CN105298471A - Continuous remote monitoring system for dynamic liquid level of oil well - Google Patents
Continuous remote monitoring system for dynamic liquid level of oil well Download PDFInfo
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- CN105298471A CN105298471A CN201410728728.6A CN201410728728A CN105298471A CN 105298471 A CN105298471 A CN 105298471A CN 201410728728 A CN201410728728 A CN 201410728728A CN 105298471 A CN105298471 A CN 105298471A
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Abstract
A continuous remote monitoring system for dynamic fluid level of an oil well comprises a remote liquid level measuring unit, a central wireless transceiving unit and a central control unit. The remote liquid level measuring unit is mounted on a wellhead of the oil well, the central wireless transceiving unit and the central control unit are connected, the central control unit is connected with a computer, the remote liquid level measuring unit is connected withe central wireless transceiving unit through wireless signals, the remote liquid level measuring unit comprises a sounding device, an echo wave collection module, a wireless transceiving module and a CPU (central processing unit), the echo wave collection module comprises a microphone which is disposed in an airtight cavity, and the airtight cavity is connected with the wellhead through a fixed-length air pipe. The wireless transceiving module of the remote liquid level measuring unit sends out information collected by the echo wave collection module and stored in a storer through control of the CPU, the information is received, sent to the central control unit by the central wireless transceiving unit and displayed on a computer connected with the central control unit, and remote continuous dynamic liquid level monitoring is realized.
Description
Technical field
The present invention relates to a kind of well fluid level monitoring system, particularly a kind of well fluid level continuous remote monitoring system.
Background technology
Devote exclusive attention to output in field produces and overall efficiency to maximize be the target of oil field development, and the fluid supply capacity on stratum restricts the basic factor of realizing this goal, grasp stratum fluid supply capacity so understand and scientifically utilized, just becoming unavoidable problem in managemet of the developmet of oilfeild activity.Well fluid level is the important indicator of reaction stratum fluid supply capacity, its measuring method has following several: one, utilize logger, down-hole sensor installation utilize working rig can reclaim sensor to calculate producing fluid level again, the producing fluid level of such measurement is more accurate, but poor real, instrument and operating cost are very high, do not possess promotional value; Two, utilize echometer technology, work mobile detection apparatus periodic measurement producing fluid level is measured by oil recovery factory, this is a kind of way of generally taking of each oil field domestic at present, and advantage is that producing fluid level relative accuracy is high, and shortcoming to obtain real-time data, because sound production medium uses without bullet powder bullet or nitrogen cylinder sound bullet, work has certain danger, and cost is higher, is difficult to long-time continuous test; Three, oil wells in field installs electric air gun, electronic nitrogen cylinder, so on the contrary achieve continuous print on-line measurement, but the cost of equipment of oil well several ten thousand yuan, also such technology is made to be difficult to generally use, and audible device easily goes wrong at the scene, within one hour, sounding once all cannot realize sometimes; Four, indicator card is utilized to calculate the technology of producing fluid level, producing fluid level data can be obtained in real time, but the test data of echometer can't be left completely, especially the producing fluid level extrapolated for the first time, the Data correction of needs and echometer, then also will correct at interval of certain hour again, producing fluid level data relative error is comparatively large, and error rate is generally about 10%; Five, utilize well casing gas expansion principle of sound to obtain sound source, advantage does not need additionally to provide the energy, and shortcoming cannot measure for without cover kill-job; Six, automatically controlled generation, utilizes electrion principle, ionizes sheath gas, and produce blast sounding, the advantage of the method produces sound wave with electric energy, and easily realize Automatic continuous and measure, compact conformation volume is little, and shortcoming is that the oil well higher to casing pressure is not easily ignited; Seven, gas explosion occurs, and utilizes gases at high pressure to exit instantaneously and produces infrasound as measurement sound source; Above metering system is all independently when implementing, and cannot realize remote monitoring, control centre cannot obtain real-time measuring data, awaits technological improvement.
Content of the present invention
Measuring to obtain remote monitoring Automatic continuous, the invention provides a kind of well fluid level continuous remote monitoring system.
The technical solution used in the present invention is: a kind of well fluid level continuous remote monitoring system, it is characterized in that comprising remote liquid level measuring unit, center wireless transmit/receive units and centralized control unit; Remote liquid level measuring unit is installed on the well head of oil well; Center wireless transmit/receive units is connected with centralized control unit, center
Control unit connects computer, and remote liquid level measuring unit is connected by wireless signal with center wireless transmit/receive units; Remote liquid level measuring unit is provided with sounding device, echo acquirement module, radio receiving transmitting module, CPU and memory, echo acquirement module is provided with microphone, microphone is connected with A/D converter, CPU is connected with A/D converter, sounding device, radio receiving transmitting module, memory, microphone is placed in a closed chamber, and closed chamber is connected with well head by a regular length tracheae.
Described sounding device is automatically controlled sounding device or gas explosion sounding device.
Described automatically controlled sounding device is provided with dc source, and dc source is connected with high-voltage inverter, and high-voltage inverter is connected with rectifier, rectifier is connected with storage capacitor, storage capacitor is connected with excitation control circuit, and excitation control circuit is connected with ignition coil, and ignition coil is connected with sparking electrode.
Described gas explosion sounding device is provided with micro air pump, and micro air pump is connected with gas receiver, and gas receiver is connected with electromagnetic valve, and electromagnetic valve is connected with tracheae, and micro air pump and electromagnetic valve are connected with control unit.
Described gas receiver is connected with temperature collect module and pressure acquisition module, and temperature collect module is connected with CPU with pressure acquisition module.
Described radio receiving transmitting module is GPRS/GSM communication module.
Described center wireless transmit/receive units is that GSM/GPRS transceiver module is provided with SIM card, SIM card holder, antenna, power supply and communication interface.
Described communication interface and computer, computer connecting Internet.
The information being stored in memory of echo acquirement module acquires controls to send through CPU by the radio receiving transmitting module of remote liquid level measuring unit of the present invention, received by center wireless transmit/receive units and deliver to centralized control unit, and show on the computer of centralized control unit connection, realize remote monitoring, gas explosion sounding device is provided with micro air pump and gas receiver can realize the test of continuous sounding.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is remote liquid level measuring unit structural representation of the present invention;
Fig. 3 is the automatically controlled sounding device structural representation of the present invention;
Fig. 4 is gas explosion sounding device structural representation of the present invention;
Fig. 5 is microphone closed chamber structural representation of the present invention.
Detailed description of the invention
The invention process is such as shown in Fig. 1 to 5, and this well fluid level continuous remote monitoring system comprises remote liquid level measuring unit, center wireless transmit/receive units and centralized control unit; Remote liquid level measuring unit is installed on the well head of oil well, for data acquisition and transmission; Center wireless transmit/receive units is connected with centralized control unit, and centralized control unit connects computer, and remote liquid level measuring unit is connected by wireless signal with center wireless transmit/receive units, the monitoring liquid level that computer can be real-time; Remote liquid level measuring unit is provided with sounding dress
Put, echo acquirement module, radio receiving transmitting module and CPU, echo acquirement module is provided with microphone 1 for sound collecting, microphone 1 is connected with A/D converter and converts analog signal to data signal, A/D converter is connected memory data signal being dumped to and be connected with CPU with CPU, CPU is connected with sounding device, radio receiving transmitting module for controlling sounding and information transmission simultaneously, and the information being stored in memory of echo acquirement module acquires controls to send through CPU by radio receiving transmitting module; Microphone 1 is placed in a closed chamber 2, closed chamber 2 is connected with well head 4 by a regular length tracheae 3, sounding device sounding produce power, in fixed length tracheae 3, form regular, continuous print waveform beat, beat the peak time difference by extracting, can obtain the velocity of sound with air tubing length divided by the time difference, accuracy rate, 99.5%, adopts fixed length tracheae to solve the technical barrier that in oil well liquid level measurement, the velocity of sound cannot correctly be extracted; Sounding device adopts automatically controlled sounding device or gas explosion sounding device according to the dissimilar of oil well, automatically controlled sounding device is provided with dc source, dc source is connected with high-voltage inverter, high-voltage inverter is connected with rectifier, rectifier is connected with storage capacitor, and storage capacitor is connected with excitation control circuit, and excitation control circuit is connected with ignition coil, ignition coil is connected with sparking electrode, can realize continuous sounding and measure; Gas explosion sounding device is provided with air pump, air pump is connected with gas receiver, gas receiver is connected with electromagnetic valve, electromagnetic valve is connected with tracheae, and air pump and electromagnetic valve are connected with control unit, and air pump can be miniature, because air pump and arranging of gas receiver can carry out continuous sounding measurement, and connecting temperature collect module and pressure acquisition module at gas receiver, temperature collect module is connected with CPU with pressure acquisition module, ensures that it runs under the pressure and temperature of safety; Radio receiving transmitting module is GPRS/GSM communication module, module is furnished with the corresponding phone number of SIM card, sends and receive for information; Center wireless transmit/receive units is that GSM/GPRS transceiver module is provided with SIM card, SIM card holder, antenna, power supply and communication interface, the information that remote liquid level measuring unit radio receiving transmitting module sends can be received, and information is communicated information to centralized control unit by communication interface, centralized control unit can be a CPU processor, centralized control unit is connected to computer and the information monitored is shown on computers, realizes remote monitoring and continuity is good.
During enforcement, wireless transmit/receive units communication interface in center also can directly be connected with computer, at computer place display monitoring information; Implement computer-chronograph can realize transmitting with upper level control centre data by connecting Internet.
Claims (8)
1. a well fluid level continuous remote monitoring system, is characterized in that comprising remote liquid level measuring unit, center wireless transmit/receive units and centralized control unit; Remote liquid level measuring unit is installed on the well head of oil well; Center wireless transmit/receive units is connected with centralized control unit, and centralized control unit connects computer, and remote liquid level measuring unit is connected by wireless signal with center wireless transmit/receive units; Remote liquid level measuring unit is provided with sounding device, echo acquirement module, radio receiving transmitting module, CPU and memory, echo acquirement module is provided with microphone, microphone is connected with A/D converter, A/D converter, CPU is connected with A/D converter, sounding device, radio receiving transmitting module, memory, microphone is placed in a closed chamber, and closed chamber is connected with well head by a regular length tracheae.
2. well fluid level continuous remote monitoring system according to claim 1, is characterized in that described sounding device is automatically controlled sounding device or gas explosion sounding device.
3. well fluid level continuous remote monitoring system according to claim 2, it is characterized in that described automatically controlled sounding device is provided with dc source, dc source is connected with high-voltage inverter, high-voltage inverter is connected with rectifier, rectifier is connected with storage capacitor, storage capacitor is connected with excitation control circuit, and excitation control circuit is connected with ignition coil, and ignition coil is connected with sparking electrode.
4. well fluid level continuous remote monitoring system according to claim 2, it is characterized in that described gas explosion sounding device is provided with micro air pump, micro air pump is connected with gas receiver, and gas receiver is connected with electromagnetic valve, electromagnetic valve is connected with tracheae, and micro air pump and electromagnetic valve are connected with control unit.
5. well fluid level continuous remote monitoring system according to claim 4, it is characterized in that described gas receiver is connected with temperature collect module and pressure acquisition module, temperature collect module is connected with CPU with pressure acquisition module.
6. well fluid level continuous remote monitoring system according to claim 1, is characterized in that described radio receiving transmitting module is GPRS/GSM communication module.
7. well fluid level continuous remote monitoring system according to claim 1, is characterized in that described center wireless transmit/receive units is that GSM/GPRS transceiver module is provided with SIM card, SIM card holder, antenna, power supply and communication interface.
8. well fluid level continuous remote monitoring system according to claim 7, is characterized in that described communication interface and computer, computer connecting Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728728.6A CN105298471A (en) | 2014-12-04 | 2014-12-04 | Continuous remote monitoring system for dynamic liquid level of oil well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410728728.6A CN105298471A (en) | 2014-12-04 | 2014-12-04 | Continuous remote monitoring system for dynamic liquid level of oil well |
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| CN105298471A true CN105298471A (en) | 2016-02-03 |
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| CN201410728728.6A Pending CN105298471A (en) | 2014-12-04 | 2014-12-04 | Continuous remote monitoring system for dynamic liquid level of oil well |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913105A (en) * | 2016-04-07 | 2016-08-31 | 哈尔滨工业大学 | Special electronic label of intelligent injection allocator for water injection well |
| CN108487901A (en) * | 2018-05-23 | 2018-09-04 | 大庆市亿动科技有限公司 | Oil well multi-functional automatic liquid level monitor based on velocity of sound sensor |
| CN106777709B (en) * | 2016-12-21 | 2018-11-06 | 中国石油大学(华东) | The method that the submerged electric oil pump well hydrodynamic face of electrical parameter calculates is surveyed based on ground |
| CN110397435A (en) * | 2018-04-25 | 2019-11-01 | 中国石油天然气股份有限公司 | Sounding device and method |
| 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 |
-
2014
- 2014-12-04 CN CN201410728728.6A patent/CN105298471A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913105A (en) * | 2016-04-07 | 2016-08-31 | 哈尔滨工业大学 | Special electronic label of intelligent injection allocator for water injection well |
| CN106777709B (en) * | 2016-12-21 | 2018-11-06 | 中国石油大学(华东) | The method that the submerged electric oil pump well hydrodynamic face of electrical parameter calculates is surveyed based on ground |
| CN110397435A (en) * | 2018-04-25 | 2019-11-01 | 中国石油天然气股份有限公司 | Sounding device and method |
| 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 |
| CN108487901A (en) * | 2018-05-23 | 2018-09-04 | 大庆市亿动科技有限公司 | Oil well multi-functional automatic liquid level monitor based on velocity of sound sensor |
| 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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Application publication date: 20160203 |