CN209369794U - A kind of experiment of fracturing fluid sanding and surface area measurement device - Google Patents
A kind of experiment of fracturing fluid sanding and surface area measurement device Download PDFInfo
- Publication number
- CN209369794U CN209369794U CN201920027477.7U CN201920027477U CN209369794U CN 209369794 U CN209369794 U CN 209369794U CN 201920027477 U CN201920027477 U CN 201920027477U CN 209369794 U CN209369794 U CN 209369794U
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- Prior art keywords
- sanding
- simulation
- fracturing fluid
- experiment
- surface area
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Abstract
The utility model discloses a kind of experiment of fracturing fluid sanding and surface area measurement devices, cuboid is formed as simulation sanding structure by visual Simulation slit plate, its outside is separately installed with the bearing plate for increasing intensity, and connect feeding pressure stabilizing device, pressure-detecting device, the simulation sanding structural base is connected with drain valve, inside filling fracturing fluid sand, side are connected with flow control valve, and flow control valve connecting pipeline upstream is provided with blender and motor；Light source is located on the inside of simulation sanding structural top, and image positioning device is located on the outside of simulation sanding structural top, is two or more parallel tracks, image collector setting in image positioning device on, and be able to maintain plumbness and moved along track.The experiment of pressure break night sanding and the accurate measurement of sanding irregular surface product can be rapidly completed in the utility model, to obtain the parameters of Reservoir Fracture, the exploitation for subsequent oil-gas reservoir provides foundation.
Description
Technical field
It is used to simulate fracturing fluid sanding the utility model relates to one kind and sanding surface area measurement device, the utility model is special
Benefit belongs to oil-gas field development fracturing technique field.
Background technique
With a large amount of exploitations of domestic and international oil gas, more and more hypotonic, fine and close oil-gas reservoirs are difficult to be exploited with usual manner.
Unconventional petroleum resources including shale gas are often also required to be increased production using hydraulic fracturing technology.Due to shale gas
The pressure break of hiding usually will form complicated fracture network, i.e., so-called volume crack (SRV), and volume crack is similar to dendroid.Together
When, these cracks are made of major fracture and multistage secondary crack, and for major fracture, what secondary crack referred to be by
The minute crack that major fracture is derived.Hydraulic fracturing technology stratum near shaft bottom generates crack, and injection is with proppant
Fracturing fluid, crack extend forward and fill out with proppant, and crack closure is on proppant after closing well, thus near the shaft bottom in stratum
The sand packed fracture with certain geometric dimension and high flow conductivity is formed, well is made to achieve the purpose that increasing yield and injection.Therefore, scene needs
Want a large amount of fracturing fluid sanding experiment to instruct actual fracturing work.In order to more accurately close to actual fracture network,
During carrying out large-scale multistage crack physical analogy, 1 major fracture is generally set, 2~3 secondary stage cracks, in this way since,
Need to calculate a large amount of sanding surface area.Sanding area is accurately calculated, is subsequent oil to obtain the parameters of Reservoir Fracture
The exploitation of gas reservoir provides foundation.
Currently, mainly simulating sanding process by injecting mulling liquid in slit plate.Existing simulation fracture sanding gear
In slit plate for simulating the crack generated in fracturing process, slit plate is by several around a major fracture and major fracture
Secondary crack composition.When carrying out simulation sanding, first having to for the major fracture with specified width, which width and secondary crack being assembled into has
Then the slit plate of fixed form injects mulling liquid in slit plate and simulates sanding process.ZL201720326522. one is provided
The device of kind of simulation complex fracture sanding, defect is can only to simulate fracturing process situation, can not simulation fracture network, and can not mould
Quasi- sanding and the accurate measurement of progress sanding irregular surface product.
Utility model content
The purpose of this utility model is to provide a kind of experiment of measurement fracturing fluid sanding and surface area measurement devices, to solve
Simulation sanding Preparatory work of experiment process is complicated in the prior art, can not carry out fracturing fluid sanding irregular surface product asking of accurately measuring
Topic.
