CN212249989U - Rectangular cavity with variable angle under constant volume condition - Google Patents
Rectangular cavity with variable angle under constant volume condition Download PDFInfo
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- CN212249989U CN212249989U CN202021588732.4U CN202021588732U CN212249989U CN 212249989 U CN212249989 U CN 212249989U CN 202021588732 U CN202021588732 U CN 202021588732U CN 212249989 U CN212249989 U CN 212249989U
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- connecting portion
- fluid passage
- reinforcing plate
- variable angle
- constant volume
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Abstract
The utility model discloses a variable angle's rectangle cavity under the invariable condition of volume, including first connecting portion, second connecting portion and the fluid passage of setting between first connecting portion and second connecting portion, fluid passage footpath upwards is equipped with a plurality of reinforcing plates, be equipped with the fixed plate on the reinforcing plate, the reducible reinforcing plate of fixed plate takes place to deform. The utility model discloses simple structure, reasonable in design makes fluid passage obtain consolidating from the outside through setting up the reinforcing plate on fluid passage and setting up at the reinforcing plate upper fixed plate, and fluid passage is at crooked in-process, and fluid passage's cross-section is difficult for taking place deformation under the effect of reinforcing plate and fixed plate, and the volume change in the fluid passage is less to reduce the possibility that the jam took place for the fluid passage proppant.
Description
Technical Field
The utility model relates to an experimental apparatus technical field, concretely relates to rectangle cavity of variable angle under the invariable condition of volume.
Background
The proppant is natural sand or artificial high-strength ceramic particles with certain granularity and gradation. The petroleum proppant is also called petroleum fracturing proppant. When the petroleum and natural gas deep well is exploited, after the high-closure-pressure low-permeability deposit is subjected to fracturing treatment, the petroleum-containing rock stratum is cracked, the petroleum and gas are collected from a channel formed by the cracks, at the moment, the fluid is required to be injected into the rock base layer so as to exceed the pressure of the fracture strength of the stratum, the rock stratum around the shaft is cracked, a channel with high laminar flow capacity is formed, and in order to keep the cracks formed after fracturing open, the petroleum and gas products can smoothly pass through the channel. The petroleum propping agent enters the stratum along with the high-pressure solution and is filled in the cracks of the rock stratum, so that the cracks are supported and are not closed due to stress release, high flow conductivity is kept, oil and gas are smooth, and the yield is increased.
In the conductivity experiment process, the angle often needs to be adjusted between main crack of simulation and the secondary crack so that simulate the angle between main crack and the secondary crack in the real bottom, among the prior art, connect the device between main crack and the secondary crack or can not angle adjustment, or use different bending angle's pipeline or cavity simulation different angle crack angle, so not only increased the experimental cost, can not angle adjustment at any time in the experimentation moreover, thereby influence the experimental effect.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a rectangle cavity of variable angle under the invariable condition of volume, this cavity simple structure, the internal volume change of in-process cavity that changes the angle is less, is difficult for forming blocking phenomenon.
The utility model adopts the following technical proposal:
the utility model provides a rectangular cavity of variable angle under the invariable condition of volume, includes first connecting portion, second connecting portion and sets up the fluid passage between first connecting portion and second connecting portion, fluid passage radially is equipped with a plurality of reinforcing plates, be equipped with the fixed plate on the reinforcing plate, the reducible reinforcing plate of fixed plate takes place to deform.
Preferably, the reinforcing ribs are embedded in the inner wall of the fluid channel, and the deformation of the fluid channel can be reduced by the reinforcing ribs.
Preferably, the first connecting portion, the second connecting portion and the reinforcing plate are integrally formed by injection molding, so that the reliability of each connecting portion is enhanced.
Preferably, the first connecting portion, the second connecting portion and the reinforcing plate are made of one thermoplastic plastic selected from Polyethylene (PE), polypropylene (PP), Polystyrene (PS), polyvinyl chloride (PVC) and the like.
Preferably, the longitudinal section of the fluid channel is rectangular, and the shape of a fracture in a stratum is simulated.
Preferably, the first connecting portion, the second connecting portion and the reinforcing plate are all provided with through holes as bolt holes.
Preferably, the left side and the right side of the reinforcing plate are respectively provided with two fixing plates through bolts.
Preferably, the first connecting portion and the second connecting portion are both provided with fixing plates.
The utility model has the advantages that:
1. the utility model discloses simple structure, reasonable in design makes fluid passage obtain consolidating from the outside through setting up the reinforcing plate on fluid passage and setting up at the reinforcing plate upper fixed plate, and fluid passage is at crooked in-process, and fluid passage's cross-section is difficult for taking place deformation under the effect of reinforcing plate and fixed plate, and the volume change in the fluid passage is less to reduce the possibility that the jam took place for the fluid passage proppant.
2. The utility model discloses a first connecting portion, second connecting portion and reinforcing plate are integrative injection moulding, because integrated into one piece, each part junction atress is even, reduces the possibility that fluid passage sinks to the inboard.
Drawings
In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.
