CN112727449A - Automatic monitor for liquid level of sound source oil well - Google Patents
Automatic monitor for liquid level of sound source oil well Download PDFInfo
- Publication number
- CN112727449A CN112727449A CN202110365181.8A CN202110365181A CN112727449A CN 112727449 A CN112727449 A CN 112727449A CN 202110365181 A CN202110365181 A CN 202110365181A CN 112727449 A CN112727449 A CN 112727449A
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- fixing ring
- piston
- iron core
- liquid level
- oil well
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- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 239000003129 oil well Substances 0.000 title claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 230000030279 gene silencing Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses an automatic monitor for the liquid level of an acoustic source oil well, which belongs to the technical field of oil well liquid level monitoring and comprises an outer cylinder, a microphone, an electromagnetic driving piece and a control circuit board; the front end of the outer cylinder body is provided with a sleeve joint, a plugging plate is arranged in the outer cylinder body, and the rear side of the plugging plate is provided with a nozzle communicated with the sleeve joint; the microphone is fixed on the front side of the plugging plate; the electromagnetic driving piece comprises a fixing ring, a coil, a static iron core, a movable iron core, a piston and a spring, the fixing ring is arranged behind the blocking plate, the coil is wound outside the fixing ring, the static iron core is fixedly inserted into the rear part of the fixing ring, the movable iron core is movably inserted into the front part of the fixing ring, a piston cavity is formed between the blocking plate and the fixing ring, the piston is fixed at the front end of the movable iron core and is matched in the piston cavity, and the spring is supported between the fixing ring and the piston and is sleeved outside the movable iron core; the control circuit board is arranged at the rear side of the fixing ring and is respectively and electrically connected with the microphone and the coil. The invention can avoid the outward gas emission during the test.
Description
Technical Field
The invention relates to the technical field of oil well liquid level monitoring, in particular to an automatic sound source oil well liquid level monitor.
Background
The working fluid level depth parameter of the oil well is known as the pulse of the oil well. In the production process of the oil well, the working fluid of the oil well has important significance for improving the oil extraction efficiency and guaranteeing the operation safety of equipment, parameters such as the geological storage capacity of the reaction oil field, production planning and the like can be obtained by measuring the position of the dynamic liquid level, and the working fluid is also an important basis for determining the production capacity of the oil well and selecting the production mode.
The automatic monitor for the liquid level of the acoustic source oil well is designed for monitoring the data of the working fluid level in the well, and the working principle is as follows: during measurement, the electromagnetic valve is started to deflate to generate infrasonic waves as a measurement sound source, the sound source is transmitted to the underground through a gas medium between the oil pipe and the casing, infrasonic echoes are generated when the casing collar and the liquid level barrier are met, and the distance between the sound source and the barrier can be calculated as long as the time from the barrier to the sound source is detected.
Present sound source oil well liquid level automatic monitoring appearance can outwards discharge gas when normally testing, on the one hand, the sleeve pipe annulus is interior probably to contain inflammable and explosive associated gas, outwards discharge associated gas and air contact have the risk of exploding, on the other hand, when meetting the condition that the casing pressure is higher and the liquid level is undulant big, oil concentration is higher in the associated gas, test equipment and casing mouth temperature generally can be than downhole low, along with the lapse of time, oil gas can form the condensate liquid at the casing mouth, can take a small amount of liquid during the exhaust gas, handle improper equipment outward appearance and well head that will pollute, and can bring the environmental protection risk from this.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an automatic monitor for the liquid level of an acoustic source oil well, which is used for avoiding the outward emission of gas during testing.
The invention provides an automatic monitor for the liquid level of a sound source oil well, which comprises: the front end of the outer cylinder body is provided with a sleeve joint, one end, close to the sleeve joint, in the outer cylinder body is provided with a plugging plate, the central position of the rear side of the plugging plate is provided with a nozzle, and a channel for communicating the nozzle with the sleeve joint is arranged in the plugging plate; the microphone is fixed on the front side of the plugging plate; the electromagnetic driving part comprises a fixing ring, a coil, a static iron core, a movable iron core, a piston and a spring, the fixing ring is arranged behind the blocking plate and fixed in the outer cylinder body, the coil is wound outside the fixing ring, the static iron core is fixedly inserted into the rear part of the fixing ring, the movable iron core is movably inserted into the front part of the fixing ring, a piston cavity is formed in the outer cylinder body between the blocking plate and the fixing ring, the piston is fixed at the front end of the movable iron core and is adaptive to the piston cavity, the piston cavity is divided into a front cavity and a rear cavity through the piston, the rear cavity is communicated with the outside, and the spring is supported between the fixing ring and the piston and is sleeved outside the movable iron core; and the control circuit board is arranged on the rear side of the fixing ring and is respectively electrically connected with the microphone and the coil.
Furthermore, a silencing ring is arranged between the outer peripheral surface of the fixing ring and the inner peripheral surface of the outer cylinder body, the silencing ring is made of silencing materials, and a plurality of silencing holes penetrating through the silencing ring from front to back are distributed in the circumferential direction.
Furthermore, the rear end of the outer cylinder body is provided with a rear cover, and the rear cover is provided with a vent hole.
Further, the bottom of outer barrel is provided with the outage, the outage passes through the screw shutoff.
Furthermore, the liquid discharge hole is arranged close to the plugging plate, and the sleeve joint is provided with a valve close to the front end of the sleeve joint.
Further, a pressure sensor is further installed on the front side of the blocking plate, and the pressure sensor is electrically connected with the control circuit board.
Furthermore, the rear end of the fixing ring is provided with a plurality of connecting holes, through holes are formed in the control circuit board corresponding to the connecting holes, the connecting holes and the through holes are connected through bolts, and supporting sleeves supported between the control circuit board and the fixing ring are sleeved on the bolts.
Further, the rear side central point of shutoff board puts and is provided with first mounting groove, the nozzle embedding install in the first mounting groove, and the first mounting groove of rear end protrusion of nozzle, the central point of piston front side puts and is provided with the second mounting groove, the embedding is installed rubber shutoff piece in the second mounting groove, the front end protrusion second mounting groove of rubber shutoff piece, the piston pass through rubber shutoff piece with the nozzle meets.
The invention has the beneficial effects that:
the utility model discloses a casing joint communicates with the annular space between oil well casing and the oil pipe, under normal condition, the piston supports tightly and blocks up the rear end of nozzle under the effect of spring, during the test, control circuit board control coil circular telegram, quiet iron core and movable iron core magnetic adsorption in the twinkling of an eye, movable iron core drives the piston and moves backward and opens the nozzle, in the process that the piston moved backward, the spring is compressed, the gas in the rear chamber of piston chamber outwards discharges, the gas in the casing annular space gets into the front chamber of piston chamber, the gas in casing annular space upper end expands in the twinkling of an eye and produces the infrasonic wave, the infrasonic wave propagates to the pit through the gaseous medium between oil pipe and casing, when meeting casing coupling, liquid level barrier, produce the infrasonic echo, detect the time that the infrasonic echo passes from barrier to sound source department through the microphone, alright calculate the distance between sound source and the barrier, after the detection is accomplished, control circuit board control coil outage, the magnetic force of the static iron core and the movable iron core disappears, the spring pushes the piston forwards to reset, and the gas in the cavity behind the piston cavity is pressed back into the sleeve until the nozzle is plugged again by the piston.
Consequently, this application is at the in-process that detects, and the internal spun gaseous preceding cavity that gets into the piston chamber of cover detects and is pressed the sleeve pipe again after accomplishing, and whole process can not outwards discharge gas, has avoided outwards discharge gas to cause the risk of explosion to, gaseous being pressed back behind the sleeve pipe, a small amount of liquid deposit that the gas blowout carried only need regularly discharge in the preceding cavity in piston chamber, can not cause the pollution to the external environment.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention in a normal state;
fig. 2 is a schematic structural diagram of the embodiment of the invention in a test state.
In the drawings, 100-outer cylinder; 110-casing joint; 120-plugging plate; 121-a nozzle; 122-channel; 123-a first mounting groove; 130-a piston cavity; 131-a front chamber; 132-a rear chamber; 140-rear cover; 141-a vent hole; 200-a microphone; 300-an electromagnetic drive; 310-a fixed ring; 320-coil; 330-static iron core; 340-a movable iron core; 350-a piston; 351-a second mounting groove; 352-rubber plugging block; 360-spring; 400-a control circuit board; 410-connecting hole; 420-perforating; 430-bolt; 440-a support sleeve; 500-a sound-deadening ring; 510-a silencing hole; 610-drain holes; 620-screw plugging; 630-a valve; 700-pressure sensor.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 and 2, an embodiment of the present invention provides an automatic monitor for the liquid level of an acoustic source oil well, which includes an outer cylinder 100, a microphone 200, an electromagnetic driving element 300, and a control circuit board 400.
The front end of the outer cylinder 100 is provided with a casing joint 110, one end of the outer cylinder 100 close to the casing joint 110 is provided with a plugging plate 120, the central position of the rear side of the plugging plate 120 is provided with a nozzle 121, and the plugging plate 120 is provided with a passage 122 communicating the nozzle 121 and the casing joint 110.
A microphone 200 is affixed to the front side of the blanking plate 120 for detecting infrasonic echoes reflected from within the casing.
The electromagnetic driving member 300 comprises a fixing ring 310, a coil 320, a stationary core 330, a movable core 340, a piston 350 and a spring 360, wherein the fixing ring 310 is arranged behind the blocking plate 120 and fixed in the outer cylinder 100, the coil 320 is wound outside the fixing ring 310, the stationary core 330 is fixedly inserted in the rear part of the fixing ring 310, the movable core 340 is movably inserted in the front part of the fixing ring 310, a piston cavity 130 is formed in the outer cylinder 100 between the blocking plate 120 and the fixing ring 310, the piston 350 is fixed at the front end of the movable core 340 and adapted in the piston cavity 130, the piston cavity 130 is divided into a front cavity 131 and a rear cavity 132 by the piston 350, the rear cavity 132 is communicated with the outside, and the spring 360 is supported between the fixing ring 310 and the piston 350 and sleeved outside the movable core 340.
The control circuit board 400 is mounted on the rear side of the fixing ring 310, the control circuit board 400 is electrically connected with the microphone 200 and the coil 320, specifically, the rear end of the fixing ring 310 is provided with a plurality of connecting holes 410, the control circuit board 400 is provided with through holes 420 corresponding to the connecting holes 410, the connecting holes 410 and the through holes 420 are connected through bolts 430, and the bolts 430 are sleeved with support sleeves 440 supported between the control circuit board 400 and the fixing ring 310, so that the control circuit board 400 is mounted conveniently, and heat dissipation is facilitated.
In the application, the casing joint 110 is communicated with the annulus between the oil well casing and the oil pipe, in a normal state, referring to fig. 1, the piston 350 is abutted against and blocks the rear end of the nozzle 121 under the action of the spring 360, in the test, referring to fig. 2, the control circuit board 400 controls the coil 320 to be electrified, the static iron core 330 and the movable iron core 340 are subjected to instantaneous magnetic adsorption, the movable iron core 340 drives the piston 350 to move backwards and open the nozzle 121, in the backward moving process of the piston 350, the spring 360 is compressed, the gas in the rear cavity 132 of the piston cavity 130 is discharged outwards, the gas in the casing annulus enters the front cavity 131 of the piston cavity 130, the gas at the upper end of the casing annulus expands instantaneously to generate infrasonic wave which is transmitted downwards through a gas medium between the oil pipe and the casing, when a casing collar and a liquid level obstacle are encountered, infrasonic echo is generated, the time spent by the infrasonic echo from the obstacle to a sound source is detected, the distance between the sound source and the obstacle can be calculated, after the detection is finished, the control circuit board 400 controls the coil 320 to be powered off, the magnetic force of the static iron core 330 and the movable iron core 340 disappears, the spring 360 pushes the piston 350 forwards to reset, and the gas in the cavity 132 behind the piston cavity 130 is pressed back into the sleeve until the piston 350 blocks the nozzle 121 again.
Therefore, this application is at the in-process that detects, the gaseous preceding cavity 131 that gets into piston chamber 130 of intraductal spun, after detecting the completion, the sleeve pipe is pressed back again, whole process can not outwards discharge gas, avoided outwards discharge gas to cause the risk of explosion, and, after the sleeve pipe is pressed back to gas, a small amount of liquid deposit that the gas blowout carried in the preceding cavity 131 of piston chamber 130, only need regularly discharge can, can not cause the pollution to the external environment.
In order to facilitate the discharge of the liquid deposited in the front chamber 131 of the piston chamber 130, the bottom of the outer cylinder 100 is provided with a liquid discharge hole 610, the liquid discharge hole 610 is sealed by a screw 620, and the sealing screw is unscrewed to open the liquid discharge hole 610 during liquid discharge. Preferably, in this embodiment, the drainage hole 610 is disposed near the blocking plate 120, the valve 630 is disposed near the front end of the casing joint 110, when draining, the coil 320 is powered on first, so that the stationary core 330 is attracted to the movable core 340, then the valve 630 is closed in sequence, the drainage hole 610 is opened, finally the coil 320 is powered off, the spring 360 pushes the piston 350 forward, and then the piston 350 extrudes the liquid in the front chamber 131 of the piston chamber 130, so as to ensure that the liquid in the front chamber 131 can be drained quickly and effectively.
In a preferred embodiment, a silencing ring 500 is arranged between the outer circumferential surface of the fixing ring 310 and the inner circumferential surface of the outer cylinder 100, the silencing ring 500 is made of silencing material, a plurality of silencing holes 510 penetrating through the silencing ring 500 in the front and back are circumferentially distributed, in the test process, the rear chamber 132 of the piston cavity 130 can dispersedly intake and exhaust air through the silencing holes 510, the intake and exhaust air is more balanced and smooth, and meanwhile, the silencing holes 510 are used for silencing in the intake and exhaust processes, so that the noise of the intake and exhaust air can be effectively reduced. Preferably, the rear end of the outer cylinder 100 is provided with a rear cover 140 to protect the electromagnetic driving member 300 and the control circuit board 400 at the rear of the outer cylinder 100 through the rear cover 140, and the rear cover 140 is provided with a vent hole 141 to ensure that the inside of the rear cover 140 is communicated with the outside.
In a preferred embodiment, a pressure sensor 700 is further installed on the front side of the plugging plate 120, and the pressure sensor 700 is electrically connected to the control circuit board 400, so that the sleeve pressure can be monitored in real time through the pressure sensor 700.
In a preferred embodiment, the rear center of the blocking plate 120 is provided with a first mounting groove 123, the nozzle 121 is embedded in the first mounting groove 123, the rear end of the nozzle 121 protrudes out of the first mounting groove 123, the front center of the piston 350 is provided with a second mounting groove 351, the second mounting groove 351 is embedded with a rubber blocking block 352, the front end of the rubber blocking block 352 protrudes out of the second mounting groove 351, the piston 350 is connected with the nozzle 121 through the rubber blocking block 352, so that the nozzle 121 can be ensured to be blocked, and when the piston 350 is driven by the spring 360 to reset, the rubber blocking block 352 can be used for buffering, the impact on the nozzle 121 is reduced, and the damage to the nozzle 121 can be effectively avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The utility model provides a sound source oil well liquid level automatic monitoring appearance which characterized in that includes:
the front end of the outer cylinder body is provided with a sleeve joint, one end, close to the sleeve joint, in the outer cylinder body is provided with a plugging plate, the central position of the rear side of the plugging plate is provided with a nozzle, and a channel for communicating the nozzle with the sleeve joint is arranged in the plugging plate;
the microphone is fixed on the front side of the plugging plate;
the electromagnetic driving part comprises a fixing ring, a coil, a static iron core, a movable iron core, a piston and a spring, the fixing ring is arranged behind the blocking plate and fixed in the outer cylinder body, the coil is wound outside the fixing ring, the static iron core is fixedly inserted into the rear part of the fixing ring, the movable iron core is movably inserted into the front part of the fixing ring, a piston cavity is formed in the outer cylinder body between the blocking plate and the fixing ring, the piston is fixed at the front end of the movable iron core and is adaptive to the piston cavity, the piston cavity is divided into a front cavity and a rear cavity through the piston, the rear cavity is communicated with the outside, and the spring is supported between the fixing ring and the piston and is sleeved outside the movable iron core;
and the control circuit board is arranged on the rear side of the fixing ring and is respectively electrically connected with the microphone and the coil.
2. The automatic monitor for the liquid level of an oil well with a sound source as claimed in claim 1, wherein a silencing ring is disposed between the outer circumferential surface of the fixing ring and the inner circumferential surface of the outer cylinder, the silencing ring is made of a silencing material, and a plurality of silencing holes penetrating through the silencing ring are circumferentially distributed.
3. The automatic sound source oil well liquid level monitor according to claim 2, wherein a rear cover is provided at the rear end of the outer cylinder, and a vent hole is provided in the rear cover.
4. The automatic sound source oil well liquid level monitor according to claim 1, wherein a drain hole is formed in the bottom of the outer cylinder body, and the drain hole is sealed by a screw.
5. The acoustic source well level monitor according to claim 4, wherein said drain hole is located adjacent to a blanking plate and said casing joint is provided with a valve adjacent to the front end thereof.
6. The automatic monitor for the liquid level of an acoustic source oil well according to claim 1, wherein a pressure sensor is further installed on the front side of the plugging plate, and the pressure sensor is electrically connected with the control circuit board.
7. The automatic monitor for the liquid level of an acoustic source oil well according to claim 1, wherein the rear end of the fixing ring is provided with a plurality of connecting holes, the control circuit board is provided with through holes corresponding to the connecting holes, the connecting holes and the through holes are respectively connected through bolts, and each bolt is sleeved with a supporting sleeve supported between the control circuit board and the fixing ring.
8. The automatic monitor for the liquid level of an acoustic source oil well according to claim 1, wherein a first mounting groove is formed at the center of the rear side of the blocking plate, the nozzle is inserted into the first mounting groove, the rear end of the nozzle protrudes out of the first mounting groove, a second mounting groove is formed at the center of the front side of the piston, a rubber blocking block is inserted into the second mounting groove, the front end of the rubber blocking block protrudes out of the second mounting groove, and the piston is connected with the nozzle through the rubber blocking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365181.8A CN112727449B (en) | 2021-04-06 | 2021-04-06 | Automatic monitor for liquid level of sound source oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365181.8A CN112727449B (en) | 2021-04-06 | 2021-04-06 | Automatic monitor for liquid level of sound source oil well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112727449A true CN112727449A (en) | 2021-04-30 |
| CN112727449B CN112727449B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110365181.8A Active CN112727449B (en) | 2021-04-06 | 2021-04-06 | Automatic monitor for liquid level of sound source oil well |
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| CN (1) | CN112727449B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216950A (en) * | 2021-06-21 | 2021-08-06 | 西安精实信石油科技开发有限责任公司 | Device and method for reservoir fluid identification through pressure response |
| CN115788412A (en) * | 2022-12-07 | 2023-03-14 | 贵州航天凯山石油仪器有限公司 | Oil well liquid level measuring device driven by high-power long-stroke electromagnet |
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| CN1082659A (en) * | 1993-05-12 | 1994-02-23 | 北京市三环石油新技术公司 | A kind of method of automatic monitoring oil-well level and device |
| CN2700554Y (en) * | 2003-06-20 | 2005-05-18 | 北京恒兴利达仪器有限公司 | Instrument for automatically monitoring liquid level and casing pressure of pumping well |
| RU2282718C1 (en) * | 2005-02-21 | 2006-08-27 | Общество с ограниченной ответственностью Лениногорский опытный завод нефтеавтоматики (ООО "Лозна") | Echo-sounding device for liquid level measurement in well |
| CN201396149Y (en) * | 2009-04-30 | 2010-02-03 | 中国石油天然气股份有限公司 | Automatic continuous monitor for oil well dynamic liquid level |
| 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 |
| CN111997591A (en) * | 2020-09-24 | 2020-11-27 | 大庆高新区中环电力控制系统有限公司 | Continuous working fluid level monitoring device |
| CN212296349U (en) * | 2020-09-30 | 2021-01-05 | 西安海诚石油科技有限公司 | Oil gas well dynamic liquid level monitoring device and oil gas well |
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2021
- 2021-04-06 CN CN202110365181.8A patent/CN112727449B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082659A (en) * | 1993-05-12 | 1994-02-23 | 北京市三环石油新技术公司 | A kind of method of automatic monitoring oil-well level and device |
| CN2700554Y (en) * | 2003-06-20 | 2005-05-18 | 北京恒兴利达仪器有限公司 | Instrument for automatically monitoring liquid level and casing pressure of pumping well |
| RU2282718C1 (en) * | 2005-02-21 | 2006-08-27 | Общество с ограниченной ответственностью Лениногорский опытный завод нефтеавтоматики (ООО "Лозна") | Echo-sounding device for liquid level measurement in well |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216950A (en) * | 2021-06-21 | 2021-08-06 | 西安精实信石油科技开发有限责任公司 | Device and method for reservoir fluid identification through pressure response |
| CN113216950B (en) * | 2021-06-21 | 2024-03-08 | 西安精实信石油科技开发有限责任公司 | Device and method for recognizing reservoir fluid through pressure response |
| CN115788412A (en) * | 2022-12-07 | 2023-03-14 | 贵州航天凯山石油仪器有限公司 | Oil well liquid level measuring device driven by high-power long-stroke electromagnet |
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| Publication number | Publication date |
|---|---|
| CN112727449B (en) | 2021-07-16 |
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