To achieve the above object, the technical scheme adopted by the utility model is that:
The utility model is made of simulation sanding and sanding surface area measurement two parts.Simulating sanding part includes experiment sand
1, bearing plate 2, visual Simulation slit plate 3, drain valve 4, feeding pressure stabilizing device 6, pressure-detecting device 7, flow control valve 8,
Blender 9, motor 12 form；Sanding surface area measurement part includes light source 5, image collecting device 10, image positioning device
11 compositions.Wherein simulation sanding portion body is cuboid, is formed using visual Simulation slit plate 3, and outside is installed respectively
There is the bearing plate 2 for increasing intensity, and connects feeding pressure stabilizing device 6, pressure-detecting device 7.The visual Simulation is split
Seam 3 bottom of plate is connected with drain valve 4, and inside filling fracturing fluid sand 1, internally positioned filling fracturing fluid sand side is connected with flow control
Valve 8 processed, flow control valve connecting pipeline upstream are provided with blender 9 and motor 12；Sanding surface area measurement part is located at
Sanding upper, light source 5 are located at visual Simulation slit plate inside top, and image positioning device 11 is split positioned at visual Simulation
Plate top outer is stitched, is two parallel orbits, upper part installs image collecting device 10, and image collector is setting in framing
On device, it can be moved along track.
Preferably, the visual Simulation slit plate 3 is the transparent body.
Preferably, the bearing plate 2 be located at simulation sanding structure on the outside of, and formed closed hoop carried out it is circular
It reinforces.
Preferably, the light source 5 is located on the inside of simulation sanding structural top center line, while having multiple sets of light sources perforation
Simulate sanding structure.
Preferably, the drain valve 4 is installed on simulation sanding structural base, while having the perforation simulation of multiple groups drain valve
Sanding structure.
Preferably, the blender 9 by flow control valve and simulates sanding fabric connectivity, and can be by multiple
Flow control valve carries out the control for entering simulation sanding structure pressure break flow quantity.
Preferably, the flow control valve 8 is mounted on simulation sanding structure longitudinal terminal surface, while each flow control valve
8 install in the perpendicular position of end face center line.
Preferably, the image positioning device 11 is located on the outside of simulation sanding structural top, flat for two or more
Capable track, image collecting device 10 is located on image positioning device 11, and is able to maintain plumbness and moves along track.
Compared with prior art, the utility model has the following beneficial effects:
The utility model has the advantages of simple structure, can hold after being reinforced visual Simulation slit plate by bearing plate
Required pressure is tested, experiment sand is spread into visual Simulation slit plate, after processing is exhausted to experiment sand, then passes through stirring
Device is stirred configured fracturing fluid, will be simulated fracturing fluid injection in sanding structure by flow control valve；Pass through light
Source cooperates image collecting device to obtain sanding surface image, and image collecting device can be along track even running；It therefore can be complete
At the experiment of fracturing fluid sanding and surface area measurement.
Detailed description of the invention
Attached drawing 1 is utility model diagram.
Attached drawing 2 is the utility model top view.
Figure label:
Test sand (1), bearing plate (2), visual Simulation slit plate (3), drain valve (4), light source (5), the stable dress of pressure
Set (6), pressure-detecting device (7), flow control valve (8), blender (9), image collecting device (10), image positioning device
(11), motor (12).
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing:
It is cuboid that the utility model, which simulates sanding portion body, is formed using visual Simulation slit plate 3, outside point
Bearing plate 2 for increasing intensity is not installed, and connects feeding pressure stabilizing device 6, pressure-detecting device 7.Visual Simulation is split
Seam 3 bottom of plate is connected with drain valve 4, and filling fracturing fluid sand 1 in inside is connected with flow control valve 8 positioned at 1 side of fracturing fluid sand,
8 connecting pipeline upstream of flow control valve is provided with blender 9.Sanding surface area measurement part is located at sanding upper, light source 5
On the inside of simulation sanding structural top, image positioning device 11 is located on the outside of simulation sanding structural top, is two parallel sliding
Rail, upper part install image collecting device 10, which is high-definition camera, are mounted on through external signal triggering collection or company
Continuous acquisition provides image and uses for sanding surface area computing device.
As shown in Figure 1, opening drain valve 4 when fracturing fluid sanding is tested and processing, gas exhaust treatment being exhausted to sanding part
After the completion, drain valve 4 is closed；Feeding pressure stabilizing device 6 is adjusted, while observing pressure-detecting device 7, keeps sanding partial pressure steady
It is fixed；Motor is opened, the operation for blender 9 provides power；Blender 9 is similarly positioned in 8 inlet line upstream of flow control valve,
Configured fracturing fluid is poured into blender 9 to be sufficiently stirred；Flow control valve 8 is opened, and adjusts injection flow, makes its symbol
Experiment injection traffic requirement is closed, is injected fracturing fluid in simulation sanding structure with certain injection rate, carries out multistage crack
Physical simulation experiment.Whaleback shape is observed simultaneously, is laid with whaleback.
When sanding surface area measurement, after the completion of whaleback laying, system pressure is kept to stablize, starting light source 5 adjusts light,
The glass plate of the color and surrounding that make whaleback discrimination with higher；Start image collecting device 10, adjust high power video camera,
The picture quality for acquiring it reaches best, while acquiring the color image of whaleback, in acquisition image process, it is desirable that as far as possible
Guarantee whole image brightness having the same, video camera should be vertical with crack glass plate；The pixel for obtaining image is computed final
The irregular surface product of available experiment whaleback；It after measurement, opens drain valve 4 and carries out drain, after the completion of drain, use
Clear water cleaning experiment device, closes all apparatus systems after the completion.
In conclusion the utility model has the advantages of simple structure, the experiment of pressure break night sanding can be rapidly completed and sanding is irregular
Surface area accurately measures.Overcome the defect that can not simulate fracturing fluid sanding and sanding surface area test in the prior art, pressure break
Liquid simulates sanding and sanding surface area test is accurate, strong applicability.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization.It can be applied to various fields suitable for the present invention completely.It, can for man skilled in the art
It easily realizes and additionally modifies.Therefore in the case where limiting ground universal without departing substantially from claim and equivalents, this is practical
It is novel not limit specifically details and shown here as with description legend.
Claims (5)
1. a kind of fracturing fluid sanding experiment and surface area measurement device, it is characterised in that: it is made of visual Simulation slit plate (3)
Cuboid is simulation sanding structure, and outside is separately installed with the bearing plate (2) for increasing intensity, and connects pressure and stablize dress
(6), pressure-detecting device (7) are set, the simulation sanding structural base is connected with drain valve (4), inside filling fracturing fluid sand
(1), side is connected with flow control valve (8), and flow control valve connecting pipeline upstream is provided with blender (9) and motor
(12)；Light source (5) is located on the inside of simulation sanding structural top, and image positioning device (11) is located at outside simulation sanding structural top
Side is two or more parallel tracks, and image collecting device (10) is located on image positioning device (11), and is able to maintain
Plumbness is moved along track.
2. a kind of fracturing fluid sanding experiment as described in claim 1 and surface area measurement device, it is characterised in that: described holds
Pressing plate (2) is located on the outside of simulation sanding structure, and forms closed hoop and carried out surrounding reinforcing.
3. a kind of fracturing fluid sanding experiment as claimed in claim 2 and surface area measurement device, it is characterised in that: the light
Source (5) is located on the inside of simulation sanding structural top center line.
4. a kind of fracturing fluid sanding experiment as claimed in claim 3 and surface area measurement device, it is characterised in that: the row
It puts valve (4) and is installed on simulation sanding structural base.
5. a kind of fracturing fluid sanding experiment as described in claim 1 and surface area measurement device, it is characterised in that: described stirs
Device (9) are mixed by flow control valve (8) and simulation sanding fabric connectivity, and can carry out entering mould by multiple flow control valves
The control of quasi- sanding structure pressure break flow quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027477.7U CN209369794U (en) | 2019-01-08 | 2019-01-08 | A kind of experiment of fracturing fluid sanding and surface area measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027477.7U CN209369794U (en) | 2019-01-08 | 2019-01-08 | A kind of experiment of fracturing fluid sanding and surface area measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369794U true CN209369794U (en) | 2019-09-10 |
Family
ID=67824931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920027477.7U Expired - Fee Related CN209369794U (en) | 2019-01-08 | 2019-01-08 | A kind of experiment of fracturing fluid sanding and surface area measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369794U (en) |
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2019
- 2019-01-08 CN CN201920027477.7U patent/CN209369794U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20210108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |