CN203443906U - Experimental device for scanning heterogeneous model by utilizing CT - Google Patents
Experimental device for scanning heterogeneous model by utilizing CT Download PDFInfo
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- CN203443906U CN203443906U CN201320499359.9U CN201320499359U CN203443906U CN 203443906 U CN203443906 U CN 203443906U CN 201320499359 U CN201320499359 U CN 201320499359U CN 203443906 U CN203443906 U CN 203443906U
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Abstract
The utility model discloses an utilize experimental apparatus of inhomogeneous model of CT scanning, connect computer (9), the device includes: the device comprises a displacement system (1), a pressure sensor (2), a CT scanning system (3), a light source (4), a confining pressure system (5), a rock core holder (6), a metering tube (7) and a camera (8); the displacement system (1) is connected with the pressure sensor (2), the confining pressure system (5) and the metering tube (7) are connected with the rock core holder (6), and the CT scanning system (3) and the camera (8) are connected with the computer (9); through the experimental device provided by the embodiment of the utility model, the layered measurement of the intraformational heterogeneous model is realized while CT scanning is carried out, the liquid quantity change can be read in real time during the experiment, and the damage of X-rays to the human body is avoided; the video signal is stored in the computer and can be played back so as to check the accuracy of measurement, thereby improving the precision and reliability of the experiment; and simultaneously metering the flow of a plurality of layers is realized.
Description
Technical field
The utility model relates to a kind of simulation oil field and closes the experimental provision of noting separate zone production, espespecially a kind of experimental provision that utilizes CT scan non-homogeneous model.
Background technology
The beginning of the eighties in last century, the people such as Vinegar are incorporated into CT scan technology the research that reservoir physics aspect etc. has been carried out in petroleum industry field first, CT technology has obtained development rapidly afterwards, and the aspect such as measuring technology conventional in core analysis, the nonuniformity that is widely used in core description, rock core is measured, core sample handling procedure is determined, the measurement of crack quantitative test, online saturation degree, flowing experiment research.Utilize CT scan technology, can carry out visual research to rock core displacement process, obtain the saturation degree of rock core internal flow along journey distributed intelligence, understand deeply oil recovery mechanism, monitoring fluid dispersion and channelling characteristic, understanding polymer flooding to improving sweep area impact, disclose formation damage mechanism etc.
For non-homogeneous model water drive rule research in layer, often need oil, the water yield of each layer of extraction of stratified stoichiometric, and in the process of water displacing oil, adopt CT scan technology, obtain the saturation degree of rock core internal flow along journey distributed intelligence.In the prior art, in CT scan non-homogeneous model pilot system, can realize non-homogeneous model fluid saturation is realized to real time on-line monitoring, and the saturation degree that can obtain each interval distributes along journey, the layer cross flow phenomenon that also observable Action of Gravity Field causes.But in CT scan process, X ray is harmful, must carry out in the laboratory of isolation X ray, therefore, in scanning process, people can not enter oil, the water yield that reads every layer of extraction of simulated experiment in room.And oil, the water yield that will read three layers are easy to occur skip and reading error simultaneously.
Utility model content
The utility model is for above problem, adopt the image of camera system Real-time Collection measurement cuvette, be transferred to the computing machine outside isolation X-laboratory, read produce oil, the water variable quantity of each single-layer model, and utilize CT scan system, realize the on-line monitoring of convection cell saturation degree, the saturation degree that obtains each individual layer distributes along journey, analyzes the character that obtains formation model.
For achieving the above object, the utility model proposes a kind of experimental provision that utilizes CT scan non-homogeneous model, connect computing machine, described device comprises: displacement system, pressure transducer, CT scan system, light source, confined pressure system, core holding unit, gauge line and video camera, described displacement system connects described pressure transducer, and described pressure transducer, described confined pressure system and described gauge line connect described core holding unit, and described CT scan system and described video camera connect described computing machine, wherein, described core holding unit clamping rock core model, described displacement system is injected described rock core model by displacement fluid, described pressure transducer is measured pressure and the described rock core model pressure at two ends of described displacement system, described confined pressure system adds confined pressure to described core holding unit and rock core model, described gauge line receives the displacement fluid that described rock core model flows out, described CT scan system is carried out CT scan to described rock core model, and CT scan data are sent to described computing machine, described light source is for throwing light on to described gauge line, described video camera changes for the liquid measure of taking in gauge line, and the image that liquid measure is changed is sent to described computing machine, described computing machine receives the image of described CT scan data and the variation of described liquid measure, process rear generation experimental result screen display so that read in real time the variation of liquid measure.
Further, described displacement system is comprised of many high-pressure metering pumps, for carry multiple fluid to described rock core model simultaneously.
Further, described pressure transducer comprises: high-pressure sensor, for measuring the pressure of described high-pressure metering pump; Low-pressure sensor, for measuring described rock core model pressure at two ends.
Further, described CT scan system is comprised of CT scanner, for scanning the profit amount saturation degree of rock core model, and is sent to described computing machine.
Further, the position of described light source and the focal length of described video camera can be adjusted, so that the image that described video camera is taken is clearer.
Further, described confined pressure system is comprised of many pumps, for described core holding unit and rock core model are added to confined pressure, and simulation burden pressure.
By the experimental provision of the utility model embodiment, in CT scan, realize the stratified stoichiometric of non-homogeneous model in layer, when experiment, can read in real time liquid measure and change, avoided the infringement of X ray to human body; Vision signal deposits computing machine in, can playback, to check the accuracy of metering, improved precision and the reliability of experiment; And realized the flow that simultaneously measures a plurality of layers.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the experimental provision that utilizes CT scan non-homogeneous model of the utility model one embodiment.
Embodiment
Below coordinate diagram and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model object is taked.
The utility model adopts the image of camera system Real-time Collection measurement cuvette, be transferred to the computing machine outside isolation X-laboratory, read produce oil, the water variable quantity of each single-layer model, and utilize CT scan system, realize the on-line monitoring of convection cell saturation degree, the saturation degree that obtains each individual layer distributes along journey, analyzes the character that obtains formation model.
Fig. 1 is the structural representation of the experimental provision that utilizes CT scan non-homogeneous model of the utility model one embodiment.As shown in Figure 1, experimental provision 100 connects computing machine 9, comprising: displacement system 1, pressure transducer 2, CT scan system 3, light source 4, confined pressure system 5, core holding unit 6, gauge line 7 and video camera 8;
Displacement system 1 Bonding pressure sensor 2, pressure transducer 2, confined pressure system 5 and gauge line 7 connect core holding unit 6, CT scan system 3 and the 8 connection computing machines 9 of making a video recording; Wherein,
Core holding unit 6 clamping rock core models, displacement system 1 is injected rock core model by displacement fluid, pressure transducer 2 is measured pressure and the rock core model pressure at two ends of displacement system 1, 5 pairs of core holding units 6 of confined pressure system and rock core model add confined pressure, gauge line 7 receives the displacement fluid that rock core model flows out, 3 pairs of rock core models of CT scan system carry out CT scan, and CT scan data are sent to computing machine 9, light source 4 is for throwing light on to gauge line 7, video camera 8 changes for the liquid measure of taking in gauge line 7, and the image that liquid measure is changed is sent to computing machine 9, computing machine 9 receives the image of described CT scan data and the variation of described liquid measure, process rear generation experimental result screen display so that read in real time the variation of liquid measure.
In the present embodiment, displacement system 1 is comprised of many high-pressure metering pumps, for carry multiple fluid to rock core model simultaneously.
In the present embodiment, pressure transducer 2 comprises:
High-pressure sensor, for measuring the pressure of high-pressure metering pump;
Low-pressure sensor, for measuring rock core model pressure at two ends.
In the present embodiment, CT scan system 3 is comprised of CT scanner, for scanning the profit amount saturation degree of rock core model, and is sent to computing machine 9.
In the present embodiment, light source 4 connects a power supply (not illustrating), for gauge line 7 is thrown light on; By adjusting the position of light source 4 and the focal length of video camera 8, the image that video camera 8 is taken is clearer.
In the present embodiment, confined pressure system 5 is comprised of many pumps, for core holding unit 9 and rock core model are added to confined pressure, and simulation burden pressure.
In the present embodiment, described device 100 is applied in a laboratory, and computing machine 9 is positioned at outside laboratory; While testing, staff can pass through computing machine 9 Real Time Observation experimental data or images, has avoided the infringement of X ray to human body.
In the present embodiment, also can be provided with other computing machines (not illustrating), connect the devices such as displacement system 1, confined pressure system 5, for adjusting the running parameter of these devices.
Utilize above-mentioned experimental provision 100 concrete operation steps as follows:
Step S101, puts into core holding unit 6 by the non-homogeneous model of setting up irreducible water, utilizes confined pressure system 5 to add confined pressure; Utilize CT scan system 3 to carry out CT scan, determine the saturation data under irreducible water state, and be sent to computing machine 9.
Step S102, is ready to three gauge lines 7 at the endpiece of clamper, accesses respectively three single-layer models.
Step S103, is adjusted at the focal length of the brightness of gauge line top light source 4 and position, adjustment video camera 8, guarantees the image definition that video camera 8 is taken.The video output signals termination of video camera 8 is entered to the video inputs of computing machine 9 video frequency collection cards.
Step S104, opens video camera 8 and displacement system 6 and carries out flood pot test.Computing machine 9 receives the vision signal that video cameras 8 transmit, by described image display on display.In certain time interval, carry out CT scan and on the display of operation room, read the reading of gauge line 7 simultaneously.
Step S105, after experiment finishes, playback experiment video recording, the accuracy of confirmation reading.And can the reading of CT scan data and gauge line 7 be changed and be analyzed, obtain experimental result.
By the experimental provision of the utility model embodiment, in CT scan, realize the stratified stoichiometric of non-homogeneous model in layer, when experiment, can read in real time liquid measure and change, avoided the infringement of X ray to human body; Vision signal deposits computing machine in, can playback, to check the accuracy of metering, improved precision and the reliability of experiment; And realized the flow that simultaneously measures a plurality of layers.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. an experimental provision that utilizes CT scan non-homogeneous model, connect computing machine (9), it is characterized in that, described device comprises: displacement system (1), pressure transducer (2), CT scan system (3), light source (4), confined pressure system (5), core holding unit (6), gauge line (7) and video camera (8);
Described displacement system (1) connects described pressure transducer (2), described pressure transducer (2), described confined pressure system (5) and described gauge line (7) connect described core holding unit (6), and described CT scan system (3) and described video camera (8) connect described computing machine (9); Wherein,
Described core holding unit (6) clamping rock core model, described displacement system (1) is injected described rock core model by displacement fluid, described pressure transducer (2) is measured pressure and the described rock core model pressure at two ends of described displacement system (1), described confined pressure system (5) adds confined pressure to described core holding unit (6) and rock core model, described gauge line (7) receives the displacement fluid that described rock core model flows out, described CT scan system (3) is carried out CT scan to described rock core model, and CT scan data are sent to described computing machine (9), described light source (4) is for throwing light on to described gauge line (7), described video camera (8) changes for the liquid measure of taking in gauge line (7), and the image that liquid measure is changed is sent to described computing machine (9), described computing machine (9) receives the image of described CT scan data and the variation of described liquid measure, process rear generation experimental result screen display so that read in real time the variation of liquid measure.
2. experimental provision as claimed in claim 1, is characterized in that, described displacement system (1) is comprised of many high-pressure metering pumps, for carry multiple fluid to described rock core model simultaneously.
3. experimental provision as claimed in claim 2, is characterized in that, described pressure transducer (2) comprising:
High-pressure sensor, for measuring the pressure of described high-pressure metering pump;
Low-pressure sensor, for measuring described rock core model pressure at two ends.
4. experimental provision as claimed in claim 1, is characterized in that, described CT scan system (3) is comprised of CT scanner, for scanning the profit amount saturation degree of rock core model, and is sent to described computing machine (9).
5. experimental provision as claimed in claim 1, is characterized in that, the focal length of the position of described light source (4) and described video camera (8) can be adjusted, so that the image that described video camera (8) is taken is clearer.
6. experimental provision as claimed in claim 1, is characterized in that, described confined pressure system (5) is comprised of many pumps, for described core holding unit (6) and rock core model are added to confined pressure, and simulation burden pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320499359.9U CN203443906U (en) | 2013-08-15 | 2013-08-15 | Experimental device for scanning heterogeneous model by utilizing CT |
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| CN201320499359.9U CN203443906U (en) | 2013-08-15 | 2013-08-15 | Experimental device for scanning heterogeneous model by utilizing CT |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868801A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Rock performance evaluation device |
| CN104819990A (en) * | 2015-05-11 | 2015-08-05 | 中国石油大学(华东) | Microscopic displacement experimental system and microscopic displacement experimental method based on CT digital core |
| CN106596596A (en) * | 2016-12-13 | 2017-04-26 | 中国海洋石油总公司 | Core X-ray scanning testing experimental method |
| CN107255610A (en) * | 2017-05-02 | 2017-10-17 | 中国石油天然气股份有限公司 | Method and device for detecting fluid saturation of rock core |
| CN110609131A (en) * | 2019-10-12 | 2019-12-24 | 中国石油大学(北京) | Core holder |
| CN113327832A (en) * | 2020-02-28 | 2021-08-31 | 中国石油天然气股份有限公司 | X-ray generation device, core accommodating assembly, oil displacement experiment system and method |
-
2013
- 2013-08-15 CN CN201320499359.9U patent/CN203443906U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868801A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Rock performance evaluation device |
| CN103868801B (en) * | 2014-02-26 | 2016-04-06 | 中国石油天然气股份有限公司 | Rock performance evaluation device |
| CN104819990A (en) * | 2015-05-11 | 2015-08-05 | 中国石油大学(华东) | Microscopic displacement experimental system and microscopic displacement experimental method based on CT digital core |
| CN106596596A (en) * | 2016-12-13 | 2017-04-26 | 中国海洋石油总公司 | Core X-ray scanning testing experimental method |
| CN107255610A (en) * | 2017-05-02 | 2017-10-17 | 中国石油天然气股份有限公司 | Method and device for detecting fluid saturation of rock core |
| CN107255610B (en) * | 2017-05-02 | 2020-05-08 | 中国石油天然气股份有限公司 | Method and device for detecting fluid saturation of rock core |
| CN110609131A (en) * | 2019-10-12 | 2019-12-24 | 中国石油大学(北京) | Core holder |
| CN113327832A (en) * | 2020-02-28 | 2021-08-31 | 中国石油天然气股份有限公司 | X-ray generation device, core accommodating assembly, oil displacement experiment system and method |
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Granted publication date: 20140219 Termination date: 20210815 |