CN203509986U - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN203509986U CN203509986U CN201320560861.6U CN201320560861U CN203509986U CN 203509986 U CN203509986 U CN 203509986U CN 201320560861 U CN201320560861 U CN 201320560861U CN 203509986 U CN203509986 U CN 203509986U
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- Prior art keywords
- rock core
- plug
- electrode slice
- clamping device
- cylindrical shell
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- 239000011435 rock Substances 0.000 claims abstract description 114
- 239000011810 insulating material Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims description 37
- 230000001174 ascending effect Effects 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 12
- 238000011160 research Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 20
- 239000007788 liquid Substances 0.000 description 13
- 238000011161 development Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
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- 238000004088 simulation Methods 0.000 description 5
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- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
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- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model provides a clamping device for the centre gripping rock core, clamping device includes: a confining pressure cylinder with a confining pressure cavity; the core sleeve is arranged in the confining pressure cavity and used for accommodating the core, and the core sleeve is provided with a first end and a second end which are opposite; the first end is provided with a first plug, the second end is provided with a second plug, and the core is positioned between the first plug and the second plug; a first electrode plate is arranged between the first plug and the rock core, a second electrode plate is arranged between the second plug and the rock core, a first insulating material is arranged between the first electrode plate and the rock core, and a second insulating material is arranged between the second electrode plate and the rock core. When the clamping device is electrified, no current flows through the rock core, and an experimental environment that only an electric field is applied to the rock core and no current flows through the rock core is created for laboratory research.
Description
Technical field
The utility model relates to energy minerals field, particularly a kind of clamping device.
Background technology
In energy minerals field, recovery ratio is the ratio number that the oil amount of energy extraction from oil reservoir accounts for oil in place, and it is for weighing an important indicator of energy minerals development level height.The height of recovery ratio is relevant with many factors, not only relevant with the natural conditions such as reservoir lithology, physical property, anisotropism, fluid properties, also adopt when developing oil fields drive the chemistry of type and use auxiliary, physics is auxiliary etc. artificial yield increase is relevant.
Energising development scheme is a kind of of the auxiliary yield increase of physics.Described energising development scheme is in the displacement in flooding process of oil exploitation, directly in oil bearing bed, applies larger electric current, and the oil in stratum is moved towards electrode, realizes and improves recovery ratio.Yet, because existing energising development scheme is excessive to the consumption of electric energy, cause the cost of oil exploitation too high.In order to reduce the electric energy loss of energising development scheme, researcher attempts only stratum being applied to electric field and improves recovery ratio.At present, when the researcher in laboratory studies energising development scheme, by core clamping device, clamp rock core with simulation and maintain the pressure of rock core in underground state.Therefore existing core clamping device can be realized to rock core and pass into electric current, and cannot realize, only to rock core, applies electric field and makes rock core not have electric current to pass through, cannot be for only applying electric field and recovery ratio while there is no electric current is studied to rock core.If without laboratory research, directly in oil development process, adopt and to stratum, apply the mode of electric field, because there is no test data support, once failure faces huge economic loss.
Utility model content
In view of this, the utility model provides a kind of clamping device that avoids interference effect.
The utility model provides a kind of clamping device, and for clamping rock core, described clamping device comprises: the confined pressure cylinder with confined pressure chamber; Be installed in described confined pressure chamber and for accommodating the rock core sleeve of described rock core, described rock core sleeve has relative first end and the second end; Described first end is provided with the first plug, and described the second end is provided with the second plug, and described rock core is between described the first plug and described the second plug; Between described the first plug and described rock core, the first electrode slice is set, between described the second plug and described rock core, the second electrode slice is set, between described the first electrode slice and described rock core, the first insulating materials is set, between described the second electrode slice and described rock core, the second insulating materials is set.
Preferably, described the first insulating materials is coated described the first electrode slice, and described the second insulating materials is coated described the second electrode slice.
Preferably, on described the first electrode slice, be provided with the hole that enters that flows into described rock core for fluid, on described the second electrode slice, be provided with the tap that flows out described rock core for fluid.
Preferably, described in enter the center that hole is arranged on described the first electrode slice, described tap is arranged on the center of described the second electrode slice.
Preferably, described clamping device is provided with ascending pipe and discharge pipe, described ascending pipe runs through described the first plug, the fluid injecting by described ascending pipe can flow into described rock core by the described hole that enters, described discharge pipe runs through described the second plug, and the fluid flowing out by described tap can flow out described clamping device by described discharge pipe.
Preferably, the position of the corresponding described ascending pipe of described the first insulating materials to described in enter hole and be provided with the first inlet guide chute, position to the described tap of the corresponding described discharge pipe of described the second insulating materials is provided with the first outlet guide chute.
Preferably, the surface that described the first insulating materials is faced described the second electrode slice arranges the second inlet guide chute that promising described fluid flows into described rock core guiding, and the surface that described the second insulating materials is faced described the first electrode slice arranges the second outlet guide chute that promising described fluid flows into described tap.
Preferably, the combination that is shaped as concentric circles and radiation line of described the second inlet guide chute and described the second outlet guide chute.
Preferably, described confined pressure cylinder comprises first cylindrical shell and the second cylindrical shell being connected with described the first cylindrical shell with described confined pressure chamber, described the second cylindrical shell is provided with to described the first plug and applies towards the first fastener of the power of described the second extreme direction, and described the first cylindrical shell is provided with to described the second plug and applies towards the second fastener of the power of described first end direction away from one end of described the second cylindrical shell.
Preferably, between described rock core sleeve and described the second cylindrical shell, be provided with openend insulating core.
Preferably, described the second cylindrical shell is provided with insulation cover plate away from the end face of described the first cylindrical shell, described the first fastener is the clamping screw that runs through described insulation cover plate and described openend insulating core, described the first fastener is threaded with described openend insulating core, to realize by rotating described the first fastener to the described first plug application of force.
Preferably, described the first cylindrical shell has through hole away from one end of described the second cylindrical shell, in described through hole, be provided with blind end insulating core, described the second fastener is the clamping screw that runs through described blind end insulating core, described the second fastener is threaded with described blind end insulating core, to realize by rotating described the second fastener to the described second plug application of force.
Preferably, described confined pressure cylinder also comprises the 3rd cylindrical shell being set on described the second cylindrical shell, and described the 3rd cylindrical shell is connected with described the first cylindrical shell and to described the second cylindrical shell, applies the power that prevents that described the second cylindrical shell from coming off from described the first cylindrical shell.
Preferably, described insulating materials has anticorrosive property.
Preferably, in described confined pressure chamber, be provided with insulating oil.
The described clamping device that the utility model embodiment provides, by insulating materials being set between electrode slice and rock core, make when electrode slice is switched on, can to described rock core, apply electric field by described the first electrode slice and described the second electrode slice, and there is no an electric current described rock core of flowing through, thereby only created and to described rock core, to have applied electric field and there is no the flow through experiment condition of described rock core of electric current for laboratory research.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the clamping device that provides of the utility model embodiment.
The specific embodiment
Refer to Fig. 1, the clamping device 100 that the utility model embodiment provides is for clamping rock core 10, described clamping device 100 comprises: the confined pressure cylinder 12 with confined pressure chamber 14, be arranged on the rock core sleeve 16 in described confined pressure cylinder 12, be arranged on the first electrode slice 18 and the second electrode slice 20 in described rock core sleeve 16.Described rock core 10 can be housed in described rock core sleeve 16, and between described the first electrode slice 18 and described the second electrode slice 20, can to described rock core 10, apply electric field by described the first electrode slice 18 and described the second electrode slice 20.
Described confined pressure cylinder 12 is for accommodating and install described rock core sleeve 16, and by described confined pressure chamber 14 interior filling liquids, to apply circumferential pressure to rock core sleeve 16, to realize the pressure state of the described rock core 10 of simulation when underground.
Described confined pressure cylinder 12 is made by stainless steel material, make it have good mechanical strength and corrosion resistance, described confined pressure cylinder comprises first cylindrical shell 22 with described confined pressure chamber 14, the second cylindrical shell 24 being connected with described first cylindrical shell 22 one end, and be set in the 3rd cylindrical shell 26 on described the second cylindrical shell 24.
Described the first cylindrical shell 22 has and connects the openend 30 of described the second cylindrical shell 24 and away from the blind end 32 of described the second cylindrical shell 24.Described rock core sleeve 16 can enter described confined pressure chamber 14 by described openend 30, can certainly take out described rock core sleeve 16 by described openend 30.
At described blind end 32, be provided with confined pressure chamber and enter leakage fluid dram 28, can by described confined pressure chamber enter leakage fluid dram 28 to described confined pressure chamber 14 filling liquids to increase the pressure to rock core sleeve 16, or enter by described confined pressure chamber the liquid that leakage fluid dram 28 is discharged in described confined pressure chambeies 14.Certainly; the position that leakage fluid dram 28 is entered in described confined pressure chamber is not limited to be arranged on described blind end 32; described confined pressure chamber can also be set on the sidewall of described the first cylindrical shell 22 and enter leakage fluid dram 28; those skilled in the art are under the enlightenment of the utility model technical spirit; also may there is other design alteration, but as long as its function and effect all should be covered by the utility model protection domain in the utility model is same or similar.
The center of described blind end 32 is provided with through hole 34, in described through hole 34, is provided with blind end insulating core 36.At described through hole 34, near one end of described the first cylindrical shell 22 outer surfaces, be provided with blind end plug 38, for preventing that described blind end insulating core 36 from coming off.Between described blind end insulating core 36 and the hole wall of described through hole 34, be provided with O-ring seals 40, to prevent the fluid seepage in described confined pressure chamber 14.
Liquid in described confined pressure chamber 14 is for exerting pressure to described rock core sleeve 16.Described liquid can be water or insulating oil, in the present embodiment, described liquid is insulating oil, so can realize when described the first electrode slice 18 or described the second electrode slice 20 occur that electric energy is revealed, can not give described confined pressure cylinder 12 by the liquid conductive in described confined pressure chamber 14, so promote the safety in utilization of described clamping device 100.
Described the second cylindrical shell 24 is threaded with the openend 30 of described the first cylindrical shell 22, and between described the second cylindrical shell 24 and described the first cylindrical shell 22, O-ring seals 40 is set, to prevent that liquid in described confined pressure chamber 14 is along the gap leakage between described the first cylindrical shell 22 and described the second cylindrical shell 24.The outer surface of described the second cylindrical shell 24 has circumferential projection 41.After described the second cylindrical shell 24 is connected with described the first cylindrical shell 22, described circumferential projection 41 is connected on the end face 31 of described openend 30, realizes the location, position of described the second cylindrical shell 24.On the end face of described the second cylindrical shell 24 away from described the first cylindrical shell 22, be provided with the insulation cover plate 42 of the nozzle that can cover described the second cylindrical shell 24.
Described the 3rd cylindrical shell 26 is set on described the second cylindrical shell 24, and described the 3rd cylindrical shell 26 is connected with described the first cylindrical shell 22 and to described the second cylindrical shell 24, applies the power that prevents that described the second cylindrical shell 24 from coming off from described the first cylindrical shell 22.In the present embodiment, described the 3rd cylindrical shell 26 is connected with the outer surface thread of described the first cylindrical shell 22, when described the 3rd cylindrical shell 26 installation, described the 3rd cylindrical shell 26 connects with the surface of described circumferential projection 41 back to described the first cylindrical shell 22, further, described the 3rd cylindrical shell 26 is to described circumferential projection 41 application of forces, to prevent that described the second cylindrical shell 24 from coming off from described the first cylindrical shell 22.
Described rock core sleeve 16 is accommodated and is arranged in described confined pressure chamber 14, and described rock core 10 is accommodated in described rock core sleeve 16 inside.Described rock core sleeve 16 adopts flexible materials to make, and after being subject to the pressure of described confined pressure chamber 14 interior liquid, described pressure can be passed to described rock core 10, realizes the circumferential pressure state when the nature state to described rock core 10 simulations.In the present embodiment, the material of described rock core sleeve 16 is rubber, having outside good force transfering characteristic, also has good corrosion resistance, because rubber is insulating materials, makes described rock core sleeve 16 have good security.
Described rock core sleeve 16 has relative first end 44 and the second end 46, and wherein said first end 44 closes on described the second cylindrical shell 24.Described first end 44 and described the second end 46 at described rock core sleeve 16 are separately installed with the first plug 48 and the second plug 50, and described rock core 10 is between described the first plug 48 and described the second plug 50.Described the first plug 48 and described the second plug 50 can be accepted outside applied pressures and also pass to described rock core 10, with the longitudinal pressure when the nature state to described rock core 10 simulations.So, by applying circumferential pressure and longitudinal pressure to described rock core 10, realize the described rock core 10 of simulation in natural state, and then created environmental basis for further carrying out experiment test.
The material of described the first plug 48 and described the second plug 50 has corrosion resistance and mechanical strength preferably.The material of the two can be insulating materials, is exemplified as resin, rubber, plastics or plastic-steel, can be also non-insulating material, is exemplified as stainless steel or copper, or inert metal.In the present embodiment, described the first plug 48 and described the second plug 50 adopt stainless steel to make.
After described the first plug 48 and described the second plug 50 are fit into described rock core sleeve 16, described the first plug 48 is concordant with the end face of described first end 44 back to the end face of described rock core 10, and described the second plug 50 is concordant with the end face of described the second end 46 back to the end face of described rock core 10.Described the first plug 48 and described the second plug 50 that can prepare a plurality of different sizes, with the described rock core 10 of corresponding different size.
Between described the first plug 48 and described the second plug 50 and the sidewall of described rock core sleeve 16, be provided with O-ring seals 40 respectively, to realize the sealing to described rock core 10, prevent that the liquid in described confined pressure chamber 14 from entering described rock core 10, avoid causing the interference to experiment.
Between described rock core sleeve 16 and described the second cylindrical shell 24, be provided with openend insulating core 52, thereby by electrical isolation between described rock core sleeve 16 and described confined pressure cylinder 12, avoid after described the first electrode slice 18 and described the second electrode slice 20 energisings, cause described confined pressure cylinder 12 charged, the safety in utilization that realizes this core clamping device 100 is better.Certainly, if described the first plug 48 adopts insulating materials to make, can adopt openend insulating core 52 described in other uninsulated Replacements.Between described openend insulating core 52 and described the second cylindrical shell 24, be provided with the openend plug 54 of being made by stainless steel material.
Liquid in described confined pressure chamber 14 oozes out, respectively between described the second cylindrical shell 24 and described openend plug 54, between described openend plug 54 and described openend insulating core 52, between described openend insulating core 52 and described the first plug 48, be provided with O-ring seals 40.
Described core clamping device 100 also comprises being arranged on described the second cylindrical shell 24 and to described the first plug 48 and applies towards the first fastener 56 of the power of described the second end 46, and is arranged on described the first cylindrical shell 22 and towards described the second plug 50 and applies towards the second fastener 58 of the power of described first end 44.
In the present embodiment, described the first fastener 56 is a clamping screw, and it runs through described insulation cover plate 42 and described openend insulating core 52, and connects with described the first plug 48.Described the first fastener 56 is threaded mutually with described openend insulating core 52, make described the first fastener 56 there is contrary locking rotation direction and discharge rotation direction, when described the first fastener 56 rotates towards described locking rotation direction, can apply towards the pressure of described the second end 46 to described the first plug 48, and this pressure is along with described the first fastener 56 of continuous rotation can increase gradually, further, this pressure passes to described rock core 10 by described the first plug 48; Corresponding, when described the first fastener 56 rotates towards described release rotation direction, can reduce the pressure to described the first plug 48, also can dismantle lower described the first fastener 56.
In the present embodiment, described the second fastener 58 is a clamping screw, and it runs through described blind end insulating core 36 and connects with described the second plug 50.Described the second fastener 58 is threaded mutually with described blind end insulating core 36, make described the second fastener 56 also can be to described second plug 48 application of forces, same described the first fastener 56 and described openend insulating core 52 above of principle, be not repeated in this description as space is limited.
In the present embodiment, by being set, described insulation cover plate 42 with described openend insulating core 52, described the first fastener 56 can directly not contacted with described confined pressure cylinder 12; By described blind end insulating core 36 is set, described the second fastener 58 can directly directly not contacted with described confined pressure cylinder 12, when there is electric leakage situation in described the first electrode slice 18 or described the second electrode slice 20, can not make described confined pressure cylinder 12 charged, so improve greatly the safety in utilization of structure yet.
Effectively avoided when described the first electrode slice 18 or described the second electrode slice 20 electric leakage, caused in described the first fastener 56 or described the second fastener 58 one or two when charged,
Position at described first plug 48 corresponding described the first fasteners 56, and the position of described second plug 50 corresponding described the second fasteners 58, offer respectively the blind hole of corresponding described the first fastener 56 and the second fastener 58, so that the two is spacing.Further, described the first fastener 56 is corresponding with the center of described the first plug 48, described the second fastener 58 is corresponding with the center of described the second plug 50, the application of force that so realizes described the first plug 48 and 50 pairs of described rock cores 10 of described the second plug is comparatively even, is beneficial to experiment test.
Described the first electrode slice 18 and described the second electrode slice 20 adopt equal metal to make, wherein, described the first electrode slice 18 is arranged between described the first plug 48 and described rock core 10, and described the second electrode slice 20 is arranged between described the second plug 50 and described rock core 10.Between described the first electrode slice 18 and described rock core 10, the first insulating materials 19 is set, between described the second electrode slice 20 and described rock core 10, the second insulating materials 21 is set, so realize when described the first electrode slice 18 and described the second electrode slice 20 energising, can apply electric field to described rock core 10, owing to being all provided with described the first insulating materials 19 and described the second insulating materials 21 between described the first electrode slice 18 and described the second electrode slice 20 and rock core, after the two energising, can not form electric current at described rock core 10, so effectively avoided electrophoresis, the disturbing effect such as electric osmose or electrolysis.
Described the first electrode slice 18 is electrically connected with external power source mutually by the first wire 59, and described the second electrode slice 20 is electrically connected with external power source mutually by the second wire 61.On the surface of described the first wire 59 and described the second wire 61, be coated with insulation sleeve respectively, in case leak-stopping is electric.
On described the first electrode slice 18, be provided with and enter hole 60, when injecting test fluid flow to described rock core 10, from the described hole 60 that enters, flow into described rock core 10.In the present embodiment, described in enter the center that hole 60 is arranged on described the first electrode slice 18, so, after described test fluid flow flows into described rock core, can be distributed to uniformly the integral body of described rock core, the degree of accuracy that so can improve measurement result.Accordingly, on described the second electrode slice 20, be provided with tap 62, after rock core 10, from described tap 62, flow out described in described test fluid flow flow process.In the present embodiment, described tap 62 is arranged on the center of described the second electrode slice 20, and the described test fluid flow being beneficial in described rock core 10 can wholely be discharged uniformly, the degree of accuracy that is conducive to improve measurement result.
Described clamping device 100 is provided with ascending pipe 64 and discharge pipe 66.Described ascending pipe 64 runs through described insulation cover plate 42, described openend insulating core 52 and described the first plug 48, and the liquid injecting by described ascending pipe 64 can enter described rock core 10 by the described hole 60 that enters.In the present embodiment, described ascending pipe 64 comprises water injection pipe 68 and oil fuel tube 70.Described discharge pipe 66 runs through described blind end insulating core 36 and described the second plug 50, and the described test fluid flow flowing out by described fluid hole 66 can flow out described clamping device 100 by described discharge pipe 66.
Will described the first electrode slice 18 or described the second electrode slice 20 and described rock core 10 conductings and generation current for fear of the described test fluid flow with electric conductivity injecting, described the first insulating materials 19 can be coated whole described the first electrode slice 18, and described the second insulating materials 21 can be coated whole described the second electrode slice 20.Further, for fear of described the first electrode slice 18 and described the second electrode slice 20, be corroded, described the first insulating materials 19 and described the second insulating materials 21 can have corrosion resistance, and material can be selected from plastics or rubber.
Described in going out to flow into from described ascending pipe 64 for the ease of described test fluid flow, enter hole 60, the position of the described first insulating materials 19 corresponding described ascending pipes 64 in surface of described the first electrode slice 18 to described in enter hole 60 the first inlet guide chute be set; In like manner, for the ease of described test fluid flow, from described tap 62, flow to described discharge pipe 66, at position to the described tap 62 of the described second corresponding described discharge pipes 66 in insulating materials 21 surface of described the second electrode slice 20, be provided with the first outlet guide chute.Further, for the ease of being distributed to more uniformly described rock core 10 from the described described test fluid flow that enters hole 60 inflows, the surface of facing described the second electrode slice 20 at described the first insulating materials 19 is set to the second inlet guide chute that described test fluid flow flows into described rock core 10 guiding, the combination that is shaped as concentric circles and radiation line of described the second inlet guide chute, so can make to enter from described the various piece that described test fluid flow that hole 60 enters flows to described rock core 10 more uniformly; For the ease of described test fluid flow, from described rock core 10, flow out, at described the second insulating materials 21, in the face of on the surface of described the first electrode slice 18, be provided with the second outlet guide chute, the combination that is shaped as concentric circles and radiation line of described the second outlet guide chute, the described test fluid flow of the described rock core 10 of can being convenient to flow through flows to described tap 62 uniformly.
Described test fluid flow can be water or wet goods liquid, can be also gas.When the described test fluid flow injecting is gas, can be injected into described rock core 10 by described oil fuel tube 70.By injecting different described test fluid flows, to study the variation that is applied to the electric field on described rock core 10, further study recovery ratio.
Be appreciated that, under the enlightenment of the utility model marrow, how those skilled in the art are to injecting described test fluid flow to described rock core 10, also may produce other kinds of schemes, as directly utilized ascending pipe penetrating electrode sheet, or make ascending pipe there is certain radian and direct corresponding hand-hole, in like manner discharge pipe directly runs through the second electrode slice, or discharge pipe arranges certain radian and direct corresponding tap.Because of as space is limited, no longer enumerate more scheme, but as long as the function of its realization and effect and the utility model are same or similar, all should be covered by the utility model protection domain.
The described clamping device 100 that the utility model embodiment provides, make when energising, can to described rock core 10, apply electric field by described the first electrode slice 18 and described the second electrode slice 20, owing between described the first electrode slice 18 and described the second electrode slice 20 and described rock core 10, insulating materials being set respectively, realize and there is no an electric current described rock core 10 of flowing through, thereby only created and to described rock core 10, to have applied electric field and there is no the flow through experiment condition of described rock core 10 of electric current for laboratory research.
Under technical spirit enlightenment of the present utility model; those skilled in the art do not need to carry out creative work and just can further revise the structure of described clamping device 100; yet as long as the function of its realization and effect and the utility model are same or similar, all should be covered by the utility model protection domain.
Claims (12)
1. a clamping device, for clamping rock core, is characterized in that, described clamping device comprises:
The confined pressure cylinder with confined pressure chamber;
Be installed in described confined pressure chamber and for accommodating the rock core sleeve of described rock core, described rock core sleeve has relative first end and the second end;
Described first end is provided with the first plug, and described the second end is provided with the second plug, and described rock core is between described the first plug and described the second plug;
Between described the first plug and described rock core, the first electrode slice is set, between described the second plug and described rock core, the second electrode slice is set, between described the first electrode slice and described rock core, the first insulating materials is set, between described the second electrode slice and described rock core, the second insulating materials is set.
2. clamping device as claimed in claim 1, is characterized in that: described the first insulating materials is coated described the first electrode slice, and described the second insulating materials is coated described the second electrode slice.
3. clamping device as claimed in claim 2, is characterized in that: on described the first electrode slice, be provided with the hole that enters that flows into described rock core for fluid, be provided with the tap that flows out described rock core for fluid on described the second electrode slice.
4. clamping device as claimed in claim 3, is characterized in that: described in enter the center that hole is arranged on described the first electrode slice, described tap is arranged on the center of described the second electrode slice.
5. clamping device as claimed in claim 4, it is characterized in that: described clamping device is provided with ascending pipe and discharge pipe, described ascending pipe runs through described the first plug, the fluid injecting by described ascending pipe can flow into described rock core by the described hole that enters, described discharge pipe runs through described the second plug, and the fluid flowing out by described tap can flow out described clamping device by described discharge pipe.
6. clamping device as claimed in claim 5, it is characterized in that: the position of the corresponding described ascending pipe of described the first insulating materials to described in enter hole and be provided with the first inlet guide chute, position to the described tap of the corresponding described discharge pipe of described the second insulating materials is provided with the first outlet guide chute.
7. clamping device as claimed in claim 6, it is characterized in that: the surface that described the first insulating materials is faced described the second electrode slice arranges the second inlet guide chute that promising described fluid flows into described rock core guiding, and the surface that described the second insulating materials is faced described the first electrode slice arranges the second outlet guide chute that promising described fluid flows into described tap.
8. clamping device as claimed in claim 7, is characterized in that: the combination that is shaped as concentric circles and radiation line of described the second inlet guide chute and described the second outlet guide chute.
9. clamping device as claimed in claim 1, it is characterized in that: described confined pressure cylinder comprises first cylindrical shell and the second cylindrical shell being connected with described the first cylindrical shell with described confined pressure chamber, described the second cylindrical shell is provided with to described the first plug and applies towards the first fastener of the power of described the second extreme direction, and described the first cylindrical shell is provided with to described the second plug and applies towards the second fastener of the power of described first end direction away from one end of described the second cylindrical shell.
10. clamping device as claimed in claim 9, is characterized in that: between described rock core sleeve and described the second cylindrical shell, be provided with openend insulating core.
11. clamping devices as claimed in claim 1, is characterized in that: described insulating materials has anticorrosive property.
12. clamping devices as claimed in claim 1, is characterized in that: described confined pressure is provided with insulating oil in chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560861.6U CN203509986U (en) | 2013-09-10 | 2013-09-10 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560861.6U CN203509986U (en) | 2013-09-10 | 2013-09-10 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203509986U true CN203509986U (en) | 2014-04-02 |
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| CN201320560861.6U Expired - Fee Related CN203509986U (en) | 2013-09-10 | 2013-09-10 | Clamping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495942A (en) * | 2013-09-10 | 2014-01-08 | 中国石油天然气股份有限公司 | Clamping device |
| CN108708716A (en) * | 2018-05-18 | 2018-10-26 | 西南石油大学 | A kind of multifunction three-dimensional flow simulating locking device |
-
2013
- 2013-09-10 CN CN201320560861.6U patent/CN203509986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495942A (en) * | 2013-09-10 | 2014-01-08 | 中国石油天然气股份有限公司 | Clamping device |
| CN103495942B (en) * | 2013-09-10 | 2016-04-06 | 中国石油天然气股份有限公司 | Clamping device |
| CN108708716A (en) * | 2018-05-18 | 2018-10-26 | 西南石油大学 | A kind of multifunction three-dimensional flow simulating locking device |
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