Fig. 1 is a schematic structural view (without a fixing plate) of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is a schematic structural view of the fixing plate of the present invention;
FIG. 5 is a schematic view of the reinforcing plate and the longitudinal section of the fluid channel according to the present invention;
shown in the drawings
1-a first connecting part, 2-a second connecting part, 3-a reinforcing plate, 4-a fluid channel, 5-a through hole, 6-a reinforcing rib and 7-a fixing plate;
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 5, a rectangular chamber with a variable angle under a constant volume condition comprises a first connecting part 1 and a second connecting part 2, wherein the first connecting part 1 and the second connecting part 2 are communicated by a fluid channel 4;
the longitudinal section of the fluid channel is rectangular, and the shape can truly reduce or simulate cracks in the bottom layer, so that experimental data are more real and effective;
a plurality of reinforcing plates 3 are arranged on the fluid channel 4 in the radial direction at equal intervals, through holes 5 are formed in the reinforcing plates 3, and the left side and the right side of each reinforcing plate 3 are fixed with two metal fixing plates 7 through bolts respectively;
in the bending process of the fluid channel 4, the reinforcing plate 3 plays a role of reinforcing ribs around the radial section of the fluid channel, and meanwhile, the metal fixing plate 7 arranged on the reinforcing plate 3 is not easy to deform, so that an outward tensile force is generated on the longitudinal surface of the fluid channel 4, the design greatly reduces the possibility that the longitudinal section area of the fluid channel 4 is reduced in the bending process, and prevents the proppant from blocking the fluid channel 4.
The reinforcing ribs 6 are embedded in the inner wall of the fluid channel 4, the reinforcing ribs 6 increase the rigidity of the inner wall of the fluid channel 4, and the deformation of the fluid channel 4 can be reduced.
First connecting portion 1, second connecting portion 2 and reinforcing plate 3 are injection moulding as an organic whole, when reinforcing each connection position's reliability, make the connection position atress more even.
First connecting portion 1, second connecting portion 2 and reinforcing plate 3 are thermoplastic plastics such as Polyethylene (PE), polypropylene (PP), Polystyrene (PS), polyvinyl chloride (PVC) and make, the angle between the simulation crack that can be better.
The longitudinal section of the fluid channel 4 is rectangular, so that the form of a crack in the bottom layer is more truly reduced or simulated.
All be equipped with through-hole 5 on first connecting portion 1, second connecting portion 2 and the reinforcing plate 3 and be used for the bolt hole for fixed plate 7.
Two fixing plates 7 are respectively installed on the left side and the right side of the reinforcing plate 3 through bolts, and the reinforcing plate 3 is stressed uniformly in the bending process.
The first connecting portion 1 and the second connecting portion 2 are both provided with fixing plates 7, so that the first connecting portion 1 and the second connecting portion 2 are more firmly connected with external equipment.
The novel using method comprises the following steps:
firstly fixing a fixing plate, then connecting 2 different cavities (a simulated main crack and a simulated secondary crack or a simulated tertiary crack) by using a first connecting part 1 and a second connecting part 2, leading the propping agent in the cavities to be introduced into a fluid channel 4, and then adjusting the bending angle of the fluid channel 4 according to the experimental requirements so as to simulate the angle between the cracks.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a rectangle cavity of variable angle under the invariable condition of volume, its characterized in that includes first connecting portion (1), second connecting portion (2) and fluid passage (4) of setting between first connecting portion (1) and second connecting portion (2), fluid passage (4) radially are equipped with a plurality of reinforcing plates (3), be equipped with fixed plate (7) on reinforcing plate (3).
2. The rectangular cavity with the variable angle under the condition of constant volume according to claim 1, characterized in that a reinforcing rib (6) is embedded in the inner wall of the fluid channel (4).
3. The rectangular cavity with the variable angle under the condition of the constant volume according to claim 2, characterized in that the first connecting part (1), the second connecting part (2) and the reinforcing plate (3) are integrally injection-molded.
4. The rectangular chamber with the variable angle under the condition of constant volume according to claim 1, wherein the first connecting part (1), the second connecting part (2) and the reinforcing plate (3) are all made of thermoplastic plastics.
5. A constant volume rectangular chamber according to claim 3, wherein the longitudinal cross-section of the fluid channel (4) is rectangular.
6. The rectangular chamber with the variable angle under the condition of constant volume according to claim 1, characterized in that the first connecting part (1), the second connecting part (2) and the reinforcing plate (3) are provided with through holes (5).
7. The rectangular cavity with the variable angle under the condition of constant volume according to claim 6, characterized in that two fixing plates (7) are respectively installed on the left side and the right side of the reinforcing plate (3) through bolts.
8. The rectangular cavity with the variable angle under the condition of constant volume according to claim 1, characterized in that the first connecting part (1) and the second connecting part (2) are provided with fixing plates (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588732.4U CN212249989U (en) | 2020-08-03 | 2020-08-03 | Rectangular cavity with variable angle under constant volume condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588732.4U CN212249989U (en) | 2020-08-03 | 2020-08-03 | Rectangular cavity with variable angle under constant volume condition |
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| Publication Number | Publication Date |
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| CN212249989U true CN212249989U (en) | 2020-12-29 |
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| CN202021588732.4U Active CN212249989U (en) | 2020-08-03 | 2020-08-03 | Rectangular cavity with variable angle under constant volume condition |
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- 2020-08-03 CN CN202021588732.4U patent/CN212249989U/en active Active
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