CN219416119U - Oil gas water metering device for rock core displacement experiments - Google Patents
Oil gas water metering device for rock core displacement experiments Download PDFInfo
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- CN219416119U CN219416119U CN202223406404.XU CN202223406404U CN219416119U CN 219416119 U CN219416119 U CN 219416119U CN 202223406404 U CN202223406404 U CN 202223406404U CN 219416119 U CN219416119 U CN 219416119U
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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 utility model relates to the technical field of core displacement experiment metering, and discloses an oil-gas-water metering device for core displacement experiments, which comprises an experiment table, wherein a stabilizing component is arranged in the experiment table, oil-gas-water is arranged in an inner cavity of the stabilizing component, a rotating component is arranged at the top end of the experiment table and positioned at two sides of the stabilizing component, a metering component is arranged at the top end of the rotating component and used for adjusting the angle of the metering component, the metering component is movably connected between the stabilizing components and positioned right above the stabilizing component, the rotating component is matched with the metering component and used for conveniently metering the oil-gas-water in the stabilizing component, a cylindrical groove is formed in the top end of the experiment table, a positioning hole is formed in the bottom wall of the inner cavity of the cylindrical groove, and an annular groove is formed in the side wall of the inner cavity of the cylindrical groove. The utility model is convenient for accurately metering oil, gas and water and can avoid errors caused by manual reading.
Description
Technical Field
The utility model relates to the technical field of core displacement experiment metering, in particular to an oil-gas-water metering device for a core displacement experiment.
Background
The core displacement experiments include various secondary and tertiary enhanced oil recovery experiments, including: the water flooding, polymer flooding, mixed phase and non-mixed phase gas flooding, microbial flooding, steam flooding and the like can determine the value of the enhanced oil recovery, the displacement efficiency and the recovery ratio under the saturation of irreducible water and the saturation of residual oil after the enhanced oil recovery measures are carried out, and an oil-gas-water metering device is needed because oil-gas-water metering is needed.
When the oil-gas-water metering device for the core displacement experiment at present is used for metering, the volume of oil-gas-water is manually read, and the artificial reading error exists, so that the experimental error is inaccurate, and therefore, the oil-gas-water metering device for the core displacement experiment is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the oil-gas-water metering device for the core displacement experiment has the advantages of being convenient to accurately meter oil-gas-water, avoiding errors caused by manual reading and the like, and solving the problem of manual reading errors.
(II) technical scheme
In order to achieve the purposes of conveniently and accurately metering oil, gas and water and avoiding errors caused by manual reading, the utility model provides the following technical scheme: the oil-gas-water metering device for the core displacement experiment comprises an experiment table, wherein a stabilizing assembly is arranged in the experiment table, and an inner cavity of the stabilizing assembly is provided with oil-gas-water;
the top of laboratory bench is provided with rotating assembly, rotating assembly is located the both sides of stabilizing the subassembly, rotating assembly's top is provided with metering assembly, rotating assembly is used for adjusting metering assembly's angle, metering assembly is located swing joint between the stabilizing assembly, and metering assembly is located the stabilizing assembly directly over, rotating assembly and metering assembly cooperation are used for conveniently metering oil gas water in the stabilizing assembly.
As a preferable technical scheme of the utility model, a cylindrical groove is formed in the top end of the experiment table, a positioning hole is formed in the bottom wall of the inner cavity of the cylindrical groove, an annular groove is formed in the side wall of the inner cavity of the cylindrical groove, an arc-shaped groove is formed in the top wall of the inner cavity of the annular groove, and the cylindrical groove, the positioning hole, the annular groove and the inner cavity of the arc-shaped groove are movably clamped with the stabilizing component.
As a preferable technical scheme of the utility model, the stabilizing component comprises an oil-gas-water cylinder, wherein the inner cavity of the oil-gas-water cylinder is movably connected with oil-gas-water, the oil-gas-water cylinder is movably clamped with the inner cavity of the cylindrical groove, the outer surface of the bottom end of the oil-gas-water cylinder is fixedly provided with an arc-shaped protruding block, and the arc-shaped protruding block is movably connected with the annular groove and the inner cavity of the arc-shaped groove;
the bottom fixed mounting of oil gas water drum has the location projection, movable joint between the inner chamber of location projection and locating hole.
As a preferable technical scheme of the utility model, a limit groove is formed in the top end of the oil-gas-water cylinder, and an inner cavity of the limit groove is movably connected with the metering assembly.
As a preferable technical scheme of the utility model, the rotating assembly comprises a hinge seat, the bottom end of the hinge seat is fixedly connected with the top end of the experiment table, the inner cavity of the hinge seat is movably connected with a movable block, the top end of the movable block is fixedly connected with the metering assembly, the inner cavity of the movable block is movably connected with a rotating shaft, and the outer surface of the rotating shaft is movably connected with the inner part of the hinge seat.
As a preferable technical scheme of the utility model, the inner parts of two sides of the hinge seat are respectively provided with a first rotary hole, and the inner cavity of the first rotary hole is movably connected with the inner cavity of the rotating shaft;
the second rotating hole is formed in the movable block, and the inner cavity of the second rotating hole is movably connected with the inner cavity of the rotating shaft.
As a preferable technical scheme of the utility model, the metering assembly comprises an electric push rod, the bottom end of the electric push rod is fixedly connected with the top end of the movable block, the top end of the electric push rod is fixedly provided with a fixed plate, the fixed plate is movably connected with the inner cavity of the limit groove in the stabilizing assembly, a clamping hole is formed in the top end of the fixed plate, and the inner cavity of the clamping hole is movably connected with the ultrasonic liquid level sensor.
(III) beneficial effects
Compared with the prior art, the utility model provides the oil-gas-water metering device for the core displacement experiment, which has the following beneficial effects:
1. this oil gas water metering device for rock core displacement experiments through exerting thrust to the movable block, the movable block rotates in articulated seat inboard this moment, and use the pivot to rotate as the axle, in this period, the movable block drives the measurement subassembly and rotates, and adjust the angle of measurement subassembly, then pour into oil gas water that the rock core displacement experiments needs the measurement into oil gas water drum inner chamber, and reset the movable block, restart electric putter, and shorten, this moment electric putter drives the fixed plate and removes, the fixed plate drives ultrasonic liquid level sensor and remove, and draw close to the oil gas water drum direction that holds oil gas water, until the fixed plate joint is at the spacing groove inner chamber, and ultrasonic liquid level sensor's probe inserts perpendicularly in the oil gas water, simultaneously, start ultrasonic liquid level sensor, and meter oil gas water in the oil gas water drum inner chamber, in this period, when oil gas water reaches the probe up end, because the effect of pressure differential makes the transmission wave that the probe bottom gets into through the transmitter and receives the commutator and converts to the receiving wave signal output to the display instrument opposite to original direction, and display instrument, and accurate numerical value is measured to the oil gas water is avoided to the ultrasonic liquid level sensor, thereby the accurate measurement is carried out to the oil gas water.
2. This oil gas water metering device for rock core displacement experiments through the oil gas water section of thick bamboo location joint at the cylindrical tank inner chamber, and arc lug gets into arc tank inner chamber this moment, and the location projection gets into the locating hole inner chamber, then rotatory oil gas water section of thick bamboo, and arc lug rotates this moment to the joint gets into ring channel inner chamber, and the location projection rotates in the locating hole inner chamber, and fix the perpendicular joint of oil gas water section of thick bamboo inside the laboratory bench top, thereby conveniently fix a position oil gas water section of thick bamboo joint on the laboratory bench, and then guaranteed the steadiness of oil gas water section of thick bamboo.
Drawings
FIG. 1 is a front perspective view of the present utility model;
FIG. 2 is a perspective view of a stabilizing assembly according to the present utility model;
FIG. 3 is a perspective view of the connection of the laboratory bench, the rotating assembly and the metering assembly of the present utility model;
fig. 4 is an exploded perspective view of the connection of the laboratory bench, the rotating assembly and the metering assembly of the present utility model.
In the figure: 1. an experiment table; 11. a cylindrical groove; 12. positioning holes; 13. an annular groove; 14. an arc-shaped groove; 2. a stabilizing assembly; 21. an oil-gas water cylinder; 211. a limit groove; 22. arc-shaped protruding blocks; 23. positioning the convex column; 3. a rotating assembly; 31. a hinge base; 311. a first rotation hole; 32. a movable block; 321. a second rotation hole; 33. a rotating shaft; 4. a metering assembly; 41. an electric push rod; 42. a fixing plate; 421. a clamping hole; 43. an ultrasonic liquid level sensor.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an oil-gas-water metering device for core displacement experiments comprises an experiment table 1, wherein a stabilizing assembly 2 is arranged in the experiment table 1, and an inner cavity of the stabilizing assembly 2 is provided with oil-gas-water;
the top of laboratory bench 1 is provided with rotary part 3, and rotary part 3 is located the both sides of stabilizing subassembly 2, and rotary part 3's top is provided with metering part 4, and rotary part 3 is used for adjusting metering part 4's angle, and metering part 4 is located swing joint between stabilizing subassembly 2, and metering part 4 is located stabilizing subassembly 2 directly over, and rotary part 3 and metering part 4 cooperate and are used for conveniently metering oil gas water in the stabilizing subassembly 2.
Specifically, the cylinder groove 11 has been seted up to the inside top of laboratory bench 1, and locating hole 12 has been seted up to the inner chamber diapire of cylinder groove 11, and ring channel 13 has been seted up to the inner chamber lateral wall of cylinder groove 11, and arc wall 14 has been seted up to the inner chamber roof of ring channel 13, and activity joint between cylinder groove 11, locating hole 12, ring channel 13 and the inner chamber of arc wall 14 and the firm subassembly 2.
In this embodiment, through at the inside cylinder groove 11 of seting up in the top of laboratory bench 1, and set up locating hole 12 at the inner chamber diapire of cylinder groove 11, then set up ring channel 13 at the inner chamber lateral wall of cylinder groove 11, and set up arc wall 14 at the inner chamber roof of ring channel 13 to make things convenient for firm subassembly 2 joint location in laboratory bench 1 inside.
Specifically, the stabilizing component 2 comprises an oil-gas-water cylinder 21, the inner cavity of the oil-gas-water cylinder 21 is movably connected with the oil-gas-water, the oil-gas-water cylinder 21 is movably clamped with the inner cavity of the cylindrical groove 11, an arc-shaped protruding block 22 is fixedly arranged on the outer surface of the bottom end of the oil-gas-water cylinder 21, and the arc-shaped protruding block 22 is movably connected with the annular groove 13 and the inner cavity of the arc-shaped groove 14;
the bottom end of the oil-gas-water cylinder 21 is fixedly provided with a positioning convex column 23, and the positioning convex column 23 is movably clamped with the inner cavity of the positioning hole 12.
In this embodiment, through the hydro-pneumatic cylinder 21 location joint that is fixed with arc lug 22 and location projection 23 at the cylindrical tank 11 inner chamber, the arc lug 22 that fixes at hydro-pneumatic cylinder 21 surface at this moment gets into the arc groove 14 inner chamber, the location projection 23 that fixes in hydro-pneumatic cylinder 21 bottom gets into locating hole 12 inner chamber, then rotatory hydro-pneumatic cylinder 21 that is fixed with arc lug 22 and location projection 23, the arc lug 22 that fixes at hydro-pneumatic cylinder 21 surface at this moment rotates, and the joint gets into ring channel 13 inner chamber, the location projection 23 of fixing in hydro-pneumatic cylinder 21 bottom rotates in locating hole 12 inner chamber, thereby conveniently fix hydro-pneumatic cylinder 21 joint on laboratory bench 1, and then ensured hydro-pneumatic cylinder 21's steadiness.
Specifically, a limiting groove 211 is formed in the top end of the oil-gas water cylinder 21, and an inner cavity of the limiting groove 211 is movably connected with the metering assembly 4.
In this embodiment, the limit groove 211 is formed in the top end of the hydro-pneumatic cylinder 21, so that the metering assembly 4 can conveniently move in the top end of the hydro-pneumatic cylinder 21.
Specifically, the rotating assembly 3 comprises a hinge seat 31, the bottom end of the hinge seat 31 is fixedly connected with the top end of the experiment table 1, a movable block 32 is movably connected with the inner cavity of the hinge seat 31, the top end of the movable block 32 is fixedly connected with the metering assembly 4, a rotating shaft 33 is movably connected with the inner cavity of the movable block 32, and the outer surface of the rotating shaft 33 is movably connected with the inside of the hinge seat 31.
In this embodiment, by applying a pushing force to the movable block 32, at this time, the movable block 32 rotates inside the hinge seat 31 fixed at the top end of the experiment table 1, and rotates with the rotating shaft 33 movably connected inside the hinge seat 31 as an axis, during which the movable block 32 drives the metering assembly 4 to rotate, and adjusts the angle of the metering assembly 4, thereby conveniently adjusting the angle of the metering assembly 4.
Specifically, the two sides of the hinge seat 31 are provided with first rotating holes 311, and the inner cavity of the first rotating holes 311 is movably connected with the inner cavity of the rotating shaft 33;
the second rotating hole 321 is formed in the movable block 32, and the inner cavity of the second rotating hole 321 is movably connected with the inner cavity of the rotating shaft 33.
In this embodiment, the first rotation holes 311 are formed inside the two sides of the hinge seat 31, so that the rotation shaft 33 can rotate inside the hinge seat 31 conveniently;
a second rotation hole 321 is formed in the movable block 32, so that the rotation shaft 33 can be conveniently rotated in the movable block 32.
Specifically, the metering assembly 4 includes an electric push rod 41, the bottom of the electric push rod 41 is fixedly connected with the top of the movable block 32, a fixed plate 42 is fixedly installed at the top of the electric push rod 41, the fixed plate 42 is movably connected with the inner cavity of the limit groove 211 in the stabilizing assembly 2, a clamping hole 421 is formed in the top of the fixed plate 42, and the inner cavity of the clamping hole 421 is movably connected with the ultrasonic liquid level sensor 43.
In this embodiment, the ultrasonic level sensor 43 works on the principle that when an ultrasonic transducer propagates in a liquid, reflection, refraction, diffraction and the like are generated when different acoustic impedance mediums are encountered, and the depth of the measured medium is obtained through calculation. The method is characterized in that the measurement is not influenced by physical parameters such as temperature, viscosity and the like; by starting the electric push rod 41 fixed at the top end of the movable block 32 and shortening the same, at this time, the electric push rod 41 drives the fixed plate 42 fixed at the top end of the electric push rod 41 to move, the fixed plate 42 drives the ultrasonic liquid level sensor 43 fixed inside the fixed plate 42 to move and close to the direction of the stabilizing component 2 until the fixed plate 42 is clamped in the inner cavity of the limiting groove 211, then the ultrasonic liquid level sensor 43 installed in the inner cavity of the clamping hole 421 is started and oil-gas water in the stabilizing component 2 is metered, during this time, the probe is vertically inserted into an object to be detected, when the detected liquid reaches the upper end surface of the probe, the transmitting wave at the bottom of the probe enters the receiving commutator due to the action of pressure difference and is converted into a receiving wave signal opposite to the original direction to be output to the display instrument, and the numerical value is displayed on the ultrasonic liquid level sensor 43, so that the oil-gas water is conveniently metered accurately, and errors caused by manual readings are avoided.
Working principle: when the core displacement experiment needs to meter oil, gas and water, the oil, gas and water cylinder 21 fixed with the arc-shaped protruding block 22 and the positioning protruding block 23 is positioned and clamped in the inner cavity of the cylindrical groove 11 formed in the top end of the experiment table 1, the arc-shaped protruding block 22 fixed on the outer surface of the oil, gas and water cylinder 21 enters the inner cavity of the arc-shaped groove 14 formed in the bottom wall of the inner cavity of the annular groove 13, the positioning protruding block 23 fixed on the bottom end of the oil, gas and water cylinder 21 enters the inner cavity of the positioning hole 12 formed in the bottom wall of the inner cavity of the cylindrical groove 11, then the arc-shaped protruding block 22 fixed on the outer surface of the oil, gas and water cylinder 21 rotates and is clamped and connected into the inner cavity of the annular groove 13 formed in the bottom wall of the inner cavity of the annular groove 13, and the oil, gas and water cylinder 21 is vertically clamped and fixed in the inner cavity of the top end of the experiment table 1, so that the oil, gas and water cylinder 21 is clamped and positioned on the experiment table 1 conveniently, and the stability of the oil, gas and water cylinder 21 is ensured;
then pushing force is applied to the movable block 32, at this time, the movable block 32 rotates on the inner side of the hinge seat 31 fixed on the top end of the experiment table 1, and rotates by taking the rotating shaft 33 movably connected inside the hinge seat 31 as an axis, during this time, the movable block 32 rotates the metering assembly 4, and adjusts the angle of the metering assembly 4, then the oil-gas-water to be metered in the core displacement experiment is injected into the inner cavity of the oil-gas-water cylinder 21, the movable block 32 is reset, the electric push rod 41 fixed at the top end of the movable block 32 is started, and shortens, at this time, the electric push rod 41 drives the fixed plate 42 fixed at the top end of the electric push rod 41 to move, the fixed plate 42 drives the ultrasonic liquid level sensor 43 fixed inside the fixed plate 42 to move, and the oil-gas-water cylinder 21 is closed towards the direction of the oil-gas-water cylinder 21 containing the oil-gas-water until the fixed plate 42 is clamped in the inner cavity of the limit groove 211 arranged in the top end of the oil-gas-water cylinder 21, and the probe of the ultrasonic liquid level sensor 43 is vertically inserted into the oil-gas-water, at the same time, the ultrasonic liquid level sensor 43 arranged in the inner cavity of the clamping hole 421 is started, and the oil-gas-water in the inner cavity of the oil-gas-water cylinder 21 is metered, during this time, the probe of the ultrasonic liquid level sensor 43 is vertically inserted into the hydrocarbon and water, and when the hydrocarbon and water reaches the upper end surface of the probe, the transmitting wave at the bottom of the probe enters the receiving commutator through the transmitting commutator to be converted into a receiving wave signal with the opposite direction to the original direction and is output to the display instrument under the action of the pressure difference, and the numerical value is displayed on the display instrument of the ultrasonic liquid level sensor 43, thereby being convenient for accurately metering the oil, gas and water, further avoiding errors caused by manual reading, the device not only conveniently carries out accurate measurement to oil gas water, can also avoid the people to read and produce the error.
It should be noted that in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Oil gas water metering device for rock core displacement experiments, including laboratory bench (1), its characterized in that: a stabilizing component (2) is arranged in the experiment table (1), and an inner cavity of the stabilizing component (2) is provided with oil, gas and water;
the experimental bench is characterized in that a rotating assembly (3) is arranged at the top end of the experimental bench (1), the rotating assembly (3) is located at two sides of the stabilizing assembly (2), a metering assembly (4) is arranged at the top end of the rotating assembly (3), the rotating assembly (3) is used for adjusting the angle of the metering assembly (4), the metering assembly (4) is located between the stabilizing assemblies (2) in a movable connection mode, the metering assembly (4) is located right above the stabilizing assemblies (2), and the rotating assembly (3) and the metering assembly (4) are matched to facilitate metering of oil, gas and water in the stabilizing assemblies (2).
2. The oil-gas-water metering device for core displacement experiments as claimed in claim 1, wherein: the experimental bench is characterized in that a cylindrical groove (11) is formed in the top end of the experimental bench (1), a positioning hole (12) is formed in the bottom wall of an inner cavity of the cylindrical groove (11), an annular groove (13) is formed in the side wall of the inner cavity of the cylindrical groove (11), an arc-shaped groove (14) is formed in the top wall of the inner cavity of the annular groove (13), and the inner cavities of the cylindrical groove (11), the positioning hole (12), the annular groove (13) and the arc-shaped groove (14) are movably clamped with the stabilizing component (2).
3. The oil-gas-water metering device for core displacement experiments as claimed in claim 2, wherein: the stabilizing component (2) comprises an oil-gas-water cylinder (21), wherein the inner cavity of the oil-gas-water cylinder (21) is movably connected with oil-gas-water, the oil-gas-water cylinder (21) is movably clamped with the inner cavity of the cylindrical groove (11), an arc-shaped lug (22) is fixedly arranged on the outer surface of the bottom end of the oil-gas-water cylinder (21), and the arc-shaped lug (22) is movably connected with the annular groove (13) and the inner cavity of the arc-shaped groove (14);
the bottom end of the oil-gas water cylinder (21) is fixedly provided with a positioning convex column (23), and the positioning convex column (23) is movably clamped with the inner cavity of the positioning hole (12).
4. A core displacement experimental oil-gas-water metering device according to claim 3, wherein: a limiting groove (211) is formed in the top end of the oil-gas water cylinder (21), and an inner cavity of the limiting groove (211) is movably connected with the metering assembly (4).
5. The oil-gas-water metering device for core displacement experiments as claimed in claim 1, wherein: the rotating assembly (3) comprises a hinging seat (31), the bottom end of the hinging seat (31) is fixedly connected with the top end of the experiment table (1), an inner cavity of the hinging seat (31) is movably connected with a movable block (32), the top end of the movable block (32) is fixedly connected with the metering assembly (4), an inner cavity of the movable block (32) is movably connected with a rotating shaft (33), and the outer surface of the rotating shaft (33) is movably connected with the inside of the hinging seat (31).
6. The oil-gas-water metering device for core displacement experiments as claimed in claim 5, wherein: the inner parts of two sides of the hinging seat (31) are respectively provided with a first rotating hole (311), and the inner cavity of the first rotating hole (311) is movably connected with the inner cavity of the rotating shaft (33);
the inside of movable block (32) has seted up second rotatory hole (321), swing joint between the inner chamber of second rotatory hole (321) and the inner chamber of pivot (33).
7. The oil-gas-water metering device for core displacement experiments as claimed in claim 5, wherein: the metering assembly (4) comprises an electric push rod (41), the bottom of the electric push rod (41) is fixedly connected with the top of the movable block (32), a fixed plate (42) is fixedly arranged at the top of the electric push rod (41), the fixed plate (42) is movably connected with the inner cavity of a limit groove (211) in the stabilizing assembly (2), a clamping hole (421) is formed in the top of the fixed plate (42), and the inner cavity of the clamping hole (421) is movably connected with the ultrasonic liquid level sensor (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406404.XU CN219416119U (en) | 2022-12-19 | 2022-12-19 | Oil gas water metering device for rock core displacement experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406404.XU CN219416119U (en) | 2022-12-19 | 2022-12-19 | Oil gas water metering device for rock core displacement experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416119U true CN219416119U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223406404.XU Active CN219416119U (en) | 2022-12-19 | 2022-12-19 | Oil gas water metering device for rock core displacement experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416119U (en) |
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- 2022-12-19 CN CN202223406404.XU patent/CN219416119U/en active Active
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