CN201963300U - Simulative multilevel cylinder sand filling tube device of two-dimensional rock core - Google Patents
Simulative multilevel cylinder sand filling tube device of two-dimensional rock core Download PDFInfo
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- CN201963300U CN201963300U CN2010206790735U CN201020679073U CN201963300U CN 201963300 U CN201963300 U CN 201963300U CN 2010206790735 U CN2010206790735 U CN 2010206790735U CN 201020679073 U CN201020679073 U CN 201020679073U CN 201963300 U CN201963300 U CN 201963300U
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- seal cover
- tube
- tube device
- fill out
- simulative
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Abstract
The utility model provides a simulative multilevel cylinder sand filling tube device of a two-dimensional rock core, which comprises a multilevel cylinder formed by at least two cylinders with different diameters. The multilevel cylinder is provided with a sealing cover A and a sealing cover B. The sealing cover A and the sealing cover B are respectively provided with a sealing pipeline joint a and a sealing pipeline joint b. The simulative multilevel cylinder sand filling tube device of the two-dimensional rock core can simulate changes of the seepage velocity caused by the changes of the distances away from the well bore center when the working solution flows the stratum and the changes of the working solution performance caused by the changes of the seepage velocity. The simulative multilevel cylinder sand filling device of the two-dimensional rock core can be widely applied to the oil field chemical flooding enhanced oil recovery technology.
Description
Technical field
The utility model relates to a kind of fill out sand tube device, belongs to the oil field and annotates the stratum analogue means that gathers in the lab simulation technology that improves recovery ratio in the field.
Background technology
Annotate in the poly-field in the oil field, by fluid being flowed through core or filled quartz sand or the core fill out sand tube of the sand of appearing, by record relevant seepage parameters such as parameters such as pressure, flow velocity, obtain the information that needs then, the various designs that improve recovery ratio for the oil field provide reference frame.
At present, core or the fill out sand tube majority in the indoor seepage flow flow process is one dimension.So-called one dimension be exactly core or fill out sand tube all be isometrical, the change in size of having only axial length at the identical direction fill out sand tube of seepage flow, there is not change in size radially, this analogue means can not reflect in the actual displacement process variation of the seepage flow flow velocity that the variation with distance wellbore centre distance causes well, therefore has limitation in the lab simulation process.
Summary of the invention
The purpose of this utility model provides a kind of multistage cylindrical tube fill out sand tube device of simulating two-dimentional core.
The fill out sand tube device of the simulation two dimension core that the utility model provides comprises the multistage cylindrical tube of being made up of at least two not isometrical cylindrical tubes; Described multistage cylindrical tube is provided with seal cover A and seal cover B; Be respectively equipped with sealed tube wire terminal a and sealed tube wire terminal b on described seal cover A and the seal cover B.
Above-mentioned fill out sand tube device, described seal cover A are with described multistage cylindrical tube with seal cover B that thread seal is connected or interference fit, for described multistage cylindrical tube plays sealing function.Described seal cover A and seal cover B can be made by the material of energy bearing certain pressure.
Above-mentioned fill out sand tube device, described seal cover A can be with described sealed tube wire terminal a that thread seal is connected or interference fit, and described sealed tube wire terminal a can closely be connected so that fluid course to be provided with indoor displacement pipeline.
Above-mentioned fill out sand tube device, described seal cover B can be with described sealed tube wire terminal b that thread seal is connected or interference fit, and described sealed tube wire terminal b can closely be connected so that fluid course to be provided with indoor displacement pipeline.
Described multistage cylindrical tube is provided with at least one sample tap; Described sample tap is provided with seal cover C; Described seal cover C is that thread seal is connected or interference fit with described multistage cylindrical tube.Displacement working solution sample can be obtained by described sample tap, thereby its pressure and other parameters can be tested.Obsolete the time, can use seal cover C to seal the passage of described sample tap.
Above-mentioned fill out sand tube device, the number of described sample tap can be regulated as required.
Above-mentioned fill out sand tube device, described sample tap can be 3.
Above-mentioned fill out sand tube device, described multistage cylindrical tube can be the multistage cylindrical tube of being made up of 3 not isometrical cylindrical tubes.
The utility model has been owing to adopted above technical scheme, can analog operation liquid when stratum filtration because the variation of the seepage velocity that causes apart from the variation of wellbore centre distance; Can simulate because the working solution changes of properties that the variation of seepage flow flow velocity causes.The utility model can be widely used in oilfield chemistry and drive in the raising recovery ratio technology.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the fill out sand tube device of the two-dimentional core of simulation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, but the utility model is not limited to following examples.
The fill out sand tube device of the two-dimentional core of simulation of the present utility model as shown in Figure 1, each mark is as follows among the figure: 1 sealed tube wire terminal a, 2 seal cover A, 3 multistage cylindrical tubes, 4 sample taps, 5 seal cover B, 6 sealed tube wire terminal b, 7 seal cover C.
