CN102071930A - Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core - Google Patents
Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core Download PDFInfo
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- CN102071930A CN102071930A CN2010106025926A CN201010602592A CN102071930A CN 102071930 A CN102071930 A CN 102071930A CN 2010106025926 A CN2010106025926 A CN 2010106025926A CN 201010602592 A CN201010602592 A CN 201010602592A CN 102071930 A CN102071930 A CN 102071930A
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- seal cover
- tube
- fill out
- out sand
- tube device
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Abstract
The invention provides a sand filling tube device for simulating a two-dimensional rock core. The device comprises a multi-stage cylindrical barrel which comprises at least two cylindrical barrels with different diameters; and the multi-stage cylindrical barrel is provided with a sealing cover A and a sealing cover B which are provided with a sealing pipeline joint a and a sealing pipeline joint b respectively. The device can simulate the variation in seepage velocity caused by the variation in the distance away from the center of a shaft when the working fluid seeps a stratum, and can simulate the variation in the performance of the working fluid caused by the variation in the seepage speed. The sand filling tube device provided by the invention is widely applied to an enhanced oil recovery process of oil-field chemical flooding.
Description
Technical field
The present invention relates to a kind of fill out sand tube device, belong to the oil field and annotate 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 invention is to provide a kind of multistage cylindrical tube fill out sand tube device of simulating two-dimentional core.
The fill out sand tube device of the two-dimentional core of simulation provided by the invention 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.
Above-mentioned fill out sand tube device, 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.
Fill out sand tube device of the present invention 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.Fill out sand tube device provided by the invention 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 invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing, but the present invention is not limited to following examples.
The fill out sand tube device of the two-dimentional core of simulation of the present invention 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 invention 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 the passage of seal cover C7 sealing 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 invention, 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 invention, 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 (9)
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. according to arbitrary described fill out sand tube device among the claim 1-3, it 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. according to arbitrary described fill out sand tube device among the claim 1-4, it 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. according to claim 5 or 6 described fill out sand tube devices, it is characterized in that: described sample tap is 3.
8. according to arbitrary described fill out sand tube device among the claim 1-7, it is characterized in that: the multistage cylindrical tube of described multistage cylindrical tube for forming by 3 not isometrical cylindrical tubes.
9. the application of not isometrical cylindrical tube in preparation fill out sand tube device; Described fill out sand tube 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106025926A CN102071930A (en) | 2010-12-14 | 2010-12-14 | Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106025926A CN102071930A (en) | 2010-12-14 | 2010-12-14 | Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102071930A true CN102071930A (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106025926A Pending CN102071930A (en) | 2010-12-14 | 2010-12-14 | Multi-stage cylindrical barrel sand filling tube device for simulating two-dimensional rock core |
Country Status (1)
| Country | Link |
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| CN (1) | CN102071930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926742A (en) * | 2012-11-15 | 2013-02-13 | 海安发达石油仪器科技有限公司 | Sand filling pipe |
| CN112943188A (en) * | 2021-03-25 | 2021-06-11 | 北京拓普莱博油气田开发技术研究院 | Sand filling pipe core for simulating water injection of water injection well and manufacturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845946A (en) * | 2010-05-31 | 2010-09-29 | 中国海洋石油总公司 | Method for simulating polymer solution shear and special equipment thereof |
| CN201963300U (en) * | 2010-12-14 | 2011-09-07 | 中国海洋石油总公司 | Simulative multilevel cylinder sand filling tube device of two-dimensional rock core |
-
2010
- 2010-12-14 CN CN2010106025926A patent/CN102071930A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845946A (en) * | 2010-05-31 | 2010-09-29 | 中国海洋石油总公司 | Method for simulating polymer solution shear and special equipment thereof |
| CN201963300U (en) * | 2010-12-14 | 2011-09-07 | 中国海洋石油总公司 | Simulative multilevel cylinder sand filling tube device of two-dimensional rock core |
Non-Patent Citations (1)
| Title |
|---|
| 舒政等: "聚合物溶液近井地带速率剪切模拟实验装置设计", 《油气地质与采收率》, vol. 17, no. 4, 31 July 2010 (2010-07-31), pages 55 - 58 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926742A (en) * | 2012-11-15 | 2013-02-13 | 海安发达石油仪器科技有限公司 | Sand filling pipe |
| CN112943188A (en) * | 2021-03-25 | 2021-06-11 | 北京拓普莱博油气田开发技术研究院 | Sand filling pipe core for simulating water injection of water injection well and manufacturing method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110525 |