CN106907143A - A kind of coal bed gas well underground liquid level monitor and alarm system - Google Patents
A kind of coal bed gas well underground liquid level monitor and alarm system Download PDFInfo
- Publication number
- CN106907143A CN106907143A CN201710146578.1A CN201710146578A CN106907143A CN 106907143 A CN106907143 A CN 106907143A CN 201710146578 A CN201710146578 A CN 201710146578A CN 106907143 A CN106907143 A CN 106907143A
- Authority
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- China
- Prior art keywords
- coal bed
- bed gas
- gas well
- calibration
- phonetic symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
-
- 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
Landscapes
- 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)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of coal bed gas well underground liquid level monitor and alarm system, coal bed gas well Technology of Level Detection field is related generally to.Including well head detection module, power supply module, calibration phonetic symbol, wireless transport module, remote control terminal, the well head detection module includes housing, microprocessor, supersonic generator, ultrasonic transducer, ultrasonic receiver, counter are provided with the housing, the power supply module includes solar panel, battery, mains hybrid controller, the wireless transport module includes cloud database, base station, is arranged at the wireless WiFi module of enclosure interior, and 4G wireless routers are provided with the base station.The beneficial effects of the present invention are：It utilizes ultrasonic ranging principle, and real-time monitoring is carried out to coal bed gas well underground liquid level by the well head detection module installed in well head, easy to maintenance, monitoring result can be carried out into real-time Transmission, it is possible to increase operating efficiency.
Description
Technical field
The present invention relates to coal bed gas well Technology of Level Detection field, specifically a kind of coal bed gas well underground liquid level monitoring, alarming
System.
Background technology
The exploitation of coal bed gas is a process for drainage and step-down, i.e., using mining equipment, oil pipe draining, sleeve pipe aerogenesis.With
The carrying out of discharge opeing, annulus liquid level is declining, and coal seam pressure is also declining, it is necessary to underground in the recovery process of coal bed gas
The change of liquid level is continuously monitored, in time adjustment oil well running parameter.At present, the continuous measurement of coal bed gas well dynamic oil level
Mainly by the way of pressure gauge is installed in underground, electronic pressure gauge, work are installed in bottom while mining tubing string in well is installed
Skill is relative complex, relatively costly, once downhole instrument or cable break down, it is necessary to the pump operation that stopped production, has a strong impact on production
Progress, and need staff to arrive collection in worksite monitoring result at regular intervals, labour intensity is big, inefficiency.
The content of the invention
It is an object of the invention to provide a kind of coal bed gas well underground liquid level monitor and alarm system, it utilizes ultrasonic ranging
Principle, real-time monitoring is carried out to coal bed gas well underground liquid level by the well head detection module installed in well head, easy to maintenance, can
Monitoring result is carried out into real-time Transmission, it is possible to increase operating efficiency.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of coal bed gas well underground liquid level monitor and alarm system, including well head detection module, power supply module, calibration phonetic symbol,
Wireless transport module, remote control terminal, the well head detection module include housing, and the housing is arranged on well head, the housing
Microprocessor, supersonic generator, ultrasonic transducer, ultrasonic receiver, counter are inside provided with, the microprocessor is used for
Control ultrasonic transducer transmitting ultrasonic wave, the reflection wave signal that treatment ultrasonic receiver is received, the ultrasonic wave occurs
Device is used to convert electric energy to the high-frequency ac electric signal matched with ultrasonic transducer, drives ultrasonic transducer work,
The ultrasonic transducer is used to the electrical power of input is converted into ultrasonic wave and is passed, and the ultrasonic receiver is used for
Receive back wave and received reflection wave signal is delivered to microprocessor, the counter is used for timing, the power supply
Module is well head detection module, wireless transport module is powered, and the power supply module includes solar panel, battery, civil power
Complementary controller, the solar panel is connected with battery, and output end and the well head of the mains hybrid controller are detected
Module, wireless transport module connection, the input of the mains hybrid controller are electrically connected with battery, city, the calibration sound
Mark is cylindrical, and the calibration phonetic symbol is set on the oil pipe of coal bed gas well and the external diameter of calibration phonetic symbol is more than oil pipe external diameter, institute
The 50%-65% that calibration phonetic symbol shelters from coal bed gas well inner annulus gap is stated, the length of the calibration phonetic symbol is 0.3-
0.5m, the calibration phonetic symbol is located at the top of coal bed gas well liquid level, and the calibration phonetic symbol is used to calibrate sound wave in coal bed gas well
Transmission speed, the wireless transport module includes cloud database, base station, is arranged at the wireless WiFi module of enclosure interior, institute
State and be provided with base station 4G wireless routers, the wireless WiFi module is connected with microprocessor signals, the well head detection module
The information for detecting is sent to cloud database through 4G wireless routers, and the remote control terminal is carried out to the information in cloud database
Monitoring, the remote control terminal is provided with alarm.
Electro-magnetic screen layer is enclosed with the housing.
The housing is provided with beam.
Buried storehouse is arranged with the battery, the buried storehouse is provided with connecting tube, the buried storehouse, the equal position of connecting tube
In underground, connecting wire is provided with the connecting tube.
Contrast prior art, the beneficial effects of the present invention are：
1st, the distance on calibration phonetic symbol of the invention and ground is fixed and, it is known that the ultrasonic wave that sends of ultrasonic transducer is along ring
Shape space is propagated to shaft bottom, is run into calibration phonetic symbol, liquid level and is reflected, and back wave passes to well head and received simultaneously by ultrasonic receiver
Microprocessor is delivered to, microprocessor is identified treatment to calibrating the back wave of phonetic symbol, the back wave of liquid level, using ultrasonic wave
Range measurement principle, real-time monitoring is carried out to coal bed gas well underground liquid level by the well head detection module installed in well head, easy to maintenance,
After microprocessor is identified treatment to back wave, 4G wireless routers are transmitted information to by wireless WiFi module, 4G without
Line router is connected into cloud database, remote control terminal can monitor in real time, transfer Monitoring Data, monitoring result can be carried out reality
When transmit, it is possible to increase operating efficiency, using it is solar powered can reducing energy consumption, mains hybrid controller can be in battery
Mains-supplied is automatically switched to when electricity is too low, stable operation of the invention is ensure that.
2nd, electro-magnetic screen layer is enclosed with housing of the invention, component in housing can be avoided to receive external interference.
3rd, housing of the invention is provided with beam, can reduce the neighbouring facility operation of coal bed gas well to component in housing
Interference.
4th, buried storehouse is arranged with battery of the invention, the buried storehouse is provided with connecting tube, the buried storehouse, connection
Pipe is respectively positioned on underground, and connecting wire is provided with the connecting tube, and battery can be avoided to be exposed to the sun, drenched with rain, and can protect storage
Battery.
Brief description of the drawings
Accompanying drawing 1 is structured flowchart of the invention；
Accompanying drawing 2 is structural representation of the invention；
Accompanying drawing 3 is the attachment structure schematic diagram of battery.
Label in accompanying drawing：1st, well head detection module；11st, housing；12nd, beam；2nd, power supply module；21st, solar cell
Plate；22nd, battery；23rd, buried storehouse；24th, connecting tube；3rd, phonetic symbol is calibrated；4th, oil pipe；5th, sleeve pipe.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within scope defined herein.
Of the present invention is a kind of coal bed gas well underground liquid level monitor and alarm system, including well head detection module 1, power supply mould
Block 2, calibration phonetic symbol 3, wireless transport module, remote control terminal.The well head detection module 1 includes housing 11, the housing 11
Installed in well head, microprocessor, supersonic generator, ultrasonic transducer, ultrasonic receiver, meter are provided with the housing 11
Number device, the microprocessor is used to control ultrasonic transducer to launch ultrasonic wave, the reflection that treatment ultrasonic receiver is received
Ripple signal, the supersonic generator is used to convert electric energy to the high-frequency ac electric signal matched with ultrasonic transducer,
Ultrasonic transducer work is driven, ultrasonic transducer is used to the electrical power of input is converted into ultrasonic wave and is passed, institute
Ultrasonic receiver is stated for receiving back wave and received reflection wave signal being delivered into microprocessor, the counter
For timing.The power supply module 2 is powered for well head detection module 1, wireless transport module, and the power supply module 2 includes the sun
Energy cell panel 21, battery 22, mains hybrid controller, the solar panel 21 are connected with battery 22, the civil power
The output end of complementary controller is connected with well head detection module 1, wireless transport module, the input of the mains hybrid controller
Electrically connected with battery 22, city.The calibration phonetic symbol 3 is cylindrical, and the calibration phonetic symbol 3 is set on the oil pipe of coal bed gas well
And the external diameter of calibration phonetic symbol 3 is more than oil pipe external diameter, calibration phonetic symbol 3 is fixed and known with the distance on ground.The calibration phonetic symbol 3 hides
The 50%-65% in coal bed gas well inner annulus gap is blocked, the length of the calibration phonetic symbol 3 is 0.3-0.5m, the calibration
Phonetic symbol 3 is located at the top of coal bed gas well liquid level, and the calibration phonetic symbol 3 is used to calibrate transmission speed of the sound wave in coal bed gas well.
The wireless transport module includes cloud database, base station, is arranged at the wireless WiFi module of enclosure interior, is provided with the base station
4G wireless routers, the wireless WiFi module is connected with microprocessor signals, the information that the well head detection module 1 is detected
Cloud database is sent to through 4G wireless routers, the remote control terminal is monitored to the information in cloud database, it is described remote
Process control end is provided with alarm.The ultrasonic wave that ultrasonic transducer sends is propagated along annular space to shaft bottom, runs into calibration sound
Reflected after mark 3, liquid level, back wave passes to well head and received by ultrasonic receiver and be delivered to microprocessor, microprocessor
Treatment is identified to calibrating the back wave of phonetic symbol 3, the back wave of liquid level, using ultrasonic ranging principle, by installed in well
The well head detection module of mouth carries out real-time monitoring to coal bed gas well underground liquid level, and easy to maintenance, microprocessor is carried out to back wave
After identifying processing, 4G wireless routers are transmitted information to by wireless WiFi module, 4G wireless routers are connected into cloud database,
Remote control terminal can monitor in real time, transfer Monitoring Data, monitoring result can be carried out real-time Transmission, it is possible to increase work effect
Rate, using it is solar powered can reducing energy consumption, mains hybrid controller can automatically switch to when accumulator electric-quantity is too low
Mains-supplied, ensure that stable operation of the invention.
In order to avoid component receives external interference in housing, electro-magnetic screen layer is enclosed with the housing 11, can avoided
Component receives external interference in housing.
In order to reduce interference of the coal bed gas well vibrations that nearby facility operation is produced to component in housing, the housing 11
Beam 12 is provided with, the vibrations produced during facility operation near coal bed gas well can be reduced component in housing is done
Disturb.
In order to protect battery, buried storehouse 23 is arranged with the battery 22, the buried storehouse 23 is provided with connecting tube
24, the buried storehouse 23, connecting tube 24 are respectively positioned in underground, the connecting tube 24 and are provided with connecting wire, can avoid battery
It is exposed to the sun, drenched with rain, battery can be protected.
Embodiment：Of the present invention is a kind of coal bed gas well underground liquid level monitor and alarm system, including well head detection module
1st, power supply module 2, calibration phonetic symbol 3, wireless transport module, remote control terminal.The well head detection module 1 includes housing 11, institute
Housing 11 is stated installed in well head, electro-magnetic screen layer is enclosed with the housing 11, component in housing can be avoided to be done by extraneous
Disturb.The housing 11 is provided with beam 12, can reduce the vibrations produced during facility operation near coal bed gas well to shell
The interference of internal component.Microprocessor, supersonic generator, ultrasonic transducer, ultrasonic wave are provided with the housing 11 to connect
Device, counter are received, the microprocessor is used to control ultrasonic transducer to launch ultrasonic wave, and treatment ultrasonic receiver is received
Reflection wave signal, the supersonic generator is used to convert electric energy to the high-frequency alternating current that matches with ultrasonic transducer
Signal, drives ultrasonic transducer work, and ultrasonic transducer is used to the electrical power of input is converted into ultrasonic wave and is passed out
Go, the ultrasonic receiver is used to receive back wave and received reflection wave signal is delivered into microprocessor, described
Counter is used for timing.The power supply module 2 is powered for well head detection module 1, wireless transport module, and the power supply module 2 is wrapped
Include solar panel 21, battery 22, mains hybrid controller.Buried storehouse 23, buried storehouse are arranged with the battery 22
23 top is provided with cover plate, and the buried storehouse 23 is provided with connecting tube 24, and buried storehouse 23, connecting tube 24 are embedded in underground, described
Connecting wire is provided with connecting tube 24, battery can be avoided to be exposed to the sun, drenched with rain, battery can be protected.Solar cell
Plate 21 is erected at the top in buried storehouse 23 by support, and the solar panel 21 is connected by wire with battery 22, institute
The output end for stating mains hybrid controller is connected by wire with well head detection module 1, wireless transport module, the mains hybrid
The input of controller is electrically connected by wire with battery 22, city.The calibration phonetic symbol 3 is cylindrical, the calibration phonetic symbol 3
It is set on the oil pipe of coal bed gas well and the external diameter of calibration phonetic symbol 3 is more than oil pipe external diameter, calibration phonetic symbol 3 is fixed with the distance on ground
And it is known.The calibration phonetic symbol 3 shelters from the 50%-65% in coal bed gas well inner annulus gap, the length of the calibration phonetic symbol 3
It is 0.3-0.5m to spend, and the calibration phonetic symbol 3 is located at the top of coal bed gas well liquid level, and the calibration phonetic symbol 3 exists for calibrating sound wave
Transmission speed in coal bed gas well.Wireless transport module includes cloud database, base station, is arranged at the wireless WiFi moulds of enclosure interior
Block, is provided with 4G wireless routers in the base station, the wireless WiFi module is connected with microprocessor signals, the well head detection
The information that module 1 is detected is sent to cloud database through 4G wireless routers, and the remote control terminal is to the letter in cloud database
Breath is monitored, and the remote control terminal is provided with alarm.The ultrasonic wave that ultrasonic transducer sends is along annular space to well
Bottom is propagated, and is reflected after running into calibration phonetic symbol 3, liquid level, and back wave passes to well head and received and be delivered to by ultrasonic receiver
Microprocessor, microprocessor is identified treatment to calibrating the back wave of phonetic symbol 3, the back wave of liquid level, using ultrasonic ranging
Principle, real-time monitoring, easy to maintenance, micro- place are carried out to coal bed gas well underground liquid level by the well head detection module installed in well head
After reason device is identified treatment to back wave, 4G wireless routers are transmitted information to by wireless WiFi module, 4G is without circuit
Cloud database is connected into by device, remote control terminal can monitor in real time, transfer Monitoring Data, monitoring result can in real time be passed
It is defeated, it is possible to increase operating efficiency, using it is solar powered can reducing energy consumption, mains hybrid controller can be in accumulator electric-quantity
Mains-supplied is automatically switched to when too low, stable operation of the invention is ensure that.
