CN206832635U - A kind of square three faces confined pressure core holding unit - Google Patents
A kind of square three faces confined pressure core holding unit Download PDFInfo
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- CN206832635U CN206832635U CN201720577420.5U CN201720577420U CN206832635U CN 206832635 U CN206832635 U CN 206832635U CN 201720577420 U CN201720577420 U CN 201720577420U CN 206832635 U CN206832635 U CN 206832635U
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- end cap
- outer barrel
- left end
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- pressure
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Abstract
The utility model discloses a kind of square three faces confined pressure core holding unit, including inner cylinder, outer barrel, left end cap, right end cap；The inner cylinder and outer barrel are square hollow；Pressure diaphragm is equipped with the inside of four seamed edges of outer barrel, vertical pressurization mouth is provided with the middle part of outer barrel top, middle side edge is provided with horizontal pressurization mouth, and outer barrel both ends are provided with the fixed plate that the length of side is more than cylinder, the side left end of outer barrel is provided with logical pressure pipe vertically, and top right-hand member is provided with horizontal logical pressure pipe；The left end cap is provided with inlet, right end cap is provided with liquid outlet, left end cap and right end cap are square, and middle part is provided with the square protrusions that the length of side is less than outer barrel inner edge, 4 corresponding screwed holes are respectively provided with left end cap, right end cap and two fixed plates at outer barrel both ends.The utility model can individually be applied pressure to each face of core holding unit, the effect of real strata pressure simulation is realized with this by the structure design of uniqueness.
Description
Technical field
It the utility model is related to geological experiment technical field, and in particular to a kind of square three faces confined pressure core holding unit.
Background technology
In oil field development, reservoir heterogeneity be influence oil field development an important factor for one of, understand the injecting process in
The changing rule of non-homogeneous pay oil displacement efficiency, for adjustment development stimulation, improve development effectiveness offer theoretical foundation.To infiltration
The method that rate is studied, displacement test presently mainly is carried out in the core holding unit of circle, it is heterogeneous in layer to study
The oil displacement rule of system.But this core holding unit is used, its confined pressure is often that the rock core of whole cylinder is applied,
Pressure suffered by it is kept in balance, and in actual stratum, the pressure up and down that rock core is subject to is different, if energy
The pressure up and down that more real simulation core may be subject to, makes great sense, energy for simulation core actual conditions
Greatly improve the experiment effect of permeability experiment.
At present, domestic and foreign scholars have developed some square core holding units, as Application No. 201010610694.2,
The Chinese patents such as 201310746741.X disclose square core holding unit, but it is still or the overall confined pressure that uses, and
The effect of the independent pressure in each face is not formed, it is still limited for the simulated effect of penetration testing.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of square three faces confined pressure core holding unit, it is to core holding unit
Each face individually apply pressure, the effect of pressure simulation is realized with this.
The technical solution of the utility model is：
A kind of square three faces confined pressure core holding unit, including inner cylinder, outer barrel, left end cap, right end cap；The inner cylinder and outer barrel
It is square hollow；Pressure diaphragm is equipped with the inside of four seamed edges of outer barrel, vertical pressurization mouth is provided with the middle part of outer barrel top,
Middle side edge is provided with level pressurization mouth, and outer barrel both ends are provided with the fixed plate that the length of side is more than cylinder, and the side left end of outer barrel, which is provided with, to be erected
Straight-through pressure pipe, top right-hand member are provided with horizontal logical pressure pipe；The left end cap is provided with inlet, and right end cap is provided with liquid outlet, left
End cap and right end cap are square, and middle part is provided with the square protrusions that the length of side is less than outer barrel inner edge, left end cap, right end cap and
4 corresponding screwed holes are respectively provided with two fixed plates at outer barrel both ends.
The pressure diaphragm end sets rectangular fork, and fork is flexible material.
Pressure pipe logical vertically and horizontal logical pressure pipe on the inner cylinder are metal hollow pipe, installed in interior tube outer surface,
Encapsulated layer is provided with the outside of logical pressure pipe and horizontal logical pressure pipe vertically, is contacted in pressure diaphragm with vertical logical pressure pipe and horizontal logical pressure pipe
Position, pressure diaphragm are provided with the size breach corresponding with vertical logical pressure pipe and horizontal logical pressure pipe.
The left end cap and 4 screwed holes of the fixed plate of outer barrel left end are bolted, the right side of right end cap and outer barrel
4 screwed holes of the fixed plate at end are bolted.
L-type sealing gasket is provided between on the inside of left end cap and the outer barrel left end, is set between right end cap and outer barrel right-hand member inner side
There is L-type sealing gasket.
The beneficial effects of the utility model are：
1st, by setting pressure diaphragm, upper and lower and both sides pressure subregions is realized, square core holding unit is simulated ground
The pressure of layer different directions；
2nd, the fork that four ribs of square inner cylinder match is arranged in pressure diaphragm end, connects inner cylinder and pressure diaphragm
Contacting surface is completely bonded, and fork end is flexible material, can further be close to inner cylinder when the Pressure chamber separated is pressurized
On four ribs, each areal pressure segmentation is realized；
The pressure on top can be connected to bottom by the pressure pipe logical vertically and horizontal logical pressure pipe the 3, set on inner cylinder, side
Pressure is connected to opposite side, makes its pressure balanced.
Brief description of the drawings
Fig. 1 is structural representation front view profile of the present utility model；
Fig. 2 is structural representation left view profile of the present utility model；
Fig. 3 is the left view profile of outer barrel.
Shown in figure：
1st, inner cylinder, 2, outer barrel, 21, pressure diaphragm, 22, pressurize mouth vertically, 23, horizontal pressurization mouth, 24, fixed plate, 25,
Logical pressure pipe vertically, 26, horizontal logical pressure pipe, 3, left end cap, 31, inlet, 4, right end cap, 41, liquid outlet, 5, screwed hole, 6, L-type
Sealing gasket, 7, horizontal force (forcing) pump, 8, vertical force (forcing) pump.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of square three faces confined pressure core holding unit, including inner cylinder 1, outer barrel 2, left end cap 3, right end cap 4；
The inner cylinder 1 and outer barrel 2 are square hollow, and inner cylinder 1 is software silica gel；Pressure is equipped with the inside of 2 four seamed edges of outer barrel
The end of pressure diaphragm 21 described in power dividing plate 21 sets rectangular fork, and fork is rubber, and vertical pressurization is provided with the middle part of the top of outer barrel 2
Mouth 22, middle side edge are provided with horizontal pressurization mouth 23, and the both ends of outer barrel 2 are provided with fixed plate 24 of the length of side more than cylinder, the side of outer barrel 2
Side left end is provided with logical pressure pipe 25 vertically, and top right-hand member is provided with horizontal logical pressure pipe 26；The left end cap 3 is provided with inlet 31, right
End cap 4 is provided with liquid outlet 41, and left end cap 3 and right end cap 4 are square, and middle part is provided with the length of side and is being less than the inner edge of outer barrel 2 just
Square boss, 4 corresponding screwed holes are respectively provided with left end cap 3, right end cap 4 and two fixed plates 24 at the both ends of outer barrel 2
5, the left end cap 3 and 4 screwed holes 5 of the fixed plate 24 of the left end of outer barrel 2 are bolted, the right side of right end cap 4 and outer barrel 2
4 screwed holes 5 of the fixed plate 24 at end are bolted；Pressure pipe 25 logical vertically and horizontal logical pressure pipe 26 on the inner cylinder 1
It is the metal hollow pipe of square, installed in the outer surface of inner cylinder 1, is provided with vertical logical pressure pipe 25 and the horizontal logical outside of pressure pipe 26
Encapsulated layer, at the position that pressure diaphragm 21 contacts with vertical logical pressure pipe 25 and horizontal logical pressure pipe 26, pressure diaphragm 21 is provided with one
The size breach corresponding with vertical logical pressure pipe 25 and horizontal logical pressure pipe 26, set between left end cap 3 and outer barrel 2 the left end inner side
Have a L-type sealing gasket 6, on the inside of right end cap 4 and the right-hand member of outer barrel 2 between be provided with L-type sealing gasket 6, the horizontal pressurization mouth 23 and vertically
Pressurization mouth 22 is externally provided with pressurized pipeline, and is connected respectively to horizontal force (forcing) pump 7 and vertical force (forcing) pump 8.
Installation of the present utility model and application method are as follows：
Square rock core sample is put into soft inner cylinder 1, the entirety of inner cylinder 1 is then filled in into the middle part of outer barrel 2, filled in
During, attention action is light and slow, vertical logical pressure pipe 25 and horizontal logical pressure pipe 26 is gently squeezed the rubber of the end of pressure diaphragm 21
It glue fork, in the case of not breakdown pressure dividing plate 21, can be sent on the breach of pressure diaphragm 21, and allow breach to lead to vertical
Pressure pipe 25, horizontal logical pressure pipe 26 are brought into close contact；Then L-type sealing gasket 6 is covered respectively in left end cap 3 and right end cap 4, then from both ends
Install left end cap 3 and right end cap 4 respectively, and left end cap 3 and right end cap 4 are fixedly connected on to by bolt two of outer barrel 2
In fixed plate 24, horizontal force (forcing) pump 7 and vertical force (forcing) pump 8 are connected respectively to horizontal pressurization mouth 23 and vertical pressurization mouth 22, entered
Liquid mouth 31 and liquid outlet 41 are connected respectively on other experimental facilities, after starting experiment, according to horizontally and vertically required pressure,
The pump pressure of horizontal force (forcing) pump 7 and vertical force (forcing) pump 8 is set respectively, to adjust pressure values different with both sides up and down.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (5)
1. a kind of square three faces confined pressure core holding unit, it is characterised in that including inner cylinder, outer barrel, left end cap, right end cap；It is described
Inner cylinder and outer barrel are square hollow；Pressure diaphragm is equipped with the inside of four seamed edges of outer barrel, is provided with the middle part of outer barrel top
Vertical pressurization mouth, middle side edge are provided with horizontal pressurization mouth, and outer barrel both ends are provided with the fixed plate that the length of side is more than cylinder, the side of outer barrel
Left end is provided with logical pressure pipe vertically, and top right-hand member is provided with horizontal logical pressure pipe；The left end cap is provided with inlet, and right end cap is provided with
Liquid outlet, left end cap and right end cap are square, and middle part is provided with the square protrusions that the length of side is less than outer barrel inner edge, left end cap,
4 corresponding screwed holes are respectively provided with two fixed plates at right end cap and outer barrel both ends.
2. the square three faces confined pressure core holding unit of one kind according to claim 1, it is characterised in that the pressure diaphragm end
End sets rectangular fork, and fork is flexible material.
3. the square three faces confined pressure core holding unit of one kind according to claim 2, it is characterised in that perpendicular on the inner cylinder
Straight-through pressure pipe and horizontal logical pressure pipe are metal hollow pipe, installed in interior tube outer surface, in vertical logical pressure pipe and horizontal logical pressure pipe
Outside is provided with encapsulated layer, and at the position that pressure diaphragm contacts with vertical logical pressure pipe and horizontal logical pressure pipe, pressure diaphragm is provided with one
The size breach corresponding with vertical logical pressure pipe and horizontal logical pressure pipe.
4. the square three faces confined pressure core holding unit of one kind according to claim 1, it is characterised in that the left end cap with it is outer
4 screwed holes of the fixed plate of cylinder left end are bolted, and 4 screwed holes of the fixed plate of the right-hand member of right end cap and outer barrel lead to
Cross bolt connection.
5. the square three faces confined pressure core holding unit of one kind according to claim 1, it is characterised in that the left end cap with it is outer
L-type sealing gasket is provided between on the inside of cylinder left end, L-type sealing gasket is provided between right end cap and outer barrel right-hand member inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577420.5U CN206832635U (en) | 2017-05-23 | 2017-05-23 | A kind of square three faces confined pressure core holding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577420.5U CN206832635U (en) | 2017-05-23 | 2017-05-23 | A kind of square three faces confined pressure core holding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832635U true CN206832635U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720577420.5U Expired - Fee Related CN206832635U (en) | 2017-05-23 | 2017-05-23 | A kind of square three faces confined pressure core holding unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206832635U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531052A (en) * | 2019-09-17 | 2019-12-03 | 中国石油大学(华东) | It is a kind of to cover pressure supercentrifuge high temperature and pressure core chamber and its bindiny mechanism for the measurement of rock core irreducible water saturation |
| CN111413483A (en) * | 2019-12-16 | 2020-07-14 | 大庆油田有限责任公司 | Mechanical pressurization type square rock core holder |
-
2017
- 2017-05-23 CN CN201720577420.5U patent/CN206832635U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531052A (en) * | 2019-09-17 | 2019-12-03 | 中国石油大学(华东) | It is a kind of to cover pressure supercentrifuge high temperature and pressure core chamber and its bindiny mechanism for the measurement of rock core irreducible water saturation |
| CN111413483A (en) * | 2019-12-16 | 2020-07-14 | 大庆油田有限责任公司 | Mechanical pressurization type square rock core holder |
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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: 20180102 Termination date: 20180523 |