CN209745965U - Visual rock core holder with pH registration - Google Patents
Visual rock core holder with pH registration Download PDFInfo
- Publication number
- CN209745965U CN209745965U CN201920165303.7U CN201920165303U CN209745965U CN 209745965 U CN209745965 U CN 209745965U CN 201920165303 U CN201920165303 U CN 201920165303U CN 209745965 U CN209745965 U CN 209745965U
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- CN
- China
- Prior art keywords
- holder
- value
- injection liquid
- pressure
- rock core
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- Expired - Fee Related
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Abstract
The utility model provides a visual rock core holder with pH registration, the utility model discloses mainly constitute by injection liquid import, holder support, import pH value instrumentation, pressure release mouth, confined pressure entry, valve, export pH value instrumentation, holder support, injection liquid export, holder barrel. The operation condition of the experiment can be observed at any time through the holder cylinder made of the transparent pressure-resistant material; according to a pH value detection instrument at the inlet and outlet of the injection liquid, the pH value of the injection liquid before and after flowing through the rock core can be accurately obtained; the on-off state of the confining pressure inlet and the pressure relief port and the opening and closing state of the holder cylinder body can be switched by adjusting the three-way valve. The utility model discloses compact structure, convenient operation has the injected liquid and imports and exports functions such as pH value electronic display and experimentation visual.
Description
Technical Field
The utility model belongs to the technical field of the indoor experiment of rock, especially, relate to a visual rock core holder with pH registration.
Background
In geological exploration and related development research of petroleum and natural gas, the core holder is an essential auxiliary component for laboratory determination of rock sample seepage characteristics or displacement test, and has the main functions of placing a rock sample to be tested or tested into the core holder and ensuring that the side surface of the rock sample can be completely sealed when a test fluid passes through the front end and the rear end of the core sample. The core holder has single purpose, and is mainly used for holding and stabilizing a core, controlling various simulated formation parameters and forming a closed space, completing tests of various simulated environments and obtaining test parameters. At present, most of core holders are metal shells, and the operation condition in the cavity of the holder cannot be observed in the experimental process. In addition, the residual injection liquid used before remains on the inner walls of the infusion tube and the pump, and the residual injection liquid influences the pH value of the injection liquid flowing into and out of the rock core in the experiment. Therefore, the change of the pH before and after the core flow cannot be accurately obtained according to the pH values of the injection liquid measured before and after the experiment, and the experiment result may be affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a visual rock core holder with pH registration, the utility model discloses have functions such as injection liquid imports and exports pH value electronic display and experimentation visualization, technical scheme that can realize as follows:
the utility model discloses the major constituent parts contain: the device comprises an injection liquid inlet, a holder support, an inlet pH value detection instrument, a pressure relief opening, a confining pressure inlet, a valve, an outlet pH value detection instrument, a holder support, an injection liquid outlet and a holder barrel. The holder cylinder is made of transparent pressure-resistant materials, and the operation condition in the holder can be observed; the holder supports on the two sides are respectively provided with a pH value detection instrument for detecting the pH value of the injection liquid at the inlet and the outlet; the valve is a three-way valve and is used for controlling the on-off state switching of the confining pressure inlet and the pressure relief port and the clamp holder cylinder respectively.
The utility model has the advantages that: the structure is compact, the operation is convenient, and the experimental operation condition can be observed at any time through the holder cylinder made of the transparent pressure-resistant material; according to the pH value detecting instrument at the inlet and the outlet, the pH value of the injection liquid before and after flowing through the rock core can be accurately obtained.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a visual core holder with pH indication
Reference numerals in the drawings denote the respective
Injection liquid inlet 1
Holder support 2
Import pH value detecting instrument 3
Pressure relief port 4
Confining pressure inlet 5
Valve 6
Outlet pH value detecting instrument 7
Gripper seat 8
Injection liquid outlet 9
Gripper cylinder 10
Core 11
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The utility model discloses mainly constitute by injection liquid import, holder support, import pH value instrumentation, pressure release mouth, confined pressure entry, valve, export pH value instrumentation, holder support, injection liquid export, holder barrel. The injection liquid flows into the core holder from the injection liquid inlet, and flows out from the injection liquid outlet after flowing through the core; an inlet pH value detection instrument and an outlet pH value detection instrument which are arranged on the supports of the holders on the two sides respectively detect and display the pH values of the injection liquid before and after flowing through the rock core; if the joint of the confining pressure inlet and the three-way valve is in an open state and the joint of the pressure relief port and the three-way valve is in a closed state, required experimental pressure can be provided for the interior of the rock core holder; and when the experiment is finished, opening the joint of the three-way valve and the pressure relief port to restore the internal part of the rock core holder to a normal pressure or low pressure state.
Claims (2)
1. A visual rock core holder with pH registration is characterized in that: visual rock core holder with pH registration comprises injected liquid import (1), holder support (2), import pH value instrumentation (3), pressure release mouth (4), confined pressure entry (5), valve (6), export pH value instrumentation (7), holder support (8), injected liquid export (9), holder barrel (10) is made by transparent withstand voltage material, import pH value instrumentation (3) are installed on holder support (2), export pH value instrumentation (7) are installed on holder support (8) for detect the pH value of injected liquid.
2. A visual core holder with pH indication according to claim 1, wherein: the valve (6) is a three-way valve and is used for controlling the on-off state switching of the confining pressure inlet (5) and the pressure relief port (4) and the clamp holder cylinder (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920165303.7U CN209745965U (en) | 2019-01-30 | 2019-01-30 | Visual rock core holder with pH registration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920165303.7U CN209745965U (en) | 2019-01-30 | 2019-01-30 | Visual rock core holder with pH registration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745965U true CN209745965U (en) | 2019-12-06 |
Family
ID=68708381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920165303.7U Expired - Fee Related CN209745965U (en) | 2019-01-30 | 2019-01-30 | Visual rock core holder with pH registration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230176029A1 (en) * | 2021-12-08 | 2023-06-08 | Saudi Arabian Oil Company | Dynamic in-situ measurement of calcium ion concentration in porous media experiments |
| US11692990B1 (en) * | 2022-01-25 | 2023-07-04 | Saudi Arabian Oil Company | PH monitoring in porous media during waterflooding experiments |
-
2019
- 2019-01-30 CN CN201920165303.7U patent/CN209745965U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230176029A1 (en) * | 2021-12-08 | 2023-06-08 | Saudi Arabian Oil Company | Dynamic in-situ measurement of calcium ion concentration in porous media experiments |
| US11692990B1 (en) * | 2022-01-25 | 2023-07-04 | Saudi Arabian Oil Company | PH monitoring in porous media during waterflooding experiments |
| US20230236164A1 (en) * | 2022-01-25 | 2023-07-27 | Saudi Arabian Oil Company | Ph monitoring in porous media during waterflooding experiments |
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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: 20191206 Termination date: 20210130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |