CN208255003U - A kind of water shutoff agent spreading property visual testing device - Google Patents
A kind of water shutoff agent spreading property visual testing device Download PDFInfo
- Publication number
- CN208255003U CN208255003U CN201820518501.2U CN201820518501U CN208255003U CN 208255003 U CN208255003 U CN 208255003U CN 201820518501 U CN201820518501 U CN 201820518501U CN 208255003 U CN208255003 U CN 208255003U
- Authority
- CN
- China
- Prior art keywords
- scale plate
- sealing cover
- water shutoff
- transparent
- shutoff agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of water shutoff agent spreading property visual testing devices, mainly it is made of computer 1, transparent cylinder 4, sealing cover 2, camera 3, transparent conduit 5, scale plate 6, inlet valve 7, fixed device 8, there is sealing cover 2 in 4 upper end of transparent cylinder, barrel wall connects transparent conduit 5 and inlet valve 7, cylinder is provided with scale plate 6, there is fixed device 8 in sealing cover upper end, for fixing scale plate and adjusting its height, there is camera 3 in sealing cover lower end, for carrying out Image Acquisition to scale plate；Camera 3 connects computer 1；The scale plate 6, successively equidistantly distributed multiple circular scales are equidistantly divided into several pieces between every two circular scale again, display precision reaches grade, scale plate upper surface is screwed bar, connect with the fixation device 8 of sealing cover upper end, there is aperture at scale plate center.The utility model principle is reliable, easy to operate, and can continuously describe water shutoff agent sprawls process, has a vast market foreground.
Description
Technical field
The utility model relates in petroleum industry chemical water shutoff in oilfield field, for water shutoff agent evaluate its spreading property can
Depending on changing test device.
Background technique
It is the important means that gas reservoir is harnessed the river to gas well injection water shutoff agent water blockoff.During gas reservoir exploitation, due to gas reservoir pressure
Edge and bottom water invasion caused by reducing, because interlayer heterogeneity makes gas well interlayer contradiction aggravation interlayer water breakthrough and same to caused by
The flowing of layer water, there is gas-liquid two-phase seepage flow in the stratum filtration stage during all can lead to gas reservoir development, and multiphase porous flow will increase
Flow resistance reduces gas well deliverability, also gas well can be made to become uncommercial abandoned well when serious, eventually leads to entire gas
The recovery ratio of hiding reduces.Water flooding will also result in the corrosion and fouling of pipeline and equipment during extraction simultaneously, increase dehydration
The load stood.If water flooding can be blocked by water shutoff agent, the edge-bottom water in gas reservoir is especially blocked, while not blocking gas again
Layer, the development effectiveness of gas reservoir can be greatly improved.
For a long time, the research of water shutoff agent and application receive extensive concern both at home and abroad, test by years of researches
And development, form a series of water shutoff agent performance test methods.
Water shutoff agent performance test include: rheological property, sealing characteristics, thickening performance, swelling behavior, air water selection performance,
Heat-resistant salt-resistant performance, water absorbing properties, expansion character, performance steady in a long-term, endurance of cutting energy etc..These test methods can only expire
Foot carries out traditional performance test to water shutoff agent, the study found that the spreading property of water shutoff agent is used also and can be produced to the scene of water shutoff agent
Raw important influence.The utility model proposes the devices tested at gas-water interface the spreading property of water shutoff agent, thus
The using effect and performance of the water shutoff agent can preferably be evaluated.
Utility model content
The purpose of this utility model is to provide a kind of water shutoff agent spreading property visual testing device, apparatus structure letters
Single, design is reasonable, and visibility is high, can be tested under different temperatures, pressure using the device, different water shutoff agents were sprawled
Journey, and then evaluate its spreading property.
To reach the above technical purpose, the utility model provides following technical scheme.
The principles of the present invention be by instilling a certain amount of water shutoff agent to gas-water interface, while using camera system into
Row Image Acquisition calculates spreading rate, the v-t curve of spreading rate and time is drawn, to evaluate its spreading property.
