CN208223539U - A kind of optical fiber conductance integration probe sensor - Google Patents
A kind of optical fiber conductance integration probe sensor Download PDFInfo
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- CN208223539U CN208223539U CN201820423720.2U CN201820423720U CN208223539U CN 208223539 U CN208223539 U CN 208223539U CN 201820423720 U CN201820423720 U CN 201820423720U CN 208223539 U CN208223539 U CN 208223539U
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- conductance
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Abstract
The utility model relates to a kind of optical fiber conductance integration probe sensors, including optical fiber sensing probe, couple optical fiber, light source, optical detector, optical fiber control circuit, No. 1 electrode of conductance, No. 2 electrodes of conductance, insulation tube, conductance control circuit and stainless steel sleeve, wherein optical fiber sensing probe and coupling optical fiber are encapsulated in No. 1 electrode of conductance, No. 1 electrode of conductance is encapsulated in insulation tube, insulation tube is encapsulated in No. 2 electrodes of conductance, light source, optical detector, optical fiber control circuit and conductance control circuit are encapsulated in the stainless steel sleeve connecting with No. 2 electrodes of conductance.Optical fiber measurement part and conductance measurement part are integrated in a probe by the utility model, have many advantages, such as delicate structure, small in size, light-weight, the real-time online measuring of oil, gas, water three phase flow containing rate (gas holdup and specific retention) or the phase content real-time online measuring of biphase gas and liquid flow suitable for Petroleum Production well logging.
Description
Technical field
The utility model relates to a kind of optical fiber conductance integration probe sensor, the optical fiber conductance integration probe sensors
The real-time online measuring or gas-liquid two of gas holdup and specific retention in oil-gas-water three-phase flow in pipeline Petroleum Production well logging
The real-time online measuring of phase flow containing rate.
Background technique
Currently, the major main force oil field in China enters the middle and advanced stage development phase one after another, oil well depth is up to 1000 meters or more, pressure
Up to tens megapascal.Most wells moisture content is higher, also, in oil well depth Storage, and gas is (with natural gas, hydro carbons and non-
Based on hydrocarbon gas) mainly it is present in crude oil in the form of solution gas, during crude oil flows up, with pressure
Reduce, gas is gradually precipitated, and oil-gas-water three-phase flow flow behavior is formd in oil well.In addition, in order to improve recovery ratio, note
Water, gas injection drive are adopted technology and are widely used in each elephant.Therefore, in Petroleum Production development process, gas-liquid, grease and oil gas water
Multiphase flow flow phenomenon is extremely common.In this case, it in order to understand and grasp each oil well production situation in time, needs to stone
Multiphase flow containing rate in oil well logging measures.
Currently, it is more for the technical method of multiphase flow containing rate measurement, such as: ultrasonic method of measuring, optical measuring method, chromatography
Imaging method, conductometry and capacitance measurement etc..Also, with the development of technology, more and more measurement means are used for
In the measurement of multiphase flow.Correlation method is widely used multiphase flow rate metering side developed in recent years
Method, according to the transition time of signal, calculates fluid by acquiring the fluid flowing noise signal of upstream and downstream sensor collection
Flow velocity, and then measure the flow of fluid.
Probe measurement belongs to contact type measurement, can directly reflect the fluid behaviour of probe contact point.Current probe kind
Class has conducting probe and optical fiber probe, and conducting probe is carried out according to the conductivity difference butt contact fluid of oil-gas-water multiphase fluid
Measurement makes simple, at low cost, fast response time；Optical fiber probe is docked according to the difference in optical property of oil-gas-water multiphase fluid
Contact fluid measures, smaller by impurity effect in environment and fluid.In order to obtain more more accurate oil gas water multiphases
The phase content information of body, optical fiber probe and conducting probe often occur in the duct simultaneously, this by optical fiber probe and conductance
The method advantage that probe is fixed together is that sensor structure is simple, and difficulty of processing is low, the disadvantage is that the occupancy for increasing pipeline is empty
Between, the contact area to fluid is increased, to cause larger impact to fluids within pipes flow field, while also limiting probe
Size and number.
It can be seen that meet the actual requirement of oil field production, it being capable of real-time, on-line measurement stone there is an urgent need to study one kind
The new method and technology of oil gas water multiphase void fraction (including specific retention and gas holdup) in oily production logging.
Summary of the invention
In view of the above-mentioned problems, the utility model proposes a kind of optical fiber conductance integration probe sensor, which can be
The on-line measurement of gas holdup and specific retention is carried out in Petroleum Production well logging to the oil gas water multiphase complex fluid in pipeline.This reality
It is accomplished by the following way with novel:
The utility model includes optical fiber sensing probe, coupling optical fiber, light source, optical detector, optical fiber control circuit, conductance 1
Number electrode, No. 2 electrodes of conductance, insulation tube, conductance control circuit and stainless steel sleeve, wherein optical fiber sensing probe and coupling optical fiber
It is encapsulated in No. 1 electrode of conductance, No. 1 electrode of conductance is encapsulated in insulation tube, and insulation tube is encapsulated in No. 2 electrodes of conductance
In, light source, optical detector, optical fiber control circuit and conductance control circuit are encapsulated in the stainless steel connecting with No. 2 electrodes of conductance
In sleeve.
No. 1 electrode of the conductance is stainless steel tube, and packed optical fiber sensing probe top conical portion is protruding
No. 1 electrode of conductance.
No. 2 electrodes of the conductance are stainless steel tube, positioned at the outermost layer of probe.
The insulation tube is located between No. 2 electrodes of No. 1 electrode of conductance and conductance, by No. 2 electrodes of No. 1 electrode of conductance and conductance
It is dielectrically separated from.
No. 1 electrode of the conductance, No. 2 electrodes of insulation tube and conductance length successively successively decrease, probe tip formed ladder
Shape structure.
Optical fiber measurement part in the utility model is according to total reflection principle, using gas phase liquid phase medium to the folding of light
Rate difference is penetrated, measures the gas holdup in multiphase flow by detecting the intensity of return projector.As Jie of optical fiber sensing probe contact
When matter (gas phase or liquid phase) is different, optical detector generates different low and high level signals according to the difference for returning to luminous intensity, in turn
Judge the media type of optical fiber sensing probe contact, thus calculates the gas holdup of gas-liquid phase fluid.
Conductance measurement part in the utility model includes No. 2 No. 1 electrode of conductance, insulation tube and conductance electrodes, according to water
Mutually the specific retention in oil-gas-water multiphase fluid is measured with the conductivity difference of other phases (gas phase and oily phase), when conductance 1
When number electrode, insulation tube and No. 2 electrodes of conductance submerged in water, No. 2 electrode conductions of No. 1 electrode of conductance and conductance, conductance control
Circuit output low level, when No. 1 electrode of conductance is by non-conductive medium (gas phase or oily phase) submergence, No. 1 electrode of conductance and conductance 2
Number electrode disconnects, and conductance control circuit exports high level.According to the height of the level of output signal, it can be determined that go out conductance 1
The medium of electrode contact is water phase (conducting medium) or gas phase or oily phase (non-conductive medium), and then can calculate oil gas water
The specific retention of heterogeneous fluid.
Optical fiber measurement part and conductance measurement part in the utility model constitute a probe in structure, realize light
Fine and conducting probe ingenious combination, and it is functionally mutually indepedent, it does not interfere with each other.
The utility model has the advantages that: delicate structure, it is small in size, it is light-weight, it can be used for narrow sky in Petroleum Production well logging
The interior real-time online that real-time online measuring or gas-liquid two-phase flow containing rate are carried out to oil gas water multiphase gas holdup and specific retention
Measurement.
Detailed description of the invention
Fig. 1 is a kind of optical fiber conductance integration probe sensor structural schematic diagram of the utility model；
Fig. 2 is a kind of optical fiber conductance integration probe sensor tip partial schematic diagram of the utility model；
Fig. 3 is a kind of optical fiber conductance integration probe sensor tip schematic top plan view of the utility model；
Fig. 4 is a kind of optical fiber conductance integration probe sensor bottom schematic top plan view of the utility model；
Fig. 5 is a kind of optical fiber conductance integration probe sensor optical fiber control circuit schematic diagram of the utility model；
Fig. 6 is a kind of optical fiber conductance integration probe sensor conductance control circuit schematic diagram of the utility model.
Specific embodiment
The utility model optical fiber conductance integration probe sensor is described in detail in conjunction with attached drawing:
In Fig. 1, the utility model optical fiber conductance integration probe sensor is mainly by optical fiber sensing probe 1, conductance No. 1 number
(5 be coupling fiber coupling part, and 6 be coupling fiber optic tap portion for electrode 2, insulation tube 3, No. 2 electrodes 4 of conductance, coupling optical fiber 5 and 6
Point), light source 7, optical detector 8, optical fiber control circuit 9, conductance control circuit 10, probe interior gap 11, conductance control circuit
It is supply lines 12, conductance control circuit signal wire 13, optical fiber control circuit supply lines 14, optical fiber control circuit signal wire 15, stainless
Steel bushing is grounded 16, stainless steel sleeve 17.The ground line of optical fiber control circuit 9 and conductance control circuit 10 is directly and stainless steel
Sleeve 17 is connected.No. 1 electrode 2 of conductance, insulation tube 3, No. 2 electrodes 4 of conductance and conductance control circuit 10 constitute conductance measurement part,
Wherein No. 2 electrodes 4 of conductance are stainless pipe, are welded on stainless steel sleeve 17, No. 2 electrodes 4 of conductance and stainless steel sleeve 17
It is both the cathode of conductance measurement part, while is also the outer protective shell of probe；Insulation tube 3 is fixed using high-temperature insulation marine glue
In No. 2 electrodes 4 of conductance, No. 1 electrode 2 of conductance is stainless pipe, is fixed on insulation tube 3 using high-temperature insulation marine glue
Interior, No. 2 electrodes 4 of No. 1 electrode 2 of conductance and conductance are separated by insulation tube 3.Optical fiber sensing probe 1, coupling optical fiber 5 and 6, light source
7, optical detector 8 and optical fiber control circuit 9 constitute optical fiber measurement part, and wherein optical fiber sensing probe 1 and coupling optical fiber 5 and 6 make
Be fixed in No. 1 electrode 2 of conductance with high-temperature insulation marine glue, light source 7 and optical detector 8 respectively with couple two points of optical fiber
Branch 6 is connected.Light source 7, optical detector 8, optical fiber control circuit 9 and conductance control circuit 10 are encapsulated in stainless steel sleeve, are visited
Needle internal voids 11 are filled using high-temperature insulation marine glue, and are used to fix optical fiber sensing probe 1, coupling 5 and of optical fiber
6, No. 1 electrode 2 of conductance and insulation tube 3, while preventing internal each component short circuit, prevent probe water inlet and increasing the anti-of probe entirety
Pressure energy power.
In Fig. 2, a kind of optical fiber conductance integration probe sensor tip partial schematic diagram of the utility model.Wherein optical fiber
The conical portion of sensing probe 1 will expose No. 1 electrode 2 of conductance, and the length of No. 1 electrode 2 of conductance is greater than the length of insulation tube 3
Degree, the length of insulation tube 3 are greater than the length of No. 2 electrodes 4 of conductance, and No. 2 No. 1 electrode 2 of conductance, insulation tube 3 and conductance electrodes 4 exist
Probe tip forms step structure；Probe interior gap 11 is filled using high-temperature insulation marine glue.
In Fig. 3, a kind of optical fiber conductance integration probe sensor tip schematic top plan view of the utility model.Wherein, by
It is interior to arrive outside successively are as follows: No. 2 optical fiber sensing probe 1, No. 1 electrode 2 of conductance, insulation tube 3 and conductance electrodes 4, probe interior gap 11
It is filled using high-temperature insulation marine glue.
In Fig. 4, a kind of optical fiber conductance integration probe sensor bottom schematic top plan view of the utility model.Wherein, 12
It is conductance control circuit signal wire for conductance control circuit supply lines, 13,14 be optical fiber control circuit supply lines, and 15 be optical fiber control
Circuit signal line processed, 16 are grounded for stainless steel sleeve, and 17 be stainless steel sleeve.
In Fig. 5, a kind of optical fiber conductance integration probe sensor optical fiber control circuit schematic diagram of the utility model.Wherein
Optical fiber control circuit 9 includes light source 18, optical detector 19, resistance 20,21 and 22；14 be optical fiber control circuit supply lines, and 15 are
Optical fiber control circuit signal wire；Optical fiber control circuit supply lines 14, light source 18, resistance 20 and ground terminal constitute optical fiber control circuit
9 luminous circuit, optical fiber control circuit supply lines 14, optical detector 19, resistance 21 and ground terminal constitute optical fiber control circuit 9
Light receiver circuit, resistance 5 are the protective resistance of optical fiber control circuit signal wire 15.
In Fig. 6, a kind of optical fiber conductance integration probe sensor conductance control circuit schematic diagram of the utility model.Wherein
Conductance control circuit 10 includes cathode 23, anode 24, resistance 25 and 26；12 be conductance control circuit supply lines, and 13 be conductance control
Circuit signal line processed；Cathode 23 connects No. 2 electrodes 4 of conductance, and anode 24 connects No. 1 electrode 2 of conductance；Conductance control circuit supply lines 12,
Resistance 26, resistance 25, the dielectric resistance between the cathode 23 in parallel with resistance 25 and anode 24, ground terminal collectively form conductance survey
Measure circuit；Dielectric resistance resistance value size between cathode 23 and anode 24 depends on No. 2 electrodes 4 of probe tip conductance and conductance 1
The conductivity of medium between number electrode 2, the resistance value for the resistance 25 that medium is in parallel between cathode 23 and anode 24 is according to probe institute
The conductivity of water is adjusted in place's fluid, and resistance 26 is the divider resistance on conductance measurement circuit.
Claims (4)
1. a kind of optical fiber conductance integration probe sensor, including optical fiber sensing probe, coupling optical fiber, light source, optical detector, light
Fine control circuit, No. 1 electrode of conductance, No. 2 electrodes of conductance, insulation tube, conductance control circuit and stainless steel sleeve, wherein optical fiber is quick
Sense probe and coupling optical fiber are encapsulated in No. 1 electrode of conductance, and No. 1 electrode of conductance is encapsulated in insulation tube, and insulation tube is sealed
In No. 2 electrodes of conductance, light source, optical detector, optical fiber control circuit and conductance control circuit are encapsulated in and No. 2 electricity of conductance
In the stainless steel sleeve of pole connection.
2. a kind of optical fiber conductance integrated transducer according to claim 1, it is characterized in that: No. 2 electrodes of the conductance are
Stainless steel tube is located at probe outermost layer.
3. a kind of optical fiber conductance integrated transducer according to claim 1, it is characterized in that: the insulation tube is positioned at described
Between No. 2 electrodes of No. 1 electrode of conductance and the conductance, No. 2 electrodes of No. 1 electrode of conductance and conductance are dielectrically separated from.
4. a kind of optical fiber conductance integrated transducer according to claim 1 or 2 or 3, it is characterized in that: the conductance 1
Electrode, No. 2 electrodes of the insulation tube and the conductance length successively successively decrease, passed in a kind of optical fiber conductance integration probe
Sensor tip forms step structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423720.2U CN208223539U (en) | 2018-03-28 | 2018-03-28 | A kind of optical fiber conductance integration probe sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423720.2U CN208223539U (en) | 2018-03-28 | 2018-03-28 | A kind of optical fiber conductance integration probe sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223539U true CN208223539U (en) | 2018-12-11 |
Family
ID=64504473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423720.2U Expired - Fee Related CN208223539U (en) | 2018-03-28 | 2018-03-28 | A kind of optical fiber conductance integration probe sensor |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708564A (en) * | 2018-12-13 | 2019-05-03 | 天津大学 | Gas-liquid/oil gas water multiphase thickness of liquid film distribution method for measuring conductance |
| CN109738488A (en) * | 2019-02-20 | 2019-05-10 | 中国科学院过程工程研究所 | A kind of reed-type probe being conveniently replaceable needle section |
| CN109884354A (en) * | 2019-02-20 | 2019-06-14 | 中国科学院过程工程研究所 | A kind of contact pin type probe being conveniently replaceable needle section |
| CN110273681A (en) * | 2019-07-02 | 2019-09-24 | 燕山大学 | Oil-gas-water multiphase fluid void fraction measuring system and method in Petroleum Production well logging |
| CN110411985A (en) * | 2019-07-02 | 2019-11-05 | 燕山大学 | A kind of oil-gas-water three-phase flow void fraction measurement method and system |
| CN110887837A (en) * | 2019-12-05 | 2020-03-17 | 西安交通大学 | Optical fiber probe for measuring local parameters of high-temperature and high-pressure two-phase flow and sealing structure and method thereof |
| CN114858707A (en) * | 2022-03-15 | 2022-08-05 | 燕山大学 | Plug-in combined optical fiber array sensor and gas-liquid two-phase flow parameter measuring method |
-
2018
- 2018-03-28 CN CN201820423720.2U patent/CN208223539U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708564A (en) * | 2018-12-13 | 2019-05-03 | 天津大学 | Gas-liquid/oil gas water multiphase thickness of liquid film distribution method for measuring conductance |
| CN109708564B (en) * | 2018-12-13 | 2020-11-06 | 天津大学 | Gas-liquid/oil-gas-water multiphase flow liquid film thickness distributed conductivity measurement method |
| CN109738488A (en) * | 2019-02-20 | 2019-05-10 | 中国科学院过程工程研究所 | A kind of reed-type probe being conveniently replaceable needle section |
| CN109884354A (en) * | 2019-02-20 | 2019-06-14 | 中国科学院过程工程研究所 | A kind of contact pin type probe being conveniently replaceable needle section |
| CN109884354B (en) * | 2019-02-20 | 2020-10-13 | 中国科学院过程工程研究所 | Contact pin type probe convenient for replacing needle head part |
| CN110273681A (en) * | 2019-07-02 | 2019-09-24 | 燕山大学 | Oil-gas-water multiphase fluid void fraction measuring system and method in Petroleum Production well logging |
| CN110411985A (en) * | 2019-07-02 | 2019-11-05 | 燕山大学 | A kind of oil-gas-water three-phase flow void fraction measurement method and system |
| CN110411985B (en) * | 2019-07-02 | 2020-06-19 | 燕山大学 | Oil-gas-water three-phase flow split-phase content rate measuring method and system |
| CN110887837A (en) * | 2019-12-05 | 2020-03-17 | 西安交通大学 | Optical fiber probe for measuring local parameters of high-temperature and high-pressure two-phase flow and sealing structure and method thereof |
| CN110887837B (en) * | 2019-12-05 | 2023-12-19 | 西安交通大学 | Optical fiber probe for measuring local parameters of high-temperature high-pressure two-phase flow and sealing structure and method thereof |
| CN114858707A (en) * | 2022-03-15 | 2022-08-05 | 燕山大学 | Plug-in combined optical fiber array sensor and gas-liquid two-phase flow parameter measuring method |
| CN114858707B (en) * | 2022-03-15 | 2024-04-02 | 燕山大学 | Plug-in type combined optical fiber array sensor and gas-liquid two-phase flow parameter measurement method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |