CN106437675A - Oil well safety monitoring system for oil exploration - Google Patents
Oil well safety monitoring system for oil exploration Download PDFInfo
- Publication number
- CN106437675A CN106437675A CN201610806099.3A CN201610806099A CN106437675A CN 106437675 A CN106437675 A CN 106437675A CN 201610806099 A CN201610806099 A CN 201610806099A CN 106437675 A CN106437675 A CN 106437675A
- Authority
- CN
- China
- Prior art keywords
- oil
- module
- audion
- monitoring system
- electric capacity
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 239000003129 oil well Substances 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 241000024287 Areas Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009897 systematic effect Effects 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
-
- 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
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an oil well safety monitoring system for oil exploration. The oil well safety monitoring system comprises a platform, an oil recovery tower, a monitoring mechanism and an oil well. The oil recovery tower and the monitoring mechanism are arranged on the platform, and the oil well is arranged under the platform. Multiple temperature sensors are evenly arranged on the two sides of the inner wall of the oil well, and a gas sensor is arranged between every two temperature sensors. According to the oil well safety monitoring system for oil exploration, data of the temperature sensors and the gas sensors is transmitted to the monitoring mechanism, and the monitoring mechanism acquires monitoring signals, so that the reliability of the system is improved; moreover, in a wireless communication circuit, a common three-point type oscillating circuit is adopted, and therefore the practicality of the circuit is improved; meanwhile, high current emission is adopted for the circuit, the distance of 1 km can be achieved in wide zones, the reliability of remote monitoring on the system by workers is guaranteed, and the practicality of the system is improved.
Description
Technical field
The present invention relates to a kind of oil security monitoring system for oil exploration.
Background technology
So-called oil exploration, exactly in order to find and finding out petroleum resources, and utilizes various exploration meanses to understand underground
Geological state, the condition such as understanding oil generation, oil storage, oil-gas migration, aggregation, preservation, overall merit oil-gas bearing prospect, determine Accumulation of Hydrocarbon
The Favorable Areass of collection, find the trap of reservoir hydrocarbon, and verify oil gas field area, get the mistake of oil-gas Layer situation and output capacity clear
Journey, is that country increases crude stockpile and related oil gas product.
In oil exploration, need to carry out monitor in real time to the situation in oil well, so as to the safety of oil well can be ensured
Property, but as the project of existing oil well monitoring system monitoring is less, and lack rational supervising device, so as to reduce
The practicality of monitoring system；Moreover, during system work, staff needs to carry out remote monitoring to system,
So as to ensure that the reliability of system monitoring, and as the communication distance of existing wireless communication line is short, so as to reduce system
Practicality.
Content of the invention
The technical problem to be solved in the present invention is：In order to overcome the deficiencies in the prior art, one kind is provided for oil exploration
Oil security monitoring system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of oil security for oil exploration is monitored
System, including platform, the oil recovery tower being arranged on above platform and monitor control mechanism, the oil well being arranged on below platform；
The oil recovery tower is connected with flow string, and the vertically arranged and one end of the flow string is located at the inside of oil well；
If the both sides of the inwall of the oil well are uniformly provided with dry temperature sensor, it is provided between two temperature sensors
Gas sensor；
The monitor control mechanism include body, the status indicator lamp being arranged on body, display interface and some control buttons,
The central control unit of body interior is arranged on, the central control unit includes central control module and central control module
The display control module of connection, state indicator module, key control module, temperature monitoring module, gas-monitoring module and wireless
Communication module；
The wireless communication module includes wireless communication line, and the wireless communication line includes first resistor, the second electricity
Resistance, 3rd resistor, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, tunable capacitor, inductance, audion and antenna, institute
The base stage for stating audion is connected with the two ends of first resistor by the first electric capacity and the second electric capacity respectively, the base stage of the audion
By the external 5V DC voltage power supply of second resistance, the colelctor electrode of the audion passes through the external 5V DC voltage power supply of inductance,
The colelctor electrode of the audion passes through the external 5V DC voltage power supply of tunable capacitor, and the colelctor electrode of the audion is by the 3rd electricity
Hold and be connected with the emitter stage of audion, the base stage of the audion by the series circuit of the second electric capacity and 3rd resistor composition and
The emitter stage connection of audion, the 3rd resistor is in parallel with the 4th electric capacity, and the antenna is connected with the central point of inductance.
Preferably, for the practicality for improving monitor control mechanism, the display interface is electrically connected with display control module, institute
State status indicator lamp to electrically connect with state indicator module, the control button is electrically connected with key control module.
Preferably, in order to ensure accurately to monitor the relevant information in oil well, the temperature sensor and temperature
Monitoring modular is electrically connected, and the gas sensor is electrically connected with wireless communication module.
Preferably, Tricolor LED can provide the state instruction effect of more diversification, monitor control mechanism is improve
Practicality, the status indicator lamp includes Tricolor LED.
Preferably, the display content variation of LCDs, so as to improve the practicality of system, display circle
Face is LCDs.
Preferably, the sensitivity height of touch key, so as to improve the operability of system, the control button is light
Touch of key-press.
Preferably, PLC has the characteristics that multifunction, so as to improve the practicality of system, central authorities' control
Module is PLC.
Preferably, for the continuous firing ability for improving system, the inside of the body is additionally provided with accumulator, the storage
Battery is trifluoro lithium battery.
The invention has the beneficial effects as follows, this is used in the oil security monitoring system of oil exploration, by each temperature sensing
The data of device and gas sensor are transferred to monitor control mechanism, by monitor control mechanism, monitoring signals are acquired, and improve system
Reliability；Moreover, in wireless communication line, using common bikini oscillating circuit, so as to improve the circuit
Practicality, meanwhile, the circuit using high current launch, in opening up to 1km, it is ensured that staff is to the remote of system
The reliability of range monitoring, improves its practicality.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the oil security monitoring system for oil exploration of the present invention；
Fig. 2 is the structural representation of the monitor control mechanism of the oil security monitoring system for oil exploration of the present invention；
Fig. 3 is the systematic schematic diagram of the oil security monitoring system for oil exploration of the present invention；
Fig. 4 is the circuit theory of the wireless communication line of the oil security monitoring system for oil exploration of the present invention
Figure；
In figure：1. oil recovery tower, 2. flow string, 3. platform, 4. monitor control mechanism, 5. oil well, 6. temperature sensor, 7. gas pass
Sensor, 8. body, 9. status indicator lamp, 10. display interface, 11. control buttons, 12. central control modules, 13. display controls
Module, 14. state indicator module, 15. key control modules, 16. temperature monitoring modules, 17. gas-monitoring modules, 18. is wireless
Communication module, R1. first resistor, R2. second resistance, R3. 3rd resistor, the first electric capacity of C1., the second electric capacity of C2., C3. the 3rd
Electric capacity, the 4th electric capacity of C4., CP1. tunable capacitor, L1. inductance, Q1. audion, ANT. antenna.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore which only shows the composition relevant with the present invention.
As Figure 1-Figure 4, a kind of oil security monitoring system for oil exploration, including platform 3, is arranged on platform
The oil recovery tower 1 of 3 tops and monitor control mechanism 4, the oil well 5 being arranged on below platform 3；
The oil recovery tower 1 is connected with flow string 2, and the vertically arranged and one end of the flow string 2 is located at the inside of oil well 5；
If the both sides of the inwall of the oil well 5 are uniformly provided with dry temperature sensor 6, between two temperature sensors 6
It is provided with gas sensor 7；
The monitor control mechanism 4 includes body 8, the status indicator lamp 9 being arranged on body 8, display interface 10 and some controls
Button processed 11, the central control unit being arranged on inside body 8, the central control unit include central control module 12 and
The display control module 13 of the connection of central control module 12, state indicator module 14, key control module 15, temperature monitoring module
16th, gas-monitoring module 17 and wireless communication module 18；
The wireless communication module 18 includes wireless communication line, the wireless communication line include first resistor R1,
Two resistance R2,3rd resistor R3, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, tunable capacitor CP1,
Inductance L1, audion Q1 and antenna ANT, the base stage of the audion Q1 is respectively by the first electric capacity C1 and the second electric capacity C2 and the
The two ends connection of one resistance R1, the base stage of the audion Q1 passes through the external 5V DC voltage power supply of second resistance R2, and described three
The colelctor electrode of pole pipe Q1 passes through the external 5V DC voltage power supply of inductance L1, and the colelctor electrode of the audion Q1 passes through tunable capacitor
The external 5V DC voltage power supply of CP1, the colelctor electrode of the audion Q1 is by the emitter stage of the 3rd electric capacity C3 and audion Q1 even
Connect, the transmitting of the series circuit that the base stage of the audion Q1 consists of the second electric capacity C2 and 3rd resistor R3 and audion Q1
Pole connects, and 3rd resistor R3 is in parallel with the 4th electric capacity C4, and the antenna ANT is connected with the central point of inductance L1.
Preferably, for the practicality for improving monitor control mechanism 4, the display interface 10 is electrically connected with display control module 13
Connect, the status indicator lamp 9 is electrically connected with state indicator module 14, the control button 11 is electrically connected with key control module 15
Connect.
Preferably, in order to ensure accurately to monitor the relevant information in oil well 5, the temperature sensor 6 and temperature
Degree monitoring modular 16 is electrically connected, and the gas sensor 7 is electrically connected with wireless communication module 18.
Preferably, Tricolor LED can provide the state instruction effect of more diversification, monitor control mechanism 4 is improve
Practicality, the status indicator lamp 9 includes Tricolor LED.
Preferably, the display content variation of LCDs, so as to improve the practicality of system, display circle
Face 10 is LCDs.
Preferably, the sensitivity height of touch key, so as to improve the operability of system, the control button 11 is
Touch key.
Preferably, PLC has the characteristics that multifunction, so as to improve the practicality of system, central authorities' control
Module 12 is PLC.
Preferably, for the continuous firing ability for improving system, the inside of the body 8 is additionally provided with accumulator, described
Accumulator is trifluoro lithium battery.
This is used in the oil security monitoring system of oil exploration, and ground placed by platform 3, and the oil recovery tower 1 on platform 3 passes through
Flow string 2 is extend in oil well 5, and the oil in oil well 5 is exploited, while by temperature sensor 6 and gas sensor 7
Real-time monitoring is carried out to the temperature in oil well 5 everywhere and gas, so as to ensure that the safety of oil well.Wherein, each temperature sensing
The data of device 6 and gas sensor 7 are transferred to monitor control mechanism 4, by monitor control mechanism 4, monitoring signals are acquired, then by supervising
Control mechanism 4 is by way of wireless telecommunications, it is ensured that staff carries out remote monitoring to system.
This is used in the monitor control mechanism 4 of the oil security monitoring system of oil exploration, and status indicator lamp 9, for oil well
Interior working condition carries out real-time status instruction；Display interface 10, is shown in real time to the device of system；Control button 11,
It is used for system is manipulated, improves the practicality of system.Wherein, central control module 12, for each in system
Module carries out real-time control, improves the intellectuality of system；Display control module 13, for controlling display interface 10 to carry out data
Show；State indicator module 14, for indicating to various warning messages in system, improves the reliability of system；Button
Control module 15, for ensureing that staff manipulated to system, improves the practicality of system；Temperature monitoring module 16,
It is used for being analyzed the detection data of temperature sensor 6 detection；Gas-monitoring module 17, for the inspection to gas sensor 7
Survey data and be analyzed detection；Wireless communication module 18, for ensureing that staff carries out remote monitoring to system.
This is used in the oil security monitoring system of oil exploration, in wireless communication line, using common bikini
Oscillating circuit, so as to improve the practicality of the circuit, meanwhile, the circuit using high current launch, opening up to
1km, it is ensured that reliability of the staff to the remote monitoring of system, improves its practicality.
Compared with prior art, this is used in the oil security monitoring system of oil exploration, by 6 He of each temperature sensor
The data of gas sensor 7 are transferred to monitor control mechanism 4, by monitor control mechanism 4, monitoring signals are acquired, improve system
Reliability；Moreover, in wireless communication line, using common bikini oscillating circuit, so as to improve the circuit
Practicality, meanwhile, the circuit is launched using high current, in opening up to 1km, it is ensured that staff is to the long-range of system
The reliability of monitoring, improves its practicality.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
In the range of without departing from this invention technological thought, various change and modification can be carried out entirely.The technology of this invention
Property scope is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (8)
1. a kind of oil security monitoring system for oil exploration, it is characterised in that including platform (3), be arranged on platform (3)
The oil recovery tower (1) of top and monitor control mechanism (4), the oil well (5) being arranged on below platform (3)；
Oil recovery tower (1) is connected with flow string (2), and flow string (2) vertically arranged and one end is located at the interior of oil well (5)
Portion；
Oil well (5) if the both sides of inwall be uniformly provided with dry temperature sensor (6), two temperature sensor (6) it
Between be provided with gas sensor (7)；
Described monitor control mechanism (4) include body (8), be arranged on body (8) status indicator lamp (9), display interface (10) and
Some control button (11), the internal central control unit of body (8) is arranged on, the central control unit includes central control
Display control module (13) that module (12) is connected with central control module (12), state indicator module (14), by key control mould
Block (15), temperature monitoring module (16), gas-monitoring module (17) and wireless communication module (18)；
Described wireless communication module (18) include wireless communication line, the wireless communication line include first resistor (R1), the
Two resistance (R2), 3rd resistor (R3), the first electric capacity (C1), the second electric capacity (C2), the 3rd electric capacity (C3), the 4th electric capacity (C4),
Tunable capacitor (CP1), inductance (L1), audion (Q1) and antenna (ANT), the base stage of audion (Q1) passes through first respectively
Electric capacity (C1) and the second electric capacity (C2) are connected with the two ends of first resistor (R1), and the base stage of audion (Q1) is by the second electricity
The external 5V DC voltage power supply of resistance (R2), the colelctor electrode of audion (Q1) passes through the external 5V unidirectional current piezoelectricity of inductance (L1)
Source, the colelctor electrode of audion (Q1) passes through the external 5V DC voltage power supply of tunable capacitor (CP1), audion (Q1's)
Colelctor electrode is connected with the emitter stage of audion (Q1) by the 3rd electric capacity (C3), and the base stage of audion (Q1) is by the second electricity
Hold the series circuit that (C2) and 3rd resistor (R3) constitute to be connected with the emitter stage of audion (Q1), 3rd resistor (R3) and
The parallel connection of 4th electric capacity (C4), antenna (ANT) is connected with the central point of inductance (L1).
2. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that the display interface
(10) electrically connect with display control module (13), status indicator lamp (9) are electrically connected with state indicator module (14), the control
Button (11) processed are electrically connected with key control module (15).
3. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that the temperature sensing
Device (6) is electrically connected with temperature monitoring module (16), and gas sensor (7) are electrically connected with wireless communication module (18).
4. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that the state instruction
Lamp (9) includes Tricolor LED.
5. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that the display interface
(10) it is LCDs.
6. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that the control button
(11) it is touch key.
7. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that central authorities' control
Module (12) is PLC.
8. the oil security monitoring system of oil exploration is used for as claimed in claim 1, it is characterised in that body (8)
Inside be additionally provided with accumulator, the accumulator be trifluoro lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610806099.3A CN106437675A (en) | 2016-09-05 | 2016-09-05 | Oil well safety monitoring system for oil exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610806099.3A CN106437675A (en) | 2016-09-05 | 2016-09-05 | Oil well safety monitoring system for oil exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437675A true CN106437675A (en) | 2017-02-22 |
Family
ID=58164105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610806099.3A Pending CN106437675A (en) | 2016-09-05 | 2016-09-05 | Oil well safety monitoring system for oil exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437675A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332042A (en) * | 2017-12-27 | 2018-07-27 | 江阴市宇飞新型容器有限公司 | A kind of explosion-proof natural gas air accumulator of on-line monitoring |
| CN108730698A (en) * | 2018-04-17 | 2018-11-02 | 胡俊 | A kind of oil exploitation platform monitoring equipment |
| CN111594135A (en) * | 2020-04-22 | 2020-08-28 | 中国海洋石油集团有限公司 | Drilling fluid gas detection device and method in water-resisting pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202064933U (en) * | 2011-06-01 | 2011-12-07 | 中国石油天然气股份有限公司 | Multi-parameter monitoring device for oil well |
| CN103277091A (en) * | 2012-11-07 | 2013-09-04 | 中国石油大学(华东) | High-temperature well temperature and pressure dynamic monitoring system |
| CN204881875U (en) * | 2015-08-19 | 2015-12-16 | 刘明晓 | A temperature monitoring device that what was used for that oil prospects engineering can realize intelligent communication |
| CN204899904U (en) * | 2015-08-19 | 2015-12-23 | 胡杰 | A gaseous monitoring system that what was used for oil exploration can realize remote monitoring |
| CN205243498U (en) * | 2015-07-11 | 2016-05-18 | 长江大学工程技术学院 | A well drilling protection system for oil exploration based on thing networking |
-
2016
- 2016-09-05 CN CN201610806099.3A patent/CN106437675A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202064933U (en) * | 2011-06-01 | 2011-12-07 | 中国石油天然气股份有限公司 | Multi-parameter monitoring device for oil well |
| CN103277091A (en) * | 2012-11-07 | 2013-09-04 | 中国石油大学(华东) | High-temperature well temperature and pressure dynamic monitoring system |
| CN205243498U (en) * | 2015-07-11 | 2016-05-18 | 长江大学工程技术学院 | A well drilling protection system for oil exploration based on thing networking |
| CN204881875U (en) * | 2015-08-19 | 2015-12-16 | 刘明晓 | A temperature monitoring device that what was used for that oil prospects engineering can realize intelligent communication |
| CN204899904U (en) * | 2015-08-19 | 2015-12-23 | 胡杰 | A gaseous monitoring system that what was used for oil exploration can realize remote monitoring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332042A (en) * | 2017-12-27 | 2018-07-27 | 江阴市宇飞新型容器有限公司 | A kind of explosion-proof natural gas air accumulator of on-line monitoring |
| CN108730698A (en) * | 2018-04-17 | 2018-11-02 | 胡俊 | A kind of oil exploitation platform monitoring equipment |
| CN111594135A (en) * | 2020-04-22 | 2020-08-28 | 中国海洋石油集团有限公司 | Drilling fluid gas detection device and method in water-resisting pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106437675A (en) | Oil well safety monitoring system for oil exploration | |
| CN104074507A (en) | Underground detection device, underground detection system and well lid | |
| CN204868883U (en) | A control system for manipulator based on thing networking | |
| CN102996117A (en) | Heat-resistant gas injection multi-parameter logger | |
| CN103291360A (en) | Mine monitoring system based on mixed sensing network | |
| CN207851060U (en) | Landslide early-warning based on Internet of Things monitors system | |
| CN208918596U (en) | A kind of New Mine pillar of automatic detection environment | |
| CN202381120U (en) | Coal mine downhole fire hazard monitoring system based on wireless sensor network | |
| CN203257469U (en) | Mine monitoring system based on hybrid sensing network | |
| CN205422826U (en) | coal mine safety monitoring system based on ZigBee wireless network | |
| CN203444057U (en) | Power transmission line fault indictor | |
| CN206144555U (en) | Wireless test nipple joint | |
| CN206804755U (en) | Monitoring device for arrester | |
| CN205898197U (en) | Mining multi -parameter sensor | |
| CN107449857A (en) | A kind of novel intelligent gas detector | |
| CN203050673U (en) | High temperature resisting steam injection multiparameter logging instrument | |
| CN112950903A (en) | Oil field well head is easily fired, harmful gas comprehensive testing alarm system | |
| CN203981661U (en) | A kind of portable water quality on-line detector | |
| CN106368600B (en) | A kind of intelligent rock drilling device for oil exploration | |
| CN101532986B (en) | Low power consumption wireless gas detecting device | |
| CN206144558U (en) | A rotation test device for following bore measuring instrument | |
| CN206144557U (en) | A wireless test nipple joint for well drilling | |
| CN111811557A (en) | Soil wisdom soil moisture content monitor | |
| CN106125557A (en) | A kind of Novel monitoring system for Smart Home based on Internet of Things | |
| CN205720450U (en) | A kind of earth resistance on-line detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |