CN116047025B - High-temperature high-pressure core self-priming experimental device - Google Patents
High-temperature high-pressure core self-priming experimental device Download PDFInfo
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- CN116047025B CN116047025B CN202211690655.7A CN202211690655A CN116047025B CN 116047025 B CN116047025 B CN 116047025B CN 202211690655 A CN202211690655 A CN 202211690655A CN 116047025 B CN116047025 B CN 116047025B
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- 239000011435 rock Substances 0.000 claims abstract description 63
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000004321 preservation Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 14
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 206010066054 Dysmorphism Diseases 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a high-temperature high-pressure core self-priming experimental device, which relates to the technical field of rock performance test and comprises an experimental operation table, wherein a constant-temperature casing is arranged on the upper surface of the experimental operation table, a fixing support is fixedly connected to the side of the upper surface of the experimental operation table, a core holder is fixedly connected to the inner surface of the fixing support, a protection device is fixedly connected to the outer surface of the core holder, a connecting through hole is formed in the outer surface of the protection device, a semi-sealing container is fixedly connected to the bottom of an inner cavity of the constant-temperature casing, a first air duct and a second air duct are fixedly connected to the inner part of the core holder, a gas flowmeter is fixedly connected to the output end of the first air duct, and a pressure stabilizing pump is fixedly connected to the output end of the second air duct.
Description
Technical Field
The invention relates to the technical field of rock performance test, in particular to a self-priming experimental device for a high-temperature high-pressure core.
Background
The capillary self-priming action is an important mechanism of water flooding gas reservoir and fractured gas reservoir exploitation, mass energy transfer between a fractured gas reservoir base block and a fracture is carried out through the capillary self-priming action, the mass energy transfer rate between the two determines the oil gas yield of the gas reservoir, the rock capillary self-priming rate is mainly influenced by initial water saturation, wettability, interfacial tension, fracture parameters, physical properties and pore structures, and therefore, inversion of the porous medium property through the capillary self-priming action also becomes an important direction of the basic property of a future hypotonic porous medium. When the existing core self-priming experimental device clamps the core, the situation that the core is dropped due to the fact that the core cannot be clamped possibly occurs, damage to experimental equipment is caused, the experiment is affected, and the practicality is poor. Therefore, a high-temperature high-pressure core self-priming experimental device with strong design practicability is necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high temperature high pressure rock core is from inhaling experimental apparatus, includes the experiment operation panel, the upper surface of experiment operation panel is provided with the constant temperature cover shell, the avris department fixedly connected with fixed bolster of experiment operation panel upper surface, the surface of fixed bolster runs through the constant temperature cover shell and extends to the inner chamber, the internal surface fixedly connected with rock core holder of fixed bolster, the surface fixedly connected with protection device of rock core holder, connecting through-hole has been seted up to protection device's surface, the bottom fixedly connected with semi-seal container of constant temperature cover shell inner chamber, protection device's surface runs through semi-seal container and extends to the inner chamber.
According to the technical scheme, the inside fixedly connected with first air duct and second air duct of rock core holder, the surface of first air duct and second air duct runs through the constant temperature cover shell and extends to the outside, the output fixedly connected with gas flowmeter of first air duct, the output fixedly connected with steady voltage pump of second air duct, through rock core holder centre gripping good rock core, utilize the rock core holder to make the rock core can be more firm by the centre gripping under the environment of high temperature high pressure, utilize steady voltage pump to apply the confining pressure to the rock core, detect and record the inside gas variation of experimental apparatus through gas flowmeter in the experimentation.
According to the technical scheme, protection device includes heat preservation casing, the spread groove has been seted up to heat preservation casing's internal surface, the inside of spread groove evenly overlaps and is equipped with the dysmorphism connecting block, the inside sliding connection of dysmorphism connecting block has the cover to establish the lead screw, the cover is established the lead screw and is set up the interval department at the dysmorphism connecting block, be provided with stabilizing mean between the opposite face of dysmorphism connecting block, the laminating of dysmorphism connecting block is at the surface of rock core holder, and the slip of lead screw is established to the cooperation cover for can be more effective fixed and the protection by dysmorphism connecting block when the rock core holder receives the high pressure, the temperature of rock core can be kept to the heat preservation casing simultaneously, avoids rock core surface temperature difference great to lead to influencing experimental result.
According to the technical scheme, the stabilizing mechanism comprises a hoof-shaped block, a bending connecting plate is fixedly connected between opposite surfaces of the inner surface of the hoof-shaped block, a stabilizing shaft is fixedly connected to a groove of the outer surface of the bending connecting plate, and a bending elastic rod is rotatably connected to the outer surface of the stabilizing shaft.
According to the technical scheme, establish the through-hole in having seted up at the top of hoof shape piece, the surface of crooked elastic rod runs through and establishes the through-hole in, fixedly connected with extension spring between the opposite face of crooked elastic rod, when receiving external environment's influence to rock, crooked elastic rod atress swing makes its surface constantly laminate the dysmorphism connecting block, better maintenance insulation casing's under the elastic cooperation of extension spring stability, prevents that experimental result from receiving the influence.
According to the technical scheme, the core holder comprises a holder sleeve, a central connecting shaft is fixedly connected to the inside of the holder sleeve, a stable disc is fixedly connected to the outer surface of the central connecting shaft, a rotating rod is rotatably connected to a groove on the outer surface of the stable disc, and a movable side plate is fixedly connected to the output end of the rotating rod.
According to the technical scheme, the surface cover of center even axle is equipped with the spliced pole, the bottom fixedly connected with extrusion piece of spliced pole, the inside cover of extrusion piece is equipped with fastening mechanism, fastening mechanism sets up under the removal curb plate, when the extrusion piece is fixed the rock core through the extrusion, makes the dwang rotate and drive and removes the curb plate and reciprocate constantly, promotes the extrusion piece and holds the rock core more firmly downwards, is favorable to improving the accuracy of experimental result.
According to the technical scheme, the fastening mechanism comprises the lower moving block, the top fixedly connected with connecting rod of the lower moving block, the top fixedly connected with arc bent plate of connecting rod, the outer surface fixedly connected with of arc bent plate is gone up and is established the moving block, when last moving block of establishing receives the striking, the deformation takes place to push down to establish the moving block down for establish the moving block down and apply relative force again for the rock core, make the centre gripping effect of rock core better, also can make the rock core avoid receiving external factor's influence and centre gripping unstable in the experimentation.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the rock core is well clamped by the rock core holder through the cooperation between the rock core holder and the pressure stabilizing pump, the rock core can be more firmly clamped under the high-temperature and high-pressure environment by using the rock core holder, confining pressure is applied to the rock core by using the pressure stabilizing pump, and the gas change in the experimental device is detected and recorded by the gas flowmeter in the experimental process.
2. Through the cooperation between lead screw and the heat preservation casing is established to dysmorphism connecting block, rock core holder, cover, the laminating of dysmorphism connecting block is at the surface of rock core holder, and the slip of lead screw is established to the cooperation cover for can be more effectual fixed and the protection by dysmorphism connecting block when the rock core holder receives the high pressure, the temperature of rock core can be kept to the heat preservation casing simultaneously, avoids rock core surface temperature difference great to lead to influencing experimental result.
3. Through the cooperation between crooked elastic rod, dysmorphism connecting block and the extension spring, when receiving external environment's influence to rock, crooked elastic rod atress swing makes its surface constantly laminate dysmorphism connecting block, better maintenance heat preservation casing's stability under the elastic cooperation of extension spring, prevents that experimental result from receiving the influence.
