CN209606044U - A kind of mechanical load formula packing element simulation loading sealing experimental facility - Google Patents
A kind of mechanical load formula packing element simulation loading sealing experimental facility Download PDFInfo
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- CN209606044U CN209606044U CN201920458304.0U CN201920458304U CN209606044U CN 209606044 U CN209606044 U CN 209606044U CN 201920458304 U CN201920458304 U CN 201920458304U CN 209606044 U CN209606044 U CN 209606044U
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Abstract
The utility model discloses a kind of mechanical load formula packing element simulation loading sealing experimental facilities, loading system includes pedestal, support component, driving mechanism, compression system includes central tube, casing, the base upper surface is provided centrally with pressure-bearing platform, the support component lower end is fixed on pressure-bearing platform center, the packing element assembly is sleeved on outside support component, and packing element assembly bottom face is pressed on pressure-bearing platform, described sleeve pipe is by packing element assembly, pressure-bearing platform is accommodated into itself inner cavity, casing shoe is fixed on the base, it is pressed on packing element assembly in the sleeve pipe of the central tube lower end surface；Heating system setting is in casing periphery.Packing element distribution of contact and the test of the sealing performance of packing element under different operating conditions can be measured.Solve the problem of that existing testing device of rubber cylinder of packer applies that load is inaccurate can only to measure contact pressure.
Description
Technical field
The utility model relates to petroleum industry downhole tool imitative experimental appliance, specifically a kind of mechanical load formula envelope
Every device packing element simulation loading sealing experimental facility.
Background technique
As oil field development is to middle and later periods development, petroleum, natural gas probing and exploitation difficulty are continued to increase, oil gas water well
Oil-layer characteristic and underground working are more complicated, and to packer working performance, more stringent requirements are proposed.
Packer is with super-elasticity and sealability as the essential downhole tool of oil-gas mining, key element
Packing element, it has been the sole component of seal carrier, and be widely applied to well, water filling, blocking water, acidification, pressure break, sand control,
The DP technologies such as mechanical oil recovery, gaslift.The currently used packer in oil field mainly have external casing packer, compression packer,
Three kinds of hydraulic expanding packer.External casing packer is disposed upon between down-hole casing and the open hole formation borehole wall.Compression envelope
Refer to compression type glue barrel by tubing string ballast or hydraulic load every device so that bearing axial load generates radial deformation, packing element and
Internal surface of sleeve pipe contact, the annular clearance between casing and oil pipe is blocked, thus realize the requirement that DP technology blocks, it is this to connect
The superiority and inferiority of airtight quality is touched, key is the size of contact pressure between internal surface of sleeve pipe and packing element.Water conservancy inflatable packer is
It is expanded outwardly by packing element to insulate oil sets annular space.Thus, the performance of packer working performance will directly affect petroleum
The economic benefit of cost of winning and enterprise.
Domestic and foreign scholars pay much attention to packer Problem of Failure research and development, but because cartridge belong to it is compound non-
Linear material, for rubber material during stress deformation, internal stress is also to be pressurized in nonlinearity in rubber material
In the process, the mechanical property of rubber itself is all changing, and causes the performance parameter of rubber that cannot lead to as metal material
It crosses national standard and directly inquires and obtain.Moderate finite deformation is generated when packing element is squeezed and forms sealing, and theory analysis is more difficult, grinds at present
Theoretical formula in studying carefully is served only for qualitative analysis, cannot accurately describe the complicated mechanical behavior in rubber compression process.Sealant
In terms of the research of cylinder is concentrated mainly on the down-hole performance analysis and laboratory test of packer, as packing element heatproof, it is pressure-resistant with
And packing element is to casing-contact stress simulation test research etc..Packer is under underground high temperature, high pressure operating condition, the high temperature resistant power of packing element
Learning performance is particularly important, therefore simulates downhole tool work behavior, carries out different temperatures under high temperature, high pressure, different pressures
The experimental study for the stress condition that packer is carried is of great significance to the developmental research of downhole tool.In addition, passing through height
Warm, high pressure operating condition physical simulation experiment can obtain the intermediate experiment data that field test can not obtain, and can significantly shorten
The scientific research period effectively overcomes the drawbacks of new product, new process investment scene are used without any intermediate experiment.
Application number: 201510365943.9 are related to a kind of packing element sealing property testing equipment, including experimental box, hold
The experiment drilling rod being contained in experimental box, and the first pressure control component being communicated in experimental box；Wherein, packing element can be with set
The mode connect outside experiment drilling rod is contained in experimental box, and packing element energy radial contraction is simultaneously set on experiment drilling rod, In
The side of packing element forms the first pressure chamber being connected with the contact position of packing element and experiment drilling rod, the first pressure control group
It is intracavitary that part is communicated to the first pressure, by the first pressure control component to the first pressure intra-bladder instillation fluid squeeze packer packing element and
The contact position of drilling rod is tested, to test the sealing performance of packing element.Contraction type envelope can be effectively measured by above-mentioned apparatus
Every the sealing performance of device packing element.
Application number: 201721091409.4 disclose a kind of self-sealed packing element experimental tool of high temperature resistant, including
Pressure testing cylinder and the packing element component and retaining mechanism for being set to the pressure testing inner barrel；The retaining mechanism includes passing through outer spiral shell
The lock ring that line is connect with the pressure testing cylinder inboard wall, and the mandrel being arranged in below the lock ring, the mandrel upper end are provided with
The screw rod matched with the lock ring；The outside of the mandrel is arranged in the packing element component, including respectively and outside the mandrel
The packing element of wall and pressure testing cylinder inboard wall sealing, the lower part of the packing element, which is provided with, plays support sealing function to the packing element
Pressure ring, the lower part of the pressure ring are fixedly connected with the mandrel.The utility model the utility model is able to solve self-sealing packing element
Refractory seals performance test is solved the problems such as can not seriously being taken out after testing due to packing element deformation, improves functional reliability,
It improves work efficiency.
Application number: 201420267928.1 be a kind of downhole packer packing element sealing performance experimental provision, on ground
Verify the sealing performance of downhole packer.The present apparatus includes central tube, outer cylinder and pedestal, and outer cylinder is equipped with setting hole, instrument connection
With pressure testing hole, outer cylinder and central tube are connect with pedestal, are successively set with packing element, spacer ring from bottom to top between outer cylinder and central tube
And piston；Thrust ring is set between piston and outer cylinder, the pressure cap being sleeved on piston connect with outer cylinder and limits to thrust ring；Lock
The upper end end that ring is mounted on piston is threadedly coupled with central tube, and lock nut is sleeved on the upper end of central tube and connect with piston, will
The lower pocket of central tube is suppressed the present apparatus on support base, using hydraulic test pump, is tested.With simulation underground real work ring
The condition in border makes simulated experiment more scientific and precise.Present apparatus structure is simple, convenient for disassembly and assembly, reliable operation, effectively increases work
Make efficiency, reduces labor intensity.
The technical solution of technology disclosed above and technical problem to be solved and the beneficial effect of generation with this reality
With novel not identical, the more technical characteristics of the utility model and technical problem to be solved and beneficial effect, the above public affairs
It opens technological document and technical inspiration is not present.
Utility model content
The purpose of this utility model is to provide a kind of mechanical load formula packing element simulation loading sealing experimental facility,
Packing element distribution of contact and the test of the sealing performance of packing element under different operating conditions can be measured.Solve existing packer rubber
The problem of cylinder experimental rig application load is inaccurate, can only measure contact pressure, this experimental provision can preferably simulate packer
Under the high temperature and pressure of underground different temperatures, different pressures working environment, with simple, the easy to operate feature of structure, for envelope
Important leverage is provided every the improvement and promotion of device performance.
In order to achieve the above objectives, the utility model uses following technical solution, a kind of mechanical load formula packer rubber
Cylinder simulation loading sealing experimental facility, including packing element assembly, loading system, compression system, detection system further include heating system
System；The loading system includes pedestal, support component, driving mechanism, and the compression system includes central tube, casing, the bottom
Seat upper surface is provided centrally with pressure-bearing platform, and the support component lower end is fixed on pressure-bearing platform center, and the packing element assembly is sleeved on
Outside support component, and packing element assembly bottom face is pressed on pressure-bearing platform, and described sleeve pipe accommodates packing element assembly, pressure-bearing platform into itself
Inner cavity, casing shoe are fixed on the base, and are pressed on packing element assembly in the sleeve pipe of the central tube lower end surface, while supporting member
Part penetrates in the centre bore of central tube, and the central tube upper surface is connect with driving mechanism upper end, and driving mechanism lower end is fixed on
On pedestal, the detection system includes strain gauge transducer, tension sensor, pressure sensor, the strain gauge transducer peace
On casing, the tension sensor is mounted in driving mechanism, and the pressure sensor is mounted on casing；The heating
System setting is in casing periphery.
The pressure-bearing platform whole body has gap with internal surface of sleeve pipe, while packing element assembly radial outer wall and casing when not pressed
Inner wall also has gap, and the strain gauge transducer is mounted on the radial through-hole that casing opens up, and always radially outer with packing element
Wall is corresponding, and the pressure sensor is mounted on the radial through-hole that casing opens up, and the gap between pressure-bearing platform and casing
It is corresponding.
The heating system includes insulation shell, electric heater unit, outer housing, and the insulation shell cover is buckled in outside casing
It encloses, and insulation shell lower end is connected and fixed with lower end, electric heater unit is installed in insulation shell inner wall.
The insulation shell, outer housing open up corresponding upper aperture and lower aperture simultaneously, and water injection valve is installed in aperture on this,
Outlet valve is installed in lower aperture.
Described sleeve pipe also opens up the fluid inlet radially penetrated through, and fluid inlet installs high-pressure fluid injection head, and fluid enters
The fluid that mouth enters flows into the gap between pressure-bearing platform and casing first.
The packing element assembly includes three layers of stacked packing element, each packing element upper surface is respectively provided with a spacer ring.
Each packing element is at least corresponding with two strain gauge transducers.
The driving mechanism includes left screw rod, right screw rod, load crossbeam, left nut, right nut, the left screw rod, right spiral shell
Rod structure it is identical and it is symmetrical be fixed on the base, left spiral shell is installed after passing through the left through-hole that opens up of load crossbeam in left screw rod upper end
Right nut, section center under the load crossbeam are installed after passing through the right through-hole that load crossbeam opens up in mother, right screw rod upper end
It is connected and fixed with central tube upper surface, is respectively mounted tension sensor on the left screw rod, right screw rod.
The load crossbeam center opens up through hole, is connected to the centre bore of central tube, convenient for deflating, because of support component
Moving upwards in central tube centre bore can make the atmospheric pressure in centre bore become larger.
The utility model has the advantages that compared with prior art
The utility model experimental provision can measure the sealing of packing element distribution of contact and packing element under different operating conditions
Performance test.When measuring packing element contact stress, packing element and spacer ring are successively placed on support component first, then in installation
Heart pipe compresses packing element, is subsequently mounted load crossbeam and nut, tool is installed in place post debugging strain gauge transducer and pressure passes
Sensor determines that adjusting nut makes packing element only by axial load after sensor is errorless, and packing element after axial load by being radially expanded
Deformation, strain gauge transducer numerical value can be recorded when the registration of tension sensor reaches setting value.To further determine that packing element
Sealing performance, can from high-pressure fluid injection head inject preset pressure gas, when empty cavity pressure reaches requirement stop note
Enter, records pressure sensor numerical value at this time and change with time rule, the close of the packing element can determine that according to the variation of pressure value
Sealing property.Meanwhile in order to which test temperature is to the deformation of glue core and the influence of sealing performance, pass through the water filling being mounted on casing
Valve is pumped into suitable quantity of water in insulation cladding, is then turned on heating system and heats to water, and heating system, which can carry out automatically controlling, to be made
Water temperature maintains steady temperature.Experimental provision energy preferably simulation packer actual working environment, structure is simple, to packer
The improvement of performance is of great significance with promotion.
The apparatus structure is simple, and composite behaviour is good, is loaded by screw thread, relative to hydraulic loaded mode, mechanical load side
Formula is simpler, more flexible, convenient for operation, is conducive to carry out laboratory experiment.
The stress that packing element is simulated in underground working is tested, and pressure sensor, temperature sensor, strain can be passed through
Piece can be measured under different temperatures, under different pressures, the experimental provision of contact stress size and distribution.
The gas of preset pressure is injected by high-pressure fluid injection head, tests the variation of empty cavity pressure numerical value, it can be more smart
The sealing reliability of true verifying oil gas water well packing element in the operating condition.
Detailed description of the invention
Fig. 1 is packing element simulation loading sealing experimental facility schematic diagram provided by the embodiment of the utility model；
Fig. 2 is that the utility model implements the packing element simulation loading sealing experimental facility operation schematic diagram provided；
In figure: nut 1, load crossbeam 2, screw rod 3, central tube 4, spacer ring 5,139.7 casing 6 of Φ, strain gauge transducer 7,
Packing element 8, pedestal 10, high-pressure fluid injection head 11, outlet valve 12, pressure sensor 13, support component 14, is protected at tension sensor 9
Warm shell 15, electric heater unit 16, water injection valve 17, outer housing 18.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution:
A kind of mechanical load formula packing element simulation loading sealing experimental facility, including packing element assembly, loading system, plus
Pressure system, detection system further include heating system；The loading system includes pedestal 10, support component 14, driving mechanism, institute
Stating compression system includes central tube 4, casing 6, and the base upper surface is provided centrally with pressure-bearing platform, 14 lower end of support component
It is fixed on pressure-bearing platform center, the packing element assembly is sleeved on outside support component, and packing element assembly bottom face is pressed on pressure-bearing platform,
Described sleeve pipe accommodates packing element assembly, pressure-bearing platform into itself inner cavity, and 6 bottom end of casing is fixed on pedestal 10, under the central tube 4
It is pressed in end face sleeve pipe 6 on packing element assembly, while support component 14 penetrates in the centre bore of central tube 4, the central tube 4
Upper surface is connect with driving mechanism upper end, and driving mechanism lower end is fixed on pedestal 10, and the detection system includes that strain-type passes
Sensor 7, tension sensor 9, pressure sensor 13, the strain gauge transducer are mounted on casing, the tension sensor peace
In driving mechanism, the pressure sensor is mounted on casing；The heating system setting is in 6 periphery of casing.
The pressure-bearing platform whole body has gap with internal surface of sleeve pipe, while packing element assembly radial outer wall and casing when not pressed
Inner wall also has gap, and the strain gauge transducer 7 is mounted on the radial through-hole that casing opens up, and always radially outer with packing element
Wall is corresponding, and the pressure sensor 13 is mounted on the radial through-hole that casing opens up, and the sky between pressure-bearing platform and casing
Gap is corresponding.
The heating system includes insulation shell 15, electric heater unit 16, outer housing 18, and the insulation shell cover is buckled in set
Pipe periphery, and insulation shell lower end is connected and fixed with lower end, installs electric heater unit in insulation shell inner wall.
The insulation shell, outer housing open up corresponding upper aperture and lower aperture simultaneously, and water injection valve is installed in aperture on this
17, outlet valve 12 is installed in lower aperture.
Described sleeve pipe also opens up the fluid inlet radially penetrated through, and fluid inlet installs high-pressure fluid injection head 11, and fluid
The fluid that entrance enters flows into the gap between pressure-bearing platform and casing first.
The packing element assembly includes three layers of stacked packing element 8, each packing element upper surface is respectively provided with a spacer ring 5.
Each packing element is at least corresponding with two strain gauge transducers 7.
The driving mechanism includes left screw rod, right screw rod, load crossbeam, left nut, right nut, the left screw rod, right spiral shell
Rod structure it is identical and it is symmetrical be fixed on the base, left spiral shell is installed after passing through the left through-hole that opens up of load crossbeam in left screw rod upper end
Right nut, section center under the load crossbeam are installed after passing through the right through-hole that load crossbeam opens up in mother, right screw rod upper end
It is connected and fixed with central tube upper surface, is respectively mounted tension sensor on the left screw rod, right screw rod.
2 center of load crossbeam opens up through hole, is connected to the centre bore of central tube, convenient for deflating, because of support member
Part is moved upwards in central tube centre bore can make the atmospheric pressure in centre bore become larger.
The loading system includes nut 1, loads crossbeam 2, screw rod 3, tension sensor 9, support component 14 and pedestal 10,
The screw rod 3 is set to the two sides of pedestal 10, and the lower end of two sides screw rod 3 is connect with pedestal 10, described to distinguish on two sides screw rod 3
Equipped with a pair of of tension sensor 9, screw rod upper end passes through the through-hole that load crossbeam opens up and connect with load crossbeam 2, the pedestal 10
The fixed support component 14 in upper surface center, the upper surface center and 3 middle position of screw rod of pedestal 10 are respectively and under casing 6
Both sides is fixed at end, and the screw rod 3 connect upper end nut 1 with load crossbeam 2 and tightens.
The compression system includes pressure sensor 13, strain gauge transducer 7, casing 6, central tube 4, spacer ring 5, the bottom
The center upper surface of seat 10 is equipped with three pairs of packing elements 8 close to the two sides of support component 14, and casing 6 is loaded on the outside of packing element 8, and
It is connected with the strain gauge transducer 7 being mounted on above casing 6, the upper surface of three pairs of packing elements 8 is connected with three pairs of spacer rings 5 respectively
It connects, the upper end of described sleeve pipe 6 is connected with outer housing 18, and the lower section of the central tube 4 and the upper surface consistency from top to bottom of spacer ring 5 connect
It connects, the top of central tube 4 is connect with the lower surface of load crossbeam 2.
The heating system includes high-pressure fluid injection head 11, insulation shell 15, electric heater unit 16, water injection valve 17, goes out
Water valve 12, outer housing 18, the insulation shell 15 is loaded on the outside of casing 6, and forms annular space with casing 6, described in insulation cladding
High-pressure fluid injection head 11 is installed on the side wall of body 15, water injection valve 17 is installed, outlet valve 12 is provided with sealing in casing 6
Chamber is directly connect with high-pressure fluid injection head 11, and 15 lower section of insulation shell is connected with pedestal 10, top and outer housing 18
It is connected, is connect with the inside line of insulation shell 15 equipped with electric heater unit 16 in 6 outside of casing and outer housing 18；
The detection system includes tension sensor 9, pressure sensor 13, strain gauge transducer 7, the tension sensor
9 are installed on the top of 10 junction of screw rod 3 and pedestal, are connected with screw rod 3；The pressure sensor 12 is mounted on casing 6
Outside, above the seal chamber that insulation shell 15 is connect with casing 6, in the lower section of strain gauge transducer 7；The strain-type
Sensor installation and the outside of casing 6, in the middle position of spacer ring 5 and packing element 8,7 bottom of strain gauge transducer directly with 8 phase of packing element
Even；Spacer ring 5 is equipped between 4 lower end surface of central tube and the upper surface of packing element 8.
It is described below with reference to structure and function of the specific implementation steps to the utility model:
Embodiment 1:
Packer test device shown in FIG. 1 can measure packing element 8 distribution of contact situation, In under different loads
When measuring 8 contact stress of packing element, packing element 8 and spacer ring 5 are successively placed on support component 14 first, then installation center pipe 4
Packing element 8 is compressed, is subsequently mounted load crossbeam 2 and nut 1, tool is installed in place post debugging strain gauge transducer 7 and pressure passes
After determining that sensor performance is errorless, the digital display screen of strain gauge transducer 7 and pressure sensor 13 is read for the performance of sensor 13
Number is zero, starts to be moved down with spanner turn nut 1, and torque and axial load pass to load crossbeam 2, due to loading crossbeam
2 effect, torque above are eliminated, are just designed so as to, and so that central tube 4 is compressed spacer ring 5 only not will receive by axial load
Torque load, and it is deformed packing element 8, comply fully with requirement of actual working condition.Axial load be passed down to central tube 4, every
Ring 5, packing element 8, packing element 8 are radially expanded by the effect of axial load, when axial load continues growing, in packing element 8 and casing 6
Wall is in contact, and generates contact pressure, and 7 pass on external digital display screen by contact stress sensing, when load crossbeam 2 after
Continue downward clamping screw 3, the tension sensor 9 being mounted on above screw rod 3 can determine the axial direction that load crossbeam 2 transmits downwards
Magnitude of load can no longer give 1 applied force of nut, can record when the registration of tension sensor 9 reaches presetting initial value
The numerical value of strain gauge transducer 7.
Embodiment 2:
When needing to measure the sealing performance of packing element 8, preset pressed gas can be injected out of high-pressure fluid injection head 11,
Stop injection when empty cavity pressure reaches requirement, records pressure sensing numerical value at this time and change with time rule, according to pressure
The variation of numerical value can determine that the sealing performance of packing element 8.
Embodiment 3:
While carrying out embodiment 1 or embodiment 2, increase test temperature to the shadow of the deformation of glue core and sealing performance
Loud step passes through the note being mounted on insulation shell 14 when test temperature is to the deformation of glue core and the influence of sealing performance
Water valve 16 can infuse suitable quantity of water in the insulation shell 14, and then electric heater unit 15 heats water, and electric heater unit 15 can be into
Row, which automatically controls, makes water temperature maintain steady temperature.After to be tested, water can be discharged from outlet valve 12.
In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of mechanical load formula packing element simulation loading sealing experimental facility, including packing element assembly, loading system, pressurization
System, detection system, which is characterized in that further include heating system；The loading system includes pedestal, support component, driving machine
Structure, the compression system include central tube, casing, and the base upper surface is provided centrally with pressure-bearing platform, under the support component
End is fixed on pressure-bearing platform center, and the packing element assembly is sleeved on outside support component, and packing element assembly bottom face is pressed in pressure-bearing platform
On, described sleeve pipe accommodates packing element assembly, pressure-bearing platform into itself inner cavity, and casing shoe is fixed on the base, under the central tube
It is pressed in the sleeve pipe of end face on packing element assembly, while support component penetrates in the centre bore of central tube, the central tube upper end
Face is connect with driving mechanism upper end, and driving mechanism lower end is fixed on the base, and the detection system includes strain gauge transducer, draws
Force snesor, pressure sensor, the strain gauge transducer are mounted on casing, and the tension sensor is mounted on driving mechanism
On, the pressure sensor is mounted on casing；The heating system setting is in casing periphery.
2. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 1, feature
It is, the pressure-bearing platform whole body has gap with internal surface of sleeve pipe, while in the packing element assembly radial outer wall and casing when not pressed
Wall also has gap, and the strain gauge transducer is mounted on the radial through-hole that casing opens up, and with packing element assembly radial outer wall
Corresponding, the pressure sensor is mounted on the radial through-hole that casing opens up, and the gap phase between pressure-bearing platform and casing
It is corresponding.
3. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 1 or 2, special
Sign is that the heating system includes insulation shell, electric heater unit, outer housing, and the insulation shell cover is buckled in casing periphery,
And insulation shell lower end is connected and fixed with lower end, installs electric heater unit in insulation shell inner wall.
4. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 3, feature
It is, the insulation shell, outer housing open up corresponding upper aperture and lower aperture simultaneously, and water injection valve is installed in aperture on this, under
Outlet valve is installed in aperture.
5. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 1 or 2 or 4,
It is characterized in that, described sleeve pipe also opens up the fluid inlet radially penetrated through, fluid inlet installs high-pressure fluid injection head, and fluid
The fluid that entrance enters flows into the gap between pressure-bearing platform and casing first.
6. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 1 or 2 or 4,
It is characterized in that, the packing element assembly includes three layers of stacked packing element, each packing element upper surface is respectively provided with a spacer ring.
7. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 6, feature
It is, each packing element is at least corresponding with two strain gauge transducers.
8. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 1 or 2 or 4,
It is characterized in that, the driving mechanism includes left screw rod, right screw rod, load crossbeam, left nut, right nut, the left screw rod, the right side
Screw-rod structure it is identical and it is symmetrical be fixed on the base, left spiral shell is installed after passing through the left through-hole that opens up of load crossbeam in left screw rod upper end
Right nut, section center under the load crossbeam are installed after passing through the right through-hole that load crossbeam opens up in mother, right screw rod upper end
It is connected and fixed with central tube upper surface, is respectively mounted tension sensor on the left screw rod, right screw rod.
9. a kind of mechanical load formula packing element simulation loading sealing experimental facility according to claim 8, feature
It is, the load crossbeam center opens up through hole, is connected to the centre bore of central tube.
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| CN201920458304.0U CN209606044U (en) | 2019-04-04 | 2019-04-04 | A kind of mechanical load formula packing element simulation loading sealing experimental facility |
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| CN201920458304.0U CN209606044U (en) | 2019-04-04 | 2019-04-04 | A kind of mechanical load formula packing element simulation loading sealing experimental facility |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487020A (en) * | 2020-04-24 | 2020-08-04 | 中国石油天然气集团有限公司 | Coal underground gasification pipe column integrity simulation test device and test method |
| CN112611640A (en) * | 2020-10-22 | 2021-04-06 | 西南石油大学 | Device and method for testing high-temperature compression performance of variable-specification multi-size rubber cylinder |
| 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 |
| CN114486218A (en) * | 2022-01-18 | 2022-05-13 | 无锡万奈特测量设备有限公司 | Automatic measuring machine for penetration of gear hub oil hole and measuring method thereof |
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2019
- 2019-04-04 CN CN201920458304.0U patent/CN209606044U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487020A (en) * | 2020-04-24 | 2020-08-04 | 中国石油天然气集团有限公司 | Coal underground gasification pipe column integrity simulation test device and test method |
| CN112611640A (en) * | 2020-10-22 | 2021-04-06 | 西南石油大学 | Device and method for testing high-temperature compression performance of variable-specification multi-size rubber cylinder |
| CN112611640B (en) * | 2020-10-22 | 2022-05-17 | 西南石油大学 | Device and method for testing high-temperature compression performance of variable-specification multi-size rubber cylinder |
| 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 |
| CN114486218A (en) * | 2022-01-18 | 2022-05-13 | 无锡万奈特测量设备有限公司 | Automatic measuring machine for penetration of gear hub oil hole and measuring method thereof |
| CN114486218B (en) * | 2022-01-18 | 2023-08-25 | 无锡万耐特自动化设备股份公司 | Automatic measuring machine for penetration of gear hub oil hole and measuring method thereof |
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