CN202788806U - Oil well liquid level depth on-line automatic monitoring device - Google Patents
Oil well liquid level depth on-line automatic monitoring device Download PDFInfo
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- CN202788806U CN202788806U CN 201220390587 CN201220390587U CN202788806U CN 202788806 U CN202788806 U CN 202788806U CN 201220390587 CN201220390587 CN 201220390587 CN 201220390587 U CN201220390587 U CN 201220390587U CN 202788806 U CN202788806 U CN 202788806U
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Abstract
The utility model discloses an oil well liquid level depth on-line automatic monitoring device which comprises a signal generation receiver, a signal processing control center and a pipeline sound transmission mechanism, wherein the signal generation receiver is located in an oil well derrick and used for transmitting a preset signal to a wellhead of an oil well to be detected, and the signal generation receiver receives a corresponding oil well reflected signal; the signal processing control center is used for controlling the work of the signal generation receiver and processing the corresponding oil well reflected signal received by the signal generation receiver on the basis of the corresponding oil well reflected signal, and the signal processing control center carries out local or remote monitoring of the oil well to be detected through production dispatching or network terminals on the basis of obtained processing results; the pipeline sound transmission mechanism is arranged between the wellhead of the oil well to be detected and the signal generation receiver in a matched mode; and the signal generation receiver and the signal processing control center are connected in a wired and /or wireless mode. The oil well liquid level depth on-line automatic monitoring device can overcome the shortcomings in the prior art that detection coverage is low, accuracy is poor, use and repair of a well are inconvenient, and safety is poor and the like, and has the advantages that detection coverage is high, accuracy is good, use and repair of the well are convenient, safety is good, and cost is low.
Description
Technical field
The utility model relates to the oilfield engineering technical field, particularly, relates to a kind of oil-well level online auto monitoring device.
Background technology
At present, aspect the oilfield liquid level test, generally divide three kinds of modes, that is: mobile test, build-up of fluid test (be generally the someone and guard monitoring 7-15 days), and be installed in for a long time the well head real-time testing.
In the existing liquid level real time monitoring that is installed in for a long time the well site, generally be that monitoring device is installed in well head, adopt casing gas to make sound source (pressure〉more than the 0.5Mp) and carry out the on-line continuous test; Or utilize nitrogen cylinder to make external sound source, the monitoring oil-well level.The former shortcoming is: very large on test result impact when oil well casing air pressure is unstable, and particularly run into air pressure lower (being lower than 0.5Mp) oil well and just can't carry out liquid level gauging when darker again; The latter because needs are worn gas cylinder, and often need to take a breath, inflate to gas cylinder, and tangible line monitoring brings a lot of troubles when giving.
In patent (application) number is 201020622047.9 utility model patent (application), although installed electric air pump additional, applicable casing pressure scope is less, and the oil well test coverage scale is lower, add that testing arrangement all is contained in well head, not only makes troubles to workover treatment; Simultaneously, because well logging apparatus passes into high-low voltage, also bring certain danger to workover treatment.
In realizing process of the present utility model, the inventor finds to exist at least in the prior art that test coverage is low, poor accuracy, use and well workover is inconvenient and the defectives such as poor stability.
Summary of the invention
The purpose of this utility model is, for the problems referred to above, proposes a kind of oil-well level online auto monitoring device, with realize that test coverage is high, accuracy is good, use and well workover is convenient, safety is good and cost is low advantage.
For achieving the above object, the technical solution adopted in the utility model is: a kind of oil-well level online auto monitoring device, comprise and being placed in the oil-well derrick, and be used for to the well head emission preset signals of oil well to be measured and receive the signal generation receiver of corresponding oil well reflected signal, be used for controlling described signal generation receiver operation, receiving the gained reflected signal based on signal generation receiver processes, and carry out the signal processing controls center that Local or Remote is monitored oil well to be measured based on the gained result by production scheduling or the network terminal, and be equipped with the transaudient mechanism of pipeline between well mouth of oil well to be measured and signal generation receiver; Described signal generation receiver is with the wired and/or wireless connections in signal processing controls center.
Further, when oil well to be measured was a bite oil well, the transaudient mechanism of described pipeline comprised a transaudient pipeline that is arranged between oil well to be measured and the described signal generation receiver; One end of a described transaudient pipeline is connected with the well head of oil well to be measured, and the other end is connected with the gas vent of described signal generation receiver.
