CN116297103A - Rock sample seepage flow experimental device - Google Patents

Rock sample seepage flow experimental device Download PDF

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Publication number
CN116297103A
CN116297103A CN202310294283.4A CN202310294283A CN116297103A CN 116297103 A CN116297103 A CN 116297103A CN 202310294283 A CN202310294283 A CN 202310294283A CN 116297103 A CN116297103 A CN 116297103A
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China
Prior art keywords
tube
piston
rock sample
fixed mounting
test
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Pending
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CN202310294283.4A
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Chinese (zh)
Inventor
唐杨
王健
杜德林
魏鸿坤
周娅芹
邹琪
疏惠
樊康杰
路宇豪
许天寒
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to CN202310294283.4A priority Critical patent/CN116297103A/en
Publication of CN116297103A publication Critical patent/CN116297103A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806—Details, e.g. sample holders, mounting samples for testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample
    • G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/04—Corrosion probes
    • G01N17/043—Coupons

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Dispersion Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a rock sample seepage experimental device in the technical field of rock sample experiments, which comprises a bottom plate, wherein a hollow pipe is fixedly arranged in the center of the top of the bottom plate, four sets of test tubes are arranged in the device, the same shale patterns are fixed in each set of test tubes through rubber sleeves, different seepage media can be injected into the four sets of test tubes in the actual test process, then a motor is used for driving a piston to move downwards, when the piston is used, the pressure in the test tubes can be increased, at the moment, only the seepage media flowing out of a drain pipe through each test tube is needed, the device can test four different media simultaneously, the efficiency is high, in addition, the comparison can be carried out between each media in time in the test process, and the device also has the function of simulating the pressure.

Description

Rock sample seepage flow experimental device
Technical Field
The invention relates to the technical field of rock sample experiments, in particular to a rock sample seepage experiment device.
Background
The instability of the well wall in the drilling process and about 70% of various complex conditions are related to shale, and the measurement of the core permeability is an important and very wide work in the experiments of geological exploration and development, oil and gas reservoir protection research, shale test and the like.
At present, a sample is taken to perform experiments when the shale permeation tester is used for testing, but permeation media are different when the permeation rate is tested, so that the samples also have to be replaced synchronously when different permeation media are replaced, the experimental efficiency can be influenced, and the permeation of the different media cannot be compared intuitively in the whole experimental process.
Based on the above, the invention designs a rock sample seepage experimental device to solve the problems.
Disclosure of Invention
The invention aims to provide a rock sample seepage experimental device for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the rock sample seepage experimental device comprises a bottom plate, wherein a hollow pipe is fixedly arranged in the center of the top of the bottom plate, a mounting seat is arranged around the hollow pipe, the mounting seat is fixedly arranged at the top of the bottom plate, and a test tube is connected to the top of the mounting seat in a threaded manner;
the two sides of the bottom plate are fixedly provided with vertical plates, the top of each vertical plate is fixedly provided with a cross beam, the top of each cross beam is fixedly provided with a motor box, the inside of each motor box is fixedly provided with a motor, the output shaft of each motor is fixedly provided with a screw rod, the bottom of each screw rod penetrates through the lower part of each cross beam, the surfaces of the screw rods are in threaded connection with lifting pipes, and the surfaces of the lifting pipes are in sliding connection with the inner cavities of the hollow pipes;
the surface fixed mounting of lifter has the support, the support is the cross setting, four faces of support are all fixed mounting have the piston tube, the bottom fixed mounting of piston tube has the piston, the surface and the inner wall sliding connection of test tube of piston.
Preferably, the inner wall fixed mounting of test tube has the rubber sleeve, the below of rubber sleeve is provided with the carrier ring, carrier ring fixed mounting is in the inside of test tube.
Preferably, the limiting grooves are formed in two sides of the inner cavity of the hollow tube, the limiting plates are fixedly arranged on two sides of the lifting tube, and the surfaces of the limiting plates are in sliding connection with the inner cavity of the limiting grooves.
Preferably, the bottom of the piston is fixedly provided with an atmospheric pressure sensor, the inside of the piston tube is fixedly provided with a conveying pipe, the top of the conveying pipe penetrates through the upper side of the piston tube, the bottom of the conveying pipe penetrates through the lower side of the piston, and the surface of the conveying pipe is fixedly provided with an electromagnetic valve.
Preferably, the bottom fixed mounting of test tube has the screw thread post, and the screw thread post is the cavity setting, the internal thread has been seted up to the inner wall of mount pad, the test tube passes through screw thread post and mount pad threaded connection.
Preferably, one side of the mounting seat is communicated with a drain pipe, and the surface of the threaded column is fixedly provided with a sealing ring.
Compared with the prior art, the invention has the beneficial effects that: four test tubes are arranged in the device, the same shale style is fixed in each test tube through the rubber sleeve, different permeation mediums can be injected into the four test tubes in the actual test process, then the piston is driven to move downwards through the motor, when the piston is used, the pressure in the test tube can be increased, at the moment, only permeation medium flows which penetrate through each test tube can flow out of the sewage pipes, the device can test four different mediums at the same time, the efficiency is high, the mediums can be timely compared in the test process, and the device also has the function of simulating the pressure, because the underground pressure is different from the outside, and the accuracy of the permeation test is ensured through simulating the underground pressure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front cross-sectional view of a test tube according to the present invention;
FIG. 3 is a perspective view of a test tube of the present invention in a cut-away state;
FIG. 4 is a perspective view of a piston and piston tube of the present invention;
fig. 5 is an enlarged view of the invention at a in fig. 2.
In the drawings, the list of components represented by the various numbers is as follows:
1. a bottom plate; 2. a hollow tube; 3. a mounting base; 4. a test tube; 5. a riser; 6. a cross beam; 7. a motor case; 8. a motor; 9. a screw rod; 10. a lifting tube; 11. a bracket; 12. a piston tube; 13. a piston; 14. a rubber sleeve; 15. a carrier ring; 16. a limiting plate; 17. an atmospheric pressure sensor; 18. a delivery tube; 19. an electromagnetic valve; 20. a blow-down pipe; 21. and (3) sealing rings.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1
Referring to the drawings, the invention provides a technical scheme that: the rock sample seepage experimental device comprises a bottom plate 1, wherein a hollow pipe 2 is fixedly arranged in the center of the top of the bottom plate 1, a mounting seat 3 is arranged around the hollow pipe 2, the mounting seat 3 is fixedly arranged at the top of the bottom plate 1, and a test pipe 4 is connected with the top of the mounting seat 3 through threads;
the two sides of the bottom plate 1 are fixedly provided with vertical plates 5, the tops of the vertical plates 5 are fixedly provided with cross beams 6, the tops of the cross beams 6 are fixedly provided with motor boxes 7, motors 8 are fixedly arranged in the motor boxes 7, output shafts of the motors 8 are fixedly provided with screw rods 9, the bottoms of the screw rods 9 penetrate through the lower parts of the cross beams 6, the surfaces of the screw rods 9 are in threaded connection with lifting tubes 10, and the surfaces of the lifting tubes 10 are in sliding connection with the inner cavities of the hollow tubes 2;
the surface mounting of stand 11 of riser 10 has, stand 11 is the cross setting, four equal fixed mounting of face of stand 11 have piston tube 12, piston 13 is fixed mounting in the bottom of piston tube 12, the surface of piston 13 and the inner wall sliding connection of test tube 4, the output shaft of motor 8 drives lead screw 9 and rotates, motor 8 in the device is servo motor moreover, and possess the positive and negative rotation function, can drive the regulation of riser 10 height when lead screw 9 rotates, can drive stand 11 when riser 10 removes, stand 11 drives piston 13 through piston tube 12 and removes, be used for adjusting the inside pressure of test tube 4, when piston 13 inserts in the test tube 4, accessible conveyer pipe 18 carries the osmotic medium to the inside of test tube 4, then the osmotic experiment begins after adjusting pressure, after osmotic medium flows from blow off pipe 20, the osmotic experiment is finished.
Specifically, the spacing groove has all been seted up to the both sides of hollow pipe 2 inner chamber, and the equal fixed mounting in both sides of lifter 10 has limiting plate 16, and limiting plate 16's surface and the inner chamber sliding connection in spacing groove, limiting plate 16 and limiting groove's setting can carry out spacingly to lifter 10, prevents that it from following the lead screw 9 rotation to make lifter 10 only can carry out the adjustment of height.
Specifically, the bottom fixed mounting of test tube 4 has the screw thread post, and the screw thread post is the cavity setting, and the internal thread has been seted up to the inner wall of mount pad 3, and test tube 4 passes through screw thread post and mount pad 3 threaded connection, and test tube 4 in the device is detachable design, can provide convenience for the installation and the follow-up of sample.
Specifically, the drain pipe 20 is communicated with one side of the mounting seat 3, the sealing ring 21 is fixedly arranged on the surface of the threaded column, and when a permeable medium permeates from a sample, the permeable medium can flow out of the drain pipe 20 to be collected, and the sealing ring 21 can improve the tightness between the mounting seat 3 and the test tube 4 and avoid leakage of the permeable medium.
Example two
The structure of this embodiment is basically the same as that of the first embodiment, except that the inner wall of the test tube 4 is fixedly provided with the rubber sleeve 14, the bearing ring 15 is provided below the rubber sleeve 14, the bearing ring 15 is fixedly installed inside the test tube 4, during testing, the sample needs to be processed into a cylindrical form, then the sample is inserted into the rubber sleeve 14, the permeable medium can be ensured not to flow out from the contact position between the sample and the rubber sleeve 14 through the seal of the rubber sleeve 14, so that the accuracy of testing is ensured, and the bearing ring 15 can support the sample.
Example III
The structure of this embodiment is basically the same as that of the first embodiment, except that the bottom of the piston 13 is fixedly provided with an atmospheric pressure sensor 17, the inside of the piston tube 12 is fixedly provided with a conveying tube 18, the top of the conveying tube 18 penetrates above the piston tube 12, the bottom of the conveying tube 18 penetrates below the piston 13, the surface of the conveying tube 18 is fixedly provided with an electromagnetic valve 19, the atmospheric pressure sensor 17 can monitor the gas pressure in the test tube 4 in real time, the piston 13 can be driven to move downwards or upwards by the motor 8 to simulate the pressure state of a sample under the well, so that the test precision is improved, the conveying tube 18 can convey a permeation medium into the test tube 4, and the electromagnetic valve 19 can perform cut-off control on the conveying tube 18.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are merely helpful in illustrating the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a rock sample seepage flow experimental apparatus, includes bottom plate (1), its characterized in that: a hollow tube (2) is fixedly arranged in the center of the top of the bottom plate (1), a mounting seat (3) is arranged around the hollow tube (2), the mounting seat (3) is fixedly arranged at the top of the bottom plate (1), and a test tube (4) is connected with the top of the mounting seat (3) through threads;
the two sides of the bottom plate (1) are fixedly provided with vertical plates (5), the top of each vertical plate (5) is fixedly provided with a cross beam (6), the top of each cross beam (6) is fixedly provided with a motor box (7), the inside of each motor box (7) is fixedly provided with a motor (8), the output shaft of each motor (8) is fixedly provided with a screw rod (9), the bottom of each screw rod (9) penetrates through the lower part of each cross beam (6), the surface of each screw rod (9) is in threaded connection with a lifting tube (10), and the surface of each lifting tube (10) is in sliding connection with the inner cavity of each hollow tube (2);
the surface mounting of lifter (10) has support (11), support (11) are the cross setting, four faces of support (11) are all fixed mounting have piston tube (12), the bottom fixed mounting of piston tube (12) has piston (13), the surface and the inner wall sliding connection of survey test tube (4) of piston (13).
2. The rock sample seepage test device according to claim 1, wherein: the inner wall fixed mounting of test tube (4) has rubber sleeve (14), the below of rubber sleeve (14) is provided with carrier ring (15), carrier ring (15) fixed mounting is in the inside of test tube (4).
3. The rock sample seepage test device according to claim 1, wherein: limiting grooves are formed in two sides of the inner cavity of the hollow tube (2), limiting plates (16) are fixedly mounted on two sides of the lifting tube (10), and the surfaces of the limiting plates (16) are slidably connected with the inner cavity of the limiting grooves.
4. The rock sample seepage test device according to claim 1, wherein: the bottom of piston (13) fixed mounting has atmospheric pressure sensor (17), the inside fixed mounting of piston tube (12) has conveyer pipe (18), the top of conveyer pipe (18) is run through to the top of piston tube (12), the bottom of conveyer pipe (18) is run through to the below of piston (13), the surface fixed mounting of conveyer pipe (18) has solenoid valve (19).
5. The rock sample seepage test device according to claim 1, wherein: the bottom fixed mounting of test tube (4) has the screw thread post, and the screw thread post is the cavity setting, the internal thread has been seted up to the inner wall of mount pad (3), test tube (4) pass through screw thread post and mount pad (3) threaded connection.
6. The rock sample seepage test device according to claim 5, wherein: one side of the mounting seat (3) is communicated with a drain pipe (20), and a sealing ring (21) is fixedly arranged on the surface of the threaded column.
CN202310294283.4A 2023-03-24 2023-03-24 Rock sample seepage flow experimental device Pending CN116297103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310294283.4A CN116297103A (en) 2023-03-24 2023-03-24 Rock sample seepage flow experimental device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310294283.4A CN116297103A (en) 2023-03-24 2023-03-24 Rock sample seepage flow experimental device

Publications (1)

Publication Number Publication Date
CN116297103A true CN116297103A (en) 2023-06-23

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Application Number Title Priority Date Filing Date
CN202310294283.4A Pending CN116297103A (en) 2023-03-24 2023-03-24 Rock sample seepage flow experimental device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117825261A (en) * 2024-03-06 2024-04-05 山东大学 Gypsum rock corrosion experiment system and method considering space seepage characteristics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117825261A (en) * 2024-03-06 2024-04-05 山东大学 Gypsum rock corrosion experiment system and method considering space seepage characteristics
CN117825261B (en) * 2024-03-06 2024-05-14 山东大学 Gypsum rock corrosion experiment system and method considering space seepage characteristics

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