4. Through the cooperation between extrusion piece, dwang and the removal curb plate, when the extrusion piece is fixed the rock core through the extrusion, make the dwang rotate and drive the removal curb plate and constantly reciprocate, promote the extrusion piece and downwards more firmly grip the rock core, be favorable to improving the accuracy of experimental result.
5. Through last movable block, arc bent plate and establish the cooperation between the movable block down, when last movable block received the striking of establishing, the movable block was established down to the arc bent plate take place the deformation downwardly pushing for establish the movable block down and apply relative force for the rock core again, make the centre gripping effect of rock core better, also can make the rock core avoid receiving the influence of external factor and the centre gripping unstable in the experimentation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall principle of the present invention;
FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the protection device of the present invention;
FIG. 4 is a schematic view of the internal structure of the protection device of the present invention;
FIG. 5 is a schematic view of the stabilizing mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of a core holder of the present invention;
FIG. 7 is a schematic view of the internal structure of the core holder of the present invention;
fig. 8 is a schematic view of the structure of the fastening mechanism of the present invention.
In the figure: 1. an experiment operation table; 2. a constant temperature jacket; 3. a fixed bracket; 4. a first air duct; 5. a gas flow meter; 6. a second air duct; 7. a pressure stabilizing pump; 8. a core holder; 81. a holder casing; 82. a central connecting shaft; 83. moving the side plates; 84. a connecting column; 85. stabilizing the disc; 86. a rotating lever; 87. a fastening mechanism; 871. a moving block is arranged on the upper part; 872. a moving block is arranged below the lower part; 873. a connecting rod; 874. an arc-shaped bending plate; 88. extruding a block; 9. a protection device; 91. a heat-insulating housing; 92. a special-shaped connecting block; 93. a connecting groove; 94. sleeving a screw rod; 95. a stabilizing mechanism; 951. a hoof-shaped block; 952. bending the connecting plate; 953. bending the elastic rod; 954. a telescopic spring; 955. a through hole is arranged in the inner part; 956. a stabilizing shaft; 10. a semi-sealed container; 11. and connecting the through holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a high temperature high pressure rock core is from inhaling experimental apparatus, includes experiment operation panel 1, the upper surface of experiment operation panel 1 is provided with constant temperature cover shell 2, the avris department fixedly connected with fixed bolster 3 of experiment operation panel 1 upper surface, the surface of fixed bolster 3 runs through constant temperature cover shell 2 and extends to the inner chamber, the internal surface fixedly connected with rock core holder 8 of fixed bolster 3, the surface fixedly connected with protection device 9 of rock core holder 8, connecting through-hole 11 has been seted up to the surface of protection device 9, the bottom fixedly connected with semi-sealed container 10 of constant temperature cover shell 2 inner chamber, the surface of protection device 9 runs through semi-sealed container 10 and extends to the inner chamber.
The inside fixedly connected with first air duct 4 and second air duct 6 of rock core holder 8, the surface of first air duct 4 and second air duct 6 runs through constant temperature cover shell 2 and extends to the outside, the output fixedly connected with gas flowmeter 5 of first air duct 4, the output fixedly connected with steady voltage pump 7 of second air duct 6.
Through the cooperation between rock core holder 8 and the steady voltage pump 7, through the rock core holder 8 centre gripping good rock core, utilize rock core holder 8 to make the rock core can more firm by the centre gripping under the environment of high temperature high pressure, utilize steady voltage pump 7 to apply the confining pressure to the rock core, detect and record through gas flowmeter 5 to the inside gas variation of experimental apparatus in the experimentation.
Referring to fig. 3-5, the present invention provides the following technical solutions: the protection device 9 comprises a heat preservation shell 91, a connecting groove 93 is formed in the inner surface of the heat preservation shell 91, a special-shaped connecting block 92 is uniformly sleeved in the connecting groove 93, a screw rod 94 is sleeved in the special-shaped connecting block 92 in a sliding mode, the screw rod 94 is sleeved at the interval of the special-shaped connecting block 92, and a stabilizing mechanism 95 is arranged between the opposite faces of the special-shaped connecting block 92.
The stabilizing mechanism 95 comprises a hoof-shaped block 951, a bending connecting plate 952 is fixedly connected between opposite surfaces of the inner surface of the hoof-shaped block 951, a stabilizing shaft 956 is fixedly connected at a groove of the outer surface of the bending connecting plate 952, and a bending elastic rod 953 is rotatably connected on the outer surface of the stabilizing shaft 956.
The top of the shoe 951 is provided with an inner through hole 955, the outer surface of the curved elastic rod 953 is penetrated through the inner through hole 955, and a telescopic spring 954 is fixedly connected between opposite surfaces of the curved elastic rod 953.
Through the cooperation between lead screw 94 and the heat preservation casing 91 are established to dysmorphism connecting block 92, rock core holder 8, cover, dysmorphism connecting block 92 laminating is at the surface of rock core holder 8, and the slip of lead screw 94 is established to the cooperation cover for rock core holder 8 can be more effectual fixed and the protection by dysmorphism connecting block 92 when receiving high pressure, and the temperature of rock core can be kept to heat preservation casing 91 simultaneously, avoids rock core surface temperature difference great to lead to influencing experimental result.
Through the cooperation between crooked elastic rod 953, dysmorphism connecting block 92 and the telescopic spring 954, when receiving external environment's influence to rock, crooked elastic rod 953 atress swing makes its surface constantly laminate dysmorphism connecting block 92, better maintenance heat preservation casing 91's stability under telescopic spring 954 elastic cooperation, prevents that the experimental result from receiving the influence.
Referring to fig. 6-8, the present invention provides the following technical solutions: the core holder 8 comprises a holder sleeve 81, a central connecting shaft 82 is fixedly connected to the inside of the holder sleeve 81, a stable disc 85 is fixedly connected to the outer surface of the central connecting shaft 82, a rotating rod 86 is rotatably connected to a groove on the outer surface of the stable disc 85, and a movable side plate 83 is fixedly connected to the output end of the rotating rod 86.
The outer surface cover of center connecting axle 82 is equipped with spliced pole 84, the bottom fixedly connected with extrusion piece 88 of spliced pole 84, the inside cover of extrusion piece 88 is equipped with fastening mechanism 87, fastening mechanism 87 sets up under moving side plate 83.
The fastening mechanism 87 comprises a lower moving block 872, the top of the lower moving block 872 is fixedly connected with a connecting rod 873, the top end of the connecting rod 873 is fixedly connected with an arc-shaped bending plate 874, and the outer surface of the arc-shaped bending plate 874 is fixedly connected with an upper moving block 871.
Through the cooperation between extrusion piece 88, dwang 86 and the movable side plate 83, when extrusion piece 88 fixes the rock core through the extrusion, make dwang 86 rotate and drive the movable side plate 83 and reciprocate constantly, promote extrusion piece 88 to hold the rock core more firmly downwards, be favorable to improving the accuracy of experimental result.
Through the cooperation between the movable block 871 is established to last movable block 871, arc bent plate 874 and the movable block 872 of establishing down, when last movable block 971 receives the striking of establishing, arc bent plate 974 takes place deformation and promotes down and establish movable block 872 for establish movable block 872 down and apply relative force for the rock core again, make the centre gripping effect of rock core better, also can make the rock core avoid receiving external factor's influence and the centre gripping unstable in the experimentation.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a high temperature high pressure rock core is from inhaling experimental apparatus, includes experimental operation platform (1), its characterized in that: the experimental operation table is characterized in that the upper surface of the experimental operation table (1) is provided with a constant-temperature casing (2), a fixing support (3) is fixedly connected to the side of the upper surface of the experimental operation table (1), the outer surface of the fixing support (3) penetrates through the constant-temperature casing (2) and extends to the inner cavity, the inner surface of the fixing support (3) is fixedly connected with a core holder (8), the outer surface of the core holder (8) is fixedly connected with a protection device (9), the outer surface of the protection device (9) is provided with a connecting through hole (11), the bottom of the inner cavity of the constant-temperature casing (2) is fixedly connected with a semi-sealed container (10), and the outer surface of the protection device (9) penetrates through the semi-sealed container (10) and extends to the inner cavity;
the core holder (8) is fixedly connected with a first air duct (4) and a second air duct (6), the outer surfaces of the first air duct (4) and the second air duct (6) penetrate through the constant-temperature jacket (2) and extend to the outer side, the output end of the first air duct (4) is fixedly connected with a gas flowmeter (5), and the output end of the second air duct (6) is fixedly connected with a steady-pressure pump (7);
the protection device (9) comprises a heat preservation shell (91), a connecting groove (93) is formed in the inner surface of the heat preservation shell (91), a special-shaped connecting block (92) is uniformly sleeved in the connecting groove (93), a screw rod (94) is sleeved in the special-shaped connecting block (92) in a sliding mode, the screw rod (94) is sleeved at the interval of the special-shaped connecting block (92), a stabilizing mechanism (95) is arranged between opposite surfaces of the special-shaped connecting block (92), the special-shaped connecting block (92) is attached to the outer surface of the core holder (8), the connecting groove (93) is formed in the circumferential direction of the inner surface of the heat preservation shell (91), and a plurality of connecting grooves (93) are formed in the axial direction of the heat preservation shell (91).
The stabilizing mechanism (95) comprises a hoof-shaped block (951), a bending connecting plate (952) is fixedly connected between opposite surfaces of the inner surface of the hoof-shaped block (951), a stabilizing shaft (956) is fixedly connected at a groove of the outer surface of the bending connecting plate (952), and a bending elastic rod (953) is rotatably connected to the outer surface of the stabilizing shaft (956);
the top of hoof-shaped block (951) has been seted up and has been established through-hole (955) in, the surface of crooked elastic rod (953) runs through and establishes through-hole (955) in, fixedly connected with telescopic spring (954) between the opposite face of crooked elastic rod (953).
2. The high temperature and high pressure core self-priming experimental device according to claim 1, wherein: the core holder (8) comprises a holder sleeve (81), a central connecting shaft (82) is fixedly connected to the inside of the holder sleeve (81), a stable disc (85) is fixedly connected to the outer surface of the central connecting shaft (82), a rotating rod (86) is rotatably connected to a groove of the outer surface of the stable disc (85), a movable side plate (83) is fixedly connected to the output end of the rotating rod (86), a connecting column (84) is sleeved on the outer surface of the central connecting shaft (82), an extrusion block (88) is fixedly connected to the bottom of the connecting column (84), a fastening mechanism (87) is sleeved inside the extrusion block (88), and the fastening mechanism (87) is arranged right below the movable side plate (83);
the fastening mechanism (87) comprises a lower moving block (872), the top of the lower moving block (872) is fixedly connected with a connecting rod (873), the top of the connecting rod (873) is fixedly connected with an arc-shaped bent plate (874), the outer surface of the arc-shaped bent plate (874) is fixedly connected with an upper moving block (871), the rotating rod (86) rotates and drives the moving side plate (83) to move up and down continuously, the extruding block (88) is pushed to clamp a rock core more firmly, when the upper moving block (971) is impacted, the arc-shaped bent plate (874) deforms to push the lower moving block (872) downwards, and the lower moving block (872) applies relative force to the rock core again.
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| CN202211690655.7A CN116047025B (en) | 2022-12-27 | 2022-12-27 | High-temperature high-pressure core self-priming experimental device |
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| CN202211690655.7A CN116047025B (en) | 2022-12-27 | 2022-12-27 | High-temperature high-pressure core self-priming experimental device |
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