level.
The above method is characterized in that: the communication module in the fourth step is a wired communication module or a wireless communication module, and the microcontroller is communicated with the upper computer through wired communication or wireless communication; in the third step, the signal receiving end of the microphone and the signal output end of the sound wave transmitting air pipe are flush with the inner wall of the testing pipe.
Compared with the prior art, the invention has the following advantages:
1. the integrated oil well dynamic liquid level measuring device adopted by the invention adopts an explosion-proof shell, and is safe and reliable; through setting up the sleeve pipe solenoid valve, can be to oil well casing shutoff, pressure discharge, when the dynamic liquid level of oil well need not be measured simultaneously, microcontroller passes through control sleeve pipe solenoid valve, and the space of guaranteeing between oil pipe and the oil well casing is opened, and the workman of being convenient for normally annotates liquid well-flushing work, and is reliable stable, excellent in use effect.
2. The integrated oil well dynamic liquid level measuring device is characterized in that the gas storage bin and the test tube are processed into a whole, and the gas storage bin is arranged close to the sound wave receiving air tube, so that the volume of the measuring device is reduced, the path of high-pressure gas flowing is reduced, the sound wave transmitting air tube is sleeved in the sound wave receiving air tube, the transmitting and receiving of infrasonic waves are convenient to measure, the structure is compact, and the using effect is good.
3. The method adopted by the invention has simple steps, realizes the measurement of the dynamic liquid level position in the working mode of implosion or implosion through the matching of the sleeve electromagnetic valve and the blasting electromagnetic valve, adopts the pressure sensor to detect the pressure value in the oil well sleeve under the temperature environment meeting the normal working of the measuring device, and adopts the working mode of implosion to measure the dynamic liquid level position when the pressure value in the oil well sleeve is lower than the pressure threshold value stored in the memory; when the pressure value in the oil well casing is not lower than the pressure threshold value stored in the memory, the dynamic liquid level position is measured by adopting an implosion working mode, so that the use is flexible, and the measurement is accurate.
In conclusion, the invention has novel and reasonable design, adopts the working mode of implosion or implosion to provide blasting sounding conditions, carries out continuous and accurate measurement on the dynamic liquid level through the microphone, simultaneously does not influence the liquid injection and well washing work of workers due to the installation of the sleeve electromagnetic valve, is safe and reliable, and is convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an integrated oil well dynamic liquid level measuring device.
FIG. 2 is a using state diagram of the integrated oil well dynamic liquid level measuring device.
FIG. 3 is a schematic structural diagram of the test tube of the present invention.
Fig. 4 is a schematic block diagram of the circuit of the present invention.
FIG. 5 is a block flow diagram of the method of the present invention.
Description of the reference numerals:
1-explosion-proof housing; 2-acoustic receiving air pipe; 3-a signal processing module;
4-microphone; 5, an air guide pipe; 6-blasting the electromagnetic valve;
7, an air inlet pipe; 8, heating a plate; 9-a pressure sensor;
10-sleeve electromagnetic valve; 11-an electrical control unit; 11-1 — a microcontroller;
11-2 — a communication module; 11-3-temperature sensor; 11-4-memory;
12-external circuit connector; 3-test tube; 14-flange plate;
15-air release pipe; 17-a sealing gasket; 18-mounting a cover;
19-acoustic emission trachea; 20-microphone mounting hole; 21-gas storage;
22-air outlet pipe of air storage tank; 23-an air intake; 24-pressure measuring hole;
25-casing branch pipe; 26-pumping unit; 27-oil well casing;
28-coupling; 29-oil pipe.
Detailed Description
The integrated oil well dynamic liquid level measuring device shown in fig. 1 to 4 comprises an explosion-proof housing 1 mounted on a casing branch pipe 25, a transmission pipe penetrating through the explosion-proof housing 1 and butted with the casing branch pipe 25, and a sound wave measuring mechanism and an electric control unit 11 arranged in the explosion-proof housing 1, wherein the transmission pipe is composed of a test pipe 13 and an air discharge pipe 15, a sound wave receiving air pipe 2 and a pressure measuring hole 24 communicated with the test pipe 13 are arranged on the side wall of the test pipe 13, the sound wave receiving air pipe 2 is sealed by a mounting cover 18, a microphone mounting hole 20 is arranged on the mounting cover 18, an air storage bin 21 processed and integrated with the test pipe 13 is arranged at a position on the test pipe 13 close to the sound wave receiving air pipe 2, an air inlet 23 and an air outlet 22 of the air storage bin are arranged on the air storage bin 21, an air inlet pipe 7 which extends out of the explosion-proof shell 1 and is used for connecting a charging pump to input high-pressure gas into the gas storage bin 21 is fixedly installed on the air inlet hole 23, the sound wave measuring mechanism comprises an explosion electromagnetic valve 6 which is fixedly installed at the air outlet end of the gas storage bin air outlet pipe 22, a microphone 4 which is arranged in the sound wave receiving air pipe 2 and is clamped on a microphone installation hole 20 and used for receiving sound wave signals, a pressure sensor 9 which is fixed on a pressure measuring hole 24 and used for measuring the pressure in an oil well casing 27, and a casing electromagnetic valve 10 which is fixed between the testing pipe 13 and the air discharging pipe 15 and used for adjusting the pressure in the oil well casing 27, a cavity is arranged between one side, close to the gas storage bin 21, of the microphone 4 and the sound wave receiving air pipe 2, one end, far away from the gas storage bin air outlet pipe 22, of the explosion electromagnetic valve 6 is connected with a gas guide pipe 5, and one end, far away from the explosion electromagnetic valve 6, of the gas guide pipe 5 is connected with a sound wave transmitting air pipe 19 which extends into the cavity; the electric control unit 11 comprises a microcontroller 11-1, a communication module 11-2 and a memory 11-4 which are both connected with the microcontroller 11-1, the signal output end of the pressure sensor 9 is connected with the input end of the microcontroller 11-1, the blasting electromagnetic valve 6 and the sleeve electromagnetic valve 10 are both controlled by the microcontroller 11-1, a signal processing module 3 for processing signals received by the microphone 4 is installed on the outer side of the microphone installation hole 20, and the signal processing module 3 is connected with the microcontroller 11-1 through an explosion-proof pipeline.
The explosion-proof shell 1 is arranged for sealing protection of the whole device, so that each electric device in the explosion-proof shell 1 is protected from corrosion interference of the external environment, and the service life of the measuring device is prolonged; secondly, no potential safety hazard is generated to the oil well in order to operate the measuring device; the first arrangement of the transmission pipe is to keep the normal use of the casing branch pipe 25, ensure the communication between the casing branch pipe 25 and the outside, and facilitate the liquid injection and well washing work of workers; secondly, in order to realize the measurement of the working fluid level, the installation and the measurement work of the acoustic wave measuring mechanism are convenient; the transmission pipe consists of a test pipe 13 and an air release pipe 15, the test pipe 13 is connected with the air release pipe 15 through a casing electromagnetic valve 10, and the casing electromagnetic valve 10 is arranged to flexibly and rapidly adjust the conduction and the blocking of the transmission pipe, so that the phenomenon that a manual ball valve is used in the prior art and is frequently opened or closed is avoided, the workload of workers is reduced, the phenomenon that the working fluid level measurement of an oil well is measured in an open state because the workers forget to close the manual ball valve is avoided, and the measurement precision is low; secondly, in order to adjust the pressure in the oil well casing 27, if the pressure in the oil well casing 27 is too high, which causes the sound wave measurement to be unable to be performed normally, the casing electromagnetic valve 10 needs to be deflated to maintain the pressure in the oil well casing 27 within the normal range required by the sound wave measurement.
In this embodiment, the gas storage bin 21 is disposed between the sound wave receiving gas pipe 2 and the pressure measuring hole 24.
The side wall of the test tube 13 is provided with a sound wave receiving air tube 2 and a pressure measuring hole 24 which are communicated with the test tube 13, the preferable test tube 13 and the sound wave receiving air tube 2 are both made of stainless steel materials, so that the test tube 13 and the sound wave receiving air tube 2 are corrosion-resistant, rust-resistant and not easy to deform, the service life of the measuring device is prolonged, a gas storage bin 21 which is processed and manufactured into a whole with the test tube 13 is arranged at a position on the test tube 13 close to the sound wave receiving air tube 2, the gas storage bin 21 is arranged to provide high-pressure gas for an external explosion mode measurement for a sound wave measuring mechanism, the gas storage bin 21 is arranged close to the sound wave receiving air tube 2 to generate disturbance to the working liquid level of an oil well rapidly during working, the length of the whole air flow channel is shortened, and the gas resistance is reduced, the whole measuring device is smaller in size and more compact in structure, an air inlet 23 and an air outlet pipe 22 of the air storage bin are arranged on the air storage bin 21, high-pressure gas is input into the air storage bin 21 through an air inlet pipe 7 by an external air filling pump, when the liquid level is measured, the air filling pump is used, the external air filling pump is used for reducing the size and the cost of the measuring device, the air filling pump can be used for measuring different oil wells, a blasting electromagnetic valve 6 is arranged for emitting the high-pressure gas stored in the air storage bin 21 into a testing pipe 13 in an explosion mode, a cavity is formed between one side of a microphone 4 close to the air storage bin 21 and a sound wave receiving air pipe 2, and a sound wave emitting air pipe 19 extends into the cavity to reduce the distance difference between the emission and the receiving and propagation of infrasonic waves.
In this embodiment, the signal receiving end of the microphone 4 and the signal output end of the sound wave emitting tube 19 are flush with the inner wall of the testing tube 13.
In practical use, an oil pipe 29 is inserted into the oil well casing 27, the oil pipe 29 is formed by splicing a plurality of oil pipe sections, a coupling 28 is arranged at the end part of each oil pipe section to seal the oil pipe 29, so that the oil pumping unit 26 can smoothly pump oil, the high-pressure airflow sent by the sound wave emission air pipe 19 can encounter various obstacle interferences when propagating in the oil well casing 27, wherein the high-pressure airflow comprises periodic interference signals brought by the coupling 28, and the signal receiving end of the microphone 4 and the signal output end of the sound wave emission air pipe 19 are flush with the inner wall of the test pipe 13, so that the high-pressure airflow in the sound wave emission air pipe 19 can avoid directly impacting the surface of the microphone 4 and directly leading to the liquid level in the oil well casing 27, the interference of the side wall of the microphone in the transmission process is avoided, and the sound wave test is more accurate and clearer.
The signal processing module 3 for processing the signals received by the microphone 4 is arranged on the outer side of the microphone mounting hole 20, and the signal processing module 3 is arranged for filtering and denoising the signals received by the microphone 4 and providing signal preprocessing for the processing of the microcontroller 11-1; secondly, in order to seal the microphone mounting hole 20 on the mounting cover 18, the noise transmission is reduced, and the data precision acquired by the microphone 4 is higher.
In this embodiment, a heating plate 8 for adjusting temperature is installed in the explosion-proof housing 1, the electrical control unit 11 further includes a temperature sensor 11-3 for collecting temperature in the explosion-proof housing 1, a signal output end of the temperature sensor 11-3 is connected with an input end of the microcontroller 11-1, and the heating plate 8 is controlled by the microcontroller 11-1.
The heating plate 8 can be heated in real time according to the temperature change in the explosion-proof shell 1, so that the measuring device can normally work in a low-temperature cold area, the temperature sensor 11-3 is arranged for sensing the ambient temperature, and the microcontroller 11-1 controls the heating plate 8 to work in time.
In this embodiment, the communication module 11-2 is a wired communication module or a wireless communication module, and the microcontroller 11-1 communicates with the upper computer through wired communication or wireless communication.
In this embodiment, a gasket 17 is provided at a position where the mounting cap 18 contacts the sound wave receiving air tube 2.
The sound wave receiving air pipe 2, the sealing gasket 17 and the mounting cover 18 are connected through screws, an independent cavity is formed on the testing pipe 13 and used for fixing the microphone 4 and the sound wave transmitting air pipe 19, when the position of the working fluid level is measured in an external explosion mode, the sound wave transmitting air pipe 19 transmits high-pressure airflow to generate disturbance on the working fluid level of the oil well, the sealing gasket 17 seals the independent cavity to ensure that the high-pressure airflow is not leaked, the sound wave receiving air pipe 2 is connected with the mounting cover 18 through screws, the mounting and dismounting are convenient, and the structure is simpler and more reliable.
In this embodiment, the explosion-proof housing 1 is provided with an external circuit connector 12 for supplying power to the acoustic wave measuring mechanism and the electrical control unit 11.
The external circuit connector 12 is arranged to separate a power supply system of the measuring device from the measuring device, reduce the volume of the measuring device and reduce the load on the oil well casing 27, and when the measuring device needs to work, the external power supply system is connected to supply power to the measuring device, so that the using effect is good.
In this embodiment, the gas releasing pipe 15 is fixedly installed on the explosion-proof housing 1 through the flange 14.
The flange 14 is arranged to firmly mount the air release pipe 15 and the test pipe 13 on the explosion-proof housing 1, so that the whole measuring device is stable and does not loosen.
The integrated oil well dynamic liquid level measuring method shown in FIG. 5 comprises the following steps:
step one, measurement preparation: firstly, mounting a measuring device on a sleeve branch pipe 25, and sealing and fixedly mounting an air discharge pipe 15 on an explosion-proof shell 1 by adopting a flange plate 14; then, the air-entrapping pump is arranged at the air inlet end of the air inlet pipe 7, and the external power supply equipment is arranged on the external circuit connector 12; finally, initializing the microcontroller 11-1 in a power-on reset mode, setting an ambient temperature threshold and an internal pressure threshold of the oil well casing 27 in the memory 11-4, keeping the casing electromagnetic valve 10 in a closed state, and isolating a passage between the test tube 13 and the gas release tube 15;
step two, adjusting the environmental temperature in the explosion-proof shell: installing a heating plate 8 in an explosion-proof shell 1, arranging a temperature sensor 11-3 in an electrical control unit 11, collecting an environmental temperature value of the explosion-proof shell 1 by using the temperature sensor 11-3, and controlling the heating plate 8 to work by using a microcontroller 11-1 when the temperature value collected by the temperature sensor 11-3 is lower than an environmental temperature threshold value stored in a memory 11-4 so as to maintain the environmental temperature value of the explosion-proof shell 1 within the environmental temperature threshold value;
in actual use, the dynamic liquid level position can be measured by adopting an implosion working mode or an implosion working mode, wherein the implosion working mode is that a high-pressure air source per se is adopted to send out an explosive sound source, and the high-pressure air source per se is high-pressure gas in an oil well; the working mode of the external explosion is that an external auxiliary high-pressure air source is adopted to send out a sound source of the explosion, and the external auxiliary high-pressure air source is a gas adding pump which is used for conveying high-pressure gas to the gas storage bin 21;
step three, detecting the pressure value in the oil well casing pipe and selecting the working mode of implosion or implosion to measure the position of the dynamic liquid level: the pressure sensor 9 is adopted to collect the pressure value in the testing pipe 13 communicated with the oil well casing 27, and when the pressure value collected by the pressure sensor 9 is lower than the pressure threshold value stored in the memory 11-4, the working mode of the outburst is selected to measure the position of the dynamic liquid level: keeping the sleeve electromagnetic valve 10 closed, adopting a gas adding pump to deliver high-pressure gas to the gas storage bin 21 through the gas inlet pipe 7, sending infrasonic waves into the test tube 13 through the gas guide pipe 5 and the sound wave emission gas pipe 19 by conducting the blasting electromagnetic valve 6, receiving echo information by using the microphone 4, adopting the signal processing module 3 to preprocess signals and then transmitting the signals to the microcontroller 11-1;
in practical use, when the pressure value acquired by the pressure sensor 9 is lower than the pressure threshold value stored in the memory 11-4, the working mode of external explosion is selected to measure the dynamic liquid level, and after the measurement is finished, the explosion electromagnetic valve 6 is closed, the sleeve electromagnetic valve 10 is opened to maintain the normal production of the oil well, and meanwhile, the gas storage bin 21 is inflated to prepare for next working liquid level test;
when the pressure value collected by the pressure sensor 9 is not lower than the pressure threshold value stored in the memory 11-4, the working mode of implosion is selected to measure the position of the dynamic liquid level: the microcontroller 11-1 controls the sleeve electromagnetic valve 10 to be opened, infrasonic waves are emitted into the test tube 13 through the air leakage of the air release tube 15, echo information is received by the microphone 4, and the echo information is transmitted to the microcontroller 11-1 after being preprocessed by the signal processing module 3;
in actual use, when the pressure value acquired by the pressure sensor 9 is not lower than the pressure threshold value stored in the memory 11-4, the implosion working mode is selected to measure the dynamic liquid level, and after the measurement is finished, the exhaust electromagnetic valve 10 is opened to maintain normal production of the oil well, so that preparation is made for next dynamic liquid level test;
step four, data remote transmission and data processing: the microcontroller 11-1 remotely transmits the received dynamic liquid level data to an upper computer through the communication module 11-2, and the upper computer processes the dynamic liquid level data to obtain the actual position of the dynamic liquid level.
In practical use, when the oil well needs to be injected with liquid and washed, the dynamic liquid level measuring device does not need to be disassembled and assembled, and the liquid is directly injected into the casing branch pipe 25 through the gas release pipe 15, the exhaust electromagnetic valve 10 and the test pipe 13, so that the oil well casing 27 can be conveniently operated.
In the embodiment, the communication module 11-2 in the fourth step is a wired communication module or a wireless communication module, and the microcontroller 11-1 communicates with the upper computer through wired communication or wireless communication;
in the third step, the signal receiving end of the microphone 4 and the signal output end of the sound wave transmitting air pipe 19 are flush with the inner wall of the testing pipe 13.
In this embodiment, the dynamic liquid level measurement is performed by using the principle of sound waves, the depth of the dynamic liquid level is measured by echo, the positions of the wellhead and the dynamic liquid level are found by collecting coupling wave signals reflected by the coupling 28 of the oil pipe 29 and liquid level wave signals transmitted by the surface of the dynamic liquid level, and then the depth of the dynamic liquid level is calculated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. Integration oil well developments liquid level measuring device, its characterized in that: the device comprises an explosion-proof shell (1) arranged on a sleeve branch pipe (25), a transmission pipe which penetrates through the explosion-proof shell (1) and is in butt joint with the sleeve branch pipe (25), and a sound wave measuring mechanism and an electrical control unit (11) which are arranged in the explosion-proof shell (1), wherein the transmission pipe consists of a test pipe (13) and a gas release pipe (15), the side wall of the test pipe (13) is provided with a sound wave receiving gas pipe (2) and a pressure measuring hole (24) which are communicated with the test pipe (13), the sound wave receiving gas pipe (2) is sealed through a mounting cover (18), the mounting cover (18) is provided with a microphone mounting hole (20), a gas storage bin (21) which is processed and manufactured into a whole with the test pipe (13) is arranged at a position close to the sound wave receiving gas pipe (2) on the test pipe (13), the gas storage bin (21) is provided with a gas inlet hole (23) and a gas storage bin (22), the gas outlet pipe (23) is fixedly provided with a gas inlet pipe (7) which extends out of the explosion-proof shell (1) and is used for connecting with a gas pump (21) and inputting high-pressure gas, the high-pressure gas is arranged at the sound wave receiving gas pump (4), the sound wave receiving gas storage bin (2), the gas outlet pipe (6) is fixedly arranged on the gas outlet pipe (4), the gas storage bin (6), and the sound wave receiving gas storage bin (4) is fixedly arranged on the gas outlet pipe (2), the gas outlet pipe (4) and is fixedly arranged on the sound wave receiving gas storage bin (2), and is arranged on the explosion-receiving signal receiving gas storage bin (4) and the explosion-receiving gas storage bin (2), and the sound wave receiving gas storage bin (4) and is arranged on the explosion-receiving gas-receiving device is arranged on the explosion-pressure receiving gas outlet pipe (2) and is arranged on the explosion-pressure receiving gas outlet pipe (13) and is arranged on the explosion-pressure receiving device, the pressure sensor (9) is fixed on the pressure measuring hole (24) and used for measuring the pressure in the oil well casing (27), the casing electromagnetic valve (10) is fixed between the testing tube (13) and the air discharging tube (15) and used for adjusting the pressure in the oil well casing (27), a cavity is arranged between one side, close to the air storage bin (21), of the microphone (4) and the sound wave receiving air tube (2), one end, far away from the air outlet tube (22) of the air storage bin, of the blasting electromagnetic valve (6) is connected with an air guide tube (5), and one end, far away from the blasting electromagnetic valve (6), of the air guide tube (5) is connected with a sound wave transmitting air tube (19) extending into the cavity; the electric control unit (11) comprises a microcontroller (11-1), a communication module (11-2) and a memory (11-4) which are connected with the microcontroller (11-1), the signal output end of the pressure sensor (9) is connected with the input end of the microcontroller (11-1), the blasting electromagnetic valve (6) and the sleeve electromagnetic valve (10) are controlled by the microcontroller (11-1), a signal processing module (3) for processing signals received by the microphone (4) is installed on the outer side of the microphone mounting hole (20), and the signal processing module (3) is connected with the microcontroller (11-1) through an explosion-proof pipeline;
a heating plate (8) used for adjusting the temperature is installed in the explosion-proof shell (1), the electric control unit (11) further comprises a temperature sensor (11-3) used for collecting the temperature in the explosion-proof shell (1), the signal output end of the temperature sensor (11-3) is connected with the input end of the microcontroller (11-1), and the heating plate (8) is controlled by the microcontroller (11-1);
the communication module (11-2) is a wired communication module or a wireless communication module, and the microcontroller (11-1) is communicated with the upper computer through wired communication or wireless communication.
2. The integrated oil well dynamic level measurement device of claim 1, wherein: and a sealing gasket (17) is arranged at the position where the mounting cover (18) is contacted with the sound wave receiving air pipe (2).
3. The integrated oil well dynamic level measurement device of claim 1, wherein: the signal receiving end of the microphone (4) and the signal output end of the sound wave transmitting air pipe (19) are flush with the inner wall of the testing pipe (13).
4. The integrated oil well dynamic level measurement device of claim 1, wherein: and an external circuit connector (12) for supplying power to the sound wave measuring mechanism and the electric control unit (11) is arranged on the explosion-proof shell (1).
5. The integrated oil well dynamic level measurement device of claim 1, wherein: the air release pipe (15) is fixedly arranged on the explosion-proof shell (1) through a flange plate (14).
6. The integrated oil well dynamic level measurement device of claim 1, wherein: the gas storage bin (21) is arranged between the sound wave receiving gas pipe (2) and the pressure measuring hole (24).
7. A method for integrated well dynamic level measurement using the apparatus of claim 1, wherein: the method comprises the following steps:
step one, measurement preparation: firstly, a measuring device is arranged on a sleeve branch pipe (25), and a gas discharge pipe (15) is fixedly arranged on an explosion-proof shell (1) in a sealing way by adopting a flange plate (14); then, the air-entrapping pump is arranged at the air inlet end of the air inlet pipe (7), and the external power supply equipment is arranged on the external circuit connector (12); finally, initializing the microcontroller (11-1) in a power-on reset mode, setting an ambient temperature threshold value and an internal pressure threshold value of the oil well casing (27) in the memory (11-4), keeping the casing electromagnetic valve (10) in a closed state, and cutting off a channel between the test tube (13) and the gas release tube (15);
step two, adjusting the environmental temperature in the explosion-proof shell: a heating plate (8) is installed in an explosion-proof shell (1), a temperature sensor (11-3) is arranged in an electrical control unit (11), the temperature sensor (11-3) is used for collecting an environmental temperature value in the explosion-proof shell (1), and when the temperature value collected by the temperature sensor (11-3) is lower than an environmental temperature threshold value stored in a memory (11-4), a microcontroller (11-1) controls the heating plate (8) to work, so that the environmental temperature value in the explosion-proof shell (1) is maintained in the environmental temperature threshold value;
step three, detecting the pressure value in the oil well casing pipe and selecting the working mode of implosion or implosion to measure the position of the dynamic liquid level: the method comprises the following steps of acquiring a pressure value in a testing pipe (13) communicated with an oil well casing (27) by using a pressure sensor (9), and selecting an explosion working mode to measure the position of the dynamic liquid level when the pressure value acquired by the pressure sensor (9) is lower than a pressure threshold value stored in a memory (11-4): keeping a sleeve electromagnetic valve (10) closed, adopting a gas adding pump to convey high-pressure gas to a gas storage bin (21) through a gas inlet pipe (7), sending infrasonic waves into a test tube (13) through a gas guide pipe (5) and a sound wave emission gas pipe (19) by conducting a blasting electromagnetic valve (6), receiving echo information by using a microphone (4), preprocessing signals by using a signal processing module (3) and then transmitting the preprocessed signals to a microcontroller (11-1);
when the pressure value collected by the pressure sensor (9) is not lower than the pressure threshold value stored in the memory (11-4), selecting the working mode of implosion to measure the position of the dynamic liquid level: the microcontroller (11-1) controls the sleeve electromagnetic valve (10) to be opened, infrasonic waves are emitted into the test tube (13) through the air leakage of the air release tube (15), echo information is received by the microphone (4), and the echo information is transmitted to the microcontroller (11-1) after being preprocessed by the signal processing module (3);
step four, data remote transmission and data processing: the microcontroller (11-1) remotely transmits the received dynamic liquid level data to an upper computer through the communication module (11-2), and the upper computer processes the dynamic liquid level data to obtain the actual position of the dynamic liquid level.
8. The method of performing integrated well dynamic level measurement as recited in claim 7, wherein: the communication module (11-2) in the fourth step is a wired communication module or a wireless communication module, and the microcontroller (11-1) is communicated with the upper computer through wired communication or wireless communication;
in the third step, the signal receiving end of the microphone (4) and the signal output end of the sound wave transmitting air pipe (19) are both flush with the inner wall of the testing pipe (13).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107299832B (en) * | 2017-06-30 | 2021-04-13 | 西安石油大学 | Method for measuring working fluid level of oil well by using frequency difference type infrasonic wave generator |
| CN110397435B (en) * | 2018-04-25 | 2021-11-30 | 中国石油天然气股份有限公司 | Sound production device and method |
| CN108612521B (en) * | 2018-07-10 | 2023-08-18 | 西安海联石化科技有限公司 | Device and method for simulating and testing working fluid level and casing pressure of oil well |
| CN108678729B (en) * | 2018-07-26 | 2023-07-04 | 西安海联石化科技有限公司 | Automatic monitoring device and method for accumulated liquid level of high-pressure gas well shaft |
| CN109826617A (en) * | 2019-04-09 | 2019-05-31 | 杭州乾景科技有限公司 | One-well metering system |
| CN110130878B (en) * | 2019-06-26 | 2023-11-17 | 西安海联石化科技有限公司 | Device and method for detecting oil level of well drilling and well repairing test oil |
| CN111734393A (en) * | 2020-06-28 | 2020-10-02 | 中国石油天然气股份有限公司 | Oil well working fluid level testing device and operation method |
| CN112065369B (en) * | 2020-09-30 | 2024-07-09 | 西安海诚石油科技有限公司 | Oil gas well dynamic liquid level monitoring device and oil gas well |
| CN113323634B (en) * | 2020-12-03 | 2022-04-12 | 西安海联石化科技有限公司 | Intelligent intermittent pumping positioning starting and stopping method for oil pumping unit |
| CN112228044A (en) * | 2020-12-14 | 2021-01-15 | 胜利油田大源节能设备有限公司 | Internal and external explosion integrated working fluid level measuring device and measuring method |
| CN113958311A (en) * | 2021-12-21 | 2022-01-21 | 沈阳新石科技有限公司 | Device and method for monitoring underground liquid level |
| CN118089884B (en) * | 2024-04-17 | 2024-07-26 | 杭州瑞利超声科技有限公司 | Infrasonic wave liquid level measuring equipment and liquid level measuring method |
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| CN201874559U (en) * | 2010-07-27 | 2011-06-22 | 岳强 | Automatic liquid-level monitor for infrasonic-wave non-pressure oil well |
| CA2876647C (en) * | 2014-12-30 | 2021-11-09 | Reservoir Management Services, Llc | Fluid level determination apparatus and method of determining a fluid level in a hydrocarbon well |
| CN105909239A (en) * | 2016-07-06 | 2016-08-31 | 沈阳新石科技有限公司 | Multifunctional automatic oil well liquid level monitoring device |
| CN206681724U (en) * | 2017-04-14 | 2017-11-28 | 西安海联石化科技有限公司 | Integrated oil well performance liquid surface measuring device |
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