CN113882822A - High-temperature and high-pressure simulation test cabin for deep coring - Google Patents
High-temperature and high-pressure simulation test cabin for deep coring Download PDFInfo
- Publication number
- CN113882822A CN113882822A CN202110264673.8A CN202110264673A CN113882822A CN 113882822 A CN113882822 A CN 113882822A CN 202110264673 A CN202110264673 A CN 202110264673A CN 113882822 A CN113882822 A CN 113882822A
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- cabin
- fidelity
- temperature
- cabin body
- core
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being specially adapted for operation under water
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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
Abstract
The invention discloses a deep coring high-temperature high-pressure simulation test cabin which comprises a cabin body, a clamping assembly, a fidelity cabin, a temperature simulator and a core-changing regulator, wherein the clamping assembly, the fidelity cabin, a fidelity cabin door, the temperature simulator and the core-changing regulator are arranged inside the cabin body, the clamping assembly is arranged at the top of the cabin body, the clamping assembly is detachably connected with the tail of the fidelity cabin, the fidelity cabin door is arranged at the tail end of the fidelity cabin and is detachably connected with the fidelity cabin, the head of the fidelity cabin is movably connected with the core-changing regulator, the core-changing regulator is fixedly connected with the bottom of the cabin body, the temperature simulator is connected with the inner wall of the cabin body, and the temperature simulator is connected with external temperature regulation and control equipment. The core taking device can simulate the core taking process under the high-temperature and high-pressure state, can test the heat preservation and pressure maintaining effects of the core taking device, and can improve and adjust the core taking device according to test data to finish the acquisition of related big data.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a deep coring high-temperature high-pressure simulation test cabin.
Background
At present, mineral resources in the shallow part of the earth are gradually exhausted, resource development continuously moves to the deep part of the earth, the coal mining depth reaches 1500m, the geothermal mining depth exceeds 3000m, the metal mining depth exceeds 4350m, the oil and gas resource mining depth reaches 7500m, and deep resource mining becomes a normal state. Deep rocks are always in a high temperature environment, quite different from surface rocks. Temperature is an important factor influencing properties such as rock mechanics, wherein coal resource mining activities gradually developing to a deep part are influenced by temperature, so that numerous scholars have developed researches on influences of temperature on the properties of the rock mechanics, gas adsorption and analysis, seepage rules and the like. In the aspect of coal mechanical properties, the existing researches show that the strength of the coal is reduced along with the rise of the temperature; in the research on gas adsorption/desorption, relevant scholars consider that the adsorption capacity of coal is reduced along with the increase of temperature; the relation between the gas seepage in the coal body and the temperature is complex, and the academic world does not form a unified understanding yet. It can be seen that as the temperature rises, the mechanical properties of the coal rock, the gas adsorption and desorption, the seepage rule and the like all change, and taking various properties of the rock at normal temperature as the properties of the deep rock brings great deviation to the engineering, so that the temperature is particularly important as one of the in-situ occurrence environments of the deep rock. Scientific drilling is an indispensable important means for solving major problems of resources, disasters, environments and the like faced by human beings, and the traditional continental deep ground drilling core-taking field cannot completely and scientifically obtain in-situ rock core mechanical behavior rules, gas phase information and the like due to the fact that heat insulation cannot be carried out, so that deep rock in-situ heat insulation coring technical equipment must be researched and developed to realize the fidelity of rock temperature under the deep in-situ environmental condition, and a foundation is provided for subsequent test analysis.
At present, in the field of drilling and coring in deep continents, the main focus is still on coring and drilling technologies, only the field of marine drilling has the first focus on the fidelity sampling technology of submarine sediments, but marine coring devices are mainly designed for pressure maintaining coring, most of the marine coring devices do not adopt heat preservation measures, but when the coring devices reach the ground, the cores are put into a device with special design, and measures such as rapid ice coating or liquid nitrogen freezing are adopted to realize the purpose of heat preservation, such as DAPC and MAC coring devices; only a few coring devices for seafloor sediments relate to heat preservation technology, and heat preservation measures of the coring devices are passive heat preservation (reducing heat dissipation of rock cores), active heat preservation measures (controlling constant temperature) are not taken, and finally the temperature of the rock cores can still be reduced. In addition, with submarine sediment heat preservation coring field completely different, land deep stratum often is in high temperature state, and its heat preservation coring technique's purpose is to prevent that the core temperature from reducing, consequently existing heat preservation technique can not directly be applicable to deep stratum heat preservation coring, is applicable to the stratum heat preservation coring technique and still needs further exploration.
In the indoor test process which is developed by taking the combination of active heat preservation and passive heat preservation as a research idea, a test platform for simulating the in-situ high-temperature and high-pressure coring device is needed to perform simulation test on the effect of the coring device.
Disclosure of Invention
The invention aims to provide a deep coring high-temperature high-pressure simulation test cabin which can simulate a coring process in a high-temperature high-pressure state, can test the heat preservation and pressure maintaining effects of a coring device, can improve and adjust the coring device according to test data and complete relevant big data acquisition.
In order to achieve the purpose, the deep coring high-temperature high-pressure simulation test cabin provided by the invention comprises a cabin body, a clamping assembly, a fidelity cabin, a temperature simulator and a core changing regulator, wherein the clamping assembly, the fidelity cabin, a fidelity cabin door, the temperature simulator and the core changing regulator are arranged inside the cabin body, the clamping assembly is arranged at the top of the cabin body, the clamping assembly is detachably connected with the tail part of the fidelity cabin, the fidelity cabin door is arranged at the tail end of the fidelity cabin, the fidelity cabin door is detachably connected with the fidelity cabin, the head part of the fidelity cabin is movably connected with the core changing regulator, the core changing regulator is fixedly connected with the bottom of the cabin body, the temperature simulator is connected with the inner wall of the cabin body, and the temperature simulator is connected with external temperature regulating and controlling equipment.
Preferably, the clamping assembly comprises hydraulic cylinders and limiting arms, the hydraulic cylinders and the limiting arms are arranged on two sides of the top of the cabin body, one end of each limiting arm is connected with the corresponding hydraulic cylinder, the other end of each limiting arm is detachably connected with the tail of the fidelity cabin, and the hydraulic cylinders are connected with an external hydraulic station.
Preferably, the fidelity cabin comprises a fidelity cabin body and a corer, and the corer is positioned in an internal cavity of the fidelity cabin body.
Further, the shape of the coring device is matched with the shape of the inner cavity of the fidelity cabin body.
Furthermore, an insulating layer is arranged on the inner wall of the fidelity cabin.
Preferably, the surface of the temperature simulator is provided with a through hole.
Further, the temperature simulator is long-strip-shaped, the temperature simulator is vertically arranged on the inner wall of the cabin body, and the position of the temperature simulator corresponds to the position of the fidelity cabin.
Preferably, the core-changing adjuster comprises a base, a hydraulic link mechanism and a supporting plate, wherein two sides of the head of the fidelity cabin are hinged with the supporting plate, the middle part of the head of the fidelity cabin is connected with the hydraulic link mechanism, and the hydraulic link mechanism is connected with an external hydraulic station.
Preferably, the front and the back of the cabin body are both provided with cabin doors, and the front cabin door of the cabin body is provided with a visible window.
Preferably, the bottom of the cabin body is provided with universal wheels.
Compared with the prior art, the invention has the following technical effects:
1. the core taking device can simulate the core taking process under the high-temperature and high-pressure state, meet the requirements of in-situ core taking test conditions, and simulate the environmental conditions of different temperatures and pressures for the heat-preservation and pressure-maintaining in-situ core taking experiment;
2. the invention can test the heat preservation and pressure maintaining effects of the coring device, provides the qualified inspection standard and has a guiding function to the field;
3. the core taking device can be improved and adjusted according to the test data, the measurement parameters are corrected, and the core taking device has a guiding function on equipment improvement;
4. the invention can complete the big data acquisition of tests under various environmental conditions, and is beneficial to further research on the big data by later people.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic cross-sectional side view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic longitudinal cross-sectional view of the present invention;
icon: 1-cabin body, 101-front cabin door, 102-visible window, 2-clamping assembly, 3-fidelity cabin, 301-fidelity cabin body, 302-coring device, 4-fidelity cabin door, 5-temperature simulator, 6-core changing regulator, 601-base, 602-hydraulic link mechanism, 603-supporting plate and 7-universal wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
The utility model provides a core high temperature high pressure simulation test cabin is got in deep, including the cabin body 1, clamping component 2, fidelity cabin 3, temperature simulator 5, core changing adjuster 6, clamping component 2, fidelity cabin 3, fidelity cabin door 4, temperature simulator 5, core changing adjuster 6 sets up in the inside of the cabin body 1, clamping component 2 sets up the top at the cabin body 1, clamping component 2 can be dismantled with the afterbody of fidelity cabin 3 and be connected, the tail end of fidelity cabin 3 is provided with fidelity cabin door 4, fidelity cabin door 4 can be dismantled with fidelity cabin 3 and be connected, the head and the core changing adjuster 6 swing joint of fidelity cabin 3, core changing adjuster 6 links firmly with the bottom of the cabin body 1, temperature simulator 5 and the interior wall connection of the cabin body 1, temperature simulator 5 is connected with outside temperature regulation and control equipment.
The clamping assembly 2 comprises hydraulic cylinders and limiting arms arranged on two sides of the top of the cabin body 1, one end of each limiting arm is connected with the corresponding hydraulic cylinder, the other end of each limiting arm is detachably connected with the tail of the fidelity cabin 3, and the corresponding hydraulic cylinders are connected with an external hydraulic station.
The shape of the corer 302 is adapted to the shape of the internal cavity of the fidelity capsule body 301.
The inner wall of the fidelity cabin 3 is provided with a heat preservation layer.
The surface of the temperature simulator 5 is provided with a through hole.
The temperature simulator 5 is in a long strip shape, the temperature simulator 5 is vertically arranged on the inner wall of the cabin body 1, and the position of the temperature simulator 5 corresponds to the position of the fidelity cabin 3.
The core-changing adjuster 6 comprises a base 601, a hydraulic link mechanism 602 and a supporting plate 603, wherein two sides of the head of the fidelity cabin 3 are hinged with the supporting plate 603, the middle part of the head of the fidelity cabin 3 is connected with the hydraulic link mechanism 602, and the hydraulic link mechanism 602 is connected with an external hydraulic station.
The front and the back of the cabin body 1 are provided with cabin doors, and a visible window 102 is arranged on the front cabin door 101 of the cabin body 1.
The bottom of the cabin 1 is provided with universal wheels 7.
The operation method comprises the following steps:
when in use, firstly, the cabin door at the back of the cabin body 1 is opened, then the hydraulic link mechanism 602 of the core-changing regulator 6 is controlled by an external control terminal to rotate from a vertical state to a horizontal state, then the fidelity cabin door 4 of the fidelity cabin 3 is opened and the corer 302 in the fidelity cabin 3 is taken out, then the corer 302 is filled with rock samples, the fidelity cabin door 4 is closed after the rock samples are filled, the core-changing regulator 6 is controlled by the external control terminal to rotate to an initial vertical state, the clamping component 2 at the top of the cabin body 1 is started, the limiting arms at the two sides of the clamping component 2 are driven by hydraulic cylinders to move oppositely to clamp the fidelity cabin 3 and limit the same, the fidelity cabin 3 is prevented from swinging, then, the cabin door at the back of the cabin body 1 is closed, the internal temperature of the cabin body 1 is regulated and controlled by external temperature regulating equipment, the coring process at different temperatures is simulated, the process that the external environment temperature is changed from high to low during deep coring is simulated, the heat preservation and pressure maintaining effects of the coring device 302 are tested.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a core high temperature high pressure simulation test cabin is got in deep which characterized in that: comprises a cabin body (1), a clamping component (2), a fidelity cabin (3), a temperature simulator (5) and a core-changing regulator (6), clamping component (2), fidelity cabin (3), fidelity hatch door (4), temperature simulator (5), trade core adjuster (6) and set up in the inside of cabin body (1), clamping component (2) set up the top in cabin body (1), clamping component (2) can be dismantled with the afterbody of fidelity cabin (3) and be connected, the tail end of fidelity cabin (3) is provided with fidelity hatch door (4), fidelity hatch door (4) can be dismantled with fidelity cabin (3) and be connected, the head and trade core adjuster (6) swing joint of fidelity cabin (3), trade core adjuster (6) and the bottom of cabin body (1) link firmly, temperature simulator (5) and the interior wall connection of the cabin body (1), temperature simulator (5) are connected with outside temperature regulation and control equipment.
2. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein: the clamping assembly (2) comprises hydraulic cylinders and limiting arms, the hydraulic cylinders and the limiting arms are arranged on two sides of the top of the cabin body (1), one end of each limiting arm is connected with the corresponding hydraulic cylinder, the other end of each limiting arm is detachably connected with the tail of the fidelity cabin (3), and the corresponding hydraulic cylinders are connected with an external hydraulic station.
3. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein: fidelity cabin (3) are including fidelity cabin body (301), corer (302), and corer (302) are located the internal cavity of fidelity cabin body (301).
4. The deep coring high temperature and high pressure simulation test chamber of claim 3, wherein: the shape of the coring device (302) is matched with the shape of the inner cavity of the fidelity cabin body (301).
5. The deep coring high temperature and high pressure simulation test chamber of claim 1, 3 or 4, wherein: and a heat-insulating layer is arranged on the inner wall of the fidelity cabin (3).
6. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein a through hole is formed in the surface of the temperature simulator (5).
7. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 6, wherein: the temperature simulator (5) is in a long strip shape, the temperature simulator (5) is vertically arranged on the inner wall of the cabin body (1), and the position of the temperature simulator (5) corresponds to the position of the fidelity cabin (3).
8. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein: the core-changing adjuster (6) comprises a base (601), a hydraulic link mechanism (602) and a supporting plate (603), wherein two sides of the head of the fidelity cabin (3) are hinged to the supporting plate (603), the middle part of the head of the fidelity cabin (3) is connected with the hydraulic link mechanism (602), and the hydraulic link mechanism (602) is connected with an external hydraulic station.
9. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein: the front and the back of the cabin body (1) are both provided with cabin doors, and the front cabin door (101) of the cabin body (1) is provided with a visible window (102).
10. The deep coring high-temperature high-pressure simulation test chamber as claimed in claim 1, wherein: the bottom of the cabin body (1) is provided with universal wheels (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110264673.8A CN113882822B (en) | 2021-03-11 | 2021-03-11 | Deep coring high-temperature high-pressure analog test cabin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110264673.8A CN113882822B (en) | 2021-03-11 | 2021-03-11 | Deep coring high-temperature high-pressure analog test cabin |
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| CN113882822A true CN113882822A (en) | 2022-01-04 |
| CN113882822B CN113882822B (en) | 2023-07-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114458203A (en) * | 2022-01-26 | 2022-05-10 | 四川大学 | Deep normal position fidelity is got core and is rateed platform assembly system |
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| Publication number | Publication date |
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| CN113882822B (en) | 2023-07-18 |
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