CN206862588U - A kind of axial seal experimental rig - Google Patents
A kind of axial seal experimental rig Download PDFInfo
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- CN206862588U CN206862588U CN201720663289.4U CN201720663289U CN206862588U CN 206862588 U CN206862588 U CN 206862588U CN 201720663289 U CN201720663289 U CN 201720663289U CN 206862588 U CN206862588 U CN 206862588U
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Abstract
It the utility model is related to Oil ＆ Gas Drilling Technology field, more particularly to a kind of axial seal experimental rig, including test barrel, inner cylinder, outer barrel and upper lid, inner cylinder is arranged in outer barrel so as to form tubular chamber between inner cylinder and outer barrel, test barrel is located in tubular chamber, test barrel inner and outer wall contacts with inner cylinder and outer barrel respectively, the opening of upper lid covering tubular chamber one end, upper lid, inner cylinder, outer barrel and test barrel cooperatively form upper chamber, the one end of test barrel away from upper lid is provided with pressure holding piece, for top pressure test barrel, thus, the axial seal experiment of packing element can directly be carried out.
Description
Technical field
It the utility model is related to Oil ＆ Gas Drilling Technology field, and in particular to a kind of axial seal experimental rig.
Background technology
In the mining operations of petroleum industry, packer refers to flexible potted component, and packing annular is empty whereby
Between, completely cut off payzone, with control produce (note) liquid, the downhole tool of protection sleeve pipe, for packer in itself for, the not mistake of most critical
In elastic sealing elements, someone is than the heart that it is packer, because it largely influences even to decide packer
The success or failure of system underground work.Compression packer is packing element is produced radial deformation realization by applying an axial force to packing element
Sealing function.
The most researchs of experimental study for packing element at present for packing element and casing-contact stress in terms of research, and lack
Directly study the device of packing element axial seal performance.
Utility model content
The purpose of this utility model is：The problem of current dispenser packing element axial seal performance experimental rig of pin lacks,
A kind of axial seal experimental rig is provided, axial seal performance that can be directly to packing element is tested.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of axial seal experimental rig, including test barrel, inner cylinder, outer barrel and upper lid, the inner cylinder are arranged on described outer
So as to form tubular chamber between the inner cylinder and the outer barrel in cylinder, the test barrel is located in the tubular chamber, the survey
Examination cylinder inner and outer wall contacts with inner cylinder and outer barrel respectively, the opening of described upper described tubular chamber one end of lid covering, the upper lid,
Inner cylinder, outer barrel and the test barrel cooperatively form upper chamber, and the one end of the test barrel away from the upper lid is provided with pressure holding piece,
For test barrel described in top pressure.
Preferably, the pressure holding piece is tubular, it is set on the inner cylinder, there is guide effect.
Preferably, the experimental rig also includes the power part for promoting pressure holding piece operation, the power part includes
Piston cylinder, piston and pressure measuring piece, the piston are arranged in piston cylinder and form pressure chamber, the work with the piston inside wall of cylinder
Plug cylinder is provided with the pressurized hole communicated with the pressure chamber, and the pressure measuring piece is arranged between the piston and the pressure holding piece,
The pressure of test barrel is acted on thus, it is possible to real-time awareness pressure holding piece, simple accurate, piston is slidably arranged in piston cylinder, is passed through
Pressurized hole is passed through fluid to pressure chamber, and piston can be promoted to cause piston to apply power to pressing piece by pressure measuring piece, there is provided
The dynamical stability and dynamic test is accurate, reliable and stable and frictional force is smaller, and result of the test is more accurate.
Preferably, the piston cylinder profile is tubular, it is set in the outer barrel, the pressure holding piece is set in the work
In plug cylinder.
Preferably, one end exposure of the piston cylinder, outside the outer barrel, the one end, which is provided with, prolongs side, and the side of prolonging is covered
Cover the opening of the outer barrel.
Preferably, end set of the piston cylinder away from the piston has crossover sub, the crossover sub is set
There are through hole, the through hole connection outside and the pressurized hole.
Preferably, the experimental rig also includes being used for the temperature control unit for controlling the inner cylinder temperature.
Preferably, the temperature control unit includes heating member, the heating member is arranged on the inner cylinder inwall.
Preferably, the axis of symmetry of the pressure holding piece, pressure measuring piece and the piston three overlaps, so that piston exists
Pressure holding piece is difficult to contact generation friction with the piston inside wall of cylinder or inner tank theca in sliding process, and result of the test is more accurate.
Preferably, being provided with the groove for coordinating the pressure measuring piece on the pressure holding piece and the piston, there is positioning
Effect, makes result of the test more accurate.
In summary, by adopting the above-described technical solution, the beneficial effect of the application is：A level pressure is passed through to upper chamber
The gas or liquid of power can carry out axial seal testing experiment, apply certain pressure to test barrel by pressure holding piece, according to
In the gas flow or amount of liquid that the epicoele that test barrel lower end is found is passed through, axial seal performance is determined, simple in construction, performance can
Lean on.
Brief description of the drawings
Fig. 1 is the structural representation of present patent application axial seal experimental rig；
Marked in figure：7- pillars, 8- piston cylinders, 81- prolong side, 9- outer barrels, 10- rubber seal rings, 13- test barrels, in 14-
Tin, covered on 16-, 17- heating members, 19- upper chamber, 20- imports, 22- pressure holding pieces, 24- pressure measuring pieces, 25- pistons, 26- pressure chambers,
27- pressurized holes, 29- crossover subs.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
Such as Fig. 1, a kind of axial seal experimental rig, including test barrel 13, inner cylinder 14, outer barrel 9 and upper lid 16, inner cylinder 14 are set
Put so as to form tubular chamber between inner cylinder 14 and outer barrel 9 in outer barrel 9, test barrel 13 is located in tubular chamber, in test barrel 13
Wall and outer wall contact with inner cylinder 14 and outer barrel 9 respectively, and upper lid 16 covers the opening of tubular chamber one end, upper lid 16, inner cylinder 14, outer barrel
9 and test barrel 13 cooperatively form upper chamber 19, the one end of test barrel 13 away from upper lid 16 is provided with pressure holding piece 22, for top pressure survey
Cylinder 13 is tried so that the upward lid 16 of test barrel 13 is drawn close and is in impaction state, test barrel 13 is the packing element that packer uses,
It is made of rubber, thus, axial seal testing experiment can be carried out by being passed through the gas of certain pressure or liquid to upper chamber 19, be led to
Cross pressure holding piece 22 and apply certain pressure to test barrel 13, the gas flow that is passed through according to the epicoele found in the lower end of test barrel 13 or
Amount of liquid, axial seal performance is determined, simple in construction, dependable performance, is communicated specifically, being provided with outer barrel 9 with upper chamber 19
Import 20, for upper chamber 19 inject liquid.
Such as Fig. 1, pressure holding piece 22 is tubular, is set on inner cylinder 14, thus, the pressure holding when compressing test barrel 13 of pressure holding piece 22
Part 22 will not be crooked, has guide effect, and further, pressure holding piece 22 and the gap of inner cylinder 14 coordinate so that pressure holding piece 22 with it is interior
Frictional force between cylinder 14 is smaller, and test result is more accurate.
Further, experimental rig also includes the power part for promoting pressure holding piece 22 to run, and power part includes piston cylinder
8th, piston 25 and pressure measuring piece 24, piston 25 are arranged in piston cylinder 8 and form pressure chamber 26 with the inwall of piston cylinder 8, and piston cylinder 8 is set
Be equipped with the pressure boost hole 27 communicated with pressure chamber 26, pressure measuring piece 24 is arranged between piston 25 and pressure holding piece 22, and respectively with
Piston 25 and pressure holding piece 22 contact, and pressure measuring piece 24 is used to test the pressure that piston 25 puts on pressure holding piece 22, thus, it is possible to real-time
Know that pressure holding piece 22 acts on the pressure of test barrel 13, simple accurate, piston 25 is slidably arranged in piston cylinder 8, passes through pressure
Pressurized hole 27 is passed through fluid to pressure chamber 26, piston 25 can be promoted make it that piston 25 is applied by pressure measuring piece 24 to pressing piece dynamic
Power, there is provided dynamical stability and the dynamic test it is accurate, reliable and stable and frictional force is smaller, and result of the test is more accurate.
The profile of piston cylinder 8 is tubular, is set in outer barrel 9, and pressure holding piece 22 is set in piston cylinder 8, simple in construction, enters one
Step, pressure holding piece 22 is coordinated with piston cylinder 8 using gap, and so as to which frictional force is smaller, result of the test is more accurate.
End set of the piston cylinder 8 away from piston 25 has crossover sub 29, and crossover sub 29 is provided with through hole, through hole connection
Outside and pressure boost hole 27, it is convenient to connect supercharging equipment to provide fluid to pressure chamber 26.
The temperature control unit for controlling the temperature of inner cylinder 14 is additionally provided with, the actual use feelings for simulation test cylinder 13
Condition, so that test result is more accurate.
Such as Fig. 1, temperature control unit includes heating member 17, and heating member 17 is arranged on the inwall of inner cylinder 14, so as to temperature more
Add and be easily controlled, save the energy, further, heating member 17 is tubular, is set in inner cylinder 14, simple in construction, homogeneous heating
And area is big so that result of the test is more accurate, specifically, temperature control also includes temperature test part, for testing test barrel
13 the problem of, it is easy to control the temperature of test barrel 13.
One end of piston cylinder 8 goes out to expose outside outside cylinder 9, and the one end, which is provided with, prolongs side 81, prolongs the opening that side 81 covers outer barrel 9,
Prolong side 81 to be connected with upper lid 16 by pillar 7, that is to say, that pillar 7 is fixedly connected with prolonging side 81, and pillar 7 is fixed with upper lid 16
Connection, so that upper lid 16 forms a fixed connection with prolonging side 81.
The axis of symmetry of pressure holding piece 22, pressure measuring piece 24 and the three of piston 25 overlaps, so that piston 25 is in sliding process
Middle pressure holding piece 22 is difficult to produce friction with the inwall of piston cylinder 8 or the wall contacts of inner cylinder 14, and result of the test is more accurate, more specifically
, the groove for coordinating pressure measuring piece 24 is provided with pressure holding piece 22 and piston 25, there is positioning action, make result of the test more accurate
Really, specifically, being provided with rubber seal ring 10 between piston 25 and piston cylinder 8.
Claims (10)
1. a kind of axial seal experimental rig, it is characterised in that including test barrel (13), inner cylinder (14), outer barrel (9) and upper lid
(16),
The inner cylinder (14) is arranged in the outer barrel (9) so as to form cylinder between the inner cylinder (14) and the outer barrel (9)
Shape chamber, the test barrel (13) are located in the tubular chamber, test barrel (13) inner and outer wall respectively with inner cylinder (14) and
Outer barrel (9) contacts,
The upper lid (16) covers the opening of described tubular chamber one end, the upper lid (16), inner cylinder (14), outer barrel (9) and described
Test barrel (13) cooperatively forms upper chamber (19), and the one end of the test barrel (13) away from the upper lid (16) is provided with pressure holding piece
(22), for test barrel described in top pressure (13).
2. experimental rig according to claim 1, it is characterised in that the pressure holding piece (22) is tubular, is set in described
On inner cylinder (14).
3. experimental rig according to claim 1, it is characterised in that also include the power part for promoting pressure holding piece (22) operation
Part, the power part include piston cylinder (8), piston (25) and pressure measuring piece (24), and the piston (25) is arranged on piston cylinder (8)
It is interior and with the piston cylinder (8) inwall formed pressure chamber (26), the piston cylinder (8) is provided with to be communicated with the pressure chamber (26)
Pressurized hole (27), the pressure measuring piece (24) is arranged between the piston (25) and the pressure holding piece (22).
4. experimental rig according to claim 3, it is characterised in that piston cylinder (8) profile is tubular, is set in institute
State in outer barrel (9), the pressure holding piece (22) is set in the piston cylinder (8).
5. experimental rig according to claim 4, it is characterised in that one end exposure of the piston cylinder (8) is described outer
Outside, the one end is provided with prolongs side (81) to cylinder (9), the opening prolonged side (81) and cover the outer barrel (9).
6. experimental rig according to claim 3, it is characterised in that the remote piston (25) of the piston cylinder (8)
End set has crossover sub (29), and the crossover sub (29) is provided with through hole, the through hole connection outside and the supercharging
Hole (27).
7. experimental rig according to claim 1, it is characterised in that also include being used to control the inner cylinder (14) temperature
Temperature control unit.
8. experimental rig according to claim 7, it is characterised in that the temperature control unit includes heating member (17),
The heating member (17) is arranged on the inner cylinder (14) inwall.
9. experimental rig according to claim 3, it is characterised in that the pressure holding piece (22), pressure measuring piece (24) and described
The axis of symmetry of piston (25) three overlaps.
10. experimental rig according to claim 3, it is characterised in that in the pressure holding piece (22) and the piston (25)
On be provided with the groove for coordinating the pressure measuring piece (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663289.4U CN206862588U (en) | 2017-06-08 | 2017-06-08 | A kind of axial seal experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720663289.4U CN206862588U (en) | 2017-06-08 | 2017-06-08 | A kind of axial seal experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862588U true CN206862588U (en) | 2018-01-09 |
Family
ID=60830736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720663289.4U Active CN206862588U (en) | 2017-06-08 | 2017-06-08 | A kind of axial seal experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206862588U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996853A (en) * | 2017-06-08 | 2017-08-01 | 西南石油大学 | A kind of axial seal experimental rig |
| CN108458843A (en) * | 2018-04-25 | 2018-08-28 | 上汽时代动力电池系统有限公司 | A kind of battery pack automation airtight test device |
| CN113567068A (en) * | 2021-07-24 | 2021-10-29 | 西南石油大学 | Device and method for testing sealing performance parameters of packer of oil and gas well |
-
2017
- 2017-06-08 CN CN201720663289.4U patent/CN206862588U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996853A (en) * | 2017-06-08 | 2017-08-01 | 西南石油大学 | A kind of axial seal experimental rig |
| CN108458843A (en) * | 2018-04-25 | 2018-08-28 | 上汽时代动力电池系统有限公司 | A kind of battery pack automation airtight test device |
| CN113567068A (en) * | 2021-07-24 | 2021-10-29 | 西南石油大学 | Device and method for testing sealing performance parameters of packer of oil and gas well |
| CN113567068B (en) * | 2021-07-24 | 2024-05-17 | 西南石油大学 | Device and method for testing sealing performance parameters of oil-gas well packer |
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