CN207315368U - A kind of imbibition experimental provision of crack-matrix pores system - Google Patents
A kind of imbibition experimental provision of crack-matrix pores system Download PDFInfo
- Publication number
- CN207315368U CN207315368U CN201721157099.1U CN201721157099U CN207315368U CN 207315368 U CN207315368 U CN 207315368U CN 201721157099 U CN201721157099 U CN 201721157099U CN 207315368 U CN207315368 U CN 207315368U
- Authority
- CN
- China
- Prior art keywords
- imbibition
- bottle
- sucker
- crack
- experimental provision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of imbibition experimental provision of fracture matrix pore system, it includes：For house imbibition liquid it is at least one ooze imbibition bottle with sucker and more capillaries for housing crude oil, more capillaries, which are arranged on, to be oozed outside imbibition bottle with sucker, and more capillaries are connected to and in communication with oozing imbibition bottle with sucker respectively.Using the imbibition experimental provision of the fracture matrix pore system of the utility model, the imbibition process in capillary can be entered through capillary observation imbibition liquid, so as to also be achieved that simulation and observe the imbibition process that the imbibition liquid in Fracture System enters matrix pores system.
Description
Technical field
It the utility model is related to a kind of oil field development technical field, the imbibition of especially a kind of crack-matrix pores system
Experimental provision.
Background technology
General low-permeability oil deposit often develops intrinsic fracture, if agensis crack, it is also desirable to by artificial fracturing, on stratum
Crack is produced, strengthens the percolation ability of formation fluid, well yield is improved, Oil Reservoir Types is become Fractured hypotonic
Saturating oil reservoir, forms the two kinds of systems in crack and matrix pores.For Fractured Low-Permeability Reservoir, recovered the oil skill by cyclic water stimulation
Art, realizes that injection water is acted in the imbibition of crack and matrix pores system, reduces the oil saturation of matrix system, improve crude oil
Recovery percent of reserves.
The imbibition process of general crack-matrix pores system is：Injection water enters Fracture System, by capillary force, splits
The water of seam system enters matrix pores system by imbibition, and the mother oil displacement in matrix pores is come out.
Current imbibition experimental provision is mostly the integral experiment of core sample, does not observe how imbibition liquid enters rock core base
Matter pore system.Especially for fractured reservoir, do not observe imbibition liquid is how from Fracture System to enter matrix pores
System.
For this reason, the present inventor relies on the practical experience for being engaged in relevant industries for many years, it is proposed that a kind of crack-matrix pores system
The imbibition measuring device of system, the defects of to overcome the prior art.
Utility model content
The purpose of this utility model is to provide a kind of imbibition experimental provision of crack-matrix pores system, to observe imbibition
Liquid enters the imbibition process of matrix pores system from Fracture System.
To reach above-mentioned purpose, the utility model proposes a kind of imbibition experimental provision of crack-matrix pores system, it is wrapped
Include：Imbibition bottle with sucker is oozed for housing at least one of imbibition liquid；For housing more capillaries of crude oil, imbibition bottle with sucker is oozed arranged on described
Outside, the more capillaries are connected to and in communication with the imbibition bottle with sucker that oozes respectively.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the imbibition bottle with sucker that oozes is more for one
One end of capillary described in root is connected with the imbibition bottle with sucker that oozes, and the other end of the more capillaries is open.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the imbibition bottle with sucker that oozes is more for two
One end of capillary described in root is connected with oozing imbibition bottle with sucker described in one of them, the other end of the more capillaries with it is wherein another
A imbibition bottle with sucker that oozes connects.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, each described ooze in imbibition bottle with sucker is equipped with
One piston, the piston connect a piston rod, and the piston rod oozes imbibition bottle with sucker through described, and extends to described ooze outside imbibition bottle with sucker
Portion.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the crack-matrix pores system
Imbibition experimental provision further include：For observing the observation device of the imbibition process in the capillary, the observation device court
Capillary described in Xiang Duogen；Computer, the computer are connected by data line with the observation device.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the imbibition bottle with sucker that oozes has bottleneck,
The bottleneck is equipped with imbibition liquid bottle cap, and the capillary is connected simultaneously by being inserted into the imbibition liquid bottle cap with the imbibition bottle with sucker that oozes
Connection.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, it is described in imbibition experimentation
It is horizontal positioned to ooze imbibition bottle with sucker, the capillary water placing flat.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the more capillaries are in " one " word
Shape or the arrangement of " ten " font.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the capillary is column tube, cone
Shape pipe or bend pipe, the shape of cross section of the capillary is circular or polygon.
The imbibition experimental provision of crack-matrix pores system as described above, wherein, the internal diameter of the capillary is 1 μm
~100 μm.
The characteristics of imbibition experimental provision of the crack of the utility model-matrix pores system and advantage are：
1st, the imbibition experimental provision of the crack of the utility model-matrix pores system, using oozing imbibition bottle with sucker simulation fracture system
System, simulates matrix pores system using capillary, capillary is connected to and in communication with oozing imbibition bottle with sucker, can easily pass through capillary
Pipe observation imbibition liquid enters the imbibition process in capillary, so as to also be achieved that simulation and observe the imbibition liquid in Fracture System
Into the imbibition process of matrix pores system；
2nd, the imbibition experimental provision of the crack of the utility model-matrix pores system, by setting piston and piston rod, energy
Pressure differential between the Fracture System and matrix pores system of the actual oil reservoir of simulation, so as to more really simulate oozing for actual oil reservoir
It is drawn through journey；
3rd, the imbibition experimental provision of the crack of the utility model-matrix pores system, by setting observation device and calculating
Machine, observation device can amplify and record the imbibition phenomena inside capillary, and computer can gather what observation device was observed
The information such as picture or video, possesses picture or video information process and the function of output.
Brief description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
Enclose.Wherein：
Fig. 1 is the schematic diagram of an embodiment of the imbibition experimental provision of the crack-matrix pores system of the utility model；
Fig. 2 is the experimental state of an embodiment of the imbibition experimental provision of the crack-matrix pores system of the utility model
Schematic diagram；
Fig. 3 is the schematic diagram of another embodiment of the imbibition experimental provision of the crack-matrix pores system of the utility model；
Fig. 4 is the experiment shape of another embodiment of the imbibition experimental provision of the crack-matrix pores system of the utility model
State schematic diagram；
Fig. 5 is the front view of one embodiment of capillary in the utility model；
Fig. 6 is the front view of second embodiment of capillary in the utility model；
Fig. 7 is the front view of the 3rd embodiment of capillary in the utility model；
Fig. 8 is the front view of the 4th embodiment of capillary in the utility model；
Fig. 9 is the side view of the 5th embodiment of capillary in the utility model；
Figure 10 is the side view of the 6th embodiment of capillary in the utility model.
Main element label declaration：
1 capillary
2 imbibition liquid bottle caps
3 ooze imbibition bottle with sucker
4 pistons
5 piston rods
6 observation devices
7 computers
8 data lines
Embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control brief description of the drawings
Specific embodiment of the present utility model.
As shown in Figure 1, the utility model provides a kind of imbibition experimental provision of crack-matrix pores system, it includes using
At least one in accommodating imbibition liquid oozes imbibition bottle with sucker 3 and more capillaries 1 for housing crude oil, oozes imbibition bottle with sucker 3 and is used to simulate
Fracture System, capillary 1 are used to simulate matrix pores system, and imbibition liquid is, for example, water；
More capillaries 1 are connected to and in communication with oozing imbibition bottle with sucker 3 respectively, so that the imbibition liquid energy oozed in imbibition bottle with sucker 3 enters hair
Displacement crude oil in tubule 1.
The imbibition experimental provision of the utility model, using 3 simulation fracture system of imbibition bottle with sucker is oozed, base is simulated using capillary 1
Matter pore system, capillary 1 is connected to and in communication with oozing imbibition bottle with sucker 3, easily can ooze imbibition bottle with sucker 3 through the observation of capillary 1
Interior imbibition liquid enters the imbibition process in capillary 1, so as to also be achieved that simulation and observe the imbibition liquid in Fracture System
Into the imbibition process of matrix pores system.
As shown in Figure 1 and Figure 2, in a specific embodiment, ooze imbibition bottle with sucker 3 for one, one end of more capillaries 1 with
Imbibition bottle with sucker 3 is oozed to connect, the other ends of more capillaries 1 is open, ooze imbibition liquid energy in imbibition bottle with sucker 3 from one end of capillary 1 into
Enter displacement crude oil in capillary 1.
The imbibition experimental provision of the present embodiment, it is Fracture System that can simulate side, and opposite side is matrix pores system
Imbibition is tested, when so as to observe side being Fracture System, the imbibition phenomena inside capillary 1.
As shown in Figure 3, Figure 4, in another specific embodiment, it is two to ooze imbibition bottle with sucker 3, one end of more capillaries 1
Imbibition bottle with sucker 3 is oozed with one of them to be connected, the other end and the other in which of more capillaries 1 are oozed imbibition bottle with sucker 3 and be connected, two imbibitions
Imbibition liquid energy in liquid bottle 3 enters displacement crude oil in capillary 1 from the both ends of capillary 1 respectively.
The imbibition experimental provision of the present embodiment, it is Fracture System that can simulate both sides, and centre is oozing for matrix pores system
Experiment is inhaled, when so as to observe both sides being all Fracture System, the imbibition phenomena inside capillary 1.
Further, oozing imbibition bottle with sucker 3 has bottleneck, and bottleneck is equipped with imbibition liquid bottle cap 2, and capillary 1 oozes imbibition bottle with sucker by insertion
It is connected to and in communication with lid 2 with oozing imbibition bottle with sucker 3.When it is one to ooze imbibition bottle with sucker 3, one end of capillary 1 is oozed on imbibition bottle with sucker 3 with this
2 grafting of imbibition liquid bottle cap；When it is two to ooze imbibition bottle with sucker 3, two, which ooze imbibition bottle with sucker 3, is oppositely arranged, and more capillaries 1 are located at two imbibitions
Between liquid bottle 3,2 grafting of imbibition liquid bottle cap on imbibition bottle with sucker 3 is oozed in one end of more capillaries 1 with wherein one, more capillaries 1
The other end and wherein another 2 grafting of imbibition liquid bottle cap oozed on imbibition bottle with sucker 3.
Specifically, imbibition liquid bottle cap 2 is equipped with multiple eyelets (not shown), and more capillaries 1 are inserted into multiple holes respectively
Intraocular, to be connected with the inside for oozing imbibition bottle with sucker 3.
Further, it is rotation fastening structure to ooze imbibition bottle with sucker 3 and the junction of imbibition liquid bottle cap 2, consequently facilitating imbibition liquid
Bottle cap 2 and the dismounting for oozing imbibition bottle with sucker 3.It is connected for example, oozing imbibition bottle with sucker 3 with imbibition liquid bottle cap 2 by thread seal.
As shown in Figure 2, Figure 4 shows, further, in imbibition experimentation, ooze that imbibition bottle with sucker 3 is horizontal positioned, and 1 level of capillary is put
Put, not only can guarantee that accurate measurement, moreover it is possible to avoid the influence of gravity.
Further, more capillaries 1 are arranged in linear type or " ten " font, in order to observe in single capillary 1
Imbibition phenomena, but the utility model is not limited thereto, and more capillaries 1 can also be arranged as other forms, as long as convenient see
Examine the imbibition phenomena in single capillary 1.
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, further, capillary 1 is column tube (such as cylindrical or prismatic), taper
Pipe (such as cone or pyramid) or bend pipe (alternatively referred to as curved tube), wherein prismatic such as, but not limited to triangular prism shaped, rib
Taper is such as, but not limited to triangular pyramid, and as shown in Figure 9, Figure 10, cross section (i.e. section) shape of capillary 1 is circular or more
Side shape, wherein polygon are such as, but not limited to rectangle, triangle.The shape of more capillaries 1 can be identical, can also respectively not
Together, acceptable part is identical, part is different.
Further, the internal diameter of capillary 1 is 1 μm~100 μm, and the internal diameter of more capillaries 1 can be equal, can also distinguish
Unequal, the internal diameter of single capillary 1 can be fixed or even variation or non-uniform change, single capillary
The inner surface contour of pipe 1 can be distortion.The length of capillary 1 is, for example, 15cm~20cm.
Further, capillary 1 is transparent pipe, and the material of capillary 1 can be transparent glass or suprasil.
Further, the internal diameter for oozing imbibition bottle with sucker 3 is 8cm~12cm, and length is 15cm~20cm.
Further, the outer wall for oozing imbibition bottle with sucker 3 is equipped with volume markings line (not shown), volume markings line be located at bottom of bottle with
Between bottleneck, the minimum scale unit of volume markings line is 0.1ml.
Further, it is clear vial to ooze imbibition bottle with sucker 3, and the material for oozing imbibition bottle with sucker 3 is, for example, transparent glass or transparent plastic, imbibition
The shape of liquid bottle 3 is, for example, cylinder or cone.
Further, imbibition liquid bottle cap 2 is transparency cover, and the material of imbibition liquid bottle cap 2 is, for example, transparent plastic, imbibition liquid bottle cap
2 shape is, for example, circle.
As shown in Figure 1, Figure 3, in a preferred embodiment, each oozing can be towards capillary 1 equipped with one in imbibition bottle with sucker 3
The piston 4 of slip, piston 4 for example connect a piston rod 5 positioned at the bottom of bottle for oozing imbibition bottle with sucker 1, each piston 4, and piston rod 5 passes through institute
Ooze the bottom of bottle of imbibition bottle with sucker 3, and extend to this and ooze outside imbibition bottle with sucker 3.When it is one to ooze imbibition bottle with sucker 3, piston 4 and piston rod
5 be one (as shown in Figure 1)；When it is two to ooze imbibition bottle with sucker 3, piston 4 and piston rod 5 are two (as shown in Figure 3).
The imbibition experimental provision of the present embodiment in experimentation, passes through piston rod 5 due to setting piston 4 and piston rod 5
Apply thrust to piston 4, piston 4 and then apply pressure to the imbibition liquid that oozes in imbibition bottle with sucker 3, the crack system of actual oil reservoir can be simulated
Pressure differential between system and matrix pores system, so that the imbibition process of the more real actual oil reservoir of simulation.
Wherein, piston rod 5 positioned at the one end for oozing outside imbibition bottle with sucker 3 can also connect driving device, with by machinery to work
Stopper rod 5 and piston 4 apply thrust, it is of course also possible to be not connected to driving device, but are applied by manpower to piston rod 5 and piston 4
Add thrust.
In an embodiment as illustrated in figure 2, the imbibition experimental provision of crack-matrix pores system is further included for observing hair
The observation device 6 and computer 7 of imbibition process in tubule 1, observation device 12 is towards more capillaries 1, in order to see
Examine, observation device 6 is for example positioned at the lateral of more capillaries 1, so as to the imbibition process in whole observation capillary 1；Observation dress
It is, for example, magnifying glass or microscope to put 6, can amplify and record the imbibition phenomena in capillary 1；
Computer 7 is connected by data line 8 with observation device 6, observation device 6 can by imbibition phenomena with picture or
The information of video is sent to computer 7, facilitates researcher to observe imbibition phenomena.
In the present embodiment, device 6 is observed by setting, can amplify and record the imbibition phenomena inside capillary 1, and will
Imbibition phenomena is sent to computer 7 with the information of picture or video, facilitates researcher to observe imbibition phenomena；Calculated by setting
Machine 7, can gather picture or the information such as video that observation device 6 is observed, possess picture or video information process and output
Function, for example the change of angle of wetting and angle of wetting can be studied on the picture of imbibition phenomena, and can be with comparative study not
With the difference of the angle of wetting of capillary 1.
When carrying out imbibition experiment using the imbibition experimental provision of the crack-matrix pores system of the utility model, operation step
Suddenly it is followed successively by：
(1) device 6 will be observed and 7 assembly and connection of computer is good, and be placed on the suitable position for being beneficial to observation imbibition phenomena,
Open observation device 6 and computer 7；
(2) by after the 1 saturation crude oil of capillary for testing needs, it is inserted on imbibition liquid bottle cap 2；It is vertical that imbibition bottle with sucker 3 will be oozed
It is (vertical) to place, by oozing the bottleneck of imbibition bottle with sucker 3, imbibition liquid is filled it up with imbibition bottle with sucker 3 to oozing, then rotation fastening imbibition liquid bottle cap
2；
(3) it is horizontal positioned that imbibition bottle with sucker 3 will be oozed, start to observe and record the imbibition phenomena in capillary 1；Meanwhile Ke Yixiang
Piston rod 5 applies thrust, simulates the Fracture System of actual oil reservoir and the pressure differential of matrix pores system.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
Enclose.Any those skilled in the art, the equivalent variations made on the premise of the design of the utility model and principle is not departed from
With modification, the scope that the utility model is protected should all be belonged to.And it should be noted that each part of the utility model simultaneously
It is not limited only to above-mentioned overall applicability, each technical characteristic described in the specification of the utility model can be selected according to being actually needed
One individually uses or selects the multinomial use that combines, and therefore, the utility model covers in the nature of things to be invented with this case
The related other combinations of point and concrete application.
Claims (10)
1. the imbibition experimental provision of a kind of crack-matrix pores system, it is characterised in that the crack-matrix pores system
Imbibition experimental provision includes：
Imbibition bottle with sucker is oozed for housing at least one of imbibition liquid；
For housing more capillaries of crude oil, oozed arranged on described outside imbibition bottle with sucker, the more capillaries are oozed with described respectively
Imbibition bottle with sucker is connected to and in communication with.
2. the imbibition experimental provision of crack as claimed in claim 1-matrix pores system, it is characterised in that the imbibition liquid
Bottle is one, and one end of the more capillaries is connected with the imbibition bottle with sucker that oozes, and the other end of the more capillaries is open.
3. the imbibition experimental provision of crack as claimed in claim 2-matrix pores system, it is characterised in that the imbibition liquid
Bottle is two, and one end of the more capillaries is connected with oozing imbibition bottle with sucker described in one of them, more capillaries it is another
End is connected with oozing imbibition bottle with sucker described in other in which.
4. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that every
A described ooze is equipped with a piston in imbibition bottle with sucker, the piston connects a piston rod, and the piston rod oozes imbibition bottle with sucker through described, and
Extend to described ooze outside imbibition bottle with sucker.
5. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that institute
The imbibition experimental provision for stating crack-matrix pores system further includes：
For observing the observation device of the imbibition process in the capillary, the device of observing is towards the more capillaries；
Computer, the computer are connected by data line with the observation device.
6. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that institute
State and ooze imbibition bottle with sucker there is bottleneck, the bottleneck is equipped with imbibition liquid bottle cap, and the capillary is by being inserted into the imbibition liquid bottle cap
It is connected to and in communication with the imbibition bottle with sucker that oozes.
7. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that
In imbibition experimentation, the imbibition bottle with sucker that oozes is horizontal positioned, the capillary water placing flat.
8. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that more
Capillary described in root is arranged in linear type or " ten " font.
9. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that institute
It is column tube, conical pipe or bend pipe to state capillary, and the shape of cross section of the capillary is circular or polygon.
10. such as the imbibition experimental provision of claims 1 to 3 any one of them crack-matrix pores system, it is characterised in that
The internal diameter of the capillary is 1 μm~100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157099.1U CN207315368U (en) | 2017-09-11 | 2017-09-11 | A kind of imbibition experimental provision of crack-matrix pores system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157099.1U CN207315368U (en) | 2017-09-11 | 2017-09-11 | A kind of imbibition experimental provision of crack-matrix pores system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315368U true CN207315368U (en) | 2018-05-04 |
Family
ID=62385932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721157099.1U Active CN207315368U (en) | 2017-09-11 | 2017-09-11 | A kind of imbibition experimental provision of crack-matrix pores system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454126A (en) * | 2019-08-28 | 2019-11-15 | 西南石油大学 | Imbibition, which is recovered the oil, uses imbibition agent evaluation experimental device and method |
| CN113404470A (en) * | 2020-03-16 | 2021-09-17 | 中国石油化工股份有限公司 | Physical model of fractured tight oil reservoir, recovery ratio calculation system and method |
-
2017
- 2017-09-11 CN CN201721157099.1U patent/CN207315368U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454126A (en) * | 2019-08-28 | 2019-11-15 | 西南石油大学 | Imbibition, which is recovered the oil, uses imbibition agent evaluation experimental device and method |
| CN113404470A (en) * | 2020-03-16 | 2021-09-17 | 中国石油化工股份有限公司 | Physical model of fractured tight oil reservoir, recovery ratio calculation system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207315368U (en) | A kind of imbibition experimental provision of crack-matrix pores system | |
| CN102704911B (en) | A kind of multilateral well experimental model, system and back-up sand method | |
| CN205719853U (en) | A kind of experiment device for teaching measuring gas standard specific volume | |
| CN105021418A (en) | Shield excavation face model suitable for soil engineeringcentrifugal model test and simulation method | |
| CN104655701B (en) | Pb2+ selective microelectrode applied to non-invasive micrometric system | |
| CN104749023A (en) | Testing device and testing method for simulating hydrodynamic pressure action in rock fracture | |
| CN205620387U (en) | Spontaneous imbibition displacement of reservoir oil measuring device of rock core | |
| CN202718673U (en) | Visual physical simulation device for bottom-water reservoirs | |
| CN102720479B (en) | For the physical simulating device of gas cap reservoir | |
| Knoblauch et al. | Pico gauges for minimally invasive intracellular hydrostatic pressure measurements | |
| CN108412472A (en) | Fractured-cavernous carbonate reservoir solid note adopts model, simulation system and experimental method | |
| CN106703777A (en) | Experimental facility for integrity of fractured horizontal shaft | |
| CN102183434A (en) | Soil water potential quick-test instrument and test method thereof | |
| CN107144515A (en) | Imbibition experimental provision and its method | |
| CN102607760A (en) | Direct measurement device for unsteady state force of loading and fixing particle swarm of shock wave | |
| CN204855321U (en) | Test instrument is titrated to big pipe diameter | |
| CN207318301U (en) | It is a kind of to simulate capillary force and the imbibition experimental provision of buoyancy | |
| CN205620277U (en) | Novel spontaneous displacement of reservoir oil of rock core is measured device | |
| CN105929461A (en) | Dynamic and static rock mechanical parameter correction system | |
| CN205314989U (en) | It plans experimental apparatus to be applicable to deep well high temperature fluid slug well completion well tube formwork | |
| CN107024575B (en) | Test device and test method for simulating ground surface deformation caused by full-section tunnel construction | |
| CN111521543B (en) | Compact reservoir core static pressurization visual imbibition experimental method | |
| CN107008515A (en) | A kind of laboratory reextraction separatory funnel | |
| CN209821099U (en) | Multifunctional compact gas reservoir dynamic parameter joint measurement device based on nuclear magnetic resonance | |
| CN206848131U (en) | Imbibition experimental provision and its system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |