CN206671142U - The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation - Google Patents
The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation Download PDFInfo
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- CN206671142U CN206671142U CN201720472331.4U CN201720472331U CN206671142U CN 206671142 U CN206671142 U CN 206671142U CN 201720472331 U CN201720472331 U CN 201720472331U CN 206671142 U CN206671142 U CN 206671142U
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- pressure
- rock core
- pyrocondensation
- measuring tie
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- 238000005065 mining Methods 0.000 title claims abstract description 40
- 239000011435 rock Substances 0.000 claims abstract description 120
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 13
- 238000004088 simulation Methods 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 3
- 230000035882 stress Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 30
- 238000002474 experimental method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005325 percolation Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is a kind of sealed multi-measuring point oil-gas mining analogue means of pyrocondensation, and the device includes the pressure nacelle that can be sealed, in addition to the energy sealed bundle overlying strata heart and rock core both ends are against the pyrocondensation sealing unit of the stop plug of setting；Pressure nacelle is internally provided with core clamping device, and core clamping device can be fixed by the rock core and stop plug of pyrocondensation sealing unit sealing cladding vertically；The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation is also resisted against including one end on rock core and other end sealing wears the pressure measuring tie-in structure by pressure nacelle.The device overcomes the problems such as fragile rubber packing element present in existing apparatus, easy to aging and experimental simulation stress accuracy difference, rock core sealing structure in the device is hardly damaged, service life length, and the device can accurate simulation rock core stressing conditions, experimental result is more accurate.
Description
Technical field
Reservoir modeling experimental technique field is the utility model is related to, more particularly to a kind of percolation law for being used to probe into rock core
The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation.
Background technology
Core holding unit is very heavy when carrying out reservoir physical simulation, percolation law in Study of Fluid rock core in laboratory
Will and essential experimental provision.Core holding unit quality and applicability can directly influence experimental data accuracy and
Reliability.
Conventional core holding unit is made up of cylinder, plug, barrel body end cover and base.It is typically to put rock core when in use
Enter in a rubber packing element, rock core side wall completely attaches to rubber packing element inwall, then will be with rock core shape of cross section and size
The same rock core plug is respectively placed in rock core both ends, is wrapped up together with rock core by rubber packing element.Then rock core plug will be enclosed with
It is put into the rubber packing element of core in the inner chamber of cylinder.In the both ends fixed plug of rubber packing element, barrel body end cover is connected, so
A closed cavity is formed between plug, barrel body end cover, rubber packing element, liquid is squeezed into cavity, in rubber packing element
Outer formation confined pressure, after confined pressure steady, proceed by experiment.
As people are more and more deep for the research of oil-gas reservoir, for rock core especially for flow in low permeability core and densification
The requirement more and more higher of core experiment precision, do rock core multipoint pressure experiment when, existing core holding unit exist it is many not
Foot and defect：First, leakage problem easily occurs for rubber packing element；Second, when carrying out carbon dioxide experiment, easily cause rubber glue
The swelling of cylinder；3rd, rubber packing element is easy to aging, and service life is short；4th, rubber packing element volume and elasticity are larger, quick to elasticity
Some experimental results of sense influence very big；5th, tested by the use of rubber packing element as the reservoir modeling of rock core sealing device, it is impossible to
Axial compressive force is formed, can not accurate simulation oil reservoir situation.
Thus, the present inventor relies on experience and the practice for being engaged in relevant industries for many years, proposes a kind of sealed more surveys of pyrocondensation
Point oil-gas mining analogue means, the defects of to overcome prior art.
Utility model content
The purpose of this utility model is to provide a kind of pyrocondensation sealed multi-measuring point oil-gas mining analogue means, overcome existing
The problems such as rubber packing element present in device is fragile, easy to aging and experimental simulation stress accuracy difference, the rock core in the device
Sealing structure is hardly damaged, service life is grown, and the device can accurate simulation rock core stressing conditions, experimental result is more accurate.
The purpose of this utility model is achieved in that a kind of sealed multi-measuring point oil-gas mining analogue means of pyrocondensation, bag
Include the pressure nacelle that can be sealed, the pressure nacelle be internally provided with can the sealed bundle overlying strata heart and the rock core both ends against setting
The pyrocondensation sealing unit for the stop plug put；The inside of the pressure nacelle is additionally provided with core clamping device, the rock core folder
The rock core coated by the sealing of pyrocondensation sealing unit and the stop plug can be fixed vertically by holding device；The pyrocondensation
Sealed multi-measuring point oil-gas mining analogue means is also resisted against on the rock core including one end and other end sealing wears and passes through institute
State the pressure measuring tie-in structure of pressure nacelle.
In a better embodiment of the present utility model, one end of the core clamping device can be resisted against the rock core
On the stop plug of one end, the other end of the core clamping device, which is provided with, can be resisted against the rock core other end vertically
Compressor arm on stop plug.
In a better embodiment of the present utility model, the core clamping device includes open-topped housing, institute
The bottom for stating housing is vertically provided with leg structure, be provided with the bottom plate of the housing insertion and can be against described in support
The bottom plate through groove of rock core and the stop plug, the first side wall of the housing can be resisted against the stop plug of described rock core one end
On, the housing includes the second sidewall being oppositely arranged with the first side wall, and the compression is equipped with the second sidewall
Bar.
In a better embodiment of the present utility model, pressure measuring tie-in fix bar, institute are provided with the top of the housing
State and multiple joint vias for being used to wear the fixed pressure measuring tie-in structure are arranged at intervals with pressure measuring tie-in fix bar.
In a better embodiment of the present utility model, the compressor arm is screw rod, is provided with the second sidewall
The screw flight hole can be threadedly coupled.
In a better embodiment of the present utility model, the pressure measuring tie-in structure include it is multiple spaced and
One end is resisted against the sidepiece pressure measuring tie-in in the side wall of the rock core, and the pressure measuring tie-in structure also connects including first end face pressure measurement
Head and second end face pressure measuring tie-in, the first end face pressure measuring tie-in, one end difference contact of the second end face pressure measuring tie-in
In on two end faces of the rock core, the other end of multiple sidepiece pressure measuring tie-ins is connected with the pressure measurement instrument, described
The other end of first end face pressure measuring tie-in connects with first pressure source, the other end of the second end face pressure measuring tie-in and the second pressure
Power source connects.
In a better embodiment of the present utility model, it is provided with the side wall of the pyrocondensation sealing unit for wearing
The open-work of the sidepiece pressure measuring tie-in, between the inwall of the pyrocondensation sealing unit and the side wall of the rock core sealed set have with
The relative pressure measurement piece of the open-work, one end of the sidepiece pressure measuring tie-in are resisted against on the pressure measurement piece.
In a better embodiment of the present utility model, via is provided with two stop plugs, described first
One end of end face pressure measuring tie-in and the second end face pressure measuring tie-in is resisted against by the via on the end face of the rock core；Institute
The porch for stating via is provided with to seal and wears the close of the first end face pressure measuring tie-in and the second end face pressure measuring tie-in
Seal unit.
In a better embodiment of the present utility model, the sidepiece pressure measuring tie-in includes being resisted against the side of the rock core
Pressure measuring tie-in and sealing are arranged in sidepiece exterior measuring crimp head in the pressure nacelle in sidepiece on wall, pressure measurement in the sidepiece
Joint is connected with the sidepiece exterior measuring crimp head by pressure measurement pipeline, the sidepiece exterior measuring crimp head by pressure measurement pipeline with it is described
Pressure measurement instrument connects；The first end face pressure measuring tie-in includes being resisted against pressure measurement in the first end face on the end face of the rock core
Joint and sealing are arranged in first pressure joint in the pressure nacelle, pressure measuring tie-in and described first in the first end face
Compression fittings are connected by pipeline, and the first pressure joint is connected by pipeline with the first pressure source；Second end
Pressure measuring tie-in and sealing are arranged in described in the second end face that face pressure measuring tie-in includes being resisted against on the other end of the rock core
Second pressure joint in pressure nacelle, pressure measuring tie-in and the second pressure joint are connected by pipeline in the second end face
Logical, the second pressure joint is connected by pipeline with the second pressure source.
In a better embodiment of the present utility model, the pressure nacelle includes cabin body, and the two of the cabin body
End is sealedly connected with end cover, and the liquid hand-hole that can be sealed is provided with the cabin body.
From the above mentioned, the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation provided by the utility model has following beneficial
Effect：
(1) pyrocondensation sealing unit is used in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model to rock
The heart and its stop plug at both ends are sealed, and effectively improve sealing effectiveness, and the resistance to pressure of pyrocondensation sealing unit, resistance to height
Warm, resistance to highly basic and corrosion resistance are good, are hardly damaged, service life length；
(2) the core clamping device energy used in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model
It is enough to compress rock core vertically, the axial compressive force of rock core is formed, can more accurately simulate rock core stressing conditions in oil reservoir, is tested
As a result it is more accurate；
(3) in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model, it is used on core clamping device
The compressor arm of axial compression rock core can be axially moveable so that core clamping device can clamp the rock core of plurality of specifications, have
Preferable versatility；
(4) in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model, pressure measurement piece uses silica gel material
It is made, pressure measurement piece elasticity is good made of silica gel material, it can be ensured that the accuracy of pressure measuring tie-in structure measurement, and can be in heat
When contracting and add ring pressure, fit in the side wall of rock core and the inwall of pyrocondensation sealing unit, rock core is entered well effectively
Row sealing；
(5) the sealed multi-measuring point oil-gas mining simulating plant operations of pyrocondensation of the present utility model are simple, being capable of accurate simulation
Rock core stressing conditions, experimental result are more accurate.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1：For the schematic diagram of the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model.
Fig. 2：For the side view of the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model.
Fig. 3：For the schematical top view of core clamping device of the present utility model.
Fig. 4：For the bottom schematic view of core clamping device of the present utility model.
In figure：
100th, the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation；
1st, pressure nacelle；10th, cabin body；11st, end cover；
2nd, pyrocondensation sealing unit；21st, pressure measurement piece；
3rd, core clamping device；
30th, housing；
301st, bottom plate；3011st, bottom plate through groove；302nd, the first side wall；303rd, second sidewall；
31st, leg structure；
32nd, compressor arm；
33rd, pressure measuring tie-in fix bar；331st, joint via；
4th, pressure measuring tie-in structure；
41st, sidepiece pressure measuring tie-in；
411st, pressure measuring tie-in in sidepiece；412nd, sidepiece exterior measuring crimp head；
42nd, first end face pressure measuring tie-in；
421st, pressure measuring tie-in in first end face；422nd, first pressure joint；
43rd, second end face pressure measuring tie-in；
431st, pressure measuring tie-in in second end face；432nd, second pressure joint；
8th, stop plug；
81st, via；
9th, rock core.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
Specific embodiment of the present utility model.
As shown in Figures 1 to 4, the utility model provides a kind of sealed multi-measuring point oil-gas mining analogue means 100 of pyrocondensation,
Including the pressure nacelle 1 that can be sealed, being provided with pressure nacelle 1 can the sealed bundle overlying strata heart 9 and the both ends of rock core 9 stopping against setting
The pyrocondensation sealing unit 2 of dynamic plug 8, the shape specification of stop plug 8 and rock core 9 match, can be according to actual use situation
It is determined；Pyrocondensation sealing unit 2 is made up of material contracting with heat, material contracting with heat for heating when the material that can reduce of volume, can be with
It is polyethylene or polyene hydrogen, its pyrocondensation ratio is 2:1, and there is good resistance to pressure, high temperature resistant, resistance to highly basic and corrosion resistance；
The inside of pressure nacelle 1 is additionally provided with core clamping device 3, and core clamping device 3 can vertically be fixed and be sealed by pyrocondensation
The rock core 9 and stop plug 8 of the sealing cladding of unit 2；The sealed multi-measuring point oil-gas mining analogue means 100 of pyrocondensation also includes one end
It is resisted against on the rock core and other end sealing wears the pressure measuring tie-in structure 4 by pressure nacelle 1.Heat of the present utility model
Contract in sealed multi-measuring point oil-gas mining analogue means 100 using pyrocondensation sealing unit to rock core 9 and its stop plug 8 at both ends
Sealed, effectively improve sealing effectiveness, and the resistance to pressure of pyrocondensation sealing unit, high temperature resistant, resistance to highly basic and corrosion resistance
It is good, it is hardly damaged, service life length；Used in the sealed multi-measuring point oil-gas mining analogue means 100 of pyrocondensation of the present utility model
Core clamping device can compress rock core 9 vertically, form the axial compressive force of rock core 9, can more accurately simulate oil reservoir
Middle rock core stressing conditions, experimental result are more accurate.
Further, as shown in Fig. 1, Fig. 3, Fig. 4, the stop that one end of core clamping device 3 can be resisted against the one end of rock core 9 is blocked up
On first 8, the other end of core clamping device 3 is provided with the compression that can be resisted against vertically on the stop plug 8 of the other end of rock core 9
Bar 32.In the present embodiment, core clamping device 3 includes open-topped housing 30, and the bottom of housing 30 is vertically provided with
Leg structure 31, be provided with the bottom plate 301 of housing 30 insertion and can against support rock core 9 and stop plug 8 bottom plate it is saturating
Groove 3011, the first side wall 302 of housing 30 can be resisted against on the stop plug 8 of the one end of rock core 9, and housing 30 includes and the first side wall
302 second sidewalls 303 being oppositely arranged, mobile compressor arm 32 are equipped with second sidewall 303, compressor arm 32 can be vertically
It is resisted against on the stop plug 8 of the other end of rock core 9.The first side wall 302 and compressor arm 32 of housing 30 respectively can contacts vertically
In on the stop plug 8 at rock core both ends, the axial restraint of rock core 9 is realized.In the present embodiment, compressor arm 32 is screw rod,
Screw flight hole can be threadedly coupled by being provided with second sidewall.Compressor arm 32 can be axially moveable so that core clamping device 3
The rock core 9 of plurality of specifications can be clamped, there is preferable versatility.
Further, as Figure 1 and Figure 4, the top of housing 30 is provided with pressure measuring tie-in fix bar 33, and pressure measuring tie-in is fixed
Multiple joint vias 331 for being used to wear fixed pressure measuring tie-in structure 4 are arranged at intervals with bar 33.
Further, as shown in figure 1, pressure measuring tie-in structure 4 is resisted against rock core 9 including multiple spaced and one end
Sidepiece pressure measuring tie-in 41 in side wall, pressure measuring tie-in structure 4 also includes first end face pressure measuring tie-in 42 and second end face pressure measurement connects
First 43, one end of first end face pressure measuring tie-in 42 and second end face pressure measuring tie-in 43 is resisted against on two end faces of rock core 9 respectively,
The other end of multiple sidepiece pressure measuring tie-ins 41 with pressure measurement instrument (prior art, figure not shown in) connection, first end face pressure measurement
The other end of joint 42 and first pressure source (prior art, figure not shown in) connection, second end face pressure measuring tie-in 43 it is another
End and second pressure source (prior art, figure not shown in) connection.
Further, as shown in Figure 1 and Figure 2, it is provided with the side wall of pyrocondensation sealing unit 2 for wearing sidepiece pressure measuring tie-in
41 open-work, sealed set has the pressure measurement piece 21 relative with open-work between the inwall and the side wall of rock core 9 of pyrocondensation sealing unit 2,
Pressure measurement piece 21 can seal the rock core 9 of opening position corresponding with open-work, and one end of sidepiece pressure measuring tie-in 41 is resisted against on pressure measurement piece 21,
One end of sidepiece pressure measuring tie-in 41 senses the pressure in the side wall of rock core 9 by pressure measurement piece 21.Sidepiece pressure measuring tie-in 41 passes through open-work
It is resisted against on the pressure measurement piece 21 in the side wall of rock core 9, can ensures to realize the pressure of the side-walls of rock core 9 while rock core 9 seals
Power measures.In a specific embodiment of the present utility model, pressure measurement piece 21 is made of silica gel material, is surveyed made of silica gel material
The elasticity of tabletting 21 is good, it can be ensured that the accuracy that pressure measuring tie-in structure 4 measures, and can pyrocondensation and plus when ring pressure,
Fit in well in the side wall of rock core 9 and the inwall of pyrocondensation sealing unit 2, effectively to the rock core of opening position corresponding to open-work
9 are sealed.
Further, first end face pressure measuring tie-in 42 and are worn respectively as shown in figure 1, being provided with two stop plugs 8
One end of the via of biend pressure measuring tie-in 43, first end face pressure measuring tie-in 42 and second end face pressure measuring tie-in 43 passes through via 81
It is resisted against on the end face of rock core 9, and then realizes the pressure measxurement of the end of rock core 9.To ensure that rock core 9 seals, via 81 enters
The sealing unit for wearing first end face pressure measuring tie-in 42 and second end face pressure measuring tie-in 43 can be sealed by being provided with mouthful, in this practicality
In a new specific embodiment, sealing unit uses the laminated structure that silica gel material is formed.
As shown in Figure 1 and Figure 2, in the present embodiment, sidepiece pressure measuring tie-in 41, first end face pressure measuring tie-in 42 and second
End face pressure measuring tie-in 43 uses the structure of subsection setup, and sidepiece pressure measuring tie-in 41 includes the side being resisted against in the side wall of rock core 9
Pressure measuring tie-in 411 and sealing are arranged in sidepiece exterior measuring crimp head 412 in pressure nacelle 1 in portion, the He of pressure measuring tie-in 411 in sidepiece
Sidepiece exterior measuring crimp head 412 is connected by pressure measurement pipeline, and sidepiece exterior measuring crimp head 412 is connected by pressure measurement pipeline and pressure measurement instrument
Connect；Pressure measuring tie-in 421 and sealing are worn in the first end face that first end face pressure measuring tie-in 42 includes being resisted against on the end face of rock core 9
First pressure joint 422 in pressure nacelle 1, pressure measuring tie-in 421 and first pressure joint 422 pass through pipe in first end face
Line is connected, and first pressure joint 422 is connected by pipeline with first pressure source；Second end face pressure measuring tie-in 43 includes being resisted against rock
Pressure measuring tie-in 431 and sealing are arranged in the second pressure joint in pressure nacelle 1 in second end face on the other end of the heart 9
432, pressure measuring tie-in 431 is connected with second pressure joint 432 by pipeline in second end face, and second pressure joint 432 passes through pipe
Line connects with second pressure source.Pressure measuring tie-in 411 fixes the joint via 331 being arranged in pressure measuring tie-in fix bar 33 in sidepiece
In, pressure measuring tie-in 421 in first end face, pressure measuring tie-in 431 is arranged in the via on two stop plugs 8 respectively in second end face
In.When carrying out rock core multipoint pressure measurement experiment, first pressure source is connect by pressure measurement in first pressure joint 422, first end face
First 421 are filled with high-potting gas into rock core 9, the end face and second of the rock core 9 of the contact of pressure measuring tie-in 421 in first end face
Pressure differential is formed between the end face of the rock core 9 of the contact of pressure measuring tie-in 431 in end face, standard is done for the change of follow-up monitoring pressure in real time
It is standby.
Further, as shown in Figure 1 and Figure 2, pressure nacelle 1 includes cabin body 10, and the both ends of cabin body 10 are sealedly connected with close
Lid 11 is blocked, in the present embodiment, end cover 11 is bolted the both ends for being sealedly attached to cabin body 10.Cabin body
The liquid hand-hole that can be sealed is provided with 10.A specific embodiment of the present utility model carries out rock core multipoint pressure measurement experiment
When, water is pumped into cabin body 10 by liquid hand-hole by pump, water forms ring pressure to rock core 9, and ring pressure size can basis
Requirement of experiment is adjusted.
Rock core multipoint pressure survey is carried out using the sealed multi-measuring point oil-gas mining analogue means 100 of pyrocondensation of the present utility model
During amount experiment, two stop plugs 8 matched with rock core 9 to be measured are selected first, by pressure measuring tie-in in first end face 421, the
Pressure measuring tie-in 431 is arranged in the via on two stop plugs 8 respectively in biend, and two stop plugs 8 are distinguished into contact
In the both ends of the surface of rock core 9, and pressure measurement piece 21 is set in the side wall of rock core 9, pyrocondensation sealing unit 2 is sealed by mode of heating
It is coated on rock core 9 and two stop plugs 8；The rock core 9 of cladding is sealed by pyrocondensation sealing unit 2 and two stop plugs 8 are put
It is placed in core clamping device 3, and rock core 9 and two stop plugs 8, compressor arm 32 is fixed by compressor arm 32 vertically
Axial force according to the axial compressive force of requirement of experiment determine；Core clamping device 3 is positioned in cabin body 10, by each side
Pressure measuring tie-in 411 is connected with each sidepiece exterior measuring crimp head 412 by pressure measurement pipeline in portion, and each sidepiece exterior measuring crimp head 412 passes through
Pressure measurement pipeline is connected with pressure measurement instrument, and pressure measuring tie-in in first end face 421 is connected with first pressure joint 422 by pipeline,
First pressure joint 422 is connected by pipeline with first pressure source, by pressure measuring tie-in in second end face 431 and second pressure joint
432 are connected by pipeline, and second pressure joint 432 is connected by pipeline with second pressure source；The connection of pressure measuring tie-in structure 4 is completed
Afterwards, it is tightly connected end cover 11 at the both ends of cabin body 10.
After pressure nacelle 1 seals, water is pumped into cabin body 10 by liquid hand-hole by pump, water is pushed up by housing 30
Portion's opening and bottom plate through groove 3011 form ring pressure to rock core 9, and after ring pressure reaches requirement of experiment and stabilization, first pressure source passes through
Pressure measuring tie-in 421 is filled with High-Voltage Experimentation gas into rock core 9 (its pressure range is one in first pressure joint 422, first end face
Air is depressed into 70MPa), the end face (being set as head end) of the rock core 9 of the contact of pressure measuring tie-in 421 and second end face in first end face
Pressure differential is formed between the end face (being set as tail end) of the rock core 9 of the interior contact of pressure measuring tie-in 431, starts to monitor in real time in each sidepiece
Pressure changing at the rock core 9 of the contact of pressure measuring tie-in 411, draw the rule that pressure changes over time.Change first pressure
The pressure for the High-Voltage Experimentation gas that source is filled with, forms new pressure differential between head end and tail end, continue monitoring in new pressure differential
Under, the pressure changing in each sidepiece at the rock core 9 of the contact of pressure measuring tie-in 411, draw the rule that new pressure changes over time
Rule.
From the above mentioned, the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation provided by the utility model has following beneficial
Effect：
(1) pyrocondensation sealing unit is used in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model to rock
The heart and its stop plug at both ends are sealed, and effectively improve sealing effectiveness, and the resistance to pressure of pyrocondensation sealing unit, resistance to height
Warm, resistance to highly basic and corrosion resistance are good, are hardly damaged, service life length；
(2) the core clamping device energy used in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model
It is enough to compress rock core vertically, the axial compressive force of rock core is formed, can more accurately simulate rock core stressing conditions in oil reservoir, is tested
As a result it is more accurate；
(3) in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model, it is used on core clamping device
The compressor arm of axial compression rock core can be axially moveable so that core clamping device can clamp the rock core of plurality of specifications, have
Preferable versatility；
(4) in the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation of the present utility model, pressure measurement piece uses silica gel material
It is made, pressure measurement piece elasticity is good made of silica gel material, it can be ensured that the accuracy of pressure measuring tie-in structure measurement, and can be in heat
When contracting and add ring pressure, fit in the side wall of rock core and the inwall of pyrocondensation sealing unit, rock core is entered well effectively
Row sealing；
(5) the sealed multi-measuring point oil-gas mining simulating plant operations of pyrocondensation of the present utility model are simple, being capable of accurate simulation
Rock core stressing conditions, experimental result are more accurate.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Any those skilled in the art, the made equivalent change on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (10)
1. a kind of sealed multi-measuring point oil-gas mining analogue means of pyrocondensation, including the pressure nacelle that can be sealed, it is characterised in that institute
State pressure nacelle be internally provided with can the sealed bundle overlying strata heart and the rock core both ends against the stop plug of setting pyrocondensation it is close
Seal unit；The inside of the pressure nacelle is additionally provided with core clamping device, and the core clamping device can compress solid vertically
It is fixed that the rock core of cladding and the stop plug are sealed by pyrocondensation sealing unit；The sealed multi-measuring point oil-gas mining of pyrocondensation
Analogue means is also resisted against including one end on the rock core and other end sealing wears the pressure measuring tie-in by the pressure nacelle
Structure.
2. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 1, it is characterised in that the rock core folder
Holding one end of device can be resisted against on the stop plug of described rock core one end, and the other end of the core clamping device is provided with energy
The compressor arm being resisted against vertically on the stop plug of the rock core other end.
3. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 2, it is characterised in that the rock core folder
Holding device includes open-topped housing, and the bottom of the housing is vertically provided with leg structure, set on the bottom plate of the housing
Be equipped with insertion and can be against the bottom plate through groove for supporting the rock core and the stop plug, the first side wall energy of the housing
It is resisted against on the stop plug of described rock core one end, the housing includes the second sidewall being oppositely arranged with the first side wall,
The compressor arm is equipped with the second sidewall.
4. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 3, it is characterised in that the housing
Top is provided with pressure measuring tie-in fix bar, is arranged at intervals with the pressure measuring tie-in fix bar multiple for wearing the fixed survey
Crimp the joint via of header structure.
5. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 3, it is characterised in that the compressor arm
For screw rod, the screw flight hole can be threadedly coupled by being provided with the second sidewall.
6. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 1, it is characterised in that the pressure measurement connects
Header structure includes the sidepiece pressure measuring tie-in that multiple spaced and one end is resisted against in the side wall of the rock core, the pressure measurement
Joint design also includes first end face pressure measuring tie-in and second end face pressure measuring tie-in, the first end face pressure measuring tie-in, described
One end of biend pressure measuring tie-in is resisted against on two end faces of the rock core respectively, multiple sidepiece pressure measuring tie-ins it is another
End is connected with the pressure measurement instrument, and the other end of the first end face pressure measuring tie-in connects with first pressure source, and described second
The other end of end face pressure measuring tie-in connects with second pressure source.
7. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 6, it is characterised in that the pyrocondensation is close
The open-work being provided with for wearing the sidepiece pressure measuring tie-in, the inwall of the pyrocondensation sealing unit and institute are sealed in the side wall of unit
Sealed set has the pressure measurement piece relative with the open-work between stating the side wall of rock core, and one end of the sidepiece pressure measuring tie-in is resisted against
On the pressure measurement piece.
8. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 6, it is characterised in that described in two only
Move and via is provided with plug, one end of the first end face pressure measuring tie-in and the second end face pressure measuring tie-in passes through the mistake
Hole is resisted against on the end face of the rock core；The porch of the via, which is provided with to seal, wears the first end face pressure measuring tie-in
With the sealing unit of the second end face pressure measuring tie-in.
9. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 6, it is characterised in that the sidepiece is surveyed
Pressure measuring tie-in and sealing are arranged in the pressure nacelle in the sidepiece that crimp head includes being resisted against in the side wall of the rock core
Sidepiece exterior measuring crimp head, pressure measuring tie-in is connected with the sidepiece exterior measuring crimp head by pressure measurement pipeline in the sidepiece, the side
Portion's exterior measuring crimp head is connected by pressure measurement pipeline with the pressure measurement instrument；The first end face pressure measuring tie-in is described including being resisted against
Pressure measuring tie-in and sealing are arranged in the first pressure joint in the pressure nacelle, institute in first end face on the end face of rock core
Pressure measuring tie-in in first end face is stated to connect by pipeline with the first pressure joint, the first pressure joint by pipeline with
The first pressure source connection；The second end face pressure measuring tie-in includes the second end being resisted against on the other end of the rock core
Pressure measuring tie-in and sealing are arranged in second pressure joint in the pressure nacelle in face, in the second end face pressure measuring tie-in and
The second pressure joint is connected by pipeline, and the second pressure joint is connected by pipeline with the second pressure source.
10. the sealed multi-measuring point oil-gas mining analogue means of pyrocondensation as claimed in claim 1, it is characterised in that the pressure
Nacelle includes cabin body, and the both ends of the cabin body are sealedly connected with end cover, are provided with what can be sealed on the cabin body
Liquid hand-hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720472331.4U CN206671142U (en) | 2017-04-28 | 2017-04-28 | The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720472331.4U CN206671142U (en) | 2017-04-28 | 2017-04-28 | The sealed multi-measuring point oil-gas mining analogue means of pyrocondensation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669054A (en) * | 2020-12-15 | 2021-11-19 | 中国石油大学(北京) | Reservoir simulation system |
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2017
- 2017-04-28 CN CN201720472331.4U patent/CN206671142U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669054A (en) * | 2020-12-15 | 2021-11-19 | 中国石油大学(北京) | Reservoir simulation system |
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