Claims (4)
1. a kind of coal bed gas well underground liquid level monitor and alarm system, it is characterized in that：Including well head detection module (1), power supply module
(2), calibration phonetic symbol (3), wireless transport module, remote control terminal, the well head detection module (1) includes housing (11), described
Housing (11) is provided with microprocessor, supersonic generator, ultrasonic transducer, ultrasound installed in well head in the housing (11)
Ripple receiver, counter, the microprocessor are used to control ultrasonic transducer to launch ultrasonic wave, and treatment ultrasonic receiver connects
The reflection wave signal for receiving, the supersonic generator is used to convert electric energy to the high frequency friendship matched with ultrasonic transducer
Stream electric signal, drives ultrasonic transducer work, and the ultrasonic transducer is used to for the electrical power of input to be converted into ultrasonic wave
And pass, the ultrasonic receiver is used to receive back wave and received reflection wave signal is delivered into microprocessor
Device, the counter is used for timing, and the power supply module (2) is powered for well head detection module (1), wireless transport module, described
Power supply module (2) includes solar panel (21), battery (22), mains hybrid controller, the solar panel
(21) it is connected with battery (22), output end and well head detection module (1), the wireless transport module of the mains hybrid controller
Connection, the input of the mains hybrid controller is electrically connected with battery (22), city, and calibration phonetic symbol (3) is cylindrical,
Calibration phonetic symbol (3) is set on the oil pipe of coal bed gas well and the external diameter of calibration phonetic symbol (3) is more than oil pipe external diameter, the calibration
Phonetic symbol (3) shelters from the 50%-65% in coal bed gas well inner annulus gap, and the length of the calibration phonetic symbol (3) is 0.3-
0.5m, positioned at the top of coal bed gas well liquid level, the calibration phonetic symbol (3) is for calibrating sound wave in coal seam for the calibration phonetic symbol (3)
Transmission speed in gas well, the wireless transport module includes cloud database, base station, is arranged at the wireless WiFi moulds of enclosure interior
Block, is provided with 4G wireless routers in the base station, the wireless WiFi module is connected with microprocessor signals, the well head detection
The information that module (1) is detected is sent to cloud database through 4G wireless routers, and the remote control terminal is in cloud database
Information is monitored, and the remote control terminal is provided with alarm.
2. a kind of coal bed gas well underground liquid level monitor and alarm system according to claim 1, it is characterized in that：The housing
(11) electro-magnetic screen layer is enclosed with.
3. a kind of coal bed gas well underground liquid level monitor and alarm system according to claim 1, it is characterized in that：The housing
(11) it is provided with beam (12).
4. a kind of coal bed gas well underground liquid level monitor and alarm system according to claim 1, it is characterized in that：The battery
(22) buried storehouse (23) is arranged with, the buried storehouse (23) is provided with connecting tube (24), the buried storehouse (23), connecting tube
(24) it is respectively positioned in underground, the connecting tube (24) and is provided with connecting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146578.1A CN106907143A (en) | 2017-03-13 | 2017-03-13 | A kind of coal bed gas well underground liquid level monitor and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146578.1A CN106907143A (en) | 2017-03-13 | 2017-03-13 | A kind of coal bed gas well underground liquid level monitor and alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907143A true CN106907143A (en) | 2017-06-30 |
Family
ID=59186512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146578.1A Pending CN106907143A (en) | 2017-03-13 | 2017-03-13 | A kind of coal bed gas well underground liquid level monitor and alarm system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106907143A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020009697A1 (en) | 2018-07-03 | 2020-01-09 | Fmc Technologies, Inc. | Ultrasonic through barrier communication system in riser communication |
| CN111594146A (en) * | 2020-05-28 | 2020-08-28 | 中国石油集团渤海钻探工程有限公司 | Liquid level monitoring and early warning system for well drilling |
| CN113586033A (en) * | 2021-08-05 | 2021-11-02 | 思凡(上海)石油设备有限公司 | Gas detection device for logging |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020084071A1 (en) * | 2000-10-31 | 2002-07-04 | Mccoy James N. | Determination of plunger location and well performance parameters in a borehole plunger lift system |
| US20110228637A1 (en) * | 2010-03-22 | 2011-09-22 | Rohol-Aufsuchungs Ag | Method and device for logging the fluid depth in a wellbore |
| CN102477863A (en) * | 2010-11-26 | 2012-05-30 | 中国石油天然气股份有限公司 | Device for monitoring liquid level of CBM (coal-bed methane) unconfined well |
| CN202370506U (en) * | 2011-12-22 | 2012-08-08 | 西安科技大学 | Liquid level tester of coalbed methane well |
| CN204591261U (en) * | 2014-12-29 | 2015-08-26 | 何建辉 | A kind of oil drilling ultrasonic liquid level monitoring device |
| WO2016153465A1 (en) * | 2015-03-20 | 2016-09-29 | Halliburton Energy Services, Inc. | Dynamic sensing of the top of cement (toc) during cementing of a well casing in a well bore |
| CN205638434U (en) * | 2016-04-29 | 2016-10-12 | 中国石油天然气股份有限公司 | A liquid level subtest section of thick bamboo |
| US20160312606A1 (en) * | 2015-04-25 | 2016-10-27 | James N. McCoy | Method for detecting leakage in an underground hydrocarbon storage cavern |
| CN205918416U (en) * | 2016-08-08 | 2017-02-01 | 彭敏 | Differential pressure formula sound wave generating device |
-
2017
- 2017-03-13 CN CN201710146578.1A patent/CN106907143A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020084071A1 (en) * | 2000-10-31 | 2002-07-04 | Mccoy James N. | Determination of plunger location and well performance parameters in a borehole plunger lift system |
| US20110228637A1 (en) * | 2010-03-22 | 2011-09-22 | Rohol-Aufsuchungs Ag | Method and device for logging the fluid depth in a wellbore |
| CN102477863A (en) * | 2010-11-26 | 2012-05-30 | 中国石油天然气股份有限公司 | Device for monitoring liquid level of CBM (coal-bed methane) unconfined well |
| CN202370506U (en) * | 2011-12-22 | 2012-08-08 | 西安科技大学 | Liquid level tester of coalbed methane well |
| CN204591261U (en) * | 2014-12-29 | 2015-08-26 | 何建辉 | A kind of oil drilling ultrasonic liquid level monitoring device |
| WO2016153465A1 (en) * | 2015-03-20 | 2016-09-29 | Halliburton Energy Services, Inc. | Dynamic sensing of the top of cement (toc) during cementing of a well casing in a well bore |
| US20160312606A1 (en) * | 2015-04-25 | 2016-10-27 | James N. McCoy | Method for detecting leakage in an underground hydrocarbon storage cavern |
| CN205638434U (en) * | 2016-04-29 | 2016-10-12 | 中国石油天然气股份有限公司 | A liquid level subtest section of thick bamboo |
| CN205918416U (en) * | 2016-08-08 | 2017-02-01 | 彭敏 | Differential pressure formula sound wave generating device |
Non-Patent Citations (2)
| Title |
|---|
| 《采油测试计量手册》编写组: "《采油测试计量手册》", 30 September 1979 * |
| 曹红艳: "煤层气井动液面回声自动测量仪设计", 《中国优秀硕士学位论文数据库信息科技1辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020009697A1 (en) | 2018-07-03 | 2020-01-09 | Fmc Technologies, Inc. | Ultrasonic through barrier communication system in riser communication |
| EP3818248A4 (en) * | 2018-07-03 | 2022-01-05 | FMC Technologies, Inc. | Ultrasonic through barrier communication system in riser communication |
| US11686197B2 (en) | 2018-07-03 | 2023-06-27 | Fmc Technologies, Inc. | Ultrasonic through barrier communication system for in riser communication |
| CN111594146A (en) * | 2020-05-28 | 2020-08-28 | 中国石油集团渤海钻探工程有限公司 | Liquid level monitoring and early warning system for well drilling |
| CN113586033A (en) * | 2021-08-05 | 2021-11-02 | 思凡(上海)石油设备有限公司 | Gas detection device for logging |
| CN113586033B (en) * | 2021-08-05 | 2023-09-26 | 思凡(上海)石油设备有限公司 | Gas detection device for logging |
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