CN86100707A - Microwave measurement device for testing saturation of water contained in physical model of petroleum rock core - Google Patents
Microwave measurement device for testing saturation of water contained in physical model of petroleum rock core Download PDFInfo
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- CN86100707A CN86100707A CN198686100707A CN86100707A CN86100707A CN 86100707 A CN86100707 A CN 86100707A CN 198686100707 A CN198686100707 A CN 198686100707A CN 86100707 A CN86100707 A CN 86100707A CN 86100707 A CN86100707 A CN 86100707A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/241—Earth materials for hydrocarbon content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
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Abstract
The present invention is a kind of core microwave measurement device for testing saturation of water contained in physical model that is used for oil development research.For solving the instantaneous distribution problem of core testing saturation of water contained in physical model, the present invention adopts polynary single file dual-mode antenna array to form multichannel measurement, throws microwave switch by Data Acquisition and Conversion System (DACS) through hilted broadsword more and realizes that the timesharing of microwave signal transmits and receives; Simultaneously, drive, make the dual-mode antenna array on the direction perpendicular, do mechanical scanning, constitute the quick dynamo-electric scanning of the block core physical model of large tracts of land with it by antenna control unit and mobile topworks.Flexible operation, easy, and have characteristics such as robotization, digitizing and computerization.
Description
The present invention is a kind of microwave measurement device for testing saturation of water contained in physical model of petroleum rock core that is used for oil development research.
In oil development research, need carry out the water flooding simulated experiment in the laboratory, to observe under different injection-production methods, distribution of mobility status, oil displacement efficiency, injection water and the irreducible oil of injection water or the like in the oil reservoir, research also works up best development of injection-production process program, develop oil fields with the highest oil recovery rate and the highest recovery ratio, reach the purpose of oil-field development extended high rate stable yields.In October, 1974, U.S. RW Pa Xunsi is in the 49th annual meeting in autumn of american petroleum IEEE, at first delivered with microwave attenuation and measured the experimental provision of testing saturation of water contained in physical model of petroleum rock core and the article (list of references 1) of experimental result, utilize water to receive microwave strongly, other composition of model (oil, gas, sandstone, epoxy coating etc.) then absorbs very little characteristic, can measure the distribution and the variation thereof of water displacing oil process water saturation in the petroleum rock core physical model simple, convenient and rapidly.This is for observing oilfield water extraction process, research oil recovery mechanism (comprising secondary, tertiary oil recovery mechanism), seeking best injection-production program and found a kind of new method.Experiment shows, measure postmortem method, electric-resistivity method, capacitance method, x-ray method and the tracer method etc. that the water saturation in the petroleum rock core physical model continues to use than tradition in the oil development research with microwave attenuation and all have many obvious superiority, quick, easy, accurate, need not contact and destroy sample.But therefore single branch road measurement mechanism that the experimental provision of Pa Xunsi just is made up of a pair of emission, receiving antenna, has only solved the measurement of one dimension strip testing saturation of water contained in physical model of petroleum rock core.In 1979, China Yumen Oilfield management board exploratory development planning and design institute and Lanzhou University's cooperation research and development adopt a pair of emission, receiving antenna to make the testing saturation of water contained in physical model of petroleum rock core measurement mechanism (list of references 2) of " S " type mechanical scanning, realized the measurement of the block core testing saturation of water contained in physical model of two-dimentional large tracts of land.But, because the pure mechanical scanning of " S " type of employing so measuring speed is slow, fails to solve the instantaneous distribution problem of testing saturation of water contained in physical model of petroleum rock core, and, also fail to eliminate the measuring error that produces because of influencing each other between antenna and the core.
Purpose of the present invention is exactly in order to improve the measuring speed of the block core testing saturation of water contained in physical model of two-dimentional large tracts of land, on engineering, realize the instantaneous distribution problem of core testing saturation of water contained in physical model, the measuring error that reduction produces because of influencing each other between antenna and the core further improves measuring accuracy.
The scheme of its solution is: adopt single file emission, receiving antenna array channeling measurement mechanism to replace the single branch road measurement mechanism that has only a pair of emission, receiving antenna to form in the prior art, throw microwave switch by hilted broadsword more and realize that microwave signal transmits and receives the timesharing of core physical model, constitutes the quick electric scanning of one dimension strip.Simultaneously, drive, make emission, receiving antenna array be listed on the direction perpendicular straight line and move and do mechanical scanning, scan thereby the core physical model is realized that two-dimentional large tracts of land is dynamo-electric fast with it by antenna control unit and mobile topworks.In order to realize quick scanning survey, just must carry out quick scan control, multi-channel data acquisition, data processing, demonstration and printout to emission, receiving antenna array.So, need with microprocessor as Data Acquisition and Conversion System (DACS).Adopt simple photoelectricity line scanning driver to provide the row energization signal for Data Acquisition and Conversion System (DACS).In order to improve measuring accuracy, the core support should be able to lifting, can measure the core physical model on diverse location, reduces the measuring error that produces because of influencing each other between core and the antenna by repeatedly measuring the way of getting its mean value again.In addition, emission, receiving antenna array adopt the cross feed mode improve adjacent antenna between isolation, in order to reduce influencing each other and the measuring error that produces between the adjacent antenna.
Solution of the present invention realizes with following way: emission, receiving antenna adopt multiple-element antenna to constitute single file aerial array channeling and measure branch road, microwave signal is thrown microwave switch (6) control emission, receiving antenna array (12 through hilted broadsword more, 12 ') petroleum rock core physical model (13) is carried out timesharing transmit and receive, constitute the quick electric scanning of one dimension strip; Emission, receiving antenna array (12,12 ') be installed on the antenna holder (14), antenna holder (14) places by guide wheel (15) on the guide rail (18) of framework table (17) side of testing jig (16), drive by antenna control unit (8) and mobile topworks (9), with emission, receiving antenna array (12,12 ') straight line moves and does mechanical scanning on the perpendicular direction, thereby realize the quick dynamo-electric scanning of the block core of two-dimentional large tracts of land; The controlling signal control hilted broadsword that Data Acquisition and Conversion System (DACS) (4) produces is thrown microwave switch (6) to emission more, receiving antenna array (12,12 ') carry out quick electric scanning control, simultaneously, to receiving by receiving antenna array (12 '), through detection (7), after amplifying (2), the low frequency measurement signal that water saturation changes in the reflection petroleum rock core physical model (13) carries out real-time data acquisition and processing, the data place of giving just, storage and demonstration and printout, and to each road reception, transmitting branch detects and various measurement, duties such as inspection and output provide various modes of operation; Photoelectricity line scanning driver (10) provides the row energization signal for Data Acquisition and Conversion System (DACS) (4); Core support and elevating mechanism thereof (11) are positioned at emission, receiving antenna array (12,12 ') between, device is on the framework table (17) of testing jig (16), can make petroleum rock core physical model (13) be in different measuring positions, get doing of its mean value again and determine and reduce the measuring error that produces because of influencing each other between core and the antenna by repeatedly measuring; The cross feed mode that adopts emission, receiving antenna array (12,12 ') improve adjacent antenna between isolation, with reduce adjacent antenna between influence each other and the measuring error that produces, its feed order and time are controlled by Data Acquisition and Conversion System (DACS) (4).
Because the present invention has taked abovementioned technology, compared with prior art, the present invention has measuring speed and (as adopting pure mechanical scanning mode, measures one 500 * 500 millimeters soon
2Core need 20～30 minutes, and adopt dynamo-electric scan mode, the core of measuring same area only needs half a minute), make the instantaneous distribution problem of core testing saturation of water contained in physical model on engineering, obtain real the realization, measuring error is little, measuring accuracy height, flexible operation, easy to use, and have characteristics such as robotization, digitizing and computerization.
Accompanying drawing has been described one embodiment of the present of invention.
Fig. 1 is a block scheme of the present invention;
Fig. 2 is the dynamo-electric scan mode synoptic diagram of the present invention;
Fig. 3 is the dynamo-electric Scan Architecture figure of the present invention;
Fig. 4 is that hilted broadsword 16 of the present invention is thrown PIN microwave switch formation and cross feed mode synoptic diagram;
Fig. 5 is a Data Acquisition and Conversion System (DACS) block scheme of the present invention;
Fig. 6 is the gated sweep program flow diagram of Data Acquisition and Conversion System (DACS) of the present invention;
Fig. 7 is the data acquisition of Data Acquisition and Conversion System (DACS) of the present invention and gives and revise application flows figure;
Fig. 8 is the system program of Data Acquisition and Conversion System (DACS) of the present invention;
Fig. 9 is core support of the present invention and elevating mechanism synoptic diagram thereof;
Figure 10 is the structural representation of photoelectricity line scanning driver of the present invention.
In an embodiment, to have selected 3 superhigh frequency bands for use be service band to microwave system (1); Emission, receiving antenna array (12,12 ') adopt 16 yuan of waveguide electromagnetic horns to constitute the single file aerial array, form 16 drive test amount branch roads, and each antenna is to being to take turns to operate, and each moment has only the emission of No. one antenna, receives; Hilted broadsword is thrown microwave switch (6) more and is adopted hilted broadsword 16 to throw the PIN microwave switch, it is thrown the PIN microwave switch by five hilted broadswords four and constitutes, one of them hilted broadsword four throw switch is a main switch, main switch has four branch roads, each branch road connects hilted broadsword four throw switches again, forms hilted broadsword 16 and throws PIN microwave switch (6).Hilted broadsword 16 is thrown PIN microwave switch (6) and is connected between microwave source (5) and emitting antenna (12) and receiving antenna (12 ') and the detection (7), realize the conversion of microwave signal, control emission, receiving antenna array (12,12 ') timesharing emission, reception; Data Acquisition and Conversion System (DACS) (4) utilizes the existing MC6800 integrated A/D converter of series microprocessor LSI chip attach B-MSZ and some peripheral interface circuits to form the front-end processor of a special-purpose microcomputer system as scanning survey process control and data acquisition, and the graphics process of measurement data and demonstration are then finished by multi-user's graphics system of CROMEMCO-III universal microcomputer system support.When the figure off-line working of being supported with CROMEMCO-III system, for measure portion still can be measured operation and output record data easily, notebook data gather with control system (4) disposed again one microprocessor-controlIed and have the dot matrix short line printer of the temporary memory of data, can be for measurement data in batch by selected form output print; Software is by system's gated sweep program, data acquisition and give and revise application program and system program three parts are formed; Photoelectricity line scanning driver (10) is by power supply (19), light source (20), light beam (21), light leak plate (22), leaky hole (23), traversing carriage (24), light activated element (25), microprocessor compositions such as (26), light source (20) and light activated element (25) are installed on the traversing carriage (24), traversing carriage (24) is fixed in antenna holder (14) and moves with its straight line, light leak plate (22) is positioned at traversing carriage (24) and installs in the side of testing jig (16) framework table (17), and the center of its leaky hole (23) is in the approach of beam propagation; When light source (20) and light activated element (25) are mobile with antenna holder (14), after the light beam (21) that light source (20) sends passes leaky hole (23) and is received by light activated element (25), light is become the electric pulse signal be sent to the electric scanning of driving circuit do that Data Acquisition and Conversion System (DACS) (4) de-energisation hilted broadsword 16 is thrown PIN microwave switch (6), the line position signal meanwhile also is provided; Core support and elevating mechanism thereof (11) are formed link gear by motor-speed reduction unit (27), screw mandrel (28), nut (29), bearing wheel (30), push rod (31), connecting rod (32), skewback (33), core support (34) and slide (35) etc., it is positioned between emission, the receiving antenna array (12,12 '), is installed on testing jig (16) framework table (17); Work as emission, receiving antenna array (12,12 ') carry out the first time during scanning survey, core support (34) is in low-end trim, after antenna holder (14) shifts out the test section, when touching the control module of core support elevating mechanism, be that starter motor-speed reduction unit (27) rotates, through screw mandrel (28) transmission nut (29) and connecting rod (32), skewback (33) movement therewith, and promotion bearing wheel (30) and push rod (31), core support (34) rise is in a high position, petroleum rock core physical model (13) carries out the scanning survey second time, get the mean value of twice measured value, be the measured value of petroleum rock core physical model (13) water saturation; For improve adjacent antenna between isolation, emission, receiving antenna array (12,12 ') adopt the cross feed mode, press the order feed of 1-5-9-13,2-6-10-14,3-7-11-15 and 4-8-12-16, its feed order and time are controlled by Data Acquisition and Conversion System (DACS) (4).
Claims (6)
1, a kind of microwave measurement device for testing saturation of water contained in physical model of petroleum rock core that is used for oil development research is made up of microwave system [1], low frequency amplification system [2], scanning system [3] and pen recorder [4] etc., it is characterized in that: emission, receiving antenna adopt polynary single file aerial array channeling to measure branch road, microwave signal through hilted broadsword throw microwave switch [6] control emission more, receiving antenna array [12,12 '] carries out timesharing to core physical model [13] and transmits and receives, and constitutes the quick electric scanning of one dimension strip; Emission, receiving antenna array [12,12 '] are installed on the antenna holder [14], antenna holder places by guide wheel [15] on the guide rail [18] of framework table [17] side of testing jig [16], drive by antenna control unit [8] and mobile topworks [9], with the perpendicular direction of emission, receiving antenna array [12,12 '] on straight line move and do mechanical scanning, thereby realize the quick dynamo-electric scanning of the block core physical model of two-dimentional large tracts of land; The controlling signal control hilted broadsword that Data Acquisition and Conversion System (DACS) [4] produces is thrown microwave switch [6] to emission more, receiving antenna array [12,12 '] carry out quick electric scanning control, simultaneously, to receiving by receiving antenna array [12 '], through detection [7], amplify the low frequency measurement signal that water saturation changes in [2] the back reflection petroleum rock core physical models [13] and carry out real-time data acquisition and processing, data are given correction, storage and demonstration and printout, and be each road emission, receiving branch detects and various measurement, duties such as inspection and output provide various modes of operation; Photoelectricity line scanning driver [10] provides the row energization signal for Data Acquisition and Conversion System (DACS) [4]; Core support and elevating mechanism [11] are positioned between emission, the receiving antenna array [12,12 '], device is on the framework table [17] of testing jig [16], can make petroleum rock core physical model [13] be in different measuring positions, reduce the measuring error that produces because of influencing each other between core and the antenna by repeatedly measuring the way of getting its mean value again; The cross feed mode that adopts emission, receiving antenna array [12,12 '] improve adjacent antenna between isolation, with reduce because of adjacent antenna between the measuring error that influences each other and produce, its feed order and time are controlled by Data Acquisition and Conversion System (DACS) [4].
2,, it is characterized in that emission, receiving antenna array (12,12 ') are 16 yuan of waveguide horn array row according to the measurement mechanism of claim 1.
3, according to the measurement mechanism of claim 1, it is characterized in that it is that hilted broadsword 16 is thrown the PIN microwave switch that hilted broadsword is thrown microwave switch (6) more, it is thrown the PIN microwave switch by five hilted broadswords four and forms, one of them hilted broadsword four throw switch is a main switch, main switch has four branch roads, and each branch road connects hilted broadsword four throw switches again.
4, measurement mechanism according to claim 1, it is characterized in that Data Acquisition and Conversion System (DACS) (4) adopts the MC6800 integrated A/D converter of series microprocessor LSI chip attach B-MSZ and some peripheral interface circuits to form the front-end processor of a microcomputer system as scanning survey process control and data acquisition, the graphics process of measurement data and demonstration are finished by multi-user's graphics system of CRO-MEMCO-III general purpose microprocessor system, when the figure off-line working of being supported with CROMEM-CO-III system, for making measure portion still can measure operation and output record data easily, native system also disposed one microprocessor-controlIed and have a data temporary storage dot matrix short line printer; Software comprises system control program, data acquisition and gives and revise application program and system program three parts.
5,, it is characterized in that photoelectricity line scanning driver (10) is made up of power supply (19), light source (20), light beam (21), light leak plate (22), leaky hole (23), traversing carriage (24), light activated element (25) and microprocessor institutes such as (26) according to the measurement mechanism of claim 1.
6,, it is characterized in that core support and elevating mechanism thereof (11) are the link gears that is made of motor-speed reduction unit (27), screw mandrel (28), nut (29), bearing wheel (30), push rod (31), connecting rod (32), skewback (33), core support (34) and slide (35) etc. according to the measurement mechanism of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86100707A CN1003190B (en) | 1986-01-24 | 1986-01-24 | Microwave measurement device for testing saturation of water contained in physical model of petroleum rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86100707A CN1003190B (en) | 1986-01-24 | 1986-01-24 | Microwave measurement device for testing saturation of water contained in physical model of petroleum rock core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86100707A true CN86100707A (en) | 1987-01-31 |
| CN1003190B CN1003190B (en) | 1989-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86100707A Expired CN1003190B (en) | 1986-01-24 | 1986-01-24 | Microwave measurement device for testing saturation of water contained in physical model of petroleum rock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1003190B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013071378A1 (en) * | 2011-11-18 | 2013-05-23 | Petróleo Brasileiro S.A. - Petrobras | System and method for measuring the hydrocarbon content of mineral ores |
| CN105403577A (en) * | 2015-12-07 | 2016-03-16 | 华南农业大学 | Fruit tree root liquid fertilizer infiltration measurement system |
| CN107064176A (en) * | 2017-03-13 | 2017-08-18 | 中国石油大学(北京) | Rock core water containing saturability measuring system |
| WO2019166870A1 (en) * | 2018-02-28 | 2019-09-06 | Saudi Arabian Oil Company | Detecting saturation levels of a sample core using electromagnetic waves |
| CN112190227A (en) * | 2020-10-14 | 2021-01-08 | 上海鹰瞳医疗科技有限公司 | Fundus camera and method for detecting use state thereof |
-
1986
- 1986-01-24 CN CN86100707A patent/CN1003190B/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013071378A1 (en) * | 2011-11-18 | 2013-05-23 | Petróleo Brasileiro S.A. - Petrobras | System and method for measuring the hydrocarbon content of mineral ores |
| CN105403577A (en) * | 2015-12-07 | 2016-03-16 | 华南农业大学 | Fruit tree root liquid fertilizer infiltration measurement system |
| CN105403577B (en) * | 2015-12-07 | 2018-01-30 | 华南农业大学 | A kind of fruit tree root liquid fertilizer infiltrates measuring system |
| CN107064176A (en) * | 2017-03-13 | 2017-08-18 | 中国石油大学(北京) | Rock core water containing saturability measuring system |
| CN107064176B (en) * | 2017-03-13 | 2019-07-19 | 中国石油大学(北京) | Rock core water containing saturability measuring system |
| WO2019166870A1 (en) * | 2018-02-28 | 2019-09-06 | Saudi Arabian Oil Company | Detecting saturation levels of a sample core using electromagnetic waves |
| US10914688B2 (en) | 2018-02-28 | 2021-02-09 | Saudi Arabian Oil Company | Detecting saturation levels of a sample core using electromagnetic waves |
| CN112190227A (en) * | 2020-10-14 | 2021-01-08 | 上海鹰瞳医疗科技有限公司 | Fundus camera and method for detecting use state thereof |
| CN112190227B (en) * | 2020-10-14 | 2022-01-11 | 北京鹰瞳科技发展股份有限公司 | Fundus camera and method for detecting use state thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1003190B (en) | 1989-02-01 |
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