CN205743884U - A kind of compressed air coal bed gas gas well liquid surface detector of improvement - Google Patents
A kind of compressed air coal bed gas gas well liquid surface detector of improvement Download PDFInfo
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- CN205743884U CN205743884U CN201620616224.XU CN201620616224U CN205743884U CN 205743884 U CN205743884 U CN 205743884U CN 201620616224 U CN201620616224 U CN 201620616224U CN 205743884 U CN205743884 U CN 205743884U
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- pressure
- gas
- compressed air
- gas storehouse
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Abstract
This utility model belongs to research and development and the technical field of improvement of oil well logging equipment, being specifically related to the compressed air coal bed gas gas well liquid surface detector of a kind of improvement, described detector is made up of wellhead connector part, armouring trachea, 10 cores connection cables and instrument controlling case part.This utility model has the advantages such as safe, easy to use, the easy care of operation.
Description
Technical field
This utility model belongs to research and development and the technical field of improvement of oil well logging equipment, is specifically related to the compression of a kind of improvement
Air coal bed gas gas well liquid surface detector.
Background technology
Coal bed gas gas well, during mining, frequent testing ring set space dynamic oil level, at any time
Solve level change and amass situation, also surface casing pressure is carried out real-time testing.
In conventional test methodologies, due to the impact of anthropic factor, the error of measurement result is relatively big, and not direct, not side
Just, meanwhile, the use of explosive sound source introduces priming system, there is certain potential safety hazard.
It is 0MPa ~ 1.6MPa that coal bed gas gas well liquid surface detector is suitable for casing pressure, by arranging gas compression pump for compression sky
Gas, is automatically performed the liquid level gauging of coal bed gas well by release compressed air sounding.
Summary of the invention
For solving above-mentioned technical problem present in background technology, this utility model provides the compressed air of a kind of improvement
Coal bed gas gas well liquid surface detector.
Technical solution of the present utility model is: the compressed air coal bed gas gas well liquid surface detector of a kind of improvement, institute
State detector to be made up of wellhead connector part, armouring trachea, 10 cores connection cables and instrument controlling case part；Wherein, described
Wellhead connector part includes gas storehouse, controls electromagnetic valve, compressed air escape pipe, one-way valve on wellhead；Described gas storehouse, controls pressure
The control electromagnetic valve of contracting air, compressed air escape pipe, one-way valve on wellhead is sequentially connected through, forms well head compressed-air actuated logical
Road；Described wellhead connector part also includes mike, the pressure transmitter of detection casing pressure, the pressure sensing of detection gas storehouse pressure
Device, urceolus, well head assembling assembly；Described mike is connected on well head assembling assembly, detects the sound sending and reclaiming
Signal, the pressure transmitter of described detection casing pressure is positioned on well head assembling assembly, is used for detecting the size of casing pressure, described
The pressure transducer of detection gas storehouse pressure be positioned at above gas storehouse, for detecting compressed air size of pressure in gas storehouse；Institute
The wellhead connector part stated also includes that control circuit plate, described circuit board can detect casing pressure, detection gas storehouse pressure, gather liquid
Face waveform, detection methane concentration and the automatic computing function of level；
Described instrument controlling case part includes motor, air pump, mini-type muffler, inflates escape pipe, control chamber check valve,
Can, 24V power module and DTU；Described motor, air pump, mini-type muffler, inflate escape pipe, control chamber check valve depends on
Secondary connection constitutes compressed-air actuated mechanism, and described can is isolation control chamber circuit board, and described power module is used to handle
220V alternating current is converted into 24V unidirectional current, and described DTU is the function realizing GPRS communication.
The utility model has the advantages that: this utility model provides a kind of compressed-air actuated automatic liquid level tester, this survey
Examination instrument mainly includes two large divisions, wellhead connector part and instrument controlling case part.This utility model passes through control circuit plate
Judging the mode of operation of instrument, i.e. compressed air pattern, this pattern is by controlling the break-make of electromagnetic valve, in abrupt release gas storehouse
Compressed air, produce infrasonic wave.Sound wave is propagated along ring set space to down-hole, and the sound wave reflected is received conversion by mike
Become the signal of telecommunication, in being stored in system or play back liquid level by upper computer software.This utility model has operation safety, user
Just, the advantage such as easy care.This utility model realizes liquid level and automatically calculates and realize data remote, it is not necessary to tester is to well site；
Can store test data, test data can copy；Surface casing pressure can be gathered；Communication interface has RS485, GPRS.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this utility model coal bed gas gas well liquid surface detector；Fig. 2 is this utility model coal
The structural representation of layer gas gas well liquid surface detector wellhead connector part；Fig. 3 is the inspection of this utility model coal bed gas gas well liquid level
Survey instrument control chamber partial schematic diagram；Fig. 4 is the coal bed gas gas well liquid surface detector control principle signal that this utility model is used
Figure；
Wherein: 1, wellhead connector；11, well head assembling assembly；12, one-way valve on wellhead；13, control circuit plate；14, trachea
Sealing ring；15, adjusting pad；16, electromagnetic valve is controlled；17, gas storehouse；18, pressure transducer sealing ring；19, screw fixed by urceolus；
110, well head 10 core aviation socket；111, end-cap assembly；112, pressure transducer；113, inlet suction port；114, relief valve；2, armour
Dress trachea；3,10 cores connect cable；4, instrument controlling case；41, power module；42, motor；43, pump；44, mini-type muffler；
45, control chamber check valve；46, inflation escape pipe；47, control chamber 10 core aviation socket；48, DTU communication module；49, wire hole；
410, entrance hole；411, methane transducer；412,4 core aviation socket；413, can；414, Pressure gauge.
Detailed description of the invention
Embodiment 1, the compressed air coal bed gas gas well liquid surface detector of a kind of improvement, this tester mainly includes two big portions
Point, wellhead connector part and control chamber part；Structure and work process to detector are described below in conjunction with the accompanying drawings:
As it is shown in figure 1, wellhead connector 1 connects cable 3 by armouring trachea 2 and 10 core instrument is connected to instrument controlling case
On 4；As in figure 2 it is shown, in the wellhead connector that used of this utility model, gas storehouse 17, control electromagnetic valve 16, one-way valve on wellhead 12
It is sequentially connected through, forms the compressed-air actuated passage of well head；Pressure transducer 112, well head assembling assembly are installed on gas storehouse 17
There is mike on 11 and measure the pressure transmitter of casing pressure, end-cap assembly 111 has inlet suction port 113,10 core aviation sockets
110；As it is shown on figure 3, in the control chamber that used of this utility model, have motor 42, air pump 43, mini-type muffler 44, inflate out
Trachea 46, control chamber check valve 45, can 413(device, circuit board), 24V power module 41, DTU48；Described motor 42, gas
Pump 43, mini-type muffler 44, inflate escape pipe 46, control chamber check valve 45 is sequentially connected with and constitutes compressed-air actuated mechanism, institute
Stating can 413 is isolation control chamber circuit board, and described power module 41 is used to 220V alternating current to be converted into 24V direct current
Electricity, described DTU48 is the function realizing GPRS communication.
As shown in Figure 4, the work process below in conjunction with-3 pairs of detectors of Fig. 1 is described: the intelligence that this utility model uses
In energy control system, have employed two processors and process, be respectively placed in wellhead connector and in control chamber, well head connects
Controller in device is the primary control of system, and system first checks for the concentration of methane before testing, at wellhead connector and
Control chamber is respectively arranged with a methane transducer, if be detected that system can be carried out when two concentration are below the threshold value set
Test, system is when test, and system judges the duty of system by the casing pressure value obtained by casing pressure pressure transmitter measurement.
System works in compressed air beep pattern, and system sends motor open command, and air pump is started working.Pressure sensing on gas storehouse
The size of device detection gas storehouse pressure, when reaching the threshold value set, system sends motor and ceases and desist order, and motor stops, and air pump stops
Only work.Control compressed-air actuated electromagnetic valve to open, the compressed air in release gas storehouse, send sound.Mike detection sound
Signal, gathers waveform by acquisition circuit；System calculates level automatically, by 485 or GPRS, data is transferred out.
Wellhead connector processor and control chamber processor are communicated by serial ports, and the processor in control chamber is from processor, main
The detection of methane concentration and the detection of motor temperature in control chamber to be completed.
This detector achieves on-line checking and the remotely monitoring of the level of coal bed gas well, and this instrument includes that well head is certainly
Producing fluid level tester and remote liquid level monitoring upper computer software, it is possible to achieve the test data of well head detector are transferred to monitoring
Room (base station) computer.Can be with the test interval of remotely located detector, test gain by host computer, it is also possible to real
Time gather fluid level data, at any time understand level change situation, it is also possible to casing pressure is tested.
This detector is connected wire composition by control chamber, wellhead connector, armouring trachea, instrument.Form this tester
Choosing of each device is all selected by experiment for a long time, especially does at aspect low temperature resistant, high pressure resistant, corrosion-resistant
Strict test.
Claims (1)
1. the compressed air coal bed gas gas well liquid surface detector improved, it is characterised in that: described detector is connected by well head
Device part, armouring trachea, 10 cores connect cable and instrument controlling case part composition, and wellhead connector passes through armouring trachea and 10 cores
Connect cable to be connected on instrument controlling case；
Wherein, described wellhead connector part includes gas storehouse, controls compressed-air actuated control electromagnetic valve, compressed air escape pipe,
One-way valve on wellhead；Described gas storehouse, controls electromagnetic valve, compressed air escape pipe, and one-way valve on wellhead is sequentially connected through, forms well
The compressed-air actuated passage of mouth；Described wellhead connector part also includes mike, the pressure transmitter of detection casing pressure, detects gas storehouse
The pressure transducer of pressure, urceolus, well head assembling assembly；Described mike is connected on well head assembling assembly, detects and sends out
The acoustical signal gone out and reclaim, the pressure transmitter of described detection casing pressure is positioned on well head assembling assembly, is used for detecting sleeve pipe
The size of pressure, the pressure transducer of described detection gas storehouse pressure is positioned at above gas storehouse, is used for detecting compressed air in gas storehouse
The size of middle pressure；Described wellhead connector part also includes that control circuit plate, described circuit board can detect casing pressure, detection
Gas storehouse pressure, collection liquid level waveform, detection methane concentration and the automatic computing function of level；
Described instrument controlling case part includes motor, air pump, mini-type muffler, inflates escape pipe, control chamber check valve, metal
Box, 24V power module and DTU；Described motor, air pump, mini-type muffler, inflate escape pipe, control chamber check valve connects successively
Connecing and constitute compressed-air actuated mechanism, described can is isolation control chamber circuit board, and described power module is used to 220V
Alternating current is converted into 24V unidirectional current, and described DTU is the function realizing GPRS communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620616224.XU CN205743884U (en) | 2016-06-21 | 2016-06-21 | A kind of compressed air coal bed gas gas well liquid surface detector of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620616224.XU CN205743884U (en) | 2016-06-21 | 2016-06-21 | A kind of compressed air coal bed gas gas well liquid surface detector of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205743884U true CN205743884U (en) | 2016-11-30 |
Family
ID=57385020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620616224.XU Expired - Fee Related CN205743884U (en) | 2016-06-21 | 2016-06-21 | A kind of compressed air coal bed gas gas well liquid surface detector of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205743884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177597A (en) * | 2019-07-05 | 2021-01-05 | 中国石油化工股份有限公司 | Shaft liquid level monitoring device |
-
2016
- 2016-06-21 CN CN201620616224.XU patent/CN205743884U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177597A (en) * | 2019-07-05 | 2021-01-05 | 中国石油化工股份有限公司 | Shaft liquid level monitoring device |
| CN112177597B (en) * | 2019-07-05 | 2024-05-24 | 中国石油化工股份有限公司 | Liquid level monitoring device for shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20180621 |