Fill out sand tube device of the present utility model comprises by three and does not wait the multistage cylindrical tube of forming through cylindrical tube 3, is used to provide the seepage channel of variation; Multistage cylindrical tube 3 is provided with seal cover A2 and seal cover B5, is used for multistage cylindrical tube 3 is played sealing process; Seal cover A2 and seal cover B5 make by stainless steel; Seal cover A2 and seal cover B5 all are tightly connected by screw thread and multistage cylindrical tube 3; Seal cover A2 is provided with sealed tube wire terminal a1, and seal cover A2 is connected by thread seal with sealed tube wire terminal a1, is used for closely being connected so that fluid course to be provided with indoor displacement pipeline; Seal cover B5 is provided with sealed tube wire terminal b6, and seal cover B5 is connected by thread seal with sealed tube wire terminal b6, is used for closely being connected so that fluid course to be provided with indoor displacement pipeline; Multistage cylindrical tube 3 is provided with 3 sample taps 4, in needs, can be communicated with multistage cylindrical tube 3 extraneous, carries out performance test thereby obtain working solution; Can use seal cover C to block the passage that closes sample tap 4 obsolete the time, seal cover C7 and multistage cylindrical tube 3 are connected by thread seal.
In the above-mentioned fill out sand tube device of the present utility model, the material of seal cover A2 and seal cover B5 can also be can bearing certain pressure glass fiber reinforced plastic or alloy steel; Seal cover A2 and seal cover B5 can also be tightly connected by interference fit and multistage cylindrical tube 3; Seal cover A2 can also be connected by interference fit seal with sealed tube wire terminal a1; Seal cover B5 can also be connected by interference fit seal with sealed tube wire terminal b6; The number of sample tap 4 can be regulated as required, and seal cover C7 can also be tightly connected by interference fit and multistage cylindrical tube 3; Can adjust in the multistage cylindrical tube the not number of isometrical cylindrical tube as required.
When using fill out sand tube device of the present utility model, sealed tube wire terminal a1 closely is connected with indoor displacement pipeline, the displacement working solution is entered in the multistage cylindrical tube 3, displacement working solution seepage flow radially in multistage cylindrical tube 3; When need measure, obtain the displacement working solution from sample tap 4 and carry out performance test the performance of displacement working solution; Displacement working solution after test finishes can be discharged multistage cylindrical tube 3 from sealed tube wire terminal b6.
Claims (8)
1. fill out sand tube device, it is characterized in that: described device comprises the multistage cylindrical tube of being made up of at least two not isometrical cylindrical tubes; Described multistage cylindrical tube is provided with seal cover A and seal cover B; Be respectively equipped with sealed tube wire terminal a and sealed tube wire terminal b on described seal cover A and the seal cover B.
2. fill out sand tube device according to claim 1 is characterized in that: described seal cover A is with described multistage cylindrical tube with seal cover B that thread seal is connected or interference fit.
3. fill out sand tube device according to claim 1 and 2 is characterized in that: described seal cover A is that thread seal is connected or interference fit with described sealed tube wire terminal a.
4. fill out sand tube device according to claim 1 and 2 is characterized in that: described seal cover B is that thread seal is connected or interference fit with described sealed tube wire terminal b.
5. fill out sand tube device according to claim 1 and 2 is characterized in that: described multistage cylindrical tube is provided with at least one sample tap; Described sample tap is provided with seal cover C.
6. fill out sand tube device according to claim 5 is characterized in that: described seal cover C is that thread seal is connected or interference fit with described multistage cylindrical tube
7. fill out sand tube device according to claim 6 is characterized in that: described sample tap is 3.
8. fill out sand tube device according to claim 1 and 2 is characterized in that: the multistage cylindrical tube of described multistage cylindrical tube for being made up of 3 not isometrical cylindrical tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206790735U CN201963300U (en) | 2010-12-14 | 2010-12-14 | Simulative multilevel cylinder sand filling tube device of two-dimensional rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206790735U CN201963300U (en) | 2010-12-14 | 2010-12-14 | Simulative multilevel cylinder sand filling tube device of two-dimensional rock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963300U true CN201963300U (en) | 2011-09-07 |
Family
ID=44525835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206790735U Expired - Fee Related CN201963300U (en) | 2010-12-14 | 2010-12-14 | Simulative multilevel cylinder sand filling tube device of two-dimensional rock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071930A (en) * | 2010-12-14 | 2011-05-25 | 中国海洋石油总公司 | Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core |
-
2010
- 2010-12-14 CN CN2010206790735U patent/CN201963300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071930A (en) * | 2010-12-14 | 2011-05-25 | 中国海洋石油总公司 | Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Southwest Petroleum University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Southwest Petroleum University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |