CN109100191A - The artificial fine and close core of one kind and preparation method - Google Patents
The artificial fine and close core of one kind and preparation method Download PDFInfo
- Publication number
- CN109100191A CN109100191A CN201810991091.8A CN201810991091A CN109100191A CN 109100191 A CN109100191 A CN 109100191A CN 201810991091 A CN201810991091 A CN 201810991091A CN 109100191 A CN109100191 A CN 109100191A
- Authority
- CN
- China
- Prior art keywords
- shell
- quartz capillary
- fine
- core
- close core
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000000280 densification Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000010146 3D printing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Prostheses (AREA)
Abstract
The problems such as the invention belongs to mechanical technology fields, are related to the artificial fine and close core of one kind and preparation method, are not able to satisfy 1 micron of requirement of experiment below which solve existing artificial fine and close core.This densification core includes shell, and interval is plugged with the quartz capillary of several submicron orders in shell, and each quartz capillary along the length direction setting of shell and is parallel to each other, and fine and close core further includes that quartz capillary can be made to be fixed on the intracorporal positioning mechanism of shell.This preparation method includes the following steps: 1) to get shell ready；2) quartz capillary of submicron order is intercepted；3) quartz capillary section is filled into one by one in shell, and is fixed with two component adhesive and sealed periphery；4) bundle model is formed, and bundle model is packaged, gained is fine and close core.Artificial fine and close core of the invention can meet 1 micron of requirement of experiment below.
Description
Technical field
The invention belongs to mechanical technology fields, are related to the artificial fine and close core of one kind and preparation method.
Background technique
As China continues to increase petroleum resources demand and the maturation of related oil-gas field development technology, unconventional oil and gas
Hiding resource is gradually play an important role.Wherein fine and close oil-gas reservoir is important a kind of resource, the densification oil that each oily area of China is verified
It is larger to hide reserves scale.
Fine and close oil reservoir is low using permeability, porosity is small, contains the hole of a large amount of nanoscale as main feature, fluid
Traditional Darcy's law is no longer complies in flowing wherein.And the compact oil reservoir in China is mainly continental deposit, geologic structure is multiple
It is miscellaneous, there is larger difference with external compact oil reservoir, can not apply its experience, therefore to the research of its seepage flow mechanism at improving me
The key of state's densification Reservoir Development.
Applicant once applied for an a kind of entitled " ultra-low penetration core and preparation method thereof to State Intellectual Property Office
The patent of invention of (106866155 A of CN) ", the ultra-low penetration core in the patent contain β-Si3N4, clay, carbon dust, BN and
CaF2, preparation method include the following steps: 1) to add water sufficiently to rub up the ingredient of different component；2) powder after rubbing up is put
Enter in mold, then mold is put into sintering furnace, be sintered at high temperature, bulk pottery is made after heating, heat preservation, cooling
Porcelain；3) the resulting bulk ceramic of step 2) is carried out to the cutting of standard rock core.
It include at present that core experiment and micro-pipe are tested, but are worked as micro- to the laboratory facilities of compact oil reservoir non linear fluid flow through porous medium research
After the internal diameter of pipe is less than 1 micron, the detection of flow is more difficult.For this purpose, design it is a kind of can be in relatively simple mode measures
The method of the flow of micro-pipe experiment of the diameter less than 1 micron, becomes the task of top priority.
Summary of the invention
The first purpose of this invention is the presence of the above problem in view of the prior art, proposes a kind of artificial fine and close rock
Core is wanted the technical problems to be solved by the present invention are: this artificial fine and close core how to be made to can satisfy 1 micron of experiment below
It asks.
Second object of the present invention is the presence of the above problem in view of the prior art, proposes a kind of artificial fine and close core
Preparation method, can satisfy the artificial of 1 micron or less requirement of experiment the technical problems to be solved by the present invention are: how to manufacture
Fine and close core.
The first purpose of this invention can be realized by the following technical scheme:
A kind of artificial fine and close core, which is characterized in that the densification core includes shell, and interval is plugged in the shell
The quartz capillary of several submicron orders, each quartz capillary along the length direction setting of the shell and are parallel to each other,
The densification core further includes that the quartz capillary can be made to be fixed on the intracorporal positioning mechanism of shell.
Its working principles are as follows: the quartz capillary in this artificial fine and close core is made of submicron order, granularity is straight
Diameter is therefore 100nm~1.0 μm may make this densification core to be able to satisfy 1 micron of requirement of experiment below.And it can be according to reality
The demand on border, the quartz capillary that adjustment selects diameter different.
In the above-mentioned artificial fine and close core of one kind, the positioning mechanism includes being filled at quartz capillary and inner walls
Between two component adhesive.Quartz capillary is fixed in shell by that can realize two component adhesive.
In the above-mentioned artificial fine and close core of one kind, the shell is made of 3D printing.Shell is made of 3D printing,
Can experimental demand unrestricted choice shell internal diameter and length.
Second object of the present invention can be realized by the following technical scheme:
A kind of preparation method of artificial fine and close core, which is characterized in that the preparation method includes the following steps:
1) shell is got ready；
2) quartz capillary of submicron order is intercepted；
3) the quartz capillary section is filled into one by one in shell, and is fixed with two component adhesive and sealed periphery；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Its working principles are as follows: since the quartz capillary in this artificial fine and close core is made of submicron order, grain
Degree diameter is therefore 100nm~1.0 μm may make this densification core to be able to satisfy 1 micron of requirement of experiment below.And it can root
The quartz capillary for selecting diameter different according to actual demand, adjustment.
In the preparation method of the above-mentioned artificial fine and close core of one kind, the shell is made of 3D printing technique.Shell
Be made of 3D printing, can experimental demand unrestricted choice shell internal diameter and length.
In the preparation method of the artificial fine and close core of above-mentioned one kind, the shell is long 20-50mm, outer diameter 25mm,
Wall thickness is 1mm.
Compared with prior art, the invention has the following advantages that
This artificial fine and close core reasonable integral structure is compact, and the hole of core reaches sub-micron rank.By adjusting filling
The quartz capillary of different inner diameters can control the pore size of made core, and sub-micron porosity needed for can satisfy experiment is big
The demand of small core.Simpler realization low-permeability oil deposit non linear fluid flow through porous medium test, the fluid of test can be liquid
Water, oil, or other kinds gas.Convenience is provided for the seepage flow mechanism research of low-permeability oil deposit, to promote oil reservoir development
Technology.
Detailed description of the invention
Fig. 1 is the cross-sectional view of this artificial fine and close core.
Fig. 2 is the top view of this artificial fine and close core.
In figure, 1, shell；2, capillary quartz ampoule；3, two component adhesive.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 and Figure 2, this densification core includes shell 1, and interval is plugged with the stone of several submicron orders in shell 1
English capillary, each quartz capillary along the length direction setting of shell 1 and are parallel to each other, and fine and close core further includes that can make stone
English capillary is fixed.Specifically, in the present embodiment, positioning mechanism includes the bi-component glue being filled between each quartz capillary
Stick 3.And shell 1 is made of 3D printing.
And the preparation method of this densification core includes the following steps:
1) shell 1 is got ready, wherein shell 1 is preferably dimensioned to be following size: shell 1 is long 20-50mm, and outer diameter is
25mm, wall thickness 1mm, and be made of 3D printing technique
2) quartz capillary of submicron order is intercepted；
3) quartz capillary section is filled into one by one in shell 1, and with two component adhesive 3 is fixed and sealed periphery；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Specific in each specific preferred implementation, following steps can be used:
Embodiment one:
1) shell 1 is got ready, wherein shell 1 is preferably dimensioned to be following size: shell 1 a length of 20, outer diameter 25mm, wall
Thickness is 1mm, and is made of 3D printing technique
2) quartz capillary of submicron order, length 17-18mm are intercepted
3) 2000 quartz capillary sections are filled into one by one in shell 1, and with the fixation of two component adhesive 3 and sealed outer
It encloses；Pay attention to guaranteeing unimpeded, micron tube external seal inside every sub-micron tube.
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Embodiment two:
1) get shell 1 ready, wherein shell 1 is preferably dimensioned to be following size: shell 1 is long 30mm, outer diameter 25mm,
Wall thickness is 1mm, and is made of 3D printing technique
2) intercepted length is the quartz capillary of 27-28mm submicron order；
3) 3000 quartz capillary sections are filled into one by one in shell 1, and with the fixation of two component adhesive 3 and sealed outer
It encloses；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Embodiment three:
1) get shell 1 ready, wherein shell 1 is preferably dimensioned to be following size: shell 1 is long 50mm, outer diameter 25mm,
Wall thickness is 1mm, and is made of 3D printing technique
2) intercepted length is the quartz capillary of 47-48mm submicron order；
3) 4000 quartz capillary sections are filled into one by one in shell 1, and with the fixation of two component adhesive 3 and sealed outer
It encloses；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Example IV:
1) get shell 1 ready, wherein shell 1 is preferably dimensioned to be following size: shell 1 is long 40mm, outer diameter 25mm,
Wall thickness is 1mm, and is made of 3D printing technique
2) intercepted length is the quartz capillary of 37-38mm submicron order；
3) 2000 quartz capillary sections are filled into one by one in shell 1, and with the fixation of two component adhesive 3 and sealed outer
It encloses；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of artificial fine and close core and preparation method, which is characterized in that the densification core includes shell (1), the shell
(1) interval is plugged with the quartz capillary of several submicron orders in, and each quartz capillary is along the length side of the shell (1)
To being arranged and being parallel to each other, the densification core further includes the positioning that the quartz capillary can be made to be fixed in shell (1)
Mechanism.
2. artificial fine and close core according to claim 1, which is characterized in that the positioning mechanism includes being filled at each quartz
Intercapillary two component adhesive (3).
3. artificial fine and close core according to claim 2, which is characterized in that the shell (1) is made of 3D printing.
4. a kind of preparation method of artificial fine and close core, which is characterized in that the preparation method includes the following steps:
1) shell (1) is got ready；
2) quartz capillary of submicron order is intercepted；
3) the quartz capillary section is filled into one by one in shell (1), and with two component adhesive (3) fixation and sealed outer
It encloses；
4) bundle model is formed, and bundle model is packaged, gained is fine and close core.
5. the preparation method of artificial fine and close core according to claim 4, which is characterized in that the shell (1) uses 3D
Printing technique is made.
6. the preparation method of artificial fine and close core according to claim 5, which is characterized in that a length of 20- of the shell (1)
50mm, outer diameter 25mm, wall thickness 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991091.8A CN109100191A (en) | 2018-08-28 | 2018-08-28 | The artificial fine and close core of one kind and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991091.8A CN109100191A (en) | 2018-08-28 | 2018-08-28 | The artificial fine and close core of one kind and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109100191A true CN109100191A (en) | 2018-12-28 |
Family
ID=64864150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810991091.8A Pending CN109100191A (en) | 2018-08-28 | 2018-08-28 | The artificial fine and close core of one kind and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100191A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008116313A (en) * | 2006-11-02 | 2008-05-22 | Seikoh Giken Co Ltd | Device for measuring minute quantity liquid |
| CN101968419A (en) * | 2010-09-20 | 2011-02-09 | 中国石油大学(北京) | Method for measuring capillary pressure and wettability of rock core under condition of temperature and pressure of oil deposit |
| CN104089806A (en) * | 2014-07-17 | 2014-10-08 | 中国石油大学(华东) | Man-made rock core with multi-pore structure and preparation method of man-made rock core |
| CN105486622A (en) * | 2016-01-13 | 2016-04-13 | 中国石油天然气股份有限公司 | Experiment equipment for analyzing capillary in porous medium |
| CN105651574A (en) * | 2016-01-13 | 2016-06-08 | 中国石油天然气股份有限公司 | Micron-sized capillary tube bundle model for quantitatively analyzing capillary action in porous medium and manufacturing method |
| CN107525746A (en) * | 2017-08-11 | 2017-12-29 | 中国石油大学(北京) | A kind of method and device for characterizing compact oil reservoir Non-Darcy Flow in Low Permeability Reservoir feature |
-
2018
- 2018-08-28 CN CN201810991091.8A patent/CN109100191A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008116313A (en) * | 2006-11-02 | 2008-05-22 | Seikoh Giken Co Ltd | Device for measuring minute quantity liquid |
| CN101968419A (en) * | 2010-09-20 | 2011-02-09 | 中国石油大学(北京) | Method for measuring capillary pressure and wettability of rock core under condition of temperature and pressure of oil deposit |
| CN104089806A (en) * | 2014-07-17 | 2014-10-08 | 中国石油大学(华东) | Man-made rock core with multi-pore structure and preparation method of man-made rock core |
| CN105486622A (en) * | 2016-01-13 | 2016-04-13 | 中国石油天然气股份有限公司 | Experiment equipment for analyzing capillary in porous medium |
| CN105651574A (en) * | 2016-01-13 | 2016-06-08 | 中国石油天然气股份有限公司 | Micron-sized capillary tube bundle model for quantitatively analyzing capillary action in porous medium and manufacturing method |
| CN107525746A (en) * | 2017-08-11 | 2017-12-29 | 中国石油大学(北京) | A kind of method and device for characterizing compact oil reservoir Non-Darcy Flow in Low Permeability Reservoir feature |
Non-Patent Citations (2)
| Title |
|---|
| 孟展 等: "致密油藏边界层厚度优化校正新方法", 《石油化工高等学校学报》 * |
| 王中才 等: "微米级毛细管中水油驱替过程中动态毛细管力的变化", 《中国化学会第十二届胶体与界面化学会议》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tian et al. | The threshold pressure gradient effect in the tight sandstone gas reservoirs with high water saturation | |
| CN109403916A (en) | A kind of thermally conductive well shaft fixing technology of geothermal well | |
| CN104533370B (en) | Pressure break horizontal well oil reservoir, crack, pit shaft coupled model method | |
| CN108729908A (en) | A kind of oily flow simulating of densification based on pore network model and Permeability Prediction method | |
| CN105954495B (en) | A kind of formation core clamper | |
| Wu et al. | Experimental study of nonlinear flow in micropores under low pressure gradient | |
| CN106469333B (en) | A kind of hypotonic horizontal wells in heavy oil reservoir thermal recovery pressure distribution forecasting method | |
| Ma et al. | Effective reduction of sintering temperature and breakage ratio for a low‐cost ceramic proppant by feldspar addition | |
| Wang et al. | Effect of absorption boundary layer on nonlinear flow in low permeability porous media | |
| CN104914122A (en) | Nuclear magnetic resonance core measurement apparatus capable of simulating reservoir conditions | |
| Patro et al. | Flow kinetics in porous ceramics: understanding with non‐uniform capillary models | |
| CN109100191A (en) | The artificial fine and close core of one kind and preparation method | |
| Li et al. | Fabrication and characteristics of Li4SiO4 pebbles by a novel capillary-based microfluidic wet process | |
| Song et al. | Research on non-Newtonian characteristics of crude oil flow at micro-nano scale | |
| Jacops et al. | Diffusive transport of dissolved gases in potential concretes for nuclear waste disposal | |
| CN108918214A (en) | A kind of conglomerate sample preparation methods for core analysis and the conglomerate sample for core analysis | |
| Yang et al. | Process optimization of porous Al2O3 filter via layered extrusion forming | |
| US20210010356A1 (en) | Gasflow distribution device, gas distributor, pipe string and method for separate-layer gas injection | |
| Huan-ling et al. | Experimental study on slippage effects of gas flow in compact rock | |
| CN111595731A (en) | System and method for testing resistance coefficient of heterogeneous viscoelastic particle solution for oil displacement | |
| Bu et al. | Mechanism of cement stone porosity and permeability structures for downhole fluid packing | |
| CN104632194A (en) | Method for determining technical well spacing of low-permeability reservoir through system well testing | |
| CN107764714B (en) | A kind of axis pressure loading device and heat flow piercement device | |
| Kyritsis et al. | Relationship Between Engineering Properties, Mineralogy, and Microstructure in Cement‐Based Hydroceramic Materials Cured at 200°–350° C | |
| Robert et al. | High-temperature deformation of volcanic materials in the presence of water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |