CN204402468U - Tight sand becomes to hide analogue means - Google Patents
Tight sand becomes to hide analogue means Download PDFInfo
- Publication number
- CN204402468U CN204402468U CN201420850965.5U CN201420850965U CN204402468U CN 204402468 U CN204402468 U CN 204402468U CN 201420850965 U CN201420850965 U CN 201420850965U CN 204402468 U CN204402468 U CN 204402468U
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- CN
- China
- Prior art keywords
- closed container
- tight sand
- hide
- oil
- analogue means
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Abstract
The utility model provides a kind of tight sand to become Tibetan analogue means to comprise oil pressure pump, closed container, clamping device, automatic gauging instrument and PC, described closed container upper surface is provided with oil circuit import and oil circuit outlet, be equiped with tight sand in this closed container, in described clamping device, be clamped with tight sand; Described oil pressure pump is connected with the oil circuit import on described closed container by oil pipe, and the oil circuit outlet on described closed container is connected with described clamping device, and described automatic gauging instrument one end is electrically connected with clamping device, and the other end is electrically connected with PC.The utility model structure is simple, convenient operation, oil pressure pump is utilized to provide oil pressure to closed container, by not stopping pressurization, pressure constantly increases, being transported to after oil pressure in closed container is stable adheres in device again, can the relation of quantitatively calculating pressure size and oil saturation, the data of measurement are shown in real time by the PC connected.
Description
Technical field
The utility model relates to oil-gas exploration and development technical field, is specifically related to a kind of tight sand and becomes to hide analogue means.
Background technology
Sandstone Gas Reservoir is generally the low sandstone reservoir of reservoir permeability.Different depositional environments has different HYDRODYNAMIC CHARACTERISTICS, the sand body formed differs from one another in the many-side such as granularity, sorting of petrofacies composition, thickness, inner non-homogeneity and sandstones elastic components composition, shale content, particle, and the sand body causing DIFFERENT DEPOSITIONAL ENVIRONMENTS to be formed has different primary porosities and permeability.Sandstone Gas Reservoir has complex pore structure usually, crack, the feature that intergranular pore and dissolution porosity coexist, and oil reservoir initial oil saturation is the important parameter during oil layer recognition and reserves calculate.Comparatively complicated to the calculation element of oil saturation in prior art.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and the tight sand providing a kind of structure simple, easy to operate becomes to hide analogue means.
For realizing above object, the utility model adopts following technical scheme: tight sand becomes to hide analogue means, comprise oil pressure pump, closed container, clamping device, automatic gauging instrument and PC, described closed container upper surface is provided with oil circuit import and oil circuit outlet, is equiped with tight sand in this closed container; Described oil pressure pump is connected with the oil circuit import on described closed container by oil pipe, oil circuit outlet on described closed container is connected with described clamping device, tight sand is clamped with in described clamping device, described automatic gauging instrument one end is electrically connected with described clamping device, and the other end is electrically connected with PC.
Described tight sand becomes to hide analogue means and also comprises the first pressure meter and the first stop valve, the oil circuit that described first pressure meter is arranged on described closed container exports between described clamping device, and described first stop valve is arranged between described first pressure meter and described clamping device.
Described tight sand becomes to hide analogue means and also comprises vacuum pump, and institute's vacuum pump is connected with described clamping device.
Described tight sand becomes to hide analogue means and also comprises the second pressure meter and the second stop valve, and described second pressure meter is arranged between described clamping device and described vacuum pump, and described second stop valve is arranged between described second pressure meter and described vacuum pump.
Described oil pressure pump uses kerosene or crude oil.
Described closed container is cylindric cylinder of quartz glass.
Described oil pressure pump is 5-10Mpa to the pressure that closed container provides.
In order to increase the compressive strength of closed container in the utility model, following scheme can be adopted further:
Described closed container is made up of carbon steel or stainless steel.
Described closed container inwall oiling anticorrosive coat.
Described oil pressure pump is 5-20Mpa to the pressure that closed container provides.
The utility model adopts above technical scheme, oil pressure pump provides oil pressure to closed container, by not stopping pressurization, pressure constantly increases, and is transported in clamping device again, is provided with tight sand core records instrument in this clamping device after oil pressure in closed container is stable, by the tight sand core records instrument in clamping device, observe the saturation ratio of core Crude Oil, i.e. the oil gas percentage of core in hole, can the relation of quantitatively calculating pressure size and oil saturation.The data measured are shown in real time by the PC connected.The analogue means that the utility model provides, structure is simple, convenient operation.
Accompanying drawing explanation
Fig. 1 is that the utility model tight sand becomes to hide analog meter structural representation.
In figure: 1, oil pressure pump; 2, the first pressure meter; 3, the first stop valve; 4, clamping device; 5, the second pressure meter; 6, vacuum pump; 7, PC; 8, closed container; 9, automatic gauging instrument; 10, the second stop valve; 81, oil circuit import; 82, oil circuit outlet;
Detailed description of the invention
As shown in Figure 1, the utility model provides a kind of tight sand and becomes to hide analogue means, comprise oil pressure pump 1, closed container 8, clamping device 4, automatic gauging instrument 9 and PC 7, described closed container 8 upper surface is provided with oil circuit import 81 and oil circuit outlet 82, is equiped with tight sand in this closed container 8; Described oil pressure 1 pump is connected with the oil circuit import 81 on described closed container 8 by oil pipe, oil circuit outlet 82 on described closed container 8 is connected with described clamping device 4, tight sand is clamped with in described clamping device 4, described automatic gauging instrument 9 one end is electrically connected with described clamping device 4, and the other end is electrically connected with PC 7.
Described tight sand becomes to hide analogue means and also comprises the first pressure meter 2 and the first stop valve 3, the oil circuit that described first pressure meter 2 is arranged on described closed container 9 exports between 82 and described clamping device 4, and described first stop valve 3 is arranged between described first pressure meter 2 and described clamping device 4.
Described tight sand becomes to hide analogue means and also comprises vacuum pump 6, and institute's vacuum pump 6 is connected with described clamping device 4.Also be provided with the second pressure meter 5 and the second stop valve 10 further, described second pressure meter 5 is arranged between described clamping device 4 and described vacuum pump 6, and described second stop valve 10 is arranged between described second pressure meter 5 and described vacuum pump 6.
Described oil pressure pump 6 uses kerosene or crude oil.
Described closed container 8 is cylindric cylinder of quartz glass.
Described oil pressure pump 1 is 5-10Mpa to the pressure that closed container 8 provides.
In order to increase the compressive strength of closed container 8 in this real embodiment, following scheme can be adopted further:
Described closed container 8 is made up of carbon steel or stainless steel.
Described closed container 8 inwall oiling anticorrosive coat.
Described oil pressure 1 pump is 5-20Mpa to the pressure that closed container 8 provides.
In order to be described in further detail the utility model, the operating process below with regard to this device is described further.It should be noted that, no matter adopt kerosene or its effect of crude oil is all the same, the application focuses on protective device, is not defined as the kerosene or crude oil that provide in the present embodiment.
As shown in Figure 1, embodiment one, employing crude oil, first close the first stop valve 3, open the second stop valve 10, use oil pressure pump 1 to provide oil pressure to closed container 8 on the one hand, its pressure is constantly raised, on the other hand, the air in clamping device 4 taken away by vacuum pump 6, for follow-up oiling is prepared; When the first pressure meter 2 arrives 5Mpa, close the second stop valve 10, open the first stop valve 2, crude oil is filled in clamping device 4, closes the first stop valve 3, allow crude oil fill in tight sand, until reach balance, the oil saturation that automatic gauging instrument 9 records is shown by PC 7, records the second pressure meter 5 reading simultaneously, obtains the relation of pressure and oil saturation.
In this test, pressure is an ever-increasing process, the corresponding saturation ratio of each pressure spot, and in other words, same tight sand needs to test its saturation ratio at various pressures, for this reason, needs oil pressure pump 1 to export different pressure respectively to test.Such as, oil pressure pump 1 exports 1MPa, 3MPa, 5MPa, 7MPa, 8MPa respectively ... until maximum pressure, carry out multi-group data test, to realize testing saturation ratio corresponding under different pressures.
Needing to illustrate a bit, due to directly to clamping device 4 fuel feeding, the stability of oil pressure cannot be ensured, for ensureing the accuracy of test data, therefore adopting closed container 8 to carry out excessively to provide stable oil pressure.
Embodiment two, the method step of operation as shown in embodiment one, oil pressure pump 1 provide pressure be 8 or 10Mpa.
For probing into the relation of pressure and oil saturation further, provide following embodiment.
Embodiment three, use the closed container 8 be made up of carbon steel or stainless steel, the method step of operation as shown in embodiment one, oil pressure pump 1 provide pressure be 5,10,15 or 20Mpa.
Lower form is the relation of pressure and the oil saturation adopting this device to record
| Pressure (unit Mpa) | Oil saturation (unit %) |
| 5 | 2 |
| 8 | 6 |
| 10 | 27 |
| 15 | 38 |
| 20 | 47 |
Above table data are only does exemplary illustration, and the tight sand of this device to different location can be adopted to do measurement repeatedly, to obtain data more accurately.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.
Claims (10)
1. tight sand becomes to hide analogue means, it is characterized in that: comprise oil pressure pump, closed container, clamping device, automatic gauging instrument and PC,
Described closed container upper surface is provided with oil circuit import and oil circuit outlet;
Described oil pressure pump is connected with the oil circuit import on described closed container by oil pipe, and the oil circuit outlet on described closed container is connected with described clamping device, is clamped with tight sand in described clamping device; Described automatic gauging instrument one end is electrically connected with described clamping device, and the other end is electrically connected with PC.
2. tight sand according to claim 1 becomes to hide analogue means, it is characterized in that: described tight sand becomes to hide analogue means and also comprises the first pressure meter and the first stop valve, the oil circuit that described first pressure meter is arranged on described closed container exports between described clamping device, and described first stop valve is arranged between described first pressure meter and described clamping device.
3. tight sand according to claim 1 becomes to hide analogue means, it is characterized in that: described tight sand becomes to hide analogue means and also comprises vacuum pump, and institute's vacuum pump is connected with described clamping device.
4. tight sand according to claim 3 becomes to hide analogue means, it is characterized in that: described tight sand becomes to hide analogue means and also comprises the second pressure meter and the second stop valve, described second pressure meter is arranged between described clamping device and described vacuum pump, and described second stop valve is arranged between described second pressure meter and described vacuum pump.
5. tight sand according to claim 1 becomes to hide analogue means, it is characterized in that: described oil pressure pump uses kerosene or crude oil.
6. tight sand according to claim 1 becomes to hide analogue means, it is characterized in that: described closed container is cylindric cylinder of quartz glass.
7. the tight sand according to claim 1 or 6 becomes to hide analogue means, it is characterized in that: described oil pressure pump is 5-10Mpa to the pressure that closed container provides.
8. tight sand according to claim 1 becomes to hide analogue means, it is characterized in that: described closed container is made up of carbon steel or stainless steel.
9. tight sand according to claim 8 becomes to hide analogue means, it is characterized in that: described closed container inwall scribbles anticorrosive coat.
10. want the tight sand described in 1 or 8 or 9 to become to hide analogue means according to right, it is characterized in that: described oil pressure pump is 5-20Mpa to the pressure that closed container provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850965.5U CN204402468U (en) | 2014-12-26 | 2014-12-26 | Tight sand becomes to hide analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850965.5U CN204402468U (en) | 2014-12-26 | 2014-12-26 | Tight sand becomes to hide analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204402468U true CN204402468U (en) | 2015-06-17 |
Family
ID=53426341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850965.5U Expired - Fee Related CN204402468U (en) | 2014-12-26 | 2014-12-26 | Tight sand becomes to hide analogue means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204402468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297884A (en) * | 2018-11-28 | 2019-02-01 | 西安石油大学 | A kind of clay mineral (miscellaneous base) is to tight sand material properties affect simulator |
-
2014
- 2014-12-26 CN CN201420850965.5U patent/CN204402468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297884A (en) * | 2018-11-28 | 2019-02-01 | 西安石油大学 | A kind of clay mineral (miscellaneous base) is to tight sand material properties affect simulator |
| CN109297884B (en) * | 2018-11-28 | 2021-01-26 | 西安石油大学 | Simulation device for influence of clay minerals (miscellaneous base) on physical properties of compact sandstone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |