CN204422476U - A kind of portable gas analysis device for detecting alkane in petroleum prospecting - Google Patents
A kind of portable gas analysis device for detecting alkane in petroleum prospecting Download PDFInfo
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- CN204422476U CN204422476U CN201520062294.0U CN201520062294U CN204422476U CN 204422476 U CN204422476 U CN 204422476U CN 201520062294 U CN201520062294 U CN 201520062294U CN 204422476 U CN204422476 U CN 204422476U
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Abstract
The utility model discloses a kind of portable gas analysis device for detecting alkane in petroleum prospecting, comprise sensor element and power supply, sensor element comprises sensor element and functional unit, and operating portion is arranged at the rearward end of sensor element, controls sensor element running; Power supply provides driving; Sensor element comprises ionization module, Ion Extraction module, level Four series connection bar module, ion detection module and protective cover; Protection is covered with gas channeling entrance; Ionization module comprises ion guide outlet, gas introduction part, thermoelectron accelerating electrode and filament; Ion moves to Ion Extraction module; Ion Extraction module comprises Ion Extraction electrode, extracts the ion of ion guide outlet; Level Four series connection bar module comprises bar electrode, and ion selectivity ground is by level Four series connection bar module; The external operation part of ion detection module, ion detection module testing result is magnitude of voltage; Operation part output voltage signal is to display device.
Description
Technical field
The utility model relates to petroleum exploration field, particularly relates to the portable gas analysis device for detecting alkane in petroleum prospecting.
Background technology
Oil is as the form of energy, and such as, gasoline, kerosene, or electric power be as petrochemicals, as the very important resource of synthon and plastic raw materials.
In petroleum prospecting process, normally first survey target area, then carry out oil geology evaluation by literature search, remote sensing technology and the modes such as decipher of taking photo by plane, then study politics, financial stability and geographical conditions, finally obtain the right to mine in the region with potential petroleum resources.In the process obtaining oil storing point, usually need the degrees of expansion of sedimentary basin and attribute and geological condition as the foundation that whether there is hydrocarbon source rock or deposit primer layer, then complete analysis survey data, roughly could determine the alternatively petroleum drilling well point, position of oil memory point.
In Process of Oil Well Drilling, be accumulate to above ground level in slurry fluid Injection Well, so that slurry fluid in production wells, this is for after acquisition subsurface information, directly measurement gas composition is extremely important, and especially the real-time measurement of low molecular weight alkanes is very effective for determining whether oil exists.Meanwhile, in order to determine the pressure in slurry fluid Injection Well, monitoring methane concentration is extremely important, need adjust slurry fluid force value in real time according to methane concentration.
Traditional, in order to analyze the gas componant in the on-the-spot slurry fluid of petroleum drilling, usually use gas chromatograph-mass spectrometer (GCMS) (GC/MS); But GC/MS volume is large, and structure is very complicated, and price is very expensive, and needs long time to extract sample from chromatographic column, then through just can measurement data be drawn for a long time; Therefore, be starved of the gas componant of an energy in situ of drilling well Fast Installation and real-time analysis slurry fluid, and can the compact and portable instrument be installed on trepan.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of portable gas analysis device for detecting alkane in petroleum prospecting, solve the installation inconvenience because traditional GC/MS volume is large, complex structure, expensive problem cause, and can not the technical matters of alkane in Real-Time Monitoring sample gas.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of portable gas analysis device for detecting alkane in petroleum prospecting, comprise sensor element and power supply, sensor element comprises sensor element and functional unit, functional unit is arranged at the rearward end of sensor element, its function, as same alternating current generator, controls sensor element running; Power supply is positioned at functional unit side, for the operation of sensor element provides driving force.
Sensor element comprises ionization module, Ion Extraction module, level Four series connection bar module, ion detection module and protective cover; Successively ionization module, Ion Extraction module, level Four series connection bar module and ion detection module are accommodated in protective cover from the front of protective cover; The front bulkhead of protective cover being provided with gas channeling entrance, entering in sensor element for guiding sample gas.
Ionization module is used for ionizing sample gas, is positioned on the left of sensor element, comprises ion guide outlet, thermoelectron accelerating electrode and filament; Thermoelectron accelerating electrode is that upper and lower two ends have protruding cylindricality, and be positioned at ionization module front end, on thermoelectron accelerating electrode, uniform intervals is dispersed with multiple gas introduction part; Filament is bellows-shaped, is laterally zygomorphicly arranged at respectively and the protruding adjacent position of thermoelectron accelerating electrode; Produce the electric field energy up to 10 ~ 30eV between filament and thermoelectron accelerating electrode, thermoelectron accelerating electrode is accelerated through the thermoelectron of filament heating, then, and the sample gas introduced from gas introduction part by hot electron impingement, thus ionizing sample gas; The ion produced by ionization module moves to Ion Extraction module by exporting from ion guide, and ion guide outlet, in circular, is positioned at ionization module right-hand member, externally moves to guide ion; The ionizing energy of ionization module can arrange multiple energy point according to analytic target in the energy range of 10 ~ 30eV.
Ion Extraction module is positioned at outside ionization module, comprises single or multiple Ion Extraction electrode, for extracting the ion of discharging from ion guide outlet; Ion Extraction module extracts the ion produced towards level Four series connection bar module and ion detection module by ionization module, and ion is accelerated and assembles.
Level Four series connection bar module is positioned at outside Ion Extraction module, comprise two to being arranged at outside Ion Extraction module, upper and lower symmetry and bar electrode parallel to each other, when making the ion be guided out from ionization module by Ion Extraction module enter bar electrode, according to the mass-to-charge ratio (mass/charge number (M/Z)) of ion, optionally by level Four series connection bar module, therefore, level Four series connection bar module is separated, accelerates and be polymerized the ion beam of being drawn by Ion Extraction module.
Ion detection module is positioned at sensor element outermost, external operation part, and ion detection module detects the ion by level Four series connection bar module; Ion detection module is a Faraday cup, catches the isolated ion of level Four series connection bar module, and forms ion current, detect, shown by magnitude of voltage with the form of ion current.
Operation part has the function of operation processing function, controlling functions and current feedback circuit; Ion detection module is detected the magnitude of voltage digital conversion of indication ion electric current becomes digital voltage signal, and export this voltage signal; The voltage signal exported from operation part is sent to display device as measurement data, and the transverse axis of display mass spectrogram is on the display apparatus specific charge (M/Z), and the longitudinal axis is detected intensity.
It is that the alkane of 1 ~ 12 is as analytic target that gas analysis arrangement can analyze carbon number in the sample gas in the fluid in the mud flowed in well or the sample gas that flows out from well.In slurry fluid, gas componant is directly in a gaseous form or with carrier gas together in sensor element, carries out above-mentioned detection analysis.
In sum, the utility model is when the alkane that carbon number is 1 to 12 is used as analytic target, the generation of mass spectrographic noise peak can be suppressed, carbon number be 1 ~ 12 alkane become easy as the reading at the molecule peak of evaluating objects, thus improve the precision of analysis.Therefore, can measure rapidly and accurately whether there is oil in the gas analysis of the present utility model of petroleum drilling onsite application.
Accompanying drawing explanation
Fig. 1 is the utility model schematic appearance.
Wherein: gas analysis arrangement 1, sensor device 2, power supply 3, sensor element 21, functional unit 22.
Figure 2 shows that the utility model sensor element cut-open view.
Wherein: the outlet of sensor element 21, ionization module 211, ion guide 211A, gas introduction part 211B, thermoelectron accelerating electrode 211E, filament 211F, Ion Extraction module 212, Ion Extraction electrode 212H, level Four series connection bar module 213, bar electrode 213P, ion detection module 214, protective cover 215, gas channeling entrance 215H.
Embodiment
Below in conjunction with the embodiment described by accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of portable gas analysis device 10 for detecting alkane in petroleum prospecting, comprise sensor element 2 and power supply 3, sensor element 2 comprises sensor element 21 and functional unit 22, functional unit 22 is arranged at the rearward end of sensor element 21, its function, as same alternating current generator, controls sensor element 21 and operates; Power supply 3 is positioned at functional unit 22 side, for the operation of sensor element 2 provides driving force.
Sensor element 21 as shown in Figure 2 comprises ionization module 211, Ion Extraction module 212, level Four series connection bar module 213, ion detection module 214 and protective cover 215; Successively ionization module 211, Ion Extraction module 212, level Four series connection bar module 213 and ion detection module 214 are accommodated in protective cover 215 from the front of protective cover 215; The front bulkhead of protective cover 215 being provided with gas channeling entrance 215H, entering in sensor element 21 for guiding sample gas.
Ionization module 211, for ionizing sample gas, is positioned on the left of sensor element 21, comprises ion guide outlet 211A, thermoelectron accelerating electrode 211E and filament 211F; Thermoelectron accelerating electrode 211E is that upper and lower two ends have protruding cylindricality, and be positioned at ionization module 211 front end, on thermoelectron accelerating electrode 211E, uniform intervals is dispersed with multiple gas introduction part 211B; Filament 211F is bellows-shaped, is laterally zygomorphicly arranged at respectively and the protruding adjacent position of thermoelectron accelerating electrode 211E; The electric field energy produced between filament 211F and thermoelectron accelerating electrode 211E is up to 10 ~ 30eV, thermoelectron accelerating electrode 211E is accelerated through the thermoelectron that filament 211 heats, then, the sample gas introduced from gas introduction part 211B by hot electron impingement, thus ionizing sample gas; The ion produced by ionization module 211 moves to Ion Extraction module 212 by exporting 211A from ion guide, and ion guide outlet 211A is circular, is positioned at ionization module 211 right-hand member, externally moves to guide ion; The ionizing energy of ionization module 211 can arrange multiple energy point according to analytic target in the energy range of 10 ~ 30eV.
Ion Extraction module 212 is positioned at outside ionization module 211, comprises single or multiple Ion Extraction electrode 212H, for extracting the ion of discharging from ion guide outlet 211A; Ion Extraction module 212 extracts the ion produced towards level Four series connection bar module 213 and ion detection module 214 by ionization module 211, and ion is accelerated and assembles.
Level Four series connection bar module 213 is positioned at outside Ion Extraction module 212, comprise two to being arranged at outside Ion Extraction module 212, upper and lower symmetry and bar electrode 213P parallel to each other, when making the ion be guided out from ionization module 211 by Ion Extraction module 212 enter bar electrode 213P, according to the mass-to-charge ratio (mass/charge number (M/Z)) of ion, optionally by level Four series connection bar module 213, therefore, level Four series connection bar module 213 is separated, accelerates and be polymerized the ion beam of being drawn by Ion Extraction module 212;
Ion detection module 214 is positioned at sensor element 21 outermost, external operation part 22, and ion detection module 214 detects the ion by level Four series connection bar module 213; Ion detection module 214 is Faraday cups, catches the isolated ion of level Four series connection bar module 213, and forms ion current, detect, shown by magnitude of voltage with the form of ion current.
Operation part 22 has the function of operation processing function, controlling functions and current feedback circuit; Ion detection module 214 is detected the magnitude of voltage digital conversion of indication ion electric current becomes digital voltage signal, and export this voltage signal; Operation part 22 comprises a built-in circuit module (not shown), and this built-in circuit module includes a CPU and internal storage, according to the multiple programs be stored in internal storage, and operation CPU and peripherals; Namely operation part 22 carries out performing and the sample gas that exported by sensor element 21 of analyzing and processing; The voltage signal exported from operation part 22 is sent to display device (not shown) as measurement data, and the transverse axis of display mass spectrogram is on the display apparatus specific charge (M/Z), and the longitudinal axis is detected intensity.
It is that the alkane of 1 ~ 12 is as analytic target that gas analysis arrangement 1 can analyze carbon number in the sample gas in the fluid in the mud flowed in well or the sample gas that flows out from well.In slurry fluid, gas componant is directly in a gaseous form or with carrier gas together in sensor element 21, carries out above-mentioned detection analysis.
Claims (3)
1., for detecting a portable gas analysis device for alkane in petroleum prospecting, being the alkane of 1 ~ 12 for carbon number in the sample gas analyzed in fluid drilling mud or the sample gas flowed out from well, it is characterized in that: comprise sensor element and power supply; Described sensor element comprises sensor element and functional unit; Described sensor element comprises ionization module, Ion Extraction module, level Four series connection bar module, ion detection module and protective cover, from the front of protective cover inside, set gradually ionization module, Ion Extraction module, level Four series connection bar module and ion detection module, the front bulkhead of protective cover is provided with gas channeling entrance, enters sensor element to guide sample gas; Ionization module is used for ionizing sample gas, is positioned on the left of sensor element, comprises ion guide outlet, thermoelectron accelerating electrode and filament; Described thermoelectron accelerating electrode is that upper and lower two ends have protruding cylindricality, and be positioned at ionization module front end, on thermoelectron accelerating electrode, uniform intervals is dispersed with multiple gas introduction part; Described filament is bellows-shaped, laterally zygomorphicly to be arranged at respectively and the protruding adjacent position of thermoelectron accelerating electrode, the electric field energy up to 10 ~ 30eV is produced between filament and thermoelectron accelerating electrode, thermoelectron accelerating electrode is for being accelerated through the thermoelectron of filament heating, by the sample gas that hot electron impingement is introduced from gas introduction part, thus ionizing sample gas; The ion that described ionization module produces moves to Ion Extraction module by exporting from ion guide, and ion guide outlet, in circular, is positioned at ionization module right-hand member, externally moves to guide ion; Described Ion Extraction module is positioned at outside ionization module, comprise Ion Extraction electrode, to extract the ion of discharging from ion guide outlet, Ion Extraction module extracts the ion produced towards level Four series connection bar module and ion detection module by ionization module, and ion is accelerated and assembles; Described level Four series connection bar module is positioned at outside Ion Extraction module, comprise two to being arranged at outside Ion Extraction module, upper and lower symmetry and bar electrode parallel to each other, when making the ion be guided out from ionization module by Ion Extraction module enter bar electrode, optionally by level Four series connection bar module, level Four series connection bar module for separating of, accelerate and be polymerized the ion beam of being drawn by Ion Extraction module; Described ion detection module is positioned at sensor element outermost, external operation part, ion detection module detects the ion by level Four series connection bar module, ion detection module is a Faraday cup, catch the isolated ion of level Four series connection bar module, and form ion current, detect with the form of ion current, testing result is shown by magnitude of voltage; Described functional unit is arranged at the rearward end of sensor element, as alternating current generator to control sensor element running; Described power supply is positioned at outside functional unit, to provide driving force, sensor element is run; Ion detection module is detected that the magnitude of voltage digital conversion of indication ion electric current becomes digital voltage signal by described operation part, and exports this voltage signal; The voltage signal that described operation part exports is sent to display device as measurement data.
2. a kind of portable gas analysis device for detecting alkane in petroleum prospecting according to claim 1, is characterized in that: described Ion Extraction module installation has single Ion Extraction electrode.
3. a kind of portable gas analysis device for detecting alkane in petroleum prospecting according to claim 1, is characterized in that: described Ion Extraction module installation has multiple Ion Extraction electrode.
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| CN201520062294.0U CN204422476U (en) | 2015-01-28 | 2015-01-28 | A kind of portable gas analysis device for detecting alkane in petroleum prospecting |
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| CN201520062294.0U CN204422476U (en) | 2015-01-28 | 2015-01-28 | A kind of portable gas analysis device for detecting alkane in petroleum prospecting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152579A (en) * | 2021-10-26 | 2022-03-08 | 山东大齐通信电子有限公司 | Air gas detection system and method based on low-temperature high-speed carbon atoms |
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2015
- 2015-01-28 CN CN201520062294.0U patent/CN204422476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152579A (en) * | 2021-10-26 | 2022-03-08 | 山东大齐通信电子有限公司 | Air gas detection system and method based on low-temperature high-speed carbon atoms |
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| 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 |
Granted publication date: 20150624 Termination date: 20160128 |
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| EXPY | Termination of patent right or utility model |