CN202152681U - Underground fluid spectrum analyzing device - Google Patents
Underground fluid spectrum analyzing device Download PDFInfo
- Publication number
- CN202152681U CN202152681U CN 201120268649 CN201120268649U CN202152681U CN 202152681 U CN202152681 U CN 202152681U CN 201120268649 CN201120268649 CN 201120268649 CN 201120268649 U CN201120268649 U CN 201120268649U CN 202152681 U CN202152681 U CN 202152681U
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- fluid
- optical window
- fibre bundle
- zoarium
- pedestal
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Abstract
The utility model discloses an underground fluid spectrum analyzing device, which belongs to the technical field of fluid component analyzing devices, and includes an optical window base, a left side optical window, a right side optical window, a fluid passing device and an optic bundle solidifying and combining body, wherein one end of the optic bundle solidifying and combining body is propped against the right side optical window, and the other end of the optic bundle solidifying and combining body extends out of the right side of the optical window base; the fluid passing device is clamped in the optical window base and arranged between the left and the right side optical windows; a fluid passage is arranged on the fluid passing device; and a fluid inlet and a fluid outlet are connected to the fluid passage. The diameter of the fluid passage in the fluid passing direction is the same, the diameter of the fluid passage is identical with that of the fluid inlet and the fluid outlet, no space is reserved for stopping the fluid, the fluid is prevented from being accumulated in the fluid passage, and the real-time measurement of the fluid is ensured to be correct.
Description
Technical field
The utility model relates to fluid ingredient analytical device technique field, particularly a kind ofly uses the calibrated downhole spectral analysis of fluids device that near infrared spectrum is analyzed HTHP down-hole reservoir fluid composition.
Background technology
In the oil field, need at any time the composition of downhole in reservoir fluid to be analyzed, in time know the relative amount of oil, gas, water in the downhole in reservoir fluid, be beneficial to understand more intuitively the character of reservoir fluid, thereby make rational production development decision-making.At present, be used for the composition of downhole in reservoir fluid is analyzed normally from the downhole in reservoir samples fluid, it taken carry out check and analysis on the ground then, adopt this detection method, brought inconvenience to operation.
Publication number is that the Chinese patent of CN 1740771 A discloses a kind of high-temperature, high pressure fluid ingredient analytical sensor; Measure the composition of fluid through the spectrum of fiber optic conduction; Not only have simple in structure, good airproof performance, be fit to the advantage of high temperature and high pressure environment; Can also be in order to monitor the composition of downhole fluid at any time, have easy to use, advantage efficiently.Referring to accompanying drawing 1, this sensor comprises primary seal body 3, is placed in fluid in the primary seal body 3 through device, and right sheet glass 5 is resisted against the right seal cover 4 on primary seal body 3, the right sheet glass 5 and can contains optical fiber 2 and be set in the enclosing cover on the right seal cover 4.Wherein, this fluid comprises fluid intake 6, fluid issuing 7 and airtight stop chamber 18 through device.When using this sensor, fluid flows into from fluid intake 6, through airtight stop chamber 18; Flow out from fluid issuing 7, wherein, airtight stop chamber 18 is spectral absorption chambeies of fibre bundle 2 correspondences; Because this fluid passes through the fluid issuing 7 of device less than fluid intake 6, and be provided with the airtight stop chamber 18 of a circle, therefore; Cause fluid stagnation to pile up easily, the spectrum that causes fibre bundle 2 to absorb is difficult to the spectrum of definite fluid that whether transports in real time, can't guarantee the accuracy that fluid is measured in real time.
Summary of the invention
In order to address the above problem, the utility model provides a kind of structure through the change fluid passage, the assurance fluid is measured the calibrated downhole spectral analysis of fluids device of accuracy in real time.
To achieve these goals, the technical scheme of the calibrated downhole spectral analysis of fluids device that provides of the utility model is following:
The calibrated downhole spectral analysis of fluids device that the utility model provides comprises that optical window pedestal, left side optical window, right side optical window, fluid are through device and fibre bundle solid zoarium; One end of said fibre bundle solid zoarium is resisted against on the optical window of said right side, and the other end of said fibre bundle solid zoarium is protruding in the right side of said optical window pedestal; Said fluid places said optical window pedestal through device card; Between left side optical window and the right side optical window; Said fluid is provided with the fluid passage through device, is connected with fluid intake and fluid issuing on the said fluid passage, it is characterized in that; Said fluid passage longshore current body direction of passage diameter is identical, and the diameter of said fluid passage longshore current body direction of passage is also identical with the fluid issuing diameter with the fluid intake diameter respectively.
As preferably; In said optical window pedestal; Optical window right side, said right side also is provided with right side optical window holder; The indentation and be resisted against said right side optical window in said optical window pedestal of said right side optical window holder, optical window holder center, said right side has the through hole that is used for sheathed said fibre bundle solid zoarium.
As preferably, be provided with guide finger between said optical window pedestal and the said fibre bundle solid zoarium, said guide finger is resisted against on said optical window pedestal and the said fibre bundle solid zoarium.
As preferably, be provided with the ring of going forward side by side outside the said optical window pedestal right side, the said ring of going forward side by side is resisted against said optical window pedestal and some extend among the said optical window pedestal; The said ring center of going forward side by side has the through hole that is used for sheathed said fibre bundle solid zoarium.
As preferably, the said ring of going forward side by side extend between the part and said fibre bundle solid zoarium among the said optical window pedestal, on said fibre bundle solid zoarium, is arranged with elastomeric element.
As preferably, said elastomeric element is the butterfly spring.
As preferably, be arranged with spacer shell on the said fibre bundle solid zoarium periphery, the said ring of going forward side by side utilizes said spacer shell and the socket of said fibre bundle solid zoarium.
As preferably, said spacer shell is high temperature resistant protective sleeve.
As preferably, said fluid intake, said fluid issuing and said fluid are provided with transit joint through the junction of device, and said transit joint has and is used for the exposed end that is connected with external equipment.
As preferably, has the cavity that is used to install fibre bundle in the said fibre bundle solid zoarium.
The beneficial effect of the calibrated downhole spectral analysis of fluids device that the utility model provides is:
The diameter of the fluid passage of the calibrated downhole spectral analysis of fluids device that the utility model provides is identical, does not make fluid that the space of stagnating takes place, and does not have build up of fluid in the fluid passage, thereby guarantees the accuracy that component is measured in real time in the fluid.
Description of drawings
Fig. 1 is the internal construction cross-sectional schematic of the disclosed a kind of high-temperature, high pressure fluid ingredient analytical sensor of Chinese patent of CN 1740771 A for publication number;
The internal construction cross-sectional schematic of the calibrated downhole spectral analysis of fluids device that Fig. 2 provides for the utility model embodiment;
The structural representation of the fluid passage of the calibrated downhole spectral analysis of fluids device that Fig. 3 provides for the utility model embodiment;
The operating principle sketch map of the calibrated downhole spectral analysis of fluids device that Fig. 4 provides for the utility model embodiment;
The absorption spectra line chart of each component in one group of downhole fluid that the calibrated downhole spectral analysis of fluids device that application the utility model that Fig. 5 provides for the utility model embodiment provides obtains after downhole fluid is analyzed.
The specific embodiment
In order to understand the utility model in depth, the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Referring to accompanying drawing 2 and accompanying drawing 3, the calibrated downhole spectral analysis of fluids device that the utility model provides comprises that optical window pedestal 15, left side optical window 19, right side optical window 16, fluid are through device and fibre bundle solid zoarium 9; One end of fibre bundle solid zoarium 9 is resisted against on the right side optical window 16, and the other end of fibre bundle solid zoarium 9 is protruding in the right side of optical window pedestal 15; Fluid places optical window pedestal 15 through device card; Between left side optical window 19 and the right side optical window 16, fluid is provided with the fluid passage through device, is connected with fluid intake 22 and fluid issuing 23 on the fluid passage; The fluid passage is identical along a-b-c direction diameter; And the diameter of this fluid passage is also identical with fluid issuing 23 diameters with fluid intake 22 diameters respectively, and the opening part on the fluid passage is provided with obstruction 5 and plug 25; Obstruction 5 is provided with sealing ring with contacted end, fluid passage; To avoid fluid to reveal from stopping up 5, fluid intake 22 is respectively equipped with transit joint 17 with fluid issuing 23 and fluid through the device junction, and transit joint 17 is provided with sealing ring with the end face that optical window pedestal 15 contacts; Transit joint 17 has and is used for the exposed end that is connected with external equipment; The end face that exposed end contacts with external equipment is provided with sealing ring, reveals from fluid intake 22 and/or fluid issuing 23 to avoid fluid, guarantees that further fluid passes through along the a-b-c direction in order.Because the diameter of this fluid passage is identical; And the diameter of this fluid passage is also identical with fluid issuing 23 diameters with fluid intake 22 diameters respectively, does not make fluid that the space of stagnating takes place; Do not have build up of fluid in the fluid passage, thereby guarantee the accuracy that component is measured in real time in the fluid.
Wherein, In optical window pedestal 15; Optical window 16 right sides in right side also are provided with right side optical window holder 13; Right side optical window holder 13 indentation and be resisted against right side optical window 16 in optical window pedestal 15, optical window holder 13 centers, right side have the through hole that is used for sheathed fibre bundle solid zoarium 9.Right side optical window holder 13 and left side optical window holder 26 are provided with respectively axially and two seals circle radially; Axial sealing ring be separately positioned on the contacted end face of optical window on; Radial direction seal ring be separately positioned on optical window pedestal 15 contacted end faces on, thereby, guaranteed fluid along the a-b-c direction when the fluid passage; Be sealed in fully in the fluid passage, be unlikely to leak.
Wherein, have the cavity 21 that is used to install fibre bundle in the fibre bundle solid zoarium 9, during use, be equiped with fibre bundle in the cavity 21, the optical fiber of from the cavity 21 of fibre bundle solid zoarium 9, drawing need not bend and can enter in the probe, thereby avoids the fiber strength loss.
Wherein, Be provided with guide finger 12 between optical window pedestal 15 and the fibre bundle solid zoarium 9; Guide finger 12 is resisted against on optical window pedestal 15 and the fibre bundle solid zoarium 9; Arranging the fibre bundle that the cross section is the rectangle of 3mm * 8mm on fibre bundle solid zoarium 9 and the end face that right side optical window 16 contacts, just in time the printing opacity shape with fluid passage a is consistent, and the light that light source is sent is fully absorbed by fibre bundle.
Wherein, the outside, optical window pedestal 15 right sides is provided with the ring 10 of going forward side by side, and the ring 10 of going forward side by side is resisted against optical window pedestal 15 and some extend among the optical window pedestal 15; Go forward side by side the ring 10 centers have the through hole that is used for sheathed fibre bundle solid zoarium 9.Wherein, The ring 10 of going forward side by side extend between the part and fibre bundle solid zoarium 9 among the optical window pedestal, on fibre bundle solid zoarium 9, is arranged with elastomeric element, and elastomeric element can be butterfly spring 11; When the ring 10 of going forward side by side is screwed into certain position in optical window pedestal 15; Butterfly spring 10 produces deformation, and passes to the power that is produced by 10 deformation of butterfly spring on the right side shoulder of fibre bundle solid zoarium 9, thereby; The ring 10 of going forward side by side utilizes butterfly spring 11 that the fibre bundle of fibre bundle solid zoarium 9 is arranged end face and is pressed on the right side optical window 16, has guaranteed the low-loss of light transmission.Wherein, Be arranged with spacer shell 8 on fibre bundle solid zoarium 9 peripheries; The ring 10 of going forward side by side utilizes high temperature resistant protection spacer shell 8 and 9 sockets of fibre bundle solid zoarium; The calibrated downhole spectral analysis of fluids device that makes the utility model provide can tolerate the high temperature more than 200 ℃, and passes the light rate when guaranteeing that temperature reaches 160 ℃ and can not change.
When using the calibrated downhole spectral analysis of fluids device that the utility model provides; This assembly axis is on the pedestal that is installed in spectral analysis module; Two transit joints 17 are distinguished two docking ports on the alignment light analysis of spectrum module pedestals; Firmly be pressed into mouth, with screw this device be fixed on the spectral analysis module again.Tungsten halogen lamp 20 is connected in the charger of spectral analysis module.
The operating principle of the calibrated downhole spectral analysis of fluids device that the utility model provides is following:
Referring to accompanying drawing 3, downhole fluid is in real time from fluid intake 22 entering fluid passages, and afterwards, downhole fluid along the path flow of a-b-c, flows out from the fluid passage through fluid passage outlet 23 in the fluid passage.Referring to accompanying drawing 4, in said process, the light of tungsten halogen lamp 20 emissions converges at left side optical window 19 through converging light cone 24; Light is transmitted through right side optical window 16 behind the fluid passage, utilize the fibre bundle of installing in the cavity 21; Divide 10 Filters to accept, each Filter corresponding a probe, totally 10 probes; Form 10 and detect channel; The mid-photodiode that is provided with of probe is used to detect permeate fluid passage optical signal afterwards, and optical signal is the signal of telecommunication through the photoelectric switching circuit module converts; The signal of telecommunication gets into SCM system through surveying amplifying circuit and A/D modular converter, and the reflection warp that single-chip microcomputer has wherein been set up the signal data substitution that obtains descends the model of dependency relation (being generally linear relationship) between fluid composition and its near-infrared absorption spectrum.Because the wavelength that the absworption peak of each component is corresponding in the downhole fluid is different; And; Light through the fluid passage after, the absorbance of each component is different, thereby can access the absorption line of each component in the downhole fluid; And then single-chip microcomputer carries out qualitative and quantitative analysis through calculating to each component in the downhole fluid.
According to lambert--Beer law; Promptly to monochromatic light with certain wavelength; The absorbance A of component is directly proportional with light path
, concentration of component C in the fluid, is directly proportional with the absorptivity ε of component.Promptly
Wherein, A is defined as absorbance;
ε is defined as the absorptivity of component, and generally speaking, constitutive property is relevant and light intensity irrelevant in absorptivity and monochromatic wavelength and the fluid, the ε reflection be the essential attribute of material;
C is defined as concentration of component;
I is defined as transmitted intensity;
I
0Be defined as incident intensity.
Thus, according to Lambert-Beer's law, the absorbance of component is directly proportional with component concentrations in the downhole fluid.
Generally; Downhole fluid is an oil water mixture; When the calibrated downhole spectral analysis of fluids device that using the utility model provides is analyzed downhole fluid, can place Filter at corresponding wave band according to the corresponding wavelength of component absworption peak in the fluid, and the photodiode detection absorbance that is provided with in the utilization probe corresponding with Filter; Thereby, can use the ratio that above-mentioned formula is learnt each component in the downhole fluid.
The absorption spectra line chart of each component in the one group of downhole fluid that obtains after the calibrated downhole spectral analysis of fluids device that accompanying drawing 5 provides for application the utility model is analyzed downhole fluid.The wavelength corresponding according to absworption peak can carry out qualitative analysis to the component of the corresponding downhole fluid of every spectral line, to confirm the character of the component that every spectral line is corresponding.In the present embodiment, four spectral lines component of corresponding downhole fluid respectively are oil JZ22, oil QK17, water and diesel oil.Then, utilize Lambert-Beer's law, can calculate the ratio of respective components in downhole fluid, in the present embodiment, can calculate oil JZ22, oil QK17, water and the ratio of diesel oil in downhole fluid respectively.
Because during the calibrated downhole spectral analysis of fluids device that application the utility model provides; Downhole fluid is in real time from fluid intake 22 entering fluid passages; Afterwards, downhole fluid path along a-b-c in the fluid passage is passed through in order, flows out from the fluid passage through fluid passage outlet 23; So the calibrated downhole spectral analysis of fluids device that the utility model provides can guarantee the accuracy that fluid is measured in real time.
The above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a calibrated downhole spectral analysis of fluids device comprises that optical window pedestal, left side optical window, right side optical window, fluid are through device and fibre bundle solid zoarium; One end of said fibre bundle solid zoarium is resisted against on the optical window of said right side, and the other end of said fibre bundle solid zoarium is protruding in the right side of said optical window pedestal; Said fluid places said optical window pedestal through device card; Between left side optical window and the right side optical window; Said fluid is provided with the fluid passage through device, is connected with fluid intake and fluid issuing on the said fluid passage, it is characterized in that; Said fluid passage longshore current body direction of passage diameter is identical, and the diameter of said fluid passage longshore current body direction of passage is also identical with the fluid issuing diameter with the fluid intake diameter respectively.
2. device according to claim 1; It is characterized in that; In said optical window pedestal; Optical window right side, said right side also is provided with right side optical window holder, the indentation and be resisted against said right side optical window in said optical window pedestal of said right side optical window holder, and optical window holder center, said right side has the through hole that is used for sheathed said fibre bundle solid zoarium.
3. device according to claim 1 is characterized in that, is provided with guide finger between said optical window pedestal and the said fibre bundle solid zoarium, and said guide finger is resisted against on said optical window pedestal and the said fibre bundle solid zoarium.
4. device according to claim 1 is characterized in that, the outside, said optical window pedestal right side is provided with the ring of going forward side by side, and the said ring of going forward side by side is resisted against said optical window pedestal and some extend among the said optical window pedestal; The said ring center of going forward side by side has the through hole that is used for sheathed said fibre bundle solid zoarium.
5. device according to claim 4 is characterized in that, the said ring of going forward side by side extend between the part and said fibre bundle solid zoarium among the said optical window pedestal, on said fibre bundle solid zoarium, is arranged with elastomeric element.
6. device according to claim 5 is characterized in that, said elastomeric element is the butterfly spring.
7. device according to claim 4 is characterized in that, is arranged with spacer shell on the said fibre bundle solid zoarium periphery, and the said ring of going forward side by side utilizes said spacer shell and the socket of said fibre bundle solid zoarium.
8. device according to claim 7 is characterized in that, said spacer shell is high temperature resistant protective sleeve.
9. device according to claim 1 is characterized in that, said fluid intake, said fluid issuing and said fluid are provided with transit joint through the junction of device, and said transit joint has and is used for the exposed end that is connected with external equipment.
10. device according to claim 1 is characterized in that, has the cavity that is used to install fibre bundle in the said fibre bundle solid zoarium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120268649 CN202152681U (en) | 2011-07-27 | 2011-07-27 | Underground fluid spectrum analyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120268649 CN202152681U (en) | 2011-07-27 | 2011-07-27 | Underground fluid spectrum analyzing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152681U true CN202152681U (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120268649 Expired - Lifetime CN202152681U (en) | 2011-07-27 | 2011-07-27 | Underground fluid spectrum analyzing device |
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| CN (1) | CN202152681U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288576A (en) * | 2011-07-27 | 2011-12-21 | 中国石油天然气集团公司 | Underground fluid spectral analysis device |
| CN110374586A (en) * | 2019-07-25 | 2019-10-25 | 谭艳儒 | One kind is with boring fluid continuously full well section spectral characteristic detection device and method |
| CN112730299A (en) * | 2021-01-13 | 2021-04-30 | 西南石油大学 | Gas-oil ratio measuring method and device based on underground infrared spectroscopy |
-
2011
- 2011-07-27 CN CN 201120268649 patent/CN202152681U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288576A (en) * | 2011-07-27 | 2011-12-21 | 中国石油天然气集团公司 | Underground fluid spectral analysis device |
| CN102288576B (en) * | 2011-07-27 | 2013-05-01 | 中国石油天然气集团公司 | Underground fluid spectral analysis device |
| CN110374586A (en) * | 2019-07-25 | 2019-10-25 | 谭艳儒 | One kind is with boring fluid continuously full well section spectral characteristic detection device and method |
| WO2021012585A1 (en) * | 2019-07-25 | 2021-01-28 | 谭艳儒 | Continuous all-section spectrum characteristic detection device and method of while-drilling fluid |
| CN112730299A (en) * | 2021-01-13 | 2021-04-30 | 西南石油大学 | Gas-oil ratio measuring method and device based on underground infrared spectroscopy |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |