CN205400664U - Multi -functional compression packer packing element unit experimental apparatus - Google Patents
Multi -functional compression packer packing element unit experimental apparatus Download PDFInfo
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- CN205400664U CN205400664U CN201620134154.4U CN201620134154U CN205400664U CN 205400664 U CN205400664 U CN 205400664U CN 201620134154 U CN201620134154 U CN 201620134154U CN 205400664 U CN205400664 U CN 205400664U
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- packing element
- sleeve pipe
- pedestal
- functional compression
- compression type
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Abstract
The utility model discloses a multi -functional compression packer packing element unit experimental apparatus, include: bottom plate, base, the base welds together with the bottom plate is concentric, attacks the internal thread on the base and is connected with the dabber of attacking the external screw thread, and the sleeve pipe is arranged in to the dabber, and dabber lower extreme and base threaded connection cup joint on the outer wall and test supporting spacer ring and packing element with the packing element unit, and upper end and compensation body threaded connection compensate body upper end and sit a threaded connection of mechanism, cup joint the push rod on the outer wall, the push rod contacts with sitting the piston rod bottom end plane of sealing in the structure, and the pressure sensor who surveys contact force between packing element and the sleeve pipe is installed for oil industry body commonly used to the sleeve pipe above the sleeve pipe, sits a mechanism and includes that fluid pressure line joint, piston cylinder, piston rod, seat seal the base. The utility model discloses the multi -functional compression packer packing element experimental apparatus that can be used for different packing element diameters, different packing element numbers fast, the the cost, has saved and has consumed because of processingequipment time is shortened.
Description
Technical field
The invention belongs to survey tool technical field, particularly relate to a kind of multi-functional compression type packer tubling unit experiment device.
Background technology
Along with the slump of oil price, petroleum industry is inflicted heavy losses on, and horizontal well multistage subsection pressure break becomes the Main Means of old well production increment, and packer is as the key instrument in down-hole of staged fracturing, and its sealing property directly influences the success or failure of pressure break.Contact pressure between packing element and sleeve pipe is approved by oil circle as the important indicator judging sealing effectiveness quality.So often carry out a series of experiment on ground, can the contact pressure between checking sealing of packer packing element and sleeve pipe meet pressure break requirement, then research has the experimental provision of multifunctional measuring contact pressure and is significant.
Traditional compression type packer tubling unit experiment device is designed to fixed dimension and the experimental provision of fixing packing element number, run into packing element size or packing element number all needs redesign, processing unit (plant) when changing, thus cause experimental cost high, the consequence such as length consuming time.
Summary of the invention
It is an object of the invention to provide a kind of multi-functional compression type packer tubling unit experiment device, aim to solve the problem that traditional compression type packer tubling unit experiment device is designed to fixed dimension and the experimental provision of fixing packing element number, run into packing element size or packing element number all needs redesign, processing unit (plant) when changing, thus cause experimental cost high, the problem of length consuming time.
The present invention is achieved in that a kind of multi-functional compression type packer tubling unit experiment device, and described multi-functional compression type packer tubling unit experiment device includes: base plate, pedestal, sleeve pipe, mandrel, compensation body, push rod, setting mechanism；
Described pedestal is concentric with base plate to be welded together, the mandrel being tapped with female thread on pedestal and be externally threaded is connected, described mandrel is placed in sleeve pipe, mandrel lower end is connected with base thread, outer wall is socketed the spacer ring supporting with packing element unit experiment and packing element, threadeding with compensating body in upper end, compensates body upper end and threaded with setting mechanism, outer wall is socketed push rod；Described push rod and the piston rod bottom plane contact set in structure, described sleeve pipe is the conventional body of petroleum industry, the sleeve pipe pressure transducer having the contact pressure surveyed between packing element and sleeve pipe installed above, described setting mechanism mainly includes hydraulic pipeline joint, piston cylinder, piston rod, sets pedestal.
Further, described compensation body is the cylinder that epirelief is recessed, and lower end female and upper end bossing are tapped with the internal and external threads of formed objects.
Further, described hydraulic pipeline joint is the boss that upper and lower two ends are externally threaded, and is drilled with the through hole of Φ 4；
Further, described piston cylinder is that top is tapped with and sets the female thread that pedestal boss external screw thread matches, and described piston rod is the L-shaped cylinder of interior sky, and Surface Machining has the groove for radial seal.
Further, described in set pedestal upper cylinder and be externally threaded, and be drilled with blind hole at axial line place, blind hole be tapped with partial threads, then set pedestal be radially drilled with 4 blind holes.
Further, described in set pedestal lower surface and be tapped with and compensate the female thread that body mates, two O RunddichtringO grooves of Surface Machining.
Multi-functional compression type packer tubling unit experiment device provided by the invention, the multi-functional compression type packer tubling experimental provision of different packing element diameter, different packing element number can be rapidly used for, first the axle diameter designed is less, when packing element interior diameter increases, the sleeve that only need to be socketed an external diameter and the equal size of packing element interior diameter outside mandrel just can be tested；Equally, when packing element number from one become two even more than time, only need to increase corresponding compensation body number on original compensation body and just can test；This utility model avoid redesign because packing element diameter, number change drawn experimental provision part, three times of times that the twice cost that brings of manufacture and Element Design, manufacture, assembling are wasted, therefore this utility model not only saves experimental cost but also reduce time loss.
Accompanying drawing explanation
Fig. 1 is that the multi-functional compression type packer tubling single packing element of unit experiment device that the embodiment of the present invention provides sets front schematic diagram.
Fig. 2 is that the single packing element that the embodiment of the present invention provides completes to set rear schematic diagram.
Fig. 3 is that two packing elements that the embodiment of the present invention provides set front schematic diagram.
Fig. 4 is that the increase packing element internal-and external diameter that the embodiment of the present invention provides sets front schematic diagram.
Fig. 5 is that two packing elements increase internal-and external diameters that the embodiment of the present invention provides set front schematic diagram.
In figure: 1, hydraulic line joint；2, piston cylinder；3, O RunddichtringO；4, pedestal is set；5, piston rod；6, O RunddichtringO；7, sleeve pipe；8, push rod；9, first body is compensated；10, mandrel；11, the first packing element；12, spacer ring；13, the first pressure transducer；14, pedestal；15, base plate；16, second body is compensated；17, the second packing element；18, the second pressure transducer；19, sleeve.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the structure of the present invention is explained in detail.
As it is shown in figure 1, the multi-functional compression type packer tubling unit experiment device of the embodiment of the present invention specifically includes that base plate 15, pedestal 14, sleeve pipe 7, mandrel 10, compensates body 9, push rod 8, setting mechanism.
nullDescribed base plate 15 is the certain thickness steel plate in tapped hole at edge，Described pedestal 14 is concentric with base plate 15 to be welded together，The mandrel 10 being tapped with female thread on pedestal 14 and be externally threaded is connected，Described mandrel 10 is placed in sleeve pipe 7，Threaded with pedestal 14 in mandrel 10 lower end，Outer wall is socketed the spacer ring 12 supporting with packing element unit experiment and packing element 11，Threaded with compensating body 9 in upper end，Compensate body 9 upper end to threaded with setting mechanism，Outer wall is socketed push rod 8，Described push rod 8 and the piston rod 5 bottom plane contact set in structure，Described sleeve pipe 7 is the conventional body of petroleum industry，Sleeve pipe 7 pressure transducer 13 having the contact pressure surveyed between packing element 11 and sleeve pipe 7 installed above，Described setting mechanism mainly includes hydraulic pipeline joint 1、Piston cylinder 2、Piston rod 5、Set pedestal 4.
Below in conjunction with specific embodiment, the structure of the present invention is further described.
Embodiment 1:
nullWhen being compressed contact pressure test experiments between formula packer list packing element and sleeve pipe，With studs, base plate 15 is fixed on ground，Whole experimental provision is made to be in a stationary state，Pedestal 14 and base plate 15 coaxial line are welded together，The external screw thread of mandrel 10 arbitrary end is connected with the female thread of pedestal 14，Spacer ring 12 and packing element 11 are socketed on mandrel 10，Compensate body 9 lower end female thread to be connected with mandrel 10 upper external screw thread，Push rod 8 is socketed on mandrel 10 and contacts with upper isolating ring 12，The pedestal that sets being provided with O RunddichtringO 6 is threaded connection with compensating body 9，The piston rod 5 being provided with O RunddichtringO 3 is socketed on and sets above pedestal 4，The mode that piston cylinder 2 is threaded connection is fixed on to set above pedestal 4 and formed with piston rod 5 and fits tightly，The mode that hydraulic pipeline joint 1 is threaded connection is fixed on and sets on pedestal 4，Sleeve pipe 7 coaxial line being provided with pressure transducer 13 is socketed in outside the parts of above-mentioned installation，Finally by the screw thread above hydraulic pipeline joint 1 and the hose connection offer seating sealing load of hydraulic pump.
When testing, start hydraulic pump, highly pressurised liquid flows into the blind hole setting pedestal 4 by the through hole of hydraulic pipeline joint 1, then flow out from 4 blind holes interconnected, the liquid flowed out just flows into inside piston cylinder 2 cavity, piston rod 5 is promoted to move downward, O RunddichtringO 3 ensure that liquid will not flow out between the gap caused because of mismachining tolerance between piston cylinder 2 and piston rod 5, O type seals 6 and ensure that liquid will not flow out from the gap set between pedestal 4 and piston rod 5, the piston rod 5 moved down promotes push rod 8, upper isolating ring 12 moves down and axially compresses packing element 11, packing element 11 is subject to axial load because being blocked so producing expanded radially by lower isolating ring 12 in lower end, last and sleeve pipe 7 forms close contact, the contact pressure between packing element 11 and sleeve pipe 7 is recorded by pressure transducer 13.Fig. 2 is the schematic diagram after having set, and piston rod 5 moves downward distance S.The contact pressure between packing element 11 and sleeve pipe 7 is recorded finally by pressure transducer 13.
Embodiment 2:
As shown in Figure 3, when needing to record the contact pressure between two or more packing element 11,17 and sleeve pipes 7, it is only necessary to process the compensation body 16 that several height differs in advance and just can complete experiment.During experiment, being threaded connection on the original basis, install another compensation body 16 compensating on body 9, the compensation body screw thread specification of design is the same, so can improve the commutativity compensating body.Other parts complete according to embodiment 1, install pressure transducer 18 simultaneously, record the contact pressure between packing element 11,17 and sleeve pipe 7 on sleeve pipe 7.Concrete experimental principle, with reference to embodiment 1, records the contact pressure between packing element 11,17 and sleeve pipe 7 respectively finally by pressure transducer 13,18.
Embodiment 3:
As shown in Figure 4, when needing to record the contact pressure between larger diameter packing element 11 and sleeve pipe 7, now have only to change compensate body 9, push rod 8 physical dimension and increase sleeve 19.During experiment, sleeve 19 is socketed in mandrel 10 outer wall, the compensation body 9 changing diameter is threadeded with mandrel 10 and compacting sleeve 19, experiment packing element and supporting spacer ring are socketed on sleeve 19, the push rod 8 changing diameter is socketed on the compensation body 9 changing diameter, setting mechanism parts are threadeded with the compensation body 9 changing diameter according to embodiment 1, and last outside puts the sleeve pipe 7 equipped with pressure transducer 13, connects with hydraulic pump and tests.Concrete experimental principle, with reference to embodiment 1, records the contact pressure between packing element and sleeve pipe finally by pressure transducer 13.
As shown in Figure 5, record the contact pressure between two or more major diameter packing element and sleeve pipe, compensation body 16 need only be increased on the basis of example 3, the measurement of contact pressure can be completed.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. a multi-functional compression type packer tubling unit experiment device, it is characterised in that described multi-functional compression type packer tubling unit experiment device includes: base plate, pedestal, sleeve pipe, mandrel, compensation body, push rod, setting mechanism；
Described pedestal is concentric with base plate to be welded together, threaded in the mandrel lower end being tapped with female thread on pedestal and be externally threaded, described mandrel is placed in sleeve pipe, mandrel outer wall is socketed the spacer ring supporting with packing element unit experiment and packing element, threaded with compensating body in upper end, compensate body upper end to threaded with setting mechanism, compensate socket push rod on external wall；Described push rod and the piston rod bottom plane contact set in structure, described sleeve pipe is the conventional body of petroleum industry, the sleeve pipe pressure transducer having the contact pressure surveyed between packing element and sleeve pipe installed above, described setting mechanism mainly includes hydraulic pipeline joint, piston cylinder, piston rod, sets pedestal.
2. multi-functional compression type packer tubling unit experiment device as claimed in claim 1, it is characterised in that described compensation body is the cylinder that epirelief is recessed, lower end female and upper end bossing are tapped with the internal and external threads of formed objects.
3. multi-functional compression type packer tubling unit experiment device as claimed in claim 1, it is characterised in that described hydraulic pipeline joint is the boss that upper and lower two ends are externally threaded, and is drilled with the through hole of Φ 4.
4. multi-functional compression type packer tubling unit experiment device as claimed in claim 1, it is characterized in that, described piston cylinder is that top is tapped with and sets the female thread that pedestal boss external screw thread matches, and described piston rod is the L-shaped cylinder of interior sky, and Surface Machining has the groove for radial seal.
5. multi-functional compression type packer tubling unit experiment device as claimed in claim 1, it is characterized in that, described in set pedestal upper cylinder and be externally threaded, and be drilled with blind hole at axial line place, blind hole is tapped with partial threads, then set pedestal be radially drilled with 4 blind holes.
6. multi-functional compression type packer tubling unit experiment device as claimed in claim 1, it is characterised in that described in set pedestal lower surface and be tapped with and compensate the female thread that body mates, two O RunddichtringO grooves of Surface Machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134154.4U CN205400664U (en) | 2016-02-23 | 2016-02-23 | Multi -functional compression packer packing element unit experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134154.4U CN205400664U (en) | 2016-02-23 | 2016-02-23 | Multi -functional compression packer packing element unit experimental apparatus |
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| CN205400664U true CN205400664U (en) | 2016-07-27 |
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| CN201620134154.4U Expired - Fee Related CN205400664U (en) | 2016-02-23 | 2016-02-23 | Multi -functional compression packer packing element unit experimental apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604521A (en) * | 2016-02-23 | 2016-05-25 | 西南石油大学 | Multifunctional compression packer rubber sleeve unit experiment device |
| CN112485184A (en) * | 2020-11-26 | 2021-03-12 | 中国石油大学(北京) | Packer rubber cylinder experimental device and experimental method thereof |
-
2016
- 2016-02-23 CN CN201620134154.4U patent/CN205400664U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604521A (en) * | 2016-02-23 | 2016-05-25 | 西南石油大学 | Multifunctional compression packer rubber sleeve unit experiment device |
| CN105604521B (en) * | 2016-02-23 | 2018-06-29 | 西南石油大学 | A kind of multi-functional compression type packer tubling unit experiment device |
| CN112485184A (en) * | 2020-11-26 | 2021-03-12 | 中国石油大学(北京) | Packer rubber cylinder experimental device and experimental method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |