CN101236255B - Underground fluid composite monitoring method - Google Patents
Underground fluid composite monitoring method Download PDFInfo
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- CN101236255B CN101236255B CN2007101735965A CN200710173596A CN101236255B CN 101236255 B CN101236255 B CN 101236255B CN 2007101735965 A CN2007101735965 A CN 2007101735965A CN 200710173596 A CN200710173596 A CN 200710173596A CN 101236255 B CN101236255 B CN 101236255B
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Abstract
The invention relates to an underground fluid complex monitoring method which can be used for forecasting an earthquake and comprises the following steps taht: all monitoring probes of a first sensor component are placed in a detection pool, and a gas chromatography system and a gas sensor component are respectively connected with a de-aerating and drying system through pipes; a diving pump is used for sampling underground fluid samples at a time; the underground fluid samples are respectively delivered to the detection pool, the de-aerating and drying system through pipes; output signals of the first sensor component, the automatic gas chromatography system and the gas sensor component are transmitted to a data processing device for analysis processing.
Description
Technical field
The present invention relates to a kind of underground fluid monitoring method, particularly can from same underground fluid sample, extract the monitoring method of multiple information simultaneously.
Background technology
The monitoring means of at present relevant underground fluid information is varied, monitoring index is also very abundant, as water temperature, the gas radon, bicycle pump, helium, observations such as hydrogen, but most monitoring means is relatively simplification often, promptly at an inspection well, rely on a disposable sampling of instrument can only monitor an index, because it is to explore one of main omen means that earthquake forecasts in earlier stage that underground fluid dynamic observes, trend that must comprehensive a plurality of indexs changes could effectively carry out forecast work, and the ratio between some index changes the important information that predicts an earthquake often, if any reporting that the ratio of CH4/Ar has demonstrated the tidal wave of tangible every day and half day, it is a useful parameter of reflection seismic activity, but because strange land sampling, or not the distortion that reasons such as same time collection may cause some ratio, this just needs the cost plenty of time to get rid of disturbing factor, uses data processing method of all shapes and colors to extract approaching information accurately.
Summary of the invention
The object of the present invention is to provide a kind of underground fluid composite monitoring method, this method can be to the multiple information of the disposable sampling monitoring in same inspection well to fluid.
In order to realize described purpose, underground fluid composite monitoring method of the present invention is characterized in, comprises step: a detection cell a) is provided, all monitoring probes of a first sensor assembly are positioned in this detection cell; B) provide the degassing and a drying system; C) provide an automated gas chromatographic analysis system and a gas sensor assemblies, this automated gas chromatographic analysis system is connected by pipeline with this degassing and drying system respectively with this gas sensor assemblies; D) utilize the disposable collection underground fluid of submersible pump sample; E) this underground fluid sample is sent into this monitoring pool and this degassing and drying system respectively by pipeline; F) utilize this first sensor assembly that the fluid in this monitoring pool is measured, and utilize this automated gas chromatographic analysis system and this gas sensor measuring from the gas ingredients in this degassing and the drying system; G) provide a data processing equipment, the output signal of described first sensor assembly, this automated gas chromatographic analysis system and this gas sensor assemblies is passed to this data processing equipment carries out analyzing and processing.
Owing to adopted the aforementioned techniques scheme, underground fluid composite monitoring method of the present invention has such advantage: with the first sensor assembly, gas sensor assemblies and automated gas chromatographic analysis system synthesis are in same monitoring system, utilize in the first sensor assembly monitoring underground fluid such as temperature, parameters such as ion concentration, and the content that utilizes dissolved gas composition in gas sensor assemblies and the automated gas chromatographic analysis system monitoring underground fluid, thereby disposable sampling that can be in same inspection well obtains the multiple information of fluid, and various information acquisition background unanimities, make than surveying research and have reliability, improved efficient, save cost, liberated manpower.This combined monitoring method will promote China's underground fluid discipline development and be developed to INTEGRATED SIGHT by single method, be the important process that advances China's earthquake underground fluid scientific development.
Below in conjunction with the drawings and specific embodiments described purpose of the present invention, technical scheme and advantage are further detailed.
Description of drawings
Fig. 1 is the building-block of logic of underground fluid composite monitoring method of the present invention;
Fig. 2 is a building-block of logic of implementing an embodiment of underground fluid composite monitoring method of the present invention;
Fig. 3 is the system construction drawing of an embodiment of the compound electrode measuring system among Fig. 2;
Fig. 4 is the system construction drawing of an embodiment of the degassing among Fig. 2 and drying system;
Fig. 5 is the system architecture diagram of an embodiment of the automated gas chromatographic analysis system among Fig. 2;
Fig. 6 is the process flow diagram of underground fluid composite monitoring method of the present invention.
Embodiment
Fig. 1 has shown the building-block of logic according to underground fluid composite monitoring method of the present invention, this underground fluid composite monitoring method has fully utilized various monitoring devices, for example measure by automatic gas chromatography 100, hydrogen sulfide sensor 200, temperature sensor 300, conductivity sensor 400, fluoride ion electrode 500, chlorine ion electrode 600,700 pairs of underground fluids of PH electrode, various monitoring devices and a computing machine and TT﹠C system couple, and measured data are sent to computing machine with various monitoring devices and TT﹠C system is carried out analyzing and processing.The object of hydrogen sulfide sensor 200 and automatic gas chromatography 100 monitorings is the dissolved gas in the underground fluid, all detection probe of conductivity sensor 200, temperature sensor 300, chlorine ion electrode 600, fluoride ion electrode 500, PH electrode 700 are positioned in the same monitoring pool, and the object of monitoring is the underground fluid for taking a sample directly.Can increase sensor or electrode system as required, continue to increase the comprehensive monitoring project.
Combined monitoring method of the present invention is that various monitoring meanss are integrated in an instrument, and disposable sampling obtains multiple test item destination data simultaneously.Specifically describe combined monitoring method of the present invention below by an embodiment.The step of combined monitoring method can be carried out according to step shown in Figure 6.
At first, in step 61, the analysis monitoring flow process of underground fluid sample is set, comprises setting detection cell, the degassing and drying system, automated gas chromatographic analysis system and sensor module, data processing equipment.Be described in detail below in conjunction with Fig. 2 and 5 pairs of these steps.
As shown in Figure 2, building-block of logic for an embodiment of underground fluid composite monitoring method of the present invention, be an automatic underground fluid integrated information monitoring system, this automatic underground fluid integrated information monitoring system comprises underground fluid observation well 1, compound electrode measuring system 2, automatic deaerating and drying system 3, gas sensor assemblies 4, automated gas chromatographic analysis system 5, computing machine and TT﹠C system 6.
Underground fluid is observed well 1 and is comprised submersible pump 11, water intaking pipeline 12, distribution pipeline 13 and inlet pipeline 14, and submersible pump 11 is connected with distribution pipeline 13 by water intaking pipeline 12, and distribution pipeline 13 is connected with inlet pipeline 14.
As shown in Figure 3, compound electrode measuring system 2 comprises detection cell 21, electrode group 22, feed liquor pipeline 211, fluid pipeline 212 and pond lid 213, electrode group 22 places the top of detection cell 21 inside, feed liquor pipeline 211 inlets place detection cell 21 bottoms, 212 outlets of fluid pipeline place detection cell 21 tops, so that after each detection finished, the fluid sample that enters next time can be upgraded fully.
As shown in Figure 4, automatic deaerating and drying system 3 comprise by drainpipe 301, solenoid valve A 302, degassing container 303, water inlet pipe 304, baffle plate 305, cryostat temperature sensor 306, refrigeration temperature control system 307, the dry air chamber 308 of one-level, connecting pipe A 309, secondary drying air chamber 310, connecting pipe B 311, solenoid valve B 312, connecting pipe C 313, solenoid valve C 314, pneumatic pump (blowback) 315, gas piping 316, connecting pipe D 317, the test of indirect-cooling low-temperature metal bathes 318, solenoid valve D 319, exhaust water pipe 320, liquid level sensor 321, nozzle 322, overflow pipe 323 and solenoid valve E 324 form.Drainpipe 301 places the bottom of degassing container 303 by solenoid valve A 302, overflow pipe 323 1 ends place a side of lower end in the degassing container 303, the other end is connected with solenoid valve E 324, liquid level sensor 321 and nozzle 322 place the upside of degassing container 303 inside, nozzle 322 is connected with water inlet pipe 304, baffle plate 305 places the top of degassing container 303 inside, indirect-cooling low-temperature metal test bath 318 places the top of degassing container 303, dry air chamber 308 of one-level and secondary drying air chamber 310 place the test of indirect-cooling low-temperature metal to bathe 318, the dry air chamber 308 of one-level communicates with degassing container 303, and be arranged at baffle plate 305 above, the indirect-cooling low-temperature metal is tested the cryostat temperature sensor 306 of bathing in 318 and is connected with the refrigeration temperature control system 307 that the test of indirect-cooling low-temperature metal is bathed outside 318, the upper end of dry air chamber 308 of one-level and secondary drying air chamber 310 is connected by connecting pipe A 309, the upper end of secondary drying air chamber 310 is connected with solenoid valve B 312 by connecting pipe B 311, the wherein end of solenoid valve B 312 communicates with gas piping 316, the other end is by connecting pipe C 313, solenoid valve C314, connecting pipe D 317 is connected with blowback pneumatic pump 315, and the lower end of secondary drying air chamber 310 links to each other with exhaust water pipe 320 by solenoid valve D 319.
Effects such as the injection of the dissolved gas in the underground fluid by nozzle 322, bump constantly discharge from fluid.To be that the assurance system is basic in the spray process keep normal pressure in the setting of overflow pipe 323, thus make gas that spray comes out can Hui Rong in water, can avoid or reduce gaseous diffusion or the loss that spray comes out by water seal again simultaneously.Drying system is that the low temperature dehumidification system is made up of cryostat temperature sensor 306, refrigeration temperature control system 307 and indirect-cooling low-temperature metal test bath 318, and its effect is that the gas that sprays laggard air inlet chamber is carried out low temperature drying.Dry air chamber 308 of one-level and secondary drying air chamber 310 are positioned over the test of indirect-cooling low-temperature metal and bathe in 318, enter gas sensor system 4 respectively after gas stream just can be shunted by gas piping 316 and automated gas chromatographic analysis system 5 carries out check and analysis through the two-stage air chamber after.The setting of blowback pneumatic pump 315 is for after one-time detection finishes, and intrasystem dead gas is got rid of so that analyze once more.
Gas sensor assemblies 4 comprises hydrogen sulfide sensor, and this hydrogen sulfide sensor is used for detecting the hydrogen sulfide content deviate from the underground fluid in the dissolved gas.
As shown in Figure 5, the automated gas chromatographic analysis system comprises stream control system 51, piece-rate system 52, two thermal conductivity detector (TCD) detection system 53 compositions.
The system works of automated gas chromatographic analysis system 5 is that the TT﹠C system of main body is finished instrument control automatically, data acquisition, data processing, warning, data return visit, evaluation etc. by integrated computer.The automatic work of instrument can be fully by intelligent observing and controlling system, computer realization man-machine conversation, and the automatic control information under the normal running conditions comprises: the sequential control of the switch of submersible pump, degassing sampling, the action of automatic deaerating system correlation control unit and operate as normal information, the conditional parameter (flow, pressure, temperature, detecting device etc.) of gas chromatograph, the drive actions of automatic transfer valve etc.
In addition, because underground fluid is after the transmission through a segment distance, information such as temperature may distortion, therefore need take the insulation measure to inlet pipeline and compound electrode measuring system.
Continuation in step 62, utilizes submersible pump 11 to carry out the sampling of underground underground fluid sample with reference to Fig. 6.In step 63, the underground fluid of being gathered is sent to detection cell 21 and the degassing and drying system 3 respectively by water intaking pipeline 12 and inlet pipeline 14.In step 64, utilize that electricity in the underground fluids of electrode group 22 monitoring is in real time led, information such as acidity, chlorion, fluorine ion and temperature, and the simulating signal of sensor is transferred to TT﹠C system 6 transmission information by transmitter, and utilize automated gas chromatographic analysis system 5 to analyze helium, hydrogen, oxygen, methane, carbon dioxide, the hydrogen sulfide content that utilizes hydrogen sulfide sensor to be used for detecting simultaneously to deviate from the underground fluid in the dissolved gas.In step 65, utilize 6 pairs of data of computing machine and TT﹠C system to analyze from automated gas chromatographic analysis system 5, gas sensor system 4, electrode group 22.Though the present invention describes with reference to aforesaid specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention rather than restriction the present invention, for example underground fluid is observed well 1 and also can be taked multiple harvester replacement, electrode in the compound electrode measuring system 2 is except conductance electrode, chlorine ion electrode, fluoride ion electrode and acidity electrode are outer can also to comprise other electrodes, and the degassing and drying system 3 are best implementation of the present invention rather than unique implementation, and the hydrogen sulfide sensor in the sensing system 5 can be a semiconductor gas sensor, galvanochemistry type gas sensor, solid-state electrolyte gas sensor, catalytic combustion type gas sensor, optical type gas sensor or macromolecule gas sensor or the like.Therefore, as long as in the scope of in connotation scope of the present invention, the variation of the foregoing description, claims that modification all should drop on the application being asked for protection.
Claims (3)
1. a underground fluid composite monitoring method is characterized in that, may further comprise the steps:
A) provide a detection cell, all monitoring probes of first sensor assembly are positioned in this monitoring pool, this first sensor assembly comprises conductivity sensor, temperature sensor, chlorine ion electrode, fluoride ion electrode and PH electrode;
B) provide the degassing and a drying system;
C) provide an automated gas chromatographic analysis system and a gas sensor assemblies, this automated gas chromatographic analysis system is connected by pipeline with this degassing and drying system respectively with this gas sensor assemblies;
D) utilize the disposable collection underground fluid of submersible pump sample;
E) this underground fluid sample is sent into detection cell and this degassing and drying system respectively by pipeline, and detection cell and pipeline are incubated;
F) utilize this first sensor assembly that the fluid in this detection cell is measured, promptly utilize the electricity of this conductivity sensor, temperature sensor, chlorine ion electrode, fluoride ion electrode and this underground fluid sample of PH electrode measurement to lead, temperature, chlorine ion concentration, fluorinion concentration and pH value, and utilize this automated gas chromatographic analysis system and this gas sensor assemblies to measuring from the gas ingredients in this degassing and the drying system;
G) provide a data processing equipment, the output signal of described first sensor assembly, this automated gas chromatographic analysis system and this gas sensor assemblies is passed to this data processing equipment carries out analyzing and processing, this data processing equipment is a computer measurement and control system, utilizes this computer measurement and control system to carry out underground fluid is monitored and overload alarm in real time according to this output signal.
2. underground fluid composite monitoring method according to claim 1 is characterized in that this gas sensor assemblies is a hydrogen sulfide sensor, in described step f), utilizes this hydrogen sulfide sensor to measure the concentration of this underground fluid sample hydrogen sulfide gas.
3. underground fluid composite monitoring method according to claim 1, it is characterized in that, this chromatographic analysis systems comprises two thermal conductivity detectors, in step f), utilizing one of them thermal conductivity detector is carrier gas with hydrogen, analyze the argon in this underground fluid sample and the concentration of nitrogen, another thermal conductivity detector is carrier gas with nitrogen, analyzes helium, hydrogen, oxygen, methane, concentration of carbon dioxide in this underground fluid sample.
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| CN2007101735965A CN101236255B (en) | 2007-12-28 | 2007-12-28 | Underground fluid composite monitoring method |
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| CN2007101735965A CN101236255B (en) | 2007-12-28 | 2007-12-28 | Underground fluid composite monitoring method |
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| CN101236255B true CN101236255B (en) | 2011-02-09 |
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| CN104675386A (en) * | 2015-03-18 | 2015-06-03 | 新疆华隆油田科技股份有限公司 | High-temperature platinum resistor well logging device |
| CN108226991A (en) * | 2016-12-21 | 2018-06-29 | 智能（厦门）传感器有限公司 | A kind of fracture belt resonance trace hydrogen Earthquake Forecast System |
| CN107884014A (en) * | 2017-12-05 | 2018-04-06 | 重庆多邦科技股份有限公司 | A kind of five parameter groundwater quality analyzers |
| CN107843681A (en) * | 2017-12-19 | 2018-03-27 | 上海神开石油科技有限公司 | A kind of explosion-proof chromatograph of well head |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712626A1 (en) * | 1993-11-17 | 1995-05-24 | Schlumberger Services Petrol | Method and apparatus for monitoring and controlling terrestrial formations constituting a reservoir of fluids |
| US6023445A (en) * | 1998-11-13 | 2000-02-08 | Marathon Oil Company | Determining contact levels of fluids in an oil reservoir using a reservoir contact monitoring tool |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712626A1 (en) * | 1993-11-17 | 1995-05-24 | Schlumberger Services Petrol | Method and apparatus for monitoring and controlling terrestrial formations constituting a reservoir of fluids |
| US6023445A (en) * | 1998-11-13 | 2000-02-08 | Marathon Oil Company | Determining contact levels of fluids in an oil reservoir using a reservoir contact monitoring tool |
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