CN1614395A - Fluorescent spectrum determiner for prevent from dead out and its use in determination of petroleum - Google Patents
Fluorescent spectrum determiner for prevent from dead out and its use in determination of petroleum Download PDFInfo
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- CN1614395A CN1614395A CN 200310108411 CN200310108411A CN1614395A CN 1614395 A CN1614395 A CN 1614395A CN 200310108411 CN200310108411 CN 200310108411 CN 200310108411 A CN200310108411 A CN 200310108411A CN 1614395 A CN1614395 A CN 1614395A
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Abstract
An analyser comprises light source, lens triggering single colour element, lens, colorimetric pool in triangular shape, launching single colour element and receiver. The determination method includes preparing standard solution for measurement; measuring the corresponding relation of standard solution concentration to fluorescent intensity; preparing sample to be measured; weighing, dissolving and extracting the sample as well as measuring concentration of oil contained in the sample.
Description
Technical field
The present invention relates to a kind of petroleum bloom assay method, relate in particular to a kind of fluorescence spectrometry instrument and petroleum bloom assay method thereof of avoiding fluorescent quenching.
Background technology
At the petroleum prospecting scene, conventional fluorescent logging method is that the mensuration of petroleum bloom has following several method usually.
One, the macroscopic method of ultra violet lamp.The method that adopts ultra violet lamp is the more fluorescent logging method of the on-the-spot use of petroleum prospecting for a long time, and by the irradiation of uviol lamp, detect by an unaided eye landwaste glow color and luminous power are that landwaste is decided fluorescence grade with control methods then.The defective that this method exists in the well logging process is:
1. in the well logging process, miss the lightweight oil gas-bearing formation easily;
2. in drilling process, the fluorescence interference that the mud additive of adding produces may make this method complete failure.
Two, quantitative fluorescence analysis instrument assay method.At present adopt the quantitative fluorescence analysis method to come the oil concentration of working sample usually at petroleum exploration field, its method is, at first selecting for use has better deliquescent reagent to crude oil, because phenixin has very strong quenching effect generally will not adopt to petroleum bloom, uses maximum reagent hexanes or isopropyl alcohol etc. now; A certain amount of rock sample of picking soaks then, get soak solution and put into fluorescence analyser analysis, the excitation wavelength of choosing during analysis is generally between the 250-330 nanometer, undertaken accurately quantitatively by the oil concentration of fluorescence intensity, make that the lightweight oil of emission wavelength between the 250-400 nanometer also can be determined rock sample.But the defective that present quantitative fluorescence detector and assay method exist in actual use is:
1. because the method for work of colorimetric pool adopts in the prior art luminoscope is the method (seeing shown in Figure 1) of transmission, what colorimetric pool adopted usually in the luminoscope is that sectional area is the cylinder of tetragonal body, colorimetric pool is inner to be empty (seeing shown in Figure 2), when actual measurement, since exciting light directly from solution transmission enter sample cell, from the direction vertical fluorescence is measured then with exciting light, this assay method is when measuring the higher sample of oil concentration, because the mutual collision between solvent molecule and excited state solute molecule or excited state solute molecule and the low-lying level solute molecule, can cause the loss of a large amount of excited state solute molecule energy, thereby fluorescence intensity is lower than low concentration on the contrary when causing high concentration, when concentration is too high even the fluorescent quenching phenomenon occurs.
2. because the measurement range of the luminoscope that prior art is used always is narrower, therefore must adopts repeatedly dilution to measure, otherwise fluorescent quenching will occur, make measurement result mistake occur, may miss show of oil and gas for the higher rock sample of oil concentration;
3. owing to must adopt repeatedly dilution to measure, not only repeatedly dilute the waste that causes a large amount of solvents, also cause inconvenience to use to the higher rock sample of oil concentration.
For example the QFT fluorescence detector of the ancient company of U.S.'s moral soil uses hexane as reagent sample to be soaked, and fixedly excitation wavelength is 254 nanometers, and the fixed transmission wavelength is 320 nanometers, and the sample soak solution is carried out fluorometric assay; When oil concentration in the sample is too high. must quantitatively dilute again sample and measure.
As, being entitled as fluorescence analysis in the patent of invention (publication number is CN 1172257A) of " a kind of method of fluoroscent logging of detritus " has also mentioned the use hexane and as reagent sample has been soaked, and fixedly excitation wavelength is 280 nanometers, obtain fluorescence intensity by the scanning emission wavelength, and determine the sample oil concentration with this; When sample liquid concentration to be measured is too high, must adopt dilution process to dilute but equally also exist, the problem that the concentration after dilution could be measured in the measurement range of instrument.
And for example, the patent of invention (publication number is CN1211738A) that is entitled as " a kind of petroleum fluorescent-spectrum well logging instrument ", this patent of invention proposes to use the fluorescence spectrum that can scan emission wavelength, thereby can carry out carrying out the oil concentration of rock sample accurately quantitatively.Though the foregoing invention patent can be carried out quantitatively oil concentration, but because the colorimetric pool that is adopted in the luminoscope is inner tetragonal body for sky (seeing also Fig. 3 to shown in Figure 5), and the assay method that adopts when actual measurement is that transmission beam method is measured (seeing that the claim 4 of CN1211738A patent of invention and Instructions Page 3 the 9th walk to 14 row), be that the exciting light transmission enters in the solution sample solution is excited, when concentration is too high, this assay method is because Quenching of fluorescence, may cause measuring mistake, must carry out the repeatedly dilution of uncertain number of times this moment, until by judging that being diluted to the concentration range that can measure just can formally measure, make that the step of measuring is quite loaded down with trivial details; When using in the quick drilling process of PDC drill bit, repeatedly dilute owing to will carry out sample, wasted a large amount of time, make on-the-spot sample determination speed can not satisfy on-the-spot requirement of creeping into fast, can not reflect field condition fast and accurately.
Summary of the invention
The object of the present invention is to provide a kind of improved fluorescence spectrometry instrument and petroleum bloom assay method thereof of avoiding fluorescent quenching, it can solve the fluorescent quenching problem of fluorometric assay middle and high concentration oil sample, thereby realizes the direct mensuration to the high concentration oil sample.
The object of the present invention is achieved like this:
A kind of fluorescence spectrometry instrument of avoiding fluorescent quenching comprises: light source is successively set on behind the light source lenticular unit that light each other connects, excites monochromatic parts, lenticular unit, colorimetric pool, the monochromatic parts of emission, receiver; Be characterized in:
Described colorimetric pool is set to special triangle; Described light source sees through lenticular unit, form exciting light after exciting monochromatic parts and lenticular unit, this excitation light irradiation can be placed on the triangle colorimetric pool hypotenuse side of sample within it, sample surfaces is excited produce emission light, this emission light is incident upon on the monochromatic parts of emission.
In the fluorescence spectrometry instrument of the above-mentioned fluorescent quenching avoided, wherein, described triangle colorimetric pool by triangular prism and empty triangle cylinder in conjunction with forming.
In the fluorescence spectrometry instrument of the above-mentioned fluorescent quenching avoided, wherein, the angular range at the empty triangle cylinder α of described triangle colorimetric pool angle is that 5 degree are to 40 degree.
In the fluorescence spectrometry instrument of the above-mentioned fluorescent quenching avoided, wherein, the angular range at the empty triangle cylinder α of described triangle colorimetric pool angle is that 50 degree are to 85 degree.
A kind of petroleum bloom assay method that is used for above-mentioned fluorescence spectrometry instrument is characterized in may further comprise the steps:
Step 1, the standard solution that configuration is used to measure, take by weighing 1 gram crude oil sample, 1 gram crude oil sample is dissolved in 100 milliliters the reagent, obtain 10000 mg/litre standard solution, the dilution of carrying out different multiples with this standard solution obtains the standard solution series that oil concentration is 0.5 mg/litre-10000.0 mg/litre;
Step 4 is carried out weighing to sample, promptly weighs in the balance to get 1 gram sample;
At above-mentioned petroleum bloom assay method, wherein, in described step 1, the used reagent of described configuration standard solution is a kind of crude oil to be had better deliquescent reagent.
At above-mentioned petroleum bloom assay method, wherein, in described step 2, the step of the corresponding relation of measurement standard solution concentration and fluorescence intensity is,
2-1 pipettes the empty triangle cylinder that a certain amount of standard solution is put into the special colorimetric pool of triangle with quantitative pipettor respectively,
2-2 puts into the luminoscope assigned position with the special colorimetric pool of triangle and scans,
2-3 measures the corresponding relation of concentration to fluorescence intensity, utilizes the linear method that fits to calculate the working curve of concentration to fluorescence intensity.
At above-mentioned petroleum bloom assay method, wherein, in described step 3, the sample that need measure is a solid sample, then measure preliminary work and comprise,
3-1, a certain amount of solid sample of picking, water rinse out and are attached to top dirt and impurity,
3-2 uses stove-drying then, removes moisture, makes the rock sample drying,
3-3 at several pouncing papers of the bottom of mortar pad, puts into sample, covers several pouncing papers again, with the alms bowl rod sample is ground, and can prevent mortar and alms bowl rod contaminated samples with pouncing paper.
At above-mentioned petroleum bloom assay method, wherein, in described step 5, sample and reagent are mixed the step of preparing to measure comprise,
5-1 covers stopper to test tube, rocks for 15 seconds,
5-2 allows test tube uprightly leave standstill 15 minutes,
5-3 measures after the mixed solution of sample in the test tube and reagent filtered, and perhaps gets the test tube supernatant liquor and measures.
The present invention can avoid the fluorescence spectrometry instrument and the petroleum bloom assay method thereof of fluorescent quenching, owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:
1. the present invention is because what the method for work of colorimetric pool in the luminoscope was adopted is the method for measuring surface fluorescence, what colorimetric pool adopted in the luminoscope is the special colorimetric pool of triangle, exciting light shines by colorimetric pool and launches fluorescence after solution surface makes solution top layer molecular excitation when measuring, thereby can realize the higher sample of oil concentration is measured by emitting fluorescence is measured;
2. therefore the present invention can avoid prior art to measure the energy loss that the long molecular collision that causes of light path causes because the mensuration light path in its fluorescence spectrometry instrument is reasonable;
3. the present invention is owing to utilize the emitting fluorescence of surface fluorescence method working sample, therefore can need not to adopt dilution in advance, especially can directly measure fluorescence intensity for the sample oleaginousness at the sample solution of 0.5mg/L-10000.0mg/L, can not cause the measurement result mistake, the leakage show of oil and gas because of fluorescent quenching;
4. therefore the present invention can save the test solvent consumption owing to need not to adopt in advance repeatedly dilution to carry out method for measuring again to the higher rock sample of oil concentration, reduces cost, and has reduced the pollution to environment, has also saved analysis time.
Description of drawings
The description of some embodiment of the fluorescence spectrometry instrument of fluorescent quenching and petroleum bloom assay method thereof can be avoided by following to the present invention, purpose of the present invention, specific structural features and advantage can be further understood in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the synoptic diagram that concerns of prior art fluorologging quartzy colorimetric pool commonly used and fluor tester;
Fig. 2 is the structural representation of prior art fluorologging quartzy colorimetric pool commonly used;
Fig. 3 is the structural representation of a kind of petroleum fluorescent-spectrum well logging instrument of CN1211738A patent of invention;
Fig. 4 is the structural representation of sample cell in the CN1211738A patent of invention;
Fig. 5 is the sectional structure synoptic diagram of sample cell in Fig. 4 CN1211738A patent of invention;
Fig. 6 is the structural representation that the present invention can avoid the fluorescence spectrometry instrument of fluorescent quenching;
Fig. 7 (a) be in the fluorescence spectrophotometer of the present invention colorimetric pool analyse and observe the decomposition texture synoptic diagram;
Fig. 7 (b) is the structural representation of colorimetric pool in the fluorescence spectrophotometer of the present invention;
Fig. 8 (a) is one embodiment of the invention triangle colorimetric pool and exciting light and the radiative synoptic diagram that concerns;
Fig. 8 (b) is another embodiment of the present invention triangle colorimetric pool and exciting light and the radiative synoptic diagram that concerns.
Embodiment
See also shown in Figure 6ly, this is the structural representation that the present invention can avoid the fluorescence spectrometry instrument of fluorescent quenching.The present invention, can avoid the fluorescence spectrometry instrument of fluorescent quenching to comprise: light source 1, be successively set on light source 1 after, and light connects is lenticular unit 2, excite monochromatic parts 3, lenticular unit 4, colorimetric pool 5, the monochromatic parts 6 of emission, receiver 7.Light source 1 sees through lenticular unit 2, excites monochromatic parts 3 and lenticular unit 4 backs to form exciting light 11, these exciting light 11 irradiations can be placed on the triangle colorimetric pool 5 hypotenuse sides of sample within it, excited sample solution produces emission light 12, and this emission light 12 is incident upon on the monochromatic parts 6 of emission.
Please see also shown in Figure 7ly in conjunction with Fig. 6, Fig. 7 is the structural representation of colorimetric pool in the fluorescence spectrophotometer of the present invention.In the present invention, colorimetric pool 5 is set to special triangle, is made up of triangular prism 51 and 52 combinations of empty triangle cylinder, and the sample that need measure is placed in the sky triangle cylinder 52.
Please see also shown in Figure 8ly in conjunction with Fig. 6 and Fig. 7, Fig. 8 is the present invention's two embodiment triangle colorimetric pools and exciting light and the radiative synoptic diagram that concerns; Fig. 8 (b) is another embodiment of the present invention triangle colorimetric pool and exciting light and the radiative synoptic diagram that concerns.The angular range at α angle can be that 5 degree or 40 degree or 50 are spent to 85 degree in the intermediate cam shape colorimetric pool 5 empty triangle cylinders 52 of the present invention.See also Fig. 8 (a), in the present embodiment, the angle at triangle colorimetric pool 5 three-pointed hollow star cylinders 52 α angles scope can be 5 °-40 ° optional; See also Fig. 8 (b), in this embodiment, the angle at triangle colorimetric pool 5 three-pointed hollow star cylinders 52 α angles scope can be 50 °-85 ° optional.But from first and second embodiment as can be seen, no matter the angle at α angle has much variations, and exciting light 11 is radiated at excited sample solution on the triangle colorimetric pool 5 hypotenuse sides and the emission light 12 that produces all is incident upon on the monochromatic parts 6 of emission.
See also Fig. 6 to shown in Figure 8, the present invention can avoid the principle of work of the fluorescence spectrometry instrument of fluorescent quenching to be, utilize fluorescence analysis, choose quantity of sample, put into the empty triangle cylinder 52 of the special colorimetric pool 5 of triangle after the sample preparation, colorimetric pool is put into the position of luminoscope defined,, utilize the surface fluorescence method that sample solution is measured promptly at lenticular unit 4 with launch between the monochromatic parts 6.During mensuration, when exciting light 11 shines solution surface by colorimetric pool 5, launch fluorescence after making the molecular excitation on solution top layer, this fluorescence is called surface fluorescence; By the method for measuring this surface fluorescence the emitting fluorescence of sample is measured then.This shows that this assay method has been avoided measuring the energy loss that the long molecular collision that causes of light path causes, thereby can directly measure the oil sample of high concentration.
The present invention utilizes the petroleum bloom assay method of above-mentioned fluorescence spectrometry instrument may further comprise the steps:
Step 1, the standard solution that configuration is used to measure, promptly take by weighing 1 gram crude oil sample, 1 gram crude oil sample is dissolved in 100 milliliters the reagent, obtain 10000 mg/litre standard solution, the dilution of carrying out different multiples with this standard solution obtains the standard solution series that oil concentration is 0.5 mg/litre-10000.0 mg/litre; Used reagent is a kind of crude oil to be had better deliquescent reagent in this standard solution, and what reagent adopted in the present invention is isopropyl alcohol.
2-1 pipettes the empty triangle cylinder 52 that a certain amount of standard solution is put into the special colorimetric pool 5 of triangle with quantitative pipettor respectively,
2-2 puts into luminoscope with the special colorimetric pool 5 of triangle and scans,
2-3 measures the corresponding relation of concentration to fluorescence intensity, utilizes the linear method that fits to calculate the working curve of concentration to fluorescence intensity.
3-1, a certain amount of solid sample of picking, water rinse out and are attached to top dirt and impurity,
3-2 uses stove-drying then, removes moisture, makes the rock sample drying,
3-3 at several pouncing papers of the bottom of mortar pad, puts into sample, covers several pouncing papers again, with the alms bowl rod sample is ground, and be to prevent mortar and alms bowl rod contaminated samples with the purpose of pouncing paper.
Step 4 is carried out weighing to sample, weighs in the balance usually to get 1 gram sample.
5-1 covers stopper to test tube, rocks for 15 seconds,
5-2 allows test tube uprightly leave standstill 15 minutes,
5-3 measures after the mixed solution filtration to sample in the test tube and reagent, perhaps gets test tube upper strata mixed solution and measures.
In sum, the present invention can avoid the fluorescence spectrometry instrument and the petroleum bloom assay method thereof of fluorescent quenching, and the mensuration light path in its fluorescence spectrometry instrument is reasonable, can avoid prior art to measure the energy loss that the long molecular collision that causes of light path causes; Utilize the special colorimetric pool of triangle in the petroleum bloom assay method, testing sample solution is put into the special colorimetric pool of triangle, putting into luminoscope according to fluorescence analysis measures, when exciting light shines solution surface by colorimetric pool, launch fluorescence after making the molecular excitation on solution top layer, obtain the oil concentration of sample by the method for measuring this surface fluorescence; This method can be diluted in advance to sample, just can directly measure sample, and high concentration is contained oil samples can not produce the fluorescent quenching phenomenon, thereby make that the mensuration process is simpler, more convenient to operate, also reduce simultaneously the use amount of reagent, reduced analysis cost and sample preparation time; Therefore very practical.
Claims (9)
1. the fluorescence spectrometry instrument that can avoid fluorescent quenching, comprise: light source (1) is successively set on behind the light source (1) lenticular unit (2) that light each other connects, excites monochromatic parts (3), lenticular unit (4), colorimetric pool (5), launches monochromatic parts (6), receiver (7); It is characterized in that:
Described colorimetric pool (5) is set to special triangle;
Described light source (1) sees through lenticular unit (2), excites monochromatic parts (3) and lenticular unit (4) back to form exciting light (11), this exciting light (11) irradiation can be placed on triangle colorimetric pool (5) the hypotenuse side of sample within it, sample surfaces is excited produce emission light (12), this emission light (12) is incident upon on the monochromatic parts of emission (6).
2. the fluorescence spectrometry instrument of avoiding fluorescent quenching as claimed in claim 1 is characterized in that: described triangle colorimetric pool (5) is made up of triangular prism (51) and empty triangle cylinder (52) combination.
3. the fluorescence spectrometry instrument of avoiding fluorescent quenching as claimed in claim 1 or 2 is characterized in that: the angular range at the empty triangle cylinder of described triangle colorimetric pool (5) (52) α angle is that 5 degree are to 40 degree.
4. the fluorescence spectrometry instrument of avoiding fluorescent quenching as claimed in claim 1 or 2 is characterized in that: the angular range at the empty triangle cylinder of described triangle colorimetric pool (5) (52) α angle is that 50 degree are to 85 degree.
5. petroleum bloom assay method that is used for above-mentioned fluorescence spectrometry instrument is characterized in that may further comprise the steps:
Step 1, the standard solution that configuration is used to measure, take by weighing 1 gram crude oil sample, 1 gram crude oil sample is dissolved in 100 milliliters the reagent, obtain 10000 mg/litre standard solution, the dilution of carrying out different multiples with this standard solution obtains the standard solution series that oil concentration is 0.5 mg/litre-10000.0 mg/litre;
Step 2, the concentration of measurement standard solution series and the corresponding relation of fluorescence intensity;
Step 3, the sample that preparation need be measured comprises solid sample and fluid sample;
Step 4 is carried out weighing to sample, promptly weighs in the balance to get 1 gram sample;
Step 5 is dissolved and is extracted sample, and load weighted 1 gram sample is poured in the test tube, measures 10 milliliters of reagent with graduated cylinder and pours in the test tube, covers stopper and sample and reagent are mixed prepares to measure;
Step 6, oil concentration to sample is measured, pipette the empty triangle cylinder (52) that quantity of sample solution is put into colorimetric pool (5) with quantitative pipettor, colorimetric pool is put into the position that luminoscope is stipulated, carry out length scanning, utilize the fluorescence intensity that records from working curve, to read corresponding sample oil concentration.
6. petroleum bloom assay method as claimed in claim 5 is characterized in that: in described step 1, the used reagent of described configuration standard solution is a kind of crude oil to be had better deliquescent reagent.
7. petroleum bloom assay method as claimed in claim 5 is characterized in that: in described step 2, the step of the corresponding relation of measurement standard solution concentration and fluorescence intensity is,
2-1 pipettes the empty triangle cylinder (52) that a certain amount of standard solution is put into the special colorimetric pool of triangle (5) with quantitative pipettor respectively,
2-2 puts into the luminoscope assigned position with the special colorimetric pool of triangle (5) and scans,
2-3 measures the corresponding relation of concentration to fluorescence intensity, utilizes the linear method that fits to calculate the working curve of concentration to fluorescence intensity.
8. petroleum bloom assay method as claimed in claim 5 is characterized in that: in described step 3, the sample that need measure is a solid sample, then measure preliminary work and comprise,
3-1, a certain amount of solid sample of picking, water rinse out and are attached to top dirt and impurity,
3-2 uses stove-drying then, removes moisture, makes the rock sample drying,
3-3 at several pouncing papers of the bottom of mortar pad, puts into sample, covers several pouncing papers again, with the alms bowl rod sample is ground, and can prevent mortar and alms bowl rod contaminated samples with pouncing paper.
9. petroleum bloom assay method as claimed in claim 5 is characterized in that: in described step 5, sample and reagent mixed the step of preparing to measure comprises,
5-1 covers stopper to test tube, rocks for 15 seconds,
5-2 allows test tube uprightly leave standstill 15 minutes,
5-3 measures after the mixed solution of sample in the test tube and reagent filtered, and perhaps gets the test tube supernatant liquor and measures.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100460858C (en) * | 2005-12-13 | 2009-02-11 | 上海神开石油化工装备股份有限公司 | Method for on-line spectral determining oily gas in drilling liquid |
| CN100489502C (en) * | 2005-06-29 | 2009-05-20 | 赵菊英 | Method for making oil content in water measured by fluorescence method compared to other methods |
| CN102830105A (en) * | 2012-09-26 | 2012-12-19 | 天津陆海石油设备系统工程有限责任公司 | Petroleum fluorescence collecting and analyzing method based on charge coupled element optical fiber system |
| CN103134590A (en) * | 2013-01-31 | 2013-06-05 | 南京邮电大学 | Method for dynamically testing phosphorescence spectrum in real time |
| CN107328749A (en) * | 2017-08-31 | 2017-11-07 | 河海大学 | A kind of water quality fluorescent solutions apparatus for measuring concentration and measuring method |
| CN107782705A (en) * | 2016-08-31 | 2018-03-09 | 中国石油天然气股份有限公司 | Rock determination method for oil content and device |
| CN107817226A (en) * | 2016-09-10 | 2018-03-20 | 北京金恒祥仪器有限公司 | Three-dimensional automatic petroleum bloom analyzer |
| CN112903644A (en) * | 2021-01-21 | 2021-06-04 | 上海交通大学 | Ultra-wide range fluorescence quantitative analysis method and fluorescence measurement system |
| CN113138180A (en) * | 2021-04-14 | 2021-07-20 | 北京化工大学 | Fluorescence detection method for petroleum product condensation point |
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| US3849654A (en) * | 1973-10-19 | 1974-11-19 | H Malvin | Fluorescence cuvette |
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| CN2297000Y (en) * | 1997-05-06 | 1998-11-11 | 谢清毅 | Standard colorimetric cup for testing drug solution colour |
| CN1107226C (en) * | 1997-07-08 | 2003-04-30 | 中国石油天然气总公司石油勘探开发科学研究院 | Method for fluoroscent logging of detritus |
| CN1073706C (en) * | 1998-09-24 | 2001-10-24 | 中国石油天然气总公司石油勘探开发科学研究院 | Petroleum fluorescent-spectrum well logging instrument |
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| CN100489502C (en) * | 2005-06-29 | 2009-05-20 | 赵菊英 | Method for making oil content in water measured by fluorescence method compared to other methods |
| CN100460858C (en) * | 2005-12-13 | 2009-02-11 | 上海神开石油化工装备股份有限公司 | Method for on-line spectral determining oily gas in drilling liquid |
| CN102830105A (en) * | 2012-09-26 | 2012-12-19 | 天津陆海石油设备系统工程有限责任公司 | Petroleum fluorescence collecting and analyzing method based on charge coupled element optical fiber system |
| CN103134590A (en) * | 2013-01-31 | 2013-06-05 | 南京邮电大学 | Method for dynamically testing phosphorescence spectrum in real time |
| US10598595B2 (en) | 2016-08-31 | 2020-03-24 | Petrochina Company Limited | Method for determining oil contents in rock formations |
| CN107782705B (en) * | 2016-08-31 | 2020-11-06 | 中国石油天然气股份有限公司 | Method and device for measuring oil content of rock |
| CN107782705A (en) * | 2016-08-31 | 2018-03-09 | 中国石油天然气股份有限公司 | Rock determination method for oil content and device |
| CN107817226A (en) * | 2016-09-10 | 2018-03-20 | 北京金恒祥仪器有限公司 | Three-dimensional automatic petroleum bloom analyzer |
| CN107817226B (en) * | 2016-09-10 | 2024-01-05 | 北京金恒祥仪器有限公司 | Three-dimensional automatic petroleum fluorescence analyzer |
| CN107328749A (en) * | 2017-08-31 | 2017-11-07 | 河海大学 | A kind of water quality fluorescent solutions apparatus for measuring concentration and measuring method |
| CN112903644A (en) * | 2021-01-21 | 2021-06-04 | 上海交通大学 | Ultra-wide range fluorescence quantitative analysis method and fluorescence measurement system |
| CN112903644B (en) * | 2021-01-21 | 2021-11-26 | 上海交通大学 | Ultra-wide range fluorescence quantitative analysis method and fluorescence measurement system |
| CN113138180A (en) * | 2021-04-14 | 2021-07-20 | 北京化工大学 | Fluorescence detection method for petroleum product condensation point |
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