Further, when oil well to be measured is many mouthfuls of oil wells, the transaudient mechanism of described pipeline, comprise and signal distributor that the gas vent of described signal generation receiver is connected and the outlet that is arranged on oil well to be measured and described signal distributor between transaudient pipeline group;
Described transaudient pipeline group, the quantity that comprises quantity and oil well to be measured be complementary and the parallel corresponding outlet that is arranged on oil well to be measured and described signal distributor between branched transaudient pipeline.
Further, described signal distributor, the high-voltage signal guide pipe group that comprises that entrance is connected with the outlet of described signal generation receiver and be connected with corresponding transaudient pipeline respectively with a plurality of outlets that branched transaudient pipeline is complementary, and between the entrance of described high-voltage signal guide pipe group and corresponding transaudient pipeline and cooperate a plurality of branch roads control electrically-controlled valve on the corresponding export pipeline that is installed in high-voltage signal guide pipe group.
Further, described signal generation receiver, comprise the admission pipe that is connected with well head, be connected with described admission pipe and be used for by gas in the admission pipe suction well and the high-pressure booster that compresses, be connected, be used for receiving the plenum chamber of the rear gases at high pressure of compression with described high-pressure booster, be arranged on the rifle body between the transaudient mechanism of described plenum chamber and pipeline, and cooperate and to be installed on the described rifle body and to be used for the microphone that receives oil well liquid level reflective sound wave signal to be measured and be sent to signal processing controls center.
Further, on described high-pressure booster, cooperate the high-voltage output end pressure sensor is installed.
Further, match with described admission pipe, be provided with pressure sensor.
Further, match with described plenum chamber, be provided with the high-pressure electric control valve that communicates with plenum chamber.
The oil-well level online auto monitoring device of each embodiment of the utility model, owing to comprise and being placed in the oil-well derrick, and be used for to the well head emission preset signals of oil well to be measured and receive the signal generation receiver of corresponding oil well reflected signal, be used for control signal generation receiver operation, receiving the gained reflected signal based on signal generation receiver processes, and carry out the signal processing controls center that Local or Remote is monitored oil well to be measured based on the gained result by production scheduling or the network terminal, and be equipped with the transaudient mechanism of pipeline between well mouth of oil well to be measured and signal generation receiver; Signal generation receiver is with the wired and/or wireless connections in signal processing controls center; The digitlization Automatic continuous that is mainly used in the oilfield liquid level is measured, and can be transmitted into the purpose that terminal reaches remote monitoring by wireless or network, can improve coverage scale and the accuracy rate of oil well test, reduces the trouble of workover treatment and dismounting instrument; Can also overcome the danger that brings because of high and low operating voltage, the disguise that increases simultaneously apparatus installation has improved anti-theft effect, and the machine of can also accomplishing is surveyed many wells, reduction by a relatively large margin cost; Thereby can overcome that test coverage in the prior art is low, poor accuracy, use and well workover is inconvenient and the defective of poor stability, with realize that test coverage is high, accuracy is good, use and well workover is convenient, safety is good and cost is low advantage.
Other features and advantages of the utility model will be set forth in the following description, and, partly from manual, become apparent, perhaps understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and consists of the part of manual, is used from explanation the utility model with embodiment one of the present utility model, does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model oil-well level online auto monitoring device embodiment one (machine is to well surveying examination structure);
Fig. 2 is the structural representation of the utility model oil-well level online auto monitoring device embodiment two (machine is to the multiwell test structures).
By reference to the accompanying drawings 1, Reference numeral is as follows among the utility model embodiment:
The transaudient pipeline of 1-; 2-signal generation receiver; 2a-rifle body; The 2b-admission pipe; The 2c-high-pressure booster; 2e-high pressure escape pipe; 2f-high-voltage output end pressure sensor; The 2g-microphone; The 2h-plenum chamber; 2i-high-pressure electric control valve; The 2k-pressure sensor; 3-signal processing controls center; The 3a-multicore cable; The 2j-pressure meter; The 4-well head.
By reference to the accompanying drawings 2, Reference numeral is as follows among the utility model embodiment:
The transaudient pipeline group of 1-; 1a, 1b, 1c, 1d ... the branched transaudient pipeline of 1n –; 2-signal dispensing controller; 2a-high-voltage signal guide pipe group; 2b1,2b2,2b3,2b4 ... each branch road control electrically-controlled valve of 2bn –; 3-signal generation receiver; 3a-rifle body; The 3b-air inlet pipe; The 3c-high-pressure booster; 3f-high-voltage output end pressure sensor; The 3g-microphone; The 3h-plenum chamber; 3i-high-pressure electric control valve; The 3j-pressure meter; 3e-high pressure escape pipe; 4-signal processing controls center; The 4a-multicore cable; The 5-well group.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment one
According to the utility model embodiment, as shown in Figure 1, provide a kind of oil-well level online auto monitoring device.Present embodiment oil-well level online auto monitoring device, comprise and be placed on oil-well derrick inside or derrick periphery, and be used for to well head (such as well head 4) the emission preset signals of oil well to be measured and receive the signal generation receiver (such as signal generation receiver 2) of corresponding oil well reflected signal, be used for control signal generation receiver operation, receiving the gained reflected signal based on signal generation receiver processes, and carry out Local or Remote based on the gained result by production scheduling or the network terminal and monitor the signal processing controls center of oil well to be measured (such as signal processing controls center 3), and be equipped with the transaudient mechanism of pipeline between well mouth of oil well to be measured and signal generation receiver; Signal generation receiver is with the wired and/or wireless connections in signal processing controls center.
In Fig. 1, oil well to be measured is a bite oil well, and the transaudient mechanism of pipeline comprises a transaudient pipeline (such as transaudient pipeline 1) that is arranged between oil well to be measured and the signal generation receiver; One end of a transaudient pipeline is connected with the well head of oil well to be measured, and the other end is connected with the gas vent of signal generation receiver.This signal generation receiver, comprise the admission pipe that is connected with well head, be connected with admission pipe and be used for by gas in the admission pipe suction well and the high-pressure booster that compresses, be connected, be used for receiving the plenum chamber of the rear gases at high pressure of compression with high-pressure booster, be arranged on the rifle body between the transaudient mechanism of plenum chamber and pipeline, and cooperate and to be installed on the rifle body and to be used for the microphone that receives oil well liquid level reflective sound wave signal to be measured and be sent to signal processing controls center; On high-pressure booster, cooperate the high-voltage output end pressure sensor is installed; Match with admission pipe, be provided with pressure sensor; Match with plenum chamber, be provided with the high-pressure electric control valve that communicates with plenum chamber.
Particularly, in the test structure of a machine shown in Figure 1 (i.e. oil-well level online auto monitoring device) to a well (being a bite oil well), signal generation receiver by high-pressure booster by gas compression in the admission pipe suction well that connects with well head after gases at high pressure enter plenum chamber, wait for that the electrically-controlled valve action produces sound wave (signal generation receiver is positioned in the oil-well derrick, plays to make things convenient for well workover and anti-theft function effect).High-pressure booster work is finished by sending programmed instruction in signal processing controls center, prepare simultaneously and finish at air chamber pressure one and regularly in time open the high-pressure electric control valve generation acoustic signals that links to each other with air chamber, acoustic signals enters well head through transaudient pipeline, received by microphone and the signal that receives is delivered to signal processing controls center processing, calculated the result is transmitted into the network terminal or production scheduling through wireless transmitter module through the sound wave of tubing coupling and liquid level reflection, realize remote monitoring.
In Fig. 1, signal generation receiver 2 is by high-pressure booster 2c, rifle body 2a, and admission pipe 2b, pressure sensor 2k and microphone 2g high-pressure electric control valve 2i and plenum chamber 2h and high pressure escape pipe 2e, high-pressure side pressure sensor 2f consists of.Signal processing controls center 3 is by microphone 2g, high-pressure electric control valve 2i in multicore cable 3a and the signal generation receiver 2, be connected with pressure sensor 2k, the pressure sensor 2f that links to each other with plenum chamber 2h and high-pressure booster 2c that transaudient pipeline 1 is connected.On high-pressure booster 2c, also be provided with pressure meter 2j.
Operating principle embodiment illustrated in fig. 1 is: instruction is sent according to program in signal processing controls center 3, and connect high-pressure booster 2c and work, gather simultaneously the pressure of high-voltage output end pressure sensor 2f, startup high-pressure electric control valve 2i discharges rapidly gases at high pressure after arriving setting value, producing acoustic signals imports in the casing annulus, tubing coupling and liquid level signal through reflection are received and collect in the signal processing controls center 3 by microphone 2g, through the processing to signal, calculate, test result is transmitted into the network terminal or control room by transmitter module, reaches the purpose of remote monitoring.
Embodiment two
According to the utility model embodiment, as shown in Figure 2, provide a kind of oil-well level online auto monitoring device.The oil-well level online auto monitoring device of present embodiment, comprise for to the well head of oil well to be measured emission preset signals and receive the signal generation receiver (such as signal generation receiver 3) of corresponding oil well reflected signal, be used for control signal generation receiver operation, receiving the gained reflected signal based on signal generation receiver processes, and carry out Local or Remote based on the gained result by production scheduling or the network terminal and monitor the signal processing controls center of oil well to be measured (such as 4 signal processing controls centers), and be equipped with the transaudient mechanism of pipeline between well mouth of oil well to be measured and signal generation receiver; Signal generation receiver is with the wired and/or wireless connections in signal processing controls center; Signal generation receiver and signal distributor all are placed on oil-well derrick inside or derrick periphery.
In Fig. 2, oil well to be measured is many mouthfuls of oil wells (such as well groups 5), the transaudient mechanism of pipeline, comprise and signal distributor (such as signal distributor 2) that the gas vent of signal generation receiver is connected and the outlet that is arranged on oil well to be measured and signal distributor between transaudient pipeline group (such as transaudient pipeline group 1); Transaudient pipeline group, the quantity that comprises quantity and oil well to be measured be complementary and the parallel corresponding outlet that is arranged on oil well to be measured and signal distributor between branched transaudient pipeline.For example, this transaudient pipeline group is by the branched transaudient pipeline 1a identical with quilt well logging quantity, 1b, 1c, 1d ... 1n(n is natural number) consist of, transaudient pipeline group one end links to each other with tested well head, the other end then links to each other with signal distributor 2 outlets.
Wherein, above-mentioned signal distributor, the high-voltage signal guide pipe group that comprises that entrance is connected with the outlet of signal generation receiver and be connected with corresponding transaudient pipeline respectively with a plurality of outlets that branched transaudient pipeline is complementary, and between the entrance of high-voltage signal guide pipe group and corresponding transaudient pipeline and cooperate a plurality of branch roads control electrically-controlled valve on the corresponding export pipeline that is installed in high-voltage signal guide pipe group (such as each branch road control electrically-controlled valve 2b1,2b2,2b3,2b4 ... 2bn, n are natural number).Signal generation receiver, comprise the admission pipe that is connected with well head, be connected with admission pipe and be used for by gas in the admission pipe suction well and the high-pressure booster that compresses, be connected, be used for receiving the plenum chamber of the rear gases at high pressure of compression with high-pressure booster, be arranged on the rifle body between the transaudient mechanism of plenum chamber and pipeline, and cooperate and to be installed on the rifle body and to be used for the microphone that receives oil well liquid level reflective sound wave signal to be measured and be sent to signal processing controls center; On high-pressure booster, cooperate the high-voltage output end pressure sensor is installed; Match with admission pipe, be provided with pressure sensor; Match with plenum chamber, be provided with the high-pressure electric control valve that communicates with plenum chamber.
For example, signal distributor 2 is by electrically-controlled valve 2b1, the 2b2,2b3, the 2b4 that are connected respectively with transaudient pipeline ... 2bn links to each other with high-voltage signal guide pipe group 2a.The microphone 3g that signal generation receiver 3 is communicated with it by high-pressure booster 3C and rifle body 3a and high-pressure electric control valve 3i and plenum chamber 3h connect and compose by air inlet pipe 3b and high pressure escape pipe 3e.Signal processing controls center 4 is by the microphone 3g in multicore cable 4a and the signal generation receiver 3, and each branch road of high-pressure electric control valve 3i and signal distributor is controlled electrically-controlled valve 2b1,2b2,2b3,2b4 ... 2bn and pressure sensor 3K link to each other with pressure sensor 3f and high-pressure booster 3C that plenum chamber 2h is communicated with.On high-pressure booster 3c, also be provided with pressure meter 3j.
Particularly, in the integrated test structure of a machine shown in Figure 2 (i.e. oil-well level online auto monitoring device) to many wells (being many mouthfuls of oil wells), signal distributor is made of electrically-controlled valve and the pipeline identical with tested oil well quantity, its high-pressure side links to each other with signal generation receiver, and low-pressure end then links to each other with transaudient pipeline.Signal generation receiver, by high-pressure booster by gas in the admission pipe suction well that is connected with well head, gases at high pressure enter plenum chamber after the compression, wait for that the electrically-controlled valve action produces well logging sound wave, sound wave is received and sends into signal processing controls center by the acoustic signals that transaudient pipeline enters in the well head through tubing coupling and liquid level reflection by microphone, signal processing controls center is treated, after the calculating, be transmitted into the network terminal or control room (signal generation receiver and signal distributor all are positioned in the oil-well derrick, play to make things convenient for well workover and anti-theft function effect) by wireless transmitter module.Signal processing controls center, by sending programmed instruction, finish high-pressure booster work, prepare simultaneously and finish to reach one at air chamber pressure and regularly open the high-pressure electric control valve that links to each other with air chamber and produce tubing coupling and the liquid level signal that acoustic signals and record reception collect through microphone, again acoustic signals processing, the calculating that receives is transmitted into the network terminal or production scheduling by wireless transmitter module, realizes remote monitoring.
Operating principle embodiment illustrated in fig. 2 is: instruction is sent according to the program of finishing in advance in signal processing controls center 4, road electrically-controlled valve 2b1 in the opening signal of switching on the first distributor 2, the simultaneously high-pressure booster 3c work in the initiating signal generator controller 3, and the pressure of collection high-voltage output end pressure sensor 3f, startup high-pressure electric control valve 3i discharges rapidly gases at high pressure generation acoustic signals after arriving setting value, in transaudient pipeline imports the annular space of measured oil casing into, tubing coupling and liquid surface wave signal through reflection are received and collect in the signal processing controls center 4 by microphone 3g, through the processing to signal, calculating is transmitted into the network terminal or control room with test result by transmitter module, reaches the purpose of remote monitoring.
After the First oil well test is complete, begin to carry out second mouthful of oil well test according to the instruction of signal processing controls central program, its process is:
The First oil well branch road of having tested is controlled the valve closing of electrically-controlled valve 2b1, open simultaneously the valve that needs second mouthful of test oil well branch road control electrically-controlled valve 2b2, restarting high-pressure booster 3C starts working, and the pressure of collection high-pressure outlet output end pressure sensor 3f, when reaching setting value, connect high-pressure electric control valve 3i, discharge rapidly the gas in the plenum chamber 3h, the acoustic signals that produces, enter the annular space space of tested casing through transaudient pipeline, tubing coupling through reflecting and liquid surface wave signal are by in microphone 3g reception and the collected signal processing controls center 4, and be treated, calculating is transmitted into the network terminal or control room with test result.
Repeat said process and can measure the 3rd mouthful of oil well, four-hole oil well ... the level of n mouth oil well reaches a machine and surveys many wells, namely reduces the purpose that cost can be realized again remote centralized control.
The utility model relates to the oil-well level online auto monitoring device of the various embodiments described above, is suitable for the various oil wells of pressing with no pressure that have, and utilizes the casing high pressure gas test oil-well level of this oil-well level online auto monitoring device self compression.This oil-well level online auto monitoring device; comprise transaudient pipeline; signal distributor; signal generation receiver and signal processing controls center; can signal distributor and signal receiver be installed in the derrick of pithead position away from by transaudient pipeline; not only make things convenient for oil well operation; reduce the danger that height voltage brings; played certain protective effect to primary instrument is antitheft simultaneously; owing to installed signal distributor additional; the machine of having realized is surveyed the Centralized Monitoring purpose of many wells; greatly reduce automatic test cost of investment; filled up automation; the blank of digitlization oil field liquid level online auto monitoring project, this project is widely used in the oil field becomes possibility.
In sum, the oil-well level online auto monitoring device of the utility model the various embodiments described above, belong to the oilfield engineering technical field, be mainly used in oil field automation, can realize the Automatic continuous measurement of oil field digitlization oil well liquid level, be transmitted into the purpose that terminal reaches remote monitoring by wireless or network; This oil-well level online auto monitoring device can reach following beneficial effect at least:
⑴ need not dismantle testing arrangement during workover treatment, overcome the hazards of bringing because of high and low pressure, increase the disguise of apparatus installation, improve anti-theft effect;
⑵ decrease cost is surveyed a well by a machine and is realized that a machine surveys many wells and realize Centralized Monitorings, makes promoting to for may of this technology;
⑶ improve coverage scale, the accuracy of test oil well.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. oil-well level online auto monitoring device, it is characterized in that, comprise and being placed in the oil-well derrick, and be used for to the well head emission preset signals of oil well to be measured and receive the signal generation receiver of corresponding oil well reflected signal, be used for controlling described signal generation receiver operation, receiving the gained reflected signal based on signal generation receiver processes, and carry out the signal processing controls center that Local or Remote is monitored oil well to be measured based on the gained result by production scheduling or the network terminal, and be equipped with the transaudient mechanism of pipeline between well mouth of oil well to be measured and signal generation receiver; Described signal generation receiver is with the wired and/or wireless connections in signal processing controls center.
2. oil-well level online auto monitoring device according to claim 1 is characterized in that, when oil well to be measured was a bite oil well, the transaudient mechanism of described pipeline comprised a transaudient pipeline that is arranged between oil well to be measured and the described signal generation receiver; One end of a described transaudient pipeline is connected with the well head of oil well to be measured, and the other end is connected with the gas vent of described signal generation receiver.
3. oil-well level online auto monitoring device according to claim 1, it is characterized in that, when oil well to be measured is many mouthfuls of oil wells, the transaudient mechanism of described pipeline, comprise and signal distributor that the gas vent of described signal generation receiver is connected and the outlet that is arranged on oil well to be measured and described signal distributor between transaudient pipeline group;
Described transaudient pipeline group, the quantity that comprises quantity and oil well to be measured be complementary and the parallel corresponding outlet that is arranged on oil well to be measured and described signal distributor between branched transaudient pipeline.
4. oil-well level online auto monitoring device according to claim 3, it is characterized in that, described signal distributor, the high-voltage signal guide pipe group that comprises that entrance is connected with the outlet of described signal generation receiver and be connected with corresponding transaudient pipeline respectively with a plurality of outlets that branched transaudient pipeline is complementary, and between the entrance of described high-voltage signal guide pipe group and corresponding transaudient pipeline and cooperate a plurality of branch roads control electrically-controlled valve on the corresponding export pipeline that is installed in high-voltage signal guide pipe group.
5. each described oil-well level online auto monitoring device according to claim 1-4, it is characterized in that, described signal generation receiver, comprise the admission pipe that is connected with well head, be connected with described admission pipe, and be used for by gas in the admission pipe suction well and the high-pressure booster that compresses, be connected with described high-pressure booster, be used for receiving the plenum chamber of the rear gases at high pressure of compression, be arranged on the rifle body between the transaudient mechanism of described plenum chamber and pipeline, and cooperation is installed on the described rifle body, and be used for receiving oil well liquid level reflective sound wave signal to be measured and be sent to the microphone at signal processing controls center.
6. oil-well level online auto monitoring device according to claim 5 is characterized in that, on described high-pressure booster, cooperates the high-voltage output end pressure sensor is installed.
7. oil-well level online auto monitoring device according to claim 6 is characterized in that, matches with described admission pipe, is provided with pressure sensor.
8. oil-well level online auto monitoring device according to claim 7 is characterized in that, matches with described plenum chamber, is provided with the high-pressure electric control valve that communicates with plenum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220390587 CN202788806U (en) | 2012-08-08 | 2012-08-08 | Oil well liquid level depth on-line automatic monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220390587 CN202788806U (en) | 2012-08-08 | 2012-08-08 | Oil well liquid level depth on-line automatic monitoring device |
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| CN202788806U true CN202788806U (en) | 2013-03-13 |
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| CN 201220390587 Expired - Lifetime CN202788806U (en) | 2012-08-08 | 2012-08-08 | Oil well liquid level depth on-line automatic monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090620A (en) * | 2016-08-23 | 2016-11-09 | 浙江天地人科技有限公司 | A kind of gas pipeline |
| CN106837305A (en) * | 2016-12-28 | 2017-06-13 | 中国石油天然气股份有限公司 | The method and apparatus for determining pumpingh well underground level |
| CN106869906A (en) * | 2017-02-24 | 2017-06-20 | 沈阳新石科技有限公司 | A kind of oil well liquid level automated watch-keeping facility, method and system |
-
2012
- 2012-08-08 CN CN 201220390587 patent/CN202788806U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090620A (en) * | 2016-08-23 | 2016-11-09 | 浙江天地人科技有限公司 | A kind of gas pipeline |
| CN106837305A (en) * | 2016-12-28 | 2017-06-13 | 中国石油天然气股份有限公司 | The method and apparatus for determining pumpingh well underground level |
| CN106837305B (en) * | 2016-12-28 | 2020-06-09 | 中国石油天然气股份有限公司 | Method and device for determining underground liquid level depth of pumping well |
| CN106869906A (en) * | 2017-02-24 | 2017-06-20 | 沈阳新石科技有限公司 | A kind of oil well liquid level automated watch-keeping facility, method and system |
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