CN1003190B - 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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- CN1003190B CN1003190B CN86100707A CN86100707A CN1003190B CN 1003190 B CN1003190 B CN 1003190B CN 86100707 A CN86100707 A CN 86100707A CN 86100707 A CN86100707 A CN 86100707A CN 1003190 B CN1003190 B CN 1003190B
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- G01—MEASURING; TESTING
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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
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Abstract
The present invention relates to a microwave measurement device for measuring the water saturation of a core physical model, which is used for development researches of petroleum. In order to solve the problem of instantaneous distribution of the water saturation of the core physical model, the present invention uses a polynary single-row sending/receiving aerial array to form multi-path measurement, and a data collection and control system utilizes a single-pole multi-throw microwave switch to achieve time-division emission and reception of microwave signals; meanwhile, driven by an antenna control unit and a movable actuating mechanism, the polynary single-row sending/receiving aerial array carries out mechanical scanning in the direction perpendicular to the polynary single-row sending/receiving aerial array to form quick electromechanical scanning of the large-area massive core physical model. The present invention is flexible and convenient in operation and has the characteristics of automation, digitization, computerization, etc.
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, study and make best development of injection-production process program and develop oil fields with the highest oil recovery rate and the highest recovery ratio, * is to the purpose of oil-field development extended high rate stable yields.In October, 1974, U.S. R.W. Pa Xunsi can go up in american petroleum IEEE the 49th autumn, at first delivered with the experimental provision of microwave attenuation measurement testing saturation of water contained in physical model of petroleum rock core and the article " Mlcroware Attenuation-A New Tocl For Monoring in Laborat ory Flooding Experiments " of experimental result and utilized water to receive microwave strongly, other composition of model (oil, gas, * stone, 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, 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 simple, convenient and rapidly.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 of " S " type mechanical scanning, Dec in the same year, deliver the article that is entitled as " microwave oil reservoir plane physical model ", 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, for improve adjacent antenna between isolation, with reduce adjacent antenna between influence each other and the measuring error that produces, emission, receiving antenna array adopt the cross feed mode, promptly, emission and receiving antenna array (12,12 ') feed are not by the putting in order successively to antenna feed of its aerial array, but make it keep the mode of certain intervals to antenna feed.
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 through hilted broadsword throw microwave switch (6) control emission more, receiving antenna array (12,12 ') carries out timesharing to petroleum rock core physical model (13) and transmits and receives, and constitutes the quick electric scanning of one dimension strip; Emission, receiving antenna array (12,12 ') place the both sides up and down of core support (34) and are installed in correspondingly on the antenna holder (14), antenna holder (14) places by guide wheel (15) on the guide wheel (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 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) more emission, receiving antenna array (12,12 ') is carried out quick electric scanning control.Simultaneously, to receiving by receiving antenna array (12 '), after detection (7), low frequency amplify (2), the low frequency measurement signal that water saturation changes in reflection petroleum rock core physical model (13) carry 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 duties such as various measurement, inspection and output provide various methods of operating; 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 in the middle of emission, the receiving antenna array (12,12 ') and install 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 adjacent antenna between influence each other and the measuring error that produces, its feed order and time by data acquisition with visit system system (4) and control.
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 realization.Measuring error is little, the measuring accuracy height, and 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); Transmit receive antenna array (12,12 ') adopts 16 yuan of waveguide electromagnetic horns to constitute the single file aerial array, forms 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 forms, 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), realizes the conversion of microwave signal, the 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 CRO*CO-III universal microcomputer system support.When the figure off-line working of being supported with CRO*CO-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 data temporary storage, can connect selected form output print in batch for measurement data; Software is by system's gated sweep program, data acquisition and give and revise application program and system program three parts are formed; Photoelectricity to sweep driver (10) 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 U type traversing carriage (24) symmetrically, U type traversing carriage (24) is fixed on antenna holder (14) and goes up and move with its straight line, light leak plate (22) is positioned in the middle of the U type 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 one speed reducer (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 in the middle of emission, the receiving antenna array (12,12 '), is installed in examination and surveys on frame (16) framework table (17); When emission, receiving antenna array (12,12 ') carry out first time full-size scanning measurement to core, 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 (11), promptly starter motor one speed reducer (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, again petroleum rock core physical model (13) being carried out the full-size scanning second time measures, get the mean value of twice measured value, be petroleum rock core physical model (13) water saturation measured value; For improve adjacent antenna between isolation, with reduce because of adjacent antenna between the measuring error that influences each other and produce, emission, receiving antenna array (12,12 ') adopt the cross feed mode, by 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 by comprising microwave signal source and feed device (5) thereof, emission and receiving antenna (12,12 ') microwave system (1) formed, be in emission and receiving antenna (12,12 ') the middle core support (34) of placing core (13), amplify the low frequency amplification system (2) of microwave detector (7) output signal, driven antenna is made the scanning system (3) of mechanical scanning and is detected the pen recorder compositions such as (4) of data, it is characterized in that: emission and receiving antenna (12,12) adopt polynary single file aerial array channeling to measure branch road, microwave signal is thrown microwave switch (6) control emission and receiving antenna array (12 through hilted broadsword more, 12 ') core physical model (13) is carried out timesharing transmit and receive, constitute the quick electric scanning of one dimension strip; Emission places the both sides up and down of core support (34) also-one to be installed in accordingly on the antenna holder (14) with receiving antenna array (12,12 '), antenna holder (14) places by guide wheel (15) on the guide rail (18) of framework table (17) side of testing jig (16), drive by the mobile topworks of antenna control unit (8) (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) more emission and receiving antenna array (12,12 ') is carried out quick electric scanning control, simultaneously, to receiving by receiving antenna array (12 '), the low frequency measurement signal that water saturation changes in the reflection petroleum rock core physical model (13) after detection (7) low frequency amplifies (2) carries out real-time data acquisition and processing, and data are given correction, storage and demonstration and printout; 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 the centre of emission and receiving antenna array (12,12 '), and device can make petroleum rock core physical model (13) be in different measuring positions to take multiple measurements on the framework table (17) of testing jig (16); For improve adjacent antenna between isolation, with reduce because of adjacent antenna between the measuring error that influences each other and produce, emission is adopted the cross feed mode with receiving antenna array (12,12 '), i.e. emission and the feed of receiving antenna array (12,12 ') are not by the putting in order successively to antenna feed of its aerial array, but make it keep the mode of certain intervals to antenna feed.Its feed order and time are controlled by Data Acquisition and Conversion System (DACS) (4).
2,, it is characterized in that emission and receiving antenna array (12,12 ') are 16 yuan of waveguide loudspeaker single file aerial arrays 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 branch road of * 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 MC6300 series microprocessor additional integrated A/D converter of B-MSZ of RS1 this film 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 CROMEMCO-III general purpose microprocessor system, when the figure off-line working of being supported with CROMEMCO-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), U-shaped traversing carriage (24), light activated element (25) and microprocessor institutes such as (26) according to the measurement mechanism of claim 1.Light source (20) and light activated element (25) are installed on the U-shaped traversing carriage (24) symmetrically, U-shaped traversing carriage (24) is fixed in antenna holder (14) and moves with its straight line, light leak plate (22) is positioned at the centre of U-shaped traversing carriage (24) and installs in the side of the framework table (17) of testing jig (16), and the center of its leaky hole (23) is in the approach of light beam (21) propagation.
6, according to the measurement mechanism of claim 1, it is characterized in that core support and elevating mechanism thereof (11) are by motor one speed reducer (27) rotary screw rod (28), again by transmission nut (29) drivening rod (32), be installed on skewback (33) linear reciprocating motion thereupon on the connecting rod (32), the bearing wheel (30) that is arranged on the skewback (33) moves up and down in skewback (33) motion thereupon, and it promotes core support (34) by push rod (31) again and does elevating movement up and down.Core support and elevating mechanism thereof (11) are positioned at emission and also install on the framework table (17) of testing jig (16) with the centre of receiving antenna array (12,12 ').
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 CN86100707A (en) | 1987-01-31 |
| CN1003190B true 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) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140030813A1 (en) * | 2011-11-18 | 2014-01-30 | Petroleo Brasileiro S.A. - Petrobras | System and method for measuring hydro carbonate content in minerals |
| 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 |
| CN107064176B (en) * | 2017-03-13 | 2019-07-19 | 中国石油大学(北京) | Rock core water containing saturability measuring system |
| US10914688B2 (en) | 2018-02-28 | 2021-02-09 | Saudi Arabian Oil Company | Detecting saturation levels of a sample core using electromagnetic waves |
| 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 |
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1986
- 1986-01-24 CN CN86100707A patent/CN1003190B/en not_active Expired
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| Publication number | Publication date |
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| CN86100707A (en) | 1987-01-31 |
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