A kind of water shutoff agent spreading property visual testing device, mainly by computer, transparent cylinder, sealing cover, camera,
There are sealing cover in transparent conduit, scale plate, inlet valve, fixed device composition, the transparent cylinder upper end, and barrel wall connection is transparent to be led
Pipe and inlet valve；Cylinder is provided with scale plate, and scale plate is between transparent conduit and inlet valve, the scale plate and transparent tube
There is the rubber ring for sealing between body；There is fixed device in the sealing cover upper end, close for fixing scale plate and adjusting its height
There is camera in capping lower end, for carrying out Image Acquisition to scale plate；The camera connects computer.
The scale plate, successively equidistantly distributed multiple circular scales are equidistantly divided between every two circular scale several again
Part, so that the display precision of scale plate is reached grade, scale plate upper surface has one eccentric to be screwed on bar and sealing cover
The fixation device at end connects, and there is aperture at scale plate center.
The transparent conduit lower part is pointed.
There are aperture, opening diameter 1-3cm in the scale plate center.
The sealing cover, transparent cylinder, scale plate are made of the transparent material of heatproof, pressure resistance.
In the present invention, the transparent cylinder pressure resistance upper limit 10MPa, 90 DEG C of the heatproof upper limit, inlet valve are equipped with flow
Meter, scale plate are placed in gas-water interface upper end, can accurately obtain water blockoff by the image that the calibration of scale plate and camera acquire
The spreading area of agent, and then spreading rate v is calculated, to obtain the v-t curve of spreading rate and time, carries out spreading property and comment
Valence.
Compared with prior art, the utility model has the following beneficial effects:
The water shutoff agent spreading property visual testing device, structure is simple, easy to operate, and design rationally, and visualizes journey
Degree is high, and can continuously describe water shutoff agent sprawls process, so that the spreading property of water shutoff agent is evaluated, before having a vast market application
Scape.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water shutoff agent spreading property visual testing device.
Fig. 2 is the structural schematic diagram of scale plate.
In figure:
1- computer；2- sealing cover；3- camera；The transparent cylinder of 4-；5- transparent conduit；6- scale plate；7- inlet valve；8-
Fixed device；9- rubber ring.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Referring to Fig. 1.
A kind of water shutoff agent spreading property visual testing device, mainly by computer 1, transparent cylinder 4, sealing cover 2, camera shooting
First 3, transparent conduit 5, scale plate 6, inlet valve 7, fixed device 8 form, and there are sealing cover 2, barrel wall in transparent 4 upper end of cylinder
Connect transparent conduit 5 and inlet valve 7；Cylinder is provided with scale plate 6, and scale plate is described between transparent conduit and inlet valve
There is the rubber ring 9 for sealing between scale plate and transparent cylinder；There is fixed device 8 in the sealing cover upper end, for fixing scale
Plate simultaneously adjusts its height, and there is camera 3 in sealing cover lower end, for carrying out Image Acquisition to scale plate；The connection of camera 3 meter
Calculation machine 1.
Referring to Fig. 2.
The scale plate 6, successively equidistantly distributed multiple circular scales are equidistantly divided between every two circular scale several again
Part, so that the display precision of scale plate is reached grade, scale plate upper surface has one eccentric to be screwed on bar and sealing cover
The fixation device 8 at end connects, and there is aperture at scale plate center.
Illustrate water shutoff agent spreading property evaluation test method below by example:
(1) leak test is cleaned in the debugging of each instrument
According to device is connected shown in Fig. 1, leak test is carried out to transparent cylinder.
(2) preparation of water shutoff agent
Tested water shutoff agent is observed, if water shutoff agent itself has color, the shape after gas-water interface is sprawled is easy
Water shutoff agent is then directly packed by reagent bottle by camera shooting system identification；If the water shutoff agent color tested is shallower, rear shape is sprawled
It is not easy to be imaged system identification, then under the premise of not influencing water shutoff agent physicochemical properties itself, appropriate coloring agent is added, and
It is uniformly mixed with water shutoff agent, so that water shutoff agent is easy then to be packed into water shutoff agent by camera shooting system identification and tried during sprawling
Agent bottle.
(3) it fills the water, is turned up, focusing
Water is added in transparent tube body by inlet valve, water is made by the height that the fixation device of sealing cover adjusts scale plate
Distance is 1-2mm between face and scale plate, then adjusts camera focal length to being clearly apparent gas-water interface.
(4) it is tested
Pass through transparent conduit toward a certain amount of water blockoff of instillation at gas-water interface with syringe after setting experimental temperature and pressure
Agent, camera carry out the acquisition of image.
(5) data processing
The image of acquisition can be obtained into the area that water shutoff agent sprawls shape by digitized processing in real time, by
Spreading rate can be calculated, then draws the v-t curve of spreading rate and time, to carry out spreading property evaluation.
Claims (3)
1. a kind of water shutoff agent spreading property visual testing device, mainly by computer (1), transparent cylinder (4), sealing cover (2),
Camera (3), transparent conduit (5), scale plate (6), inlet valve (7), fixed device (8) composition, which is characterized in that described transparent
Cylinder (4) upper end has sealing cover (2), and barrel wall connects transparent conduit (5) and inlet valve (7)；Cylinder is provided with scale plate (6),
Scale plate has the rubber ring (9) for sealing between transparent conduit and inlet valve between the scale plate and transparent cylinder；Institute
Stating sealing cover upper end has fixed device (8), and for fixing scale plate and adjusting its height, sealing cover lower end has camera (3), uses
In to scale plate progress Image Acquisition；The camera (3) connects computer (1)；The scale plate (6), successively equidistant point
Cloth multiple circular scales are equidistantly divided into several pieces again between every two circular scale, the display precision of scale plate are made to reach grade,
There is the eccentric bar that is screwed in scale plate upper surface, and connect with the fixation device (8) of sealing cover upper end, scale plate center has
Aperture.
2. a kind of water shutoff agent spreading property visual testing device as described in claim 1, which is characterized in that described transparent to lead
Pipe lower part is pointed.
3. a kind of water shutoff agent spreading property visual testing device as described in claim 1, which is characterized in that the scale plate
There are aperture, opening diameter 1-3cm in center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518501.2U CN208255003U (en) | 2018-04-12 | 2018-04-12 | A kind of water shutoff agent spreading property visual testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518501.2U CN208255003U (en) | 2018-04-12 | 2018-04-12 | A kind of water shutoff agent spreading property visual testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255003U true CN208255003U (en) | 2018-12-18 |
Family
ID=64638919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820518501.2U Expired - Fee Related CN208255003U (en) | 2018-04-12 | 2018-04-12 | A kind of water shutoff agent spreading property visual testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255003U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006788A (en) * | 2019-04-25 | 2019-07-12 | 西南石油大学 | In the device and method of porous media gas-water interface measurement water shutoff agent spreading property |
| CN110018085A (en) * | 2019-04-19 | 2019-07-16 | 成都理工大学 | A kind of slip casting diffusion test macro and method |
| CN112284982A (en) * | 2020-11-23 | 2021-01-29 | 西南石油大学 | Device for evaluating spreading and plugging performance of water plugging agent on gas-water interface of porous medium |
| CN112284982B (en) * | 2020-11-23 | 2024-05-14 | 西南石油大学 | Evaluation device for spreading and plugging performance of plugging agent on porous medium air-water interface |
-
2018
- 2018-04-12 CN CN201820518501.2U patent/CN208255003U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018085A (en) * | 2019-04-19 | 2019-07-16 | 成都理工大学 | A kind of slip casting diffusion test macro and method |
| CN110006788A (en) * | 2019-04-25 | 2019-07-12 | 西南石油大学 | In the device and method of porous media gas-water interface measurement water shutoff agent spreading property |
| CN110006788B (en) * | 2019-04-25 | 2023-12-12 | 西南石油大学 | Device and method for measuring spreadability of water shutoff agent at porous medium air-water interface |
| CN112284982A (en) * | 2020-11-23 | 2021-01-29 | 西南石油大学 | Device for evaluating spreading and plugging performance of water plugging agent on gas-water interface of porous medium |
| CN112284982B (en) * | 2020-11-23 | 2024-05-14 | 西南石油大学 | Evaluation device for spreading and plugging performance of plugging agent on porous medium air-water interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |