CN206497006U - A kind of oily saline contacts angle measuring system based on CT scan - Google Patents
A kind of oily saline contacts angle measuring system based on CT scan Download PDFInfo
- Publication number
- CN206497006U CN206497006U CN201720196592.8U CN201720196592U CN206497006U CN 206497006 U CN206497006 U CN 206497006U CN 201720196592 U CN201720196592 U CN 201720196592U CN 206497006 U CN206497006 U CN 206497006U
- Authority
- CN
- China
- Prior art keywords
- injection pump
- valve
- pump
- oil
- scan
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of oily saline contacts angle measuring system based on CT scan, including the first water pot, injection pump, and the entrance of injection pump is connected with the first water pot；One end of salt solution injection pump is connected with the outlet of water pump by flexible pipe, and the other end is connected with the entrance of core holding unit；One end of oil phase injection pump is connected with the outlet of water pump by flexible pipe, and the other end is connected with the entrance of core holding unit；Core holding unit is internally provided with rock core, and x-ray source is used to scan rock core, and signal receiver is connected with x-ray source；Confined pressure pump is connected with the confined pressure mouthful of core holding unit；Capillary meter, is connected with the port of export of core holding unit；Backpressure pump is connected with capillary meter；Second water pot, is connected with backpressure pump；Confined pressure pump, is connected with the second water pot.The measurement to water-oil phase contact angle can be realized.
Description
Technical field
The utility model is on petroleum works technical field, especially with regard to the e measurement technology in petroleum works field, specifically
Say it is a kind of oil based on CT scan-saline contacts angle measuring system.
Background technology
With the increasingly exploitation in oil field, oil field integrally enters High water cut period, and oil recovery efficiency increasingly declines.Therefore, it is clear
Understand reservoir characteristics, raising oil recovery factor extremely urgent.Reservoir rockses are during long-term water drive, pore structure, wall
The change of chemical property and interfacial tension, causes the wetability of oil reservoir to change.And the capillary force in the porous media of stratum and
Relative permeability is largely influenceed by angle of wetting, and they are the extremely important ginsengs of flow performance in control multiphase flow
Number.Therefore, how accurate actual measurement water-oil phase contact angle, harvested for research oil reservoir pore media characteristic and improving
The development of rate technology is significant.
The influence factor of water-oil phase contact angle is a lot, such as temperature, pressure, mineral composition, fluid composition and rock table
Surface roughness etc..The measuring system of traditional oil-salt solution-rock system contact angle has the following disadvantages：
(1), measuring point is simple and single, and data are rare, conclusion disunity；
(2), experiment does not consider surface roughness, the mineral group of actual rock using preferable lubricious material or artificial material
Into the factor such as diversity and heterogeneity of pore structure；
(3), most systems carry out Contact-angle measurement under normal temperature and pressure conditionses, fail to consider oil reservoir HTHP bar
Part；
(4), once experiment can only measure a contact angle, and experimentation is complicated, and experimental provision requirement condition is high, and measurement is missed
It is poor big.
Therefore, a kind of new measuring system how is researched and developed out, it can more accurately measure water-oil phase contact
Angle, integrally enters High water cut period, oil recovery efficiency, which increasingly declines, seems particularly urgent under present situation in oil field.
Utility model content
In order to overcome traditional oils-brine system Contact-angle measurement system limitation with it is not enough, the utility model proposes
A kind of oil based on CT scan-saline contacts angle measuring system, it is possible to achieve the measurement to water-oil phase contact angle.
The purpose of this utility model is to provide a kind of oil based on CT scan-saline contacts angle measuring system equipment, described
Oil based on CT scan-saline contacts angle measuring system includes：
First water pot 1；
Injection pump 2, the entrance of the injection pump 2 is connected with first water pot 1；
Salt solution injection pump 4, one end of the salt solution injection pump 4 is connected with the outlet of the injection pump 2 by flexible pipe, separately
One end is connected with the entrance of a core holding unit 6；
Oil phase injection pump 3, one end of the oil phase injection pump 3 is connected with the outlet of the injection pump 2 by flexible pipe, separately
One end is connected with the entrance of a core holding unit 6；
The core holding unit 6 is internally provided with rock core 7, and an x-ray source 5 is used to scan the rock core 7, and a signal is received
Device 9 is connected with the x-ray source 5；
Confined pressure pump 12, is connected with the confined pressure mouthful of the core holding unit 6；
Capillary meter 8, is connected with the port of export of the core holding unit 6；
Backpressure pump 10, is connected with the capillary meter 8；
Second water pot 11, is connected with the backpressure pump 10；
The confined pressure pump 12, is also connected with second water pot 11.
In preferred embodiment of the present utility model, the oil based on the CT scan-saline contacts angle measuring system is also
Including CT objective tables, the core holding unit 6 is positioned on the CT objective tables.
In preferred embodiment of the present utility model, the x-ray source 5 is positioned over the CT objective tables.
In preferred embodiment of the present utility model, the signal receiver 9 is flat receiver.
In preferred embodiment of the present utility model, the oil based on the CT scan-saline contacts angle measuring system is also
Including display 13, it is connected with the signal receiver 9.
In preferred embodiment of the present utility model, mass fraction is provided with the salt solution injection pump 4 for 8% iodate
The salt solution of potassium
In preferred embodiment of the present utility model, dyeing kerosene is provided with the oil phase injection pump 3.
In preferred embodiment of the present utility model, the oil based on the CT scan-saline contacts angle measuring system is also
Including：
It is arranged at the first valve 14 between first water pot 1 and the injection pump 2；
It is arranged at the second valve 15 between the injection pump 2 and the salt solution injection pump 4 and oil phase injection pump 3；
It is arranged at the 3rd valve 16 between second valve 15 and the salt solution injection pump 4；
It is arranged at the 4th valve 17 between second valve 15 and the oil phase injection pump 3；
It is arranged at the 5th valve between the core holding unit 6 and the salt solution injection pump 4 and oil phase injection pump 3
20；
It is arranged at the 6th valve 18 between the 5th valve 20 and the salt solution injection pump 4；
It is arranged at the 7th valve 19 between the 5th valve 20 and the oil phase injection pump 3；
It is arranged at the 8th valve 21 between the capillary meter 8 and the backpressure pump 10；
It is arranged at the 9th valve 23 between the backpressure pump 10 and second water pot 11；
It is arranged at the tenth valve 25 between second water pot 11 and the confined pressure pump 12；
It is arranged at the 11st valve 24 between the core holding unit 6 and the confined pressure pump 12；
The 12nd valve 22 being connected with the backpressure pump 10；
The 13rd valve 26 being connected with the confined pressure pump 12.
The beneficial effects of the utility model are there is provided a kind of oil based on CT scan-saline contacts angle measuring system,
Realize measurement at a temperature of simulated formation to oil-saline contacts angle, contact angle, the rock of diverse location are measured under pore scale
Dynamic contact angle is measured under core different water cut saturation degree.
For above and other objects, features and advantages of the present utility model can be become apparent, preferable reality cited below particularly
Example is applied, and coordinates institute's accompanying drawings, is described in detail below.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of oil based on CT scan-saline contacts angle measuring system that Fig. 1 provides for the utility model embodiment shows
It is intended to；
Fig. 2 is oil-salt solution two-phase Contact-angle measurement schematic diagram after core CT scan.
Reference：
First water pot 1
Injection pump 2
Oil phase injection pump 3
Salt solution injection pump 4
X-ray source 5
Core holding unit 6
Rock core 7
Capillary meter 8
Signal receiver 9
Backpressure pump 10
Second water pot 11
State confined pressure pump 12
Display 13
First valve 14
Second valve 15
3rd valve 16
4th valve 17
6th valve 18
7th valve 19
5th valve 20
8th valve 21
12nd valve 22
9th valve 23
11st valve 24
Tenth valve 25
13rd valve 26
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In recent years, CT technologies make accurately to obtain pore structure and its fluid finally in the extensive use in petroleum works field
The two dimension or three-dimensional information image of distribution become possibility., can be with by the extraction and the separation of each phase fluid of pore structure
The contact angle of accurate measurement oil-salt solution-rock system.
A kind of oil based on CT scan-saline contacts angle measuring system that Fig. 1 provides for the utility model embodiment shows
It is intended to, referring to Fig. 1, the system includes：
First water pot 1；
Injection pump 2, the entrance of the injection pump 2 is connected with first water pot 1；
Salt solution injection pump 4, one end of the salt solution injection pump 4 is connected with the outlet of the injection pump 2 by flexible pipe, separately
One end is connected with the entrance of a core holding unit 6；
Oil phase injection pump 3, one end of the oil phase injection pump 3 is connected with the outlet of the injection pump 2 by flexible pipe, separately
One end is connected with the entrance of a core holding unit 6；
The core holding unit 6 is internally provided with rock core 7, and an x-ray source 5 is used to scan the rock core 7, and a signal is received
Device 9 is connected with the x-ray source 5.In other embodiment of the present utility model, the system may also include CT objective tables,
The core holding unit 6 is positioned on the CT objective tables, and the x-ray source 5 is positioned over the CT objective tables.Adjustable X is penetrated
The distance of line source 5 and core 7, to ensure the definition and resolution ratio of scan image.In a particular embodiment, the signal
Receiver 9 is flat receiver.X ray source scanning rock core 7, the intensity of ray can be reduced, and different pore structures can be caused
Different degrees of intensity decreases, therefore flat receiver can receive a series of intensity levels.
Confined pressure pump 12, is connected with the confined pressure mouthful of the core holding unit 6；
Capillary meter 8, is connected with the port of export of the core holding unit 6；
Backpressure pump 10, is connected with the capillary meter 8；
Second water pot 11, is connected with the backpressure pump 10；
The confined pressure pump 12, is also connected with second water pot 11.
In other embodiment of the present utility model, the system also includes display 13, with the phase of signal receiver 9
Connection.In a particular embodiment, the signal receiver 9 is flat receiver.X ray source scanning rock core 7, ray it is strong
Degree can be reduced, and different pore structures can cause different degrees of intensity decreases, therefore flat receiver can receive one and be
Big powers' angle value.Display shows different intensity levels by accompanying drawing, the contact angle of visible oil-salt solution from accompanying drawing.
, subsequently can also be by the more accurate concrete numerical value that contact angle is measured from accompanying drawing of other instruments in other embodiment.
In other embodiment of the present utility model, mass fraction is provided with the salt solution injection pump 4 for 8% iodate
Dyeing kerosene is provided with the salt solution of potassium, the oil phase injection pump 3.
In other embodiment of the present utility model, the oil based on the CT scan-saline contacts angle measuring system is also
Including：
It is arranged at the first valve 14 between first water pot 1 and the injection pump 2；
It is arranged at the second valve 15 between the injection pump 2 and the salt solution injection pump 4 and oil phase injection pump 3；
It is arranged at the 3rd valve 16 between second valve 15 and the salt solution injection pump 4；
It is arranged at the 4th valve 17 between second valve 15 and the oil phase injection pump 3；
It is arranged at the 5th valve between the core holding unit 6 and the salt solution injection pump 4 and oil phase injection pump 3
20；
It is arranged at the 6th valve 18 between the 5th valve 20 and the salt solution injection pump 4；
It is arranged at the 7th valve 19 between the 5th valve 20 and the oil phase injection pump 3；
It is arranged at the 8th valve 21 between the capillary meter 8 and the backpressure pump 10；
It is arranged at the 9th valve 23 between the backpressure pump 10 and second water pot 11；
It is arranged at the tenth valve 25 between second water pot 11 and the confined pressure pump 12；
It is arranged at the 11st valve 24 between the core holding unit 6 and the confined pressure pump 12；
The 12nd valve 22 being connected with the backpressure pump 10；
The 13rd valve 26 being connected with the confined pressure pump 12.
Cut-offfing between all parts can be controlled by above-mentioned multiple valves.Wherein the 12nd valve 22, the 13rd valve
Door 26 is used for draining.
The workflow of the oil based on CT scan-saline contacts angle measuring system of the utility model offer is provided
Journey.In this embodiment, the salt solution is the salt solution that mass fraction is 8% KI.The oil phase is dyeing kerosene, tool
Body working condition requirement can be configured according to different usage scenarios.
1. core 7 is vacuumized, saturated brine, specific working condition requirement is forced into, static 24 hours, makes the tentatively quilt of core 7
The abundant saturation of salt solution.
2. core 7 is loaded into rock core fastener 6, the first water pot 1 is connected with the entrance of injection pump 2.Salt solution injection pump 4 and oil
Outlet of the one end of phase injection pump 3 all with injection pump 2 is connected, and entrance of the other end all with rock core fastener 6 is connected.Core is clamped
The port of export of device 6 accesses backpressure pump 10 after being connected with capillary meter 8, the confined pressure mouthful of rock core fastener 6 passes through with confined pressure pump 12
Flexible line is connected, and backpressure pump 10 and confined pressure pump 12 are connected with water pot 11, and check the air-tightness of whole device, and in discharge pipe
Air.
3. whole rock core fastener 6 is disposed vertically on CT objective tables, adjustment x-ray source 5 and the axis of core 7 away from
From to ensure the definition and resolution ratio of scan image, signal receiver 9 is connected with display 13.
4. starting injection pump 2, the salt solution of 100 times of pore volumes is injected by middle oil phase injection pump 3, it is ensured that the quilt of core 7
The saturation of salt solution 100%, temperature and pressure is slowly increased to specific working condition requirement for rock core fastener 6, and the logical He of backpressure pump 10
Confined pressure pump 12 sets appropriate back pressure and confined pressure, stands 24 hours, makes to reach under saturation state between salt solution and voiding particle surface
Chemical balance.
5. carry out the measurement of oil-salt solution biphase equilibrium contact angle：Start injection pump 2, while opening salt solution injection pump 4 and oil
Phase injection pump 3, it is ensured that flow velocity is relatively low and equal, makes capillary number be no more than 10-6, while injecting the salt solution and 10 of 10 times of pore volumes
The oil of times pore volume, stands 12 hours, then carries out CT 3-D scannings.
6. carry out the measurement of contact angle during saturated oils：Start injection pump 2, open oil phase injection pump 3, ensure hollow billet
Number is no more than 10-6When, to be injected separately into the oil for reaching 1 times, 5 times, 10 times, 20 times pore volume compared with low discharge, carry out CT tri-
Dimension scanning.
7. carry out the measurement of contact angle during saturated brine：Start injection pump 2, open salt solution injection pump 4, it is ensured that hollow billet
Number is no more than 10-6, to be injected separately into compared with low discharge during the salt solution for reaching 1 times, 5 times, 10 times, 20 times pore volume, carry out CT
3-D scanning.Oil phase now exists in hole so that last phase state is attached.
After 8.CT scannings, what step 5 was obtained is oil-salt solution biphase equilibrium contact angle.When core is hydrophilic, step 6 is obtained
Be that oil-salt solution retreats equilibrium contact angle, what step 7 was obtained is oil-salt solution advancing contact angle；When core oleophylic, step 6
To be oil-salt solution advance equilibrium contact angle, what step 7 was obtained is oil-salt water receding contact angle.
9. the oil that can be obtained using display with step display 5-salt solution biphase equilibrium contact angle, when core is hydrophilic, is shown
Show that oil-salt solution that step 6 is obtained retreats equilibrium contact angle, the oil that step 7 is obtained-salt solution advancing contact angle.When core oleophylic,
The oil that step display 6 is obtained-salt solution advance equilibrium contact angle, the oil that step 7 is obtained-salt water receding contact angle.As shown in Fig. 2
For oil after core CT scan-salt solution two-phase Contact-angle measurement schematic diagram.
The follow-up data that during actual use, can also be obtained using computer to CT scan carry out image weight
Build, after adjustment contrast and filter processing, can both obtain oil-brine distribution shape of core pore structure and diverse location
State, so as to be measured to oily salt solution two-phase contact angle.
In summary, the utility model proposes a kind of oil based on CT scan-saline contacts angle measuring system, Ke Yi
Original position measures to oil-salt solution two-phase contact angle, and uses day in hole under conditions of simulated formation HTHP
Right core, it is contemplated that the influence to oil-salt solution two-phase contact angle such as hole wall anisotropism, mineral composition and roughness,
Oil-salt solution two-phase contact angle under core different water cut saturation degree, and same water saturation under single pass can be measured
The contact angle of multiple positions can be measured down, measurement data is more, the degree of accuracy is high, measurement data can have directly as hole rank
The parameter input of the first numerical simulation of limit.Realize measurement at a temperature of simulated formation to oil-saline contacts angle, under pore scale
Measure and measure dynamic contact angle under the contact angle of diverse location, core different water cut saturation degree.
The beneficial effects of the utility model are：
(1) X ray CT scanning technique is utilized, is realized under pore scale under the home position state of oil-salt solution
The measurement of two-phase contact angle.
(2) CT scan precision is high, and scanning range is big, and large-scale oil-brine distribution state can be obtained after single pass,
It is more time saving compared to traditional existing method so as to the measurement for the multiple oil-salt solution two-phase contact angle for carrying out diverse location
It is laborsaving and error is smaller.
(3) core is reservoir formation core, it is contemplated that the roughness of pore surface, mineral composition and pore structure are non-
The influence to oil-saline contacts angle such as matter.
(4) influence of formation temperature and pressure is considered.
(5) while measuring angle of wetting, the water saturation and oil saturation of core can be obtained.
(6) oil-salt solution two-phase contact angle under any water saturation can be measured in whole displacement process, can be measured
Equilibrium contact angle, advancing contact angle and the receding contact angle of oil-salt solution two-phase, can measure core pores in long-period water drive mistake
The change of angle of wetting in journey.
Specific embodiment is applied in the utility model to be set forth principle of the present utility model and embodiment, with
The explanation of upper embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for this area
Those skilled in the art, according to thought of the present utility model, will change in specific embodiments and applications, comprehensive
Upper described, this specification content should not be construed as to limitation of the present utility model.
Claims (8)
1. a kind of oil based on CT scan-saline contacts angle measuring system, it is characterized in that, the oil-salt solution based on CT scan
Contact-angle measurement system includes：
First water pot (1)；
Injection pump (2), the entrance of the injection pump (2) is connected with first water pot (1)；
Salt solution injection pump (4), one end of the salt solution injection pump (4) is connected with the outlet of the injection pump (2) by flexible pipe,
The other end is connected with the entrance of a core holding unit (6)；
Oil phase injection pump (3), one end of the oil phase injection pump (3) is connected with the outlet of the injection pump (2) by flexible pipe,
The other end is connected with the entrance of a core holding unit (6)；
The core holding unit (6) is internally provided with rock core (7), and an x-ray source (5) is used to scan the rock core (7), a signal
Receiver (9) is connected with the x-ray source (5)；
Confined pressure pump (12), is connected with the confined pressure mouthful of the core holding unit (6)；
Capillary meter (8), is connected with the port of export of the core holding unit (6)；
Backpressure pump (10), is connected with the capillary meter (8)；
Second water pot (11), is connected with the backpressure pump (10)；
The confined pressure pump (12), is also connected with second water pot (11).
2. the oil based on CT scan-saline contacts angle measuring system according to claim 1, it is characterized in that, it is described to be based on
The oil of CT scan-saline contacts angle measuring system also includes CT objective tables, and the core holding unit (6) is positioned over the CT loadings
On platform.
3. the oil based on CT scan-saline contacts angle measuring system according to claim 2, it is characterized in that, the X-ray
Source (5) is positioned over the CT objective tables.
4. the oil based on CT scan-saline contacts angle measuring system according to claim 3, it is characterized in that, the signal
Receiver (9) is flat receiver.
5. the oil based on CT scan-saline contacts angle measuring system according to claim 2, it is characterized in that, it is described to be based on
The oil of CT scan-saline contacts angle measuring system also includes display (13), is connected with the signal receiver (9).
6. the oil based on CT scan-saline contacts angle measuring system according to claim 5, it is characterized in that, the salt solution
The salt solution that mass fraction is 8% KI is provided with injection pump (4).
7. the oil based on CT scan-saline contacts angle measuring system according to claim 5, it is characterized in that, the oil phase
Injection pump is provided with dyeing kerosene in (3).
8. the oil based on CT scan-saline contacts angle measuring system according to claim 5, it is characterized in that, it is described to be based on
The oil of CT scan-saline contacts angle measuring system also includes：
It is arranged at the first valve (14) between first water pot (1) and the injection pump (2)；
It is arranged at the second valve between the injection pump (2) and the salt solution injection pump (4) and oil phase injection pump (3)
(15)；
It is arranged at the 3rd valve (16) between second valve (15) and the salt solution injection pump (4)；
It is arranged at the 4th valve (17) between second valve (15) and the oil phase injection pump (3)；
It is arranged at the 5th valve between the core holding unit (6) and the salt solution injection pump (4) and oil phase injection pump (3)
(20)；
It is arranged at the 6th valve (18) between the 5th valve (20) and the salt solution injection pump (4)；
It is arranged at the 7th valve (19) between the 5th valve (20) and the oil phase injection pump (3)；
It is arranged at the 8th valve (21) between the capillary meter (8) and the backpressure pump (10)；
It is arranged at the 9th valve (23) between the backpressure pump (10) and second water pot (11)；
It is arranged at the tenth valve (25) between second water pot (11) and the confined pressure pump (12)；
It is arranged at the 11st valve (24) between the core holding unit (6) and the confined pressure pump (12)；
The 12nd valve (22) being connected with the backpressure pump (10)；
The 13rd valve (26) being connected with the confined pressure pump (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196592.8U CN206497006U (en) | 2017-03-02 | 2017-03-02 | A kind of oily saline contacts angle measuring system based on CT scan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196592.8U CN206497006U (en) | 2017-03-02 | 2017-03-02 | A kind of oily saline contacts angle measuring system based on CT scan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497006U true CN206497006U (en) | 2017-09-15 |
Family
ID=59807122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720196592.8U Expired - Fee Related CN206497006U (en) | 2017-03-02 | 2017-03-02 | A kind of oily saline contacts angle measuring system based on CT scan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497006U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106969A (en) * | 2017-11-14 | 2018-06-01 | 中国石油天然气股份有限公司 | Measure experimental system and method for the pressure wave in core diffusion inside |
| CN108593501A (en) * | 2018-04-28 | 2018-09-28 | 中国石油大学(华东) | A kind of contact angle of porous media determines method and system |
| CN109186500A (en) * | 2018-09-27 | 2019-01-11 | 西安交通大学 | The contact angle acquisition methods of liquid-liquid diphase displacement image in a kind of micron capillary column |
| CN113049453A (en) * | 2021-03-15 | 2021-06-29 | 中国石油大学(北京) | In-situ wetting angle measuring device and wetting angle determining method based on deep learning |
-
2017
- 2017-03-02 CN CN201720196592.8U patent/CN206497006U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106969A (en) * | 2017-11-14 | 2018-06-01 | 中国石油天然气股份有限公司 | Measure experimental system and method for the pressure wave in core diffusion inside |
| CN108593501A (en) * | 2018-04-28 | 2018-09-28 | 中国石油大学(华东) | A kind of contact angle of porous media determines method and system |
| CN109186500A (en) * | 2018-09-27 | 2019-01-11 | 西安交通大学 | The contact angle acquisition methods of liquid-liquid diphase displacement image in a kind of micron capillary column |
| CN113049453A (en) * | 2021-03-15 | 2021-06-29 | 中国石油大学(北京) | In-situ wetting angle measuring device and wetting angle determining method based on deep learning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206497006U (en) | A kind of oily saline contacts angle measuring system based on CT scan | |
| CN106884635B (en) | Low and ultra-low permeability reservoir CO2Method for measuring minimum flooding miscible pressure | |
| CN103452543B (en) | Make method and the pressure break Horizontal Well pessimistic concurrency control of pressure break Horizontal Well pessimistic concurrency control | |
| CN104316449A (en) | Experimental method and experimental device for determinating volcanic gas-water relative permeability | |
| CN104237098A (en) | Method for measuring gradient of rock starting pressure | |
| CN105156081B (en) | A kind of carbonate rock heavy crude reservoir is acidified simulation evaluation method | |
| CN106204304B (en) | A kind of poly- determination method for driving permeability saturation curve of Conglomerate Reservoir | |
| CN105738252B (en) | The measurement method of the flowable aperture boundary of viscous crude in a kind of crack | |
| CN104792662B (en) | A kind of CO based on Microfocus X-ray X ray CT2Saline contacts angle measuring method | |
| CN103940715B (en) | The natural percolation ability analogue experiment method of rock | |
| CN105759015B (en) | A kind of device and method of on-line measurement gas injection oil volume factor and solubility | |
| CN103939091A (en) | Radial flow displacement physical model system | |
| CN104343429A (en) | Method for determining polymer flooding viscosity ratio | |
| CN105004627A (en) | Method for representing shale reservoir fracturing fluid absorption capacity | |
| CN103234971A (en) | Acidic etching instrument and operation method thereof | |
| CN103743657A (en) | Experimental determination method for passing capability of polymer gel grains in porous medium | |
| Dong | Experimental investigation for the effect of the core length on the optimum acid flux in carbonate acidizing | |
| CN109142128A (en) | A kind of Ternary composite drive well underground extraction equipment dynamic scale formation analogue experiment method and device | |
| CN107727553A (en) | A kind of viscous crude free-boundary problem and percolation law measurement apparatus and method | |
| CN108153944A (en) | A kind of stress sensitive reservoir water-producing gas well natural gas single well controlled reserves determine method | |
| CN206638560U (en) | Real time readouts igneous rock rock core oil gas relative permeability operates simple measurer | |
| CN110952980A (en) | Quantum dot tracer feeding device and fracturing horizontal well output section method | |
| CN102305752B (en) | Foam loop rheometer | |
| CN206440585U (en) | Single core permeability test device of simulated field conditions | |
| CN107064434B (en) | Device for measuring effective migration distance of air foam between wells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20190302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |