CN109283063A - A kind of packer Withstand test device - Google Patents
A kind of packer Withstand test device Download PDFInfo
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- CN109283063A CN109283063A CN201811216874.5A CN201811216874A CN109283063A CN 109283063 A CN109283063 A CN 109283063A CN 201811216874 A CN201811216874 A CN 201811216874A CN 109283063 A CN109283063 A CN 109283063A
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- pressure testing
- packer
- test tank
- sealing structure
- sheath assembly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of packer Withstand test devices, including test tank, in test tank from top to bottom be incorporated with sheath assembly, sheath assembly includes and the removable connecting cylinder being fixedly connected of test tank and the removable casing being fixedly connected below connecting cylinder, the tube port position sealing of connecting cylinder is fixed with upper end closed, lower end is used to connect the connector of packer, offers central tube pressurizing port on connector;Test tank is equipped with the upper pressure testing hole for being passed through pressure testing liquid to the upper space for setting position after packer setting, and connecting cylinder is equipped with the inlet opening for being connected to upper pressure testing hole and upper space, and upper and lower sealing structure is equipped between sheath assembly and test tank;And/or test tank is equipped with the lower pressure testing hole for being passed through pressure testing liquid to the lower space for setting position after packer setting, and pressure testing sealing structure is equipped between sheath assembly and test tank.After casing damage, sheath assembly is risen, only more casing replacing, greatly reduces maintenance cost.
Description
Technical field
The present invention relates to a kind of packer Withstand test devices.
Background technique
With the continuous development and progress of oil extraction in oil field technology, application neck of the slip-type packer in DP technology
Domain is more and more extensive, but the blocking time that happens occasionally in production application is short, it is big and other issues to unseal load, in order to reduce
The appearance of these problems needs to simulate underground work situation, carries out the test of oil immersion high-temperature pressure-proof to slip-type packer.Due to card
Tile style packer is suppressed set after, slips open, be expanded on casing wall, the great power of slips can be to damaging property of casing
Unrepairable injury.Even if not being slip-type packer, common packing element expanding packer is when setting, packing element
Over time internal surface of sleeve pipe can be caused to damage with internal surface of sleeve pipe forced contact.However packer must be in laboratory
Between well be sealed pressure test it is qualified after just can enter scene, the intermediate wells for testing worker-house at present involve great expense, and casing is whole
It being fixed in intermediate wells, maintenance cycle is long and cost is high, once damage will cause greatly to lose.
Summary of the invention
The purpose of the present invention is to provide one kind to carry out voltage-withstand test to packer, additionally it is possible to after casing damage
It is individually replaced the packer Withstand test device of casing.
To achieve the above object, the present invention adopts the following technical scheme:
Packer Withstand test device, including top opening, the closed test tank in bottom, the dress in test tank from top to bottom
Entering has sheath assembly, and sheath assembly includes and the removable connecting cylinder being fixedly connected of test tank and removable is fixedly connected under connecting cylinder
The casing of side, the tube port position sealing of connecting cylinder is fixed with upper end closed, lower end is used to connect the connector of packer, on connector
It offers for being suppressed to the central tube of packer to realize central tube pressurizing port of the packer setting in described sleeve pipe, definition
To set position as boundary after packer setting, by sheath assembly, the enclosure space that position, packer and connector surrounded is set
For upper space, by test tank, position is set and enclosure space that packer is surrounded is lower space;It is provided on test tank
For being passed through the upper pressure testing hole of pressure testing liquid to the upper space after packer setting, it is provided in connection and tries on connecting cylinder
The inlet opening for pressing hole and upper space, is provided with upper above upper pressure testing hole and inlet opening between sheath assembly and test tank
Sealing structure, the lower sealing structure below upper pressure testing hole and inlet opening;And/or it is provided on test tank in packer
The lower pressure testing hole of pressure testing liquid is passed through after setting to the lower space, in the upper of lower pressure testing hole between sheath assembly and test tank
Side is provided with pressure testing sealing structure.
The beneficial effect of the technical solution of above-mentioned packer Withstand test device is: when packer Withstand test device packet
When including pressure testing hole, inlet opening, upper sealing structure and lower sealing structure, pressure testing liquid can by upper pressure testing hole, inlet opening into
Enter in upper space, from the pressure-resistant seal performance for the top checking sealing of packer for setting position, during test, due to upper and lower close
The presence of seal structure, pressure testing liquid do not leak out, and ensure that the accuracy of test result;When packer Withstand test device
When including lower pressure testing hole, pressure testing sealing structure, pressure testing liquid can be entered in lower space by lower pressure testing hole, from setting position
Lower section checking sealing of packer pressure-resistant seal performance, due to the presence of pressure testing sealing structure, pressure testing liquid is not leaked out, protect
The accuracy of test result is demonstrate,proved.Certainly, when both above-mentioned have both, so that it may using test battery device respectively from two sides
To the pressure-resistant seal performance of checking sealing of packer.
Due to connecting cylinder with test tank is removable is fixedly connected, and the removable lower section for being fixedly connected on connecting cylinder of casing, therefore
After testing the generation damage of a period of time casing, so that it may rise by sheath assembly, only the casing below replacement, realizes
Casing is individually replaced, and greatly reduces maintenance cost.
Further, in order to still have when not only facilitating the upper and lower sealing structure of setting, but also can guarantee to squeeze into pressure testing liquid compared with
Good sealing performance is provided with the upper examination for being passed through pressure testing liquid to the upper space after packer setting on test tank
Hole is pressed, the inlet opening for being connected to upper pressure testing hole and upper space is provided on connecting cylinder, is provided between sheath assembly and test tank
Upper sealing structure above upper pressure testing hole and inlet opening, the lower sealing structure below upper pressure testing hole and inlet opening;Examination
It tests at the aperture of tank and is provided with the up big and down small conical surface, the upper end of connecting cylinder is provided with tapering compatible with the conical surface, institute
It states sealing structure to be arranged between the conical surface of test tank and the tapering of connecting cylinder, the lower sealing structure is that can tried
The distending type sealing ring of radial direction distending when press liquid pressure.
Further, in order to facilitate the configuration of distending type sealing ring, the lower sealing structure be include L-type cushion rubber and O-shaped
The Che Shi sealing structure of cushion rubber.
Further, in order to make experimental rig while can be from the pressure-resistant seal performance of both direction checking sealing of packer, together
When reduce the setting of sealing structure, and then the structure of short form test device is provided with for after packer setting on test tank
The lower pressure testing hole of pressure testing liquid is passed through to the lower space, the top between sheath assembly and test tank in lower pressure testing hole is arranged
There is pressure testing sealing structure, pressure testing sealing structure is the lower sealing structure.
Further, in order to facilitate the manufacture and fixing assembling of connector, connecting cylinder, the nozzle of connector and connecting cylinder
Between be also up big and down small cone match relationship, and connector sealing structure is provided between the conical surface, the upper end of connector
It is provided with the pressure cap for being used to compress connector and connecting cylinder being threadedly coupled with test tank.
Further, pressure cap is manufactured for convenience, and enhances the adjustment flexibility of pressure cap, and the pressure cap includes and test
The interior pressure cap of outer pressure cap, the direct compression connector being threaded in inside outer pressure cap that tank is threadedly coupled, on inside and outside pressure cap
It is provided with twisting structure.
Further, manufacture connector, connector include connector body for being connected with packer, consolidate for convenience
It is scheduled on the suppress pipe of connection ontology upper end, suppress pipe upper end closed, the central tube pressurizing port is provided in suppress pipe.
Further, in order to facilitate the manufacture of sheath assembly and assembly, at the same the setting of lower sealing structure for convenience, examination
The upper pressure testing hole being provided with for being passed through pressure testing liquid to the upper space after packer setting is tested on tank, is set on connecting cylinder
Be equipped with the inlet opening for being connected to upper pressure testing hole and upper space, be provided between sheath assembly and test tank positioned at upper pressure testing hole and into
Upper sealing structure above fluid apertures, the lower sealing structure below upper pressure testing hole and inlet opening;Sheath assembly further includes screw thread
The casing joints being connected between connecting cylinder and casing are provided with for installing the lower sealing structure on casing joints
Construction section.
Detailed description of the invention
Fig. 1 is the overall structure signal of the embodiment 1 of packer Withstand test device (connecting packer) in the present invention
Figure;
Fig. 2 is the enlarged drawing in Fig. 1 at lower sealing structure.
In figure: 1. suppress pipes;2. central tube pressurizing port;Pressure cap in 3.;4. hole for hoist;5. outer pressure cap;6. inlet opening;Under 7.
Sealing structure;O-shaped ring on 71.;72. spacer ring;73. lower O-shaped ring;74. lower L-type cushion rubber;L-type cushion rubber on 75.;8. slips seals
Every device;9. test tank;10. lower action pressure-testing joint;11. casing;12. casing joints;Action pressure-testing joint on 13.;14. connecting cylinder;15.
Sealing ring;16. tightening bar;17. connector body;18. twisting hole.
Specific embodiment
The embodiment 1 of packer Withstand test device is as depicted in figs. 1 and 2 in the present invention, pressure test in the present embodiment
The subjects of device are anchor packers 8, and experimental rig includes top opening, the closed test tank 9 in bottom, in test tank 9
From top to bottom be incorporated with sheath assembly, sheath assembly successively includes connecting cylinder 14, casing joints 12, casing from top to bottom
11, wherein casing joints 12 are used as intermediate connector, and upper and lower ends are threadedly coupled with connecting cylinder 14 and casing 11 respectively, have
Body, the upper end of casing joints 12 is provided with external screw thread, lower end is provided with internal screw thread, and the internal diameter of integral cannula component is consistent
's.In addition, being additionally provided with the construction section for installing lower sealing structure 7 on casing joints 12, lower sealing structure 7 is that combination is close
Seal structure, be it is a kind of can when by pressure testing fluid pressure radial direction distending distending type combined seal ring, as shown in Fig. 2, this
Lower sealing structure 7 in embodiment is Che Shi sealing structure, including upper L-type cushion rubber 75, upper O-shaped ring 71, spacer ring 72, lower L-type
Cushion rubber 74 and lower O-shaped ring 73.
The up big and down small conical surface is provided at the aperture of test tank 9, the upper end of connecting cylinder 14 is provided with and the conical surface phase
The tapering of adaptation, and upper sealing structure is provided between the conical surface of test tank 9 and the tapering of connecting cylinder 14, in the present embodiment
Upper sealing structure is the sealing ring 15 being mounted on 14 tapering of connecting cylinder, and sealing ring 15 is common O-ring seal.Due to the conical surface
The presence of matching relationship can squeeze sealing ring 15 when connecting cylinder 14 is along conical surface downlink, make to play sealing well
With.
The tube port position sealing of connecting cylinder 14 is fixed with upper end closed, lower end is used to connect the connector of anchor packer 8, this
Connector in embodiment is kit form, including connector body 17 and is threaded in suppressing for 17 top of connector body
The upper end of pipe 1, suppress pipe 1 is connected with plug, to close the top of suppress pipe 1, is offered in suppress pipe 1 for insulating to slips
The central tube of device 8 is suppressed to realize that anchor packer 8 sets the central tube pressurizing port 2 on casing 11.Connector body 17
Lower part is provided with the internal screw thread for connecting anchor packer 8, is also upper between connector body 17 and the nozzle of connecting cylinder 14
Small cone match relationship under big, and connector sealing structure is provided between the conical surface, in the present embodiment, connector sealing knot
Structure is the sealing ring 15 being mounted in connector body 17, therefore likewise, due to cone match relationship presence, work as connector
When 17 downlink of ontology, sealing ring 15 can be squeezed, to play good sealing function.
The top of connector body 17 is provided with the pressure cap for compressing connector body 17 and connecting cylinder 14, which is
Kit form, including the outer pressure cap 5 being threadedly coupled with test tank 9, the direct compression connector being threaded in inside outer pressure cap 5
The interior pressure cap 3 of ontology 17 is provided with twisting structure on inside and outside pressure cap, and the twisting structure in the present embodiment is twisting hole 18,
Twisting bar 16 has been also connected on outer pressure cap 5 in Fig. 1.The compression step compressed for interior pressure cap 3 is provided in connector body 17,
In fact, outer pressure cap 5 can also be directly pressed on the upper surface of connecting cylinder 14 in order to guarantee preferably to compress sealing effect,
Then interior pressure cap 3 is compressed again, i.e., inside and outside pressure cap compresses simultaneously.
It defines after anchor packer 8 is set to set position as boundary, by sheath assembly, sets position, 8 and of anchor packer
The enclosure space that connector body 17 is surrounded is upper space, by test tank 9, sets position and anchor packer 8 is surrounded
Enclosure space be lower space, be provided with for being passed through after anchor packer 8 is set to the upper space on test tank 9
The upper pressure testing hole of pressure testing liquid is provided with the inlet opening 6 for being connected to upper pressure testing hole and upper space on corresponding connecting cylinder 14, and
Upper pressure testing hole and inlet opening 6 are respectively positioned between upper and lower sealing structure, and setting in this way allows for, and sheath assembly is removable installation
In test tank 9, in order to facilitate the smooth installation and removal of sheath assembly, between 9 inner wall of sheath assembly and test tank not
Interference fit, pressure testing liquid lets out from upper and lower two sides in order to prevent, influences the accuracy of test result, so just by upper examination
Pressure hole and inlet opening 6 are arranged between upper and lower sealing structure, and upper sealing structure guarantees sealing effect using cone match
Fruit, lower sealing structure guarantee sealing effect using Che Shi sealing.
In order to separately verify the pressure-resistant seal performance of anchor packer 8 from both direction, also set up on test tank 9
There are the lower pressure testing hole for being passed through pressure testing liquid to the lower space after anchor packer 8 is set, sheath assembly and test
It is provided with pressure testing sealing structure above lower pressure testing hole between tank 9, in order to reduce the setting of sealing structure, short form test device
Structure, which is lower sealing structure 7.
In addition, upper and lower pressure testing hole is connect with hydraulic test pump for convenience, upper action pressure-testing joint 13 is connected on upper pressure testing hole,
Lower action pressure-testing joint 10 is connected on lower pressure testing hole.Sheath assembly is installed into test tank 9 in addition to facilitating, while also side
Just sheath assembly rise, hole for hoist 4 is provided on the upper surface of connecting cylinder 14.
The working principle of packer Withstand test device is in the present invention: before test, first by connecting cylinder 14, casing joints
12, the lower sealing structure 7 on casing joints 12, casing 11 assemble, using the hole for hoist 4 at the top of connecting cylinder 14 by casing group
Part is hung in test tank 9, and the cone match between the aperture and connecting cylinder 14 of test tank 9 can be to the downstream position of connecting cylinder 14
It is limited, prevents sheath assembly from falling completely in test tank 9.After hanging in sheath assembly, by suppress pipe 1, connector body 17
It is connected with anchor packer 8, hangs in test tank 9, connector body 17 and 14 cone match of connecting cylinder can be to the position of pipe string
It sets and is limited.Then outer pressure cap 5 is threadedly coupled with test tank 9, interior pressure cap 3 is threadedly coupled with outer pressure cap 5, utilizes internal pressure
Cap 3 compresses connector body 17, and then clamp sleeve component, while sealing ring 15 being made to play good sealing function.
It after connecting, is suppressed using central tube pressurizing port 2, realizes that the slips of anchor packer 8 is opened and expanded
Onto the inner wall of casing 11, while the packing element of anchor packer 8 is also set on the inner wall of casing 11, can then proceed in suitable
Sequence is suppressed from upper action pressure-testing joint 13, from the pressure-resistant seal performance of upper space verifying anchor packer 8, i.e., upper bearing capacity.?
During this, due to being formed with the annular space of minim gap between connecting cylinder 14 and test tank 9, so pressure testing liquid initially enters this
In annular space, then a part of pressure testing liquid enters upper space by inlet opening 6, and another part downlink acts on lower sealing structure
On 7, effect of the vertical edge of upper L-type cushion rubber 75 by highly pressurised liquid at this time, can radial distending, tightly against the interior of test tank 9
Wall, to prevent pressure testing liquid from letting out from there.
It when verifying the lower bearing capacity of anchor packer 8, is suppressed from lower action pressure-testing joint 10, pressure testing liquid enters lower part sky
Between, while it can act in lower sealing structure 7, effect of the vertical edge of this L-type cushion rubber 74 at present by highly pressurised liquid can be radial swollen
Open, tightly against the inner wall of test tank 9, to prevent pressure testing liquid from letting out from there, ensure that test result is accurate.
After test of many times, the slips and packing element of opening can cause to damage to the inner wall of casing 11, at this moment can be by casing
Component integrally rises out, and new test can be carried out by being only individually replaced casing 11.In addition, this experimental rig is integrally placed at heater
In, so that it may simulate high-temperature pressure-proof experiments of sealing performance.This experimental rig simple structure and reasonable design, it is not only low in cost, and
And it is easy to assembly, while sealing performance is also very reliable, can meet the intermediate wells test of slip-type packer, once there is casing
Damaged condition, it is only necessary to which more casing replacing can be set, it can be achieved that repeating anchoring, and the cost of operation and maintenance maintenance is relatively low, with most
Small cost ensures the safety of intermediate wells, produces great economic benefit and social benefit.
Embodiment 2 in the present invention: the present embodiment difference from example 1 is that, subjects be not slips envelope
Every device, but common packing element expanding packer.
Embodiment 3 in the present invention: the present embodiment difference from example 1 is that, pressure testing sealing structure and under it is close
The not same structure of seal structure, sealing structure set in addition.
Embodiment 4 in the present invention: the present embodiment difference from example 1 is that, experimental rig can only include
Upper and lower sealing structure, or only include pressure testing sealing structure, experimental rig is only capable of from the resistance to of direction checking sealing of packer at this time
Densification sealing property.
Embodiment 5 in the present invention: the present embodiment difference from example 1 is that, sheath assembly does not include casing
Connector, sealing structure is set up directly on connecting cylinder or casing at present for this, and casing is directly threadedly coupled with connecting cylinder.
Embodiment 6 in the present invention: the present embodiment difference from example 1 is that, connector is not kit form,
But integrated component.
Embodiment 7 in the present invention: the present embodiment difference from example 1 is that, pressure cap is not kit form, and
It is integrated component, pressure cap is directly threadedly coupled with test tank.
Embodiment 8 in the present invention: the present embodiment difference from example 1 is that, the cylinder of connector and connecting cylinder
Instead of cone match, cylindrical surface cooperation are not provided at this time for being articulated in the convex of connecting cylinder upper end on connector between mouthful
Platform.
Embodiment 9 in the present invention: the present embodiment difference from example 1 is that, lower sealing structure is not Che Shi
Sealing structure, but the special-shaped seal ring that a section is trapezoidal, trapezoidal short bottom edge are mounted on sheath assembly, and long bottom edge is used
Test top tank structure in fitting, trapezoidal waist is inclined-plane and upward, when pressure of the inclined-plane by pressure testing liquid, can radial distending simultaneously
It is close to test top tank structure, plays good sealing function.
Embodiment 10 in the present invention: the present embodiment difference from example 1 is that, the aperture of test tank and connection
Instead of cone match, cylindrical surface do not cooperate between cylinder, and the end of connecting cylinder is provided with for being articulated in test tank at this time
It is outer turn edge, and upper and lower sealing structure is common O-ring seal at this time, needs to guarantee sheath assembly after said fitting, O
Type sealing ring can be compressed to good sealing state.
Embodiment 11 in the present invention: the present embodiment difference from example 1 is that, casing and casing joints it
Between not instead of be threadedly coupled, pin connection.
Embodiment 12 in the present invention: the present embodiment difference from example 1 is that, connecting cylinder is not to pass through pressure cap
It is fixed on test tank, but is directly threadedly coupled with test tank, or the outer one side that turns edge being arranged by connecting cylinder upper end
It is articulated on test tank, another side will pass through bolt again to turn edge and be fixedly connected with test tank outside;Or connecting cylinder and test tank it
Between be pin connection.
Claims (8)
1. a kind of packer Withstand test device, it is characterised in that: including top opening, the closed test tank in bottom, test tank
Inside from top to bottom be incorporated with sheath assembly, sheath assembly includes and the removable connecting cylinder being fixedly connected of test tank and removable fixation
The casing being connected to below connecting cylinder, the tube port position sealing of connecting cylinder are fixed with upper end closed, lower end for connecting packer
Connector is offered for being suppressed in realize packer setting in described sleeve pipe to the central tube of packer on connector
Heart pipe pressurizing port, define packer setting after to set position as boundary, by sheath assembly, set position, packer and connector
The enclosure space surrounded is upper space, by test tank, sets position and enclosure space that packer is surrounded is that lower part is empty
Between;It is provided with the upper pressure testing hole for being passed through pressure testing liquid to the upper space after packer setting on test tank, connects
It is provided with the inlet opening for being connected to upper pressure testing hole and upper space on cylinder, is provided between sheath assembly and test tank positioned at upper pressure testing
Upper sealing structure above hole and inlet opening, the lower sealing structure below upper pressure testing hole and inlet opening;And/or on test tank
It is provided with the lower pressure testing hole for being passed through pressure testing liquid to the lower space after packer setting, sheath assembly and test tank
Between be provided with pressure testing sealing structure above lower pressure testing hole.
2. packer Withstand test device according to claim 1, it is characterised in that: be provided on test tank for sealing
The upper pressure testing hole of pressure testing liquid is passed through to the upper space after device is set, the upper pressure testing hole of connection and upper is provided on connecting cylinder
The inlet opening in portion space, the upper sealing knot being provided between sheath assembly and test tank above upper pressure testing hole and inlet opening
Structure, the lower sealing structure below upper pressure testing hole and inlet opening;The up big and down small conical surface is provided at the aperture of test tank, even
The upper end of connect cylinder is provided with tapering compatible with the conical surface, and the conical surface and the connection of test tank is arranged in the upper sealing structure
Cylinder tapering between, the lower sealing structure be can when by pressure testing fluid pressure radial direction distending distending type sealing ring.
3. packer Withstand test device according to claim 2, it is characterised in that: the lower sealing structure be include L
The Che Shi sealing structure of type cushion rubber and O-shaped ring.
4. packer Withstand test device according to claim 2 or 3, it is characterised in that: be provided with and be used on test tank
The lower pressure testing hole of pressure testing liquid is passed through to the lower space after packer setting, in lower examination between sheath assembly and test tank
Pressure is provided with pressure testing sealing structure above hole, and pressure testing sealing structure is the lower sealing structure.
5. packer Withstand test device according to claim 2 or 3, it is characterised in that: the cylinder of connector and connecting cylinder
Also be up big and down small cone match relationship between mouthful, and be provided with connector sealing structure between the conical surface, connector it is upper
End is provided with the pressure cap for being used to compress connector and connecting cylinder being threadedly coupled with test tank.
6. packer Withstand test device according to claim 5, it is characterised in that: the pressure cap includes and test tank spiral shell
The interior pressure cap of the outer pressure cap of line connection, the direct compression connector being threaded in inside outer pressure cap, is respectively provided on inside and outside pressure cap
There is twisting structure.
7. packer Withstand test device according to any one of claims 1 to 3, it is characterised in that: connector includes
Connector body for being connected with packer is fixed on and connect the suppress pipe of ontology upper end, suppress pipe upper end closed, it is described in
Heart pipe pressurizing port is provided in suppress pipe.
8. packer Withstand test device according to any one of claims 1 to 3, it is characterised in that: set on test tank
It is equipped with the upper pressure testing hole for being passed through pressure testing liquid to the upper space after packer setting, is provided with connection on connecting cylinder
The inlet opening in upper pressure testing hole and upper space is provided with above upper pressure testing hole and inlet opening between sheath assembly and test tank
Upper sealing structure, the lower sealing structure below upper pressure testing hole and inlet opening;Sheath assembly further includes the company of being threaded in
Casing joints between connect cylinder and casing are provided with the construction section for installing the lower sealing structure on casing joints.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109799081A (en) * | 2019-02-20 | 2019-05-24 | 中国石油集团川庆钻探工程有限公司 | Packer testing device and using method |
CN112832748A (en) * | 2020-12-29 | 2021-05-25 | 中石化江钻石油机械有限公司 | Pressure test device of casing hanger |
CN113390726A (en) * | 2021-06-10 | 2021-09-14 | 中国石油天然气股份有限公司 | Packer leakage plugging material, experimental method and device |
CN113820107A (en) * | 2020-06-12 | 2021-12-21 | 中国石油化工股份有限公司 | Performance testing method for expandable packer and pipe string |
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CN101994509A (en) * | 2010-10-22 | 2011-03-30 | 武汉海王机电工程技术公司 | Multipurpose ultrahigh-pressure packer tester |
CN103868661A (en) * | 2012-12-17 | 2014-06-18 | 中国石油化工股份有限公司 | Open hole packer tester and using method thereof |
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