CN208416527U - A kind of fill out sand tube experimental provision of simulation fracture oil reservoir - Google Patents
A kind of fill out sand tube experimental provision of simulation fracture oil reservoir Download PDFInfo
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- CN208416527U CN208416527U CN201821171106.8U CN201821171106U CN208416527U CN 208416527 U CN208416527 U CN 208416527U CN 201821171106 U CN201821171106 U CN 201821171106U CN 208416527 U CN208416527 U CN 208416527U
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- tube body
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- cylindric
- simulation
- screw rod
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Abstract
Transfer drive technical field in oil field disclosed by the utility model, specially a kind of fill out sand tube experimental provision of simulation fracture oil reservoir, including cylindric tube body, the first sealing cover is bolted on the left of the cylindric tube wall, the first connector is connected on the left of first sealing cover, the second sealing cover is bolted on the right side of the cylindric tube wall, the second connector is connected on the right side of second sealing cover, the cylindric tube body body center position uniformly embeds and is provided with internal thread sleeve, the internal thread barrel bore is bolted with adjusting screw rod, the adjusting screw rod lateral ends are connected with regulating nut, the adjusting screw rod inner opposite end is connected with adjusting block, the cylindrical tubes intracoelomic cavity is horizontally arranged with magnetic pole, the magnetic pole surface is uniformly provided with groove, the New Scheme effectively simplifies experimental procedure, reduce obstruction when liquid flows through simulation fracture, Guarantee the accuracy of experimental result.
Description
Technical field
The utility model relates to oil field transfer drive technical field, the fill out sand tube of specially a kind of simulation fracture oil reservoir tests dress
It sets.
Background technique
The hypotonic petroleum resources rich reserves of the hypotonic spy in China, production decline and crude oil demand with conventional gas and oil resource
The increasingly increase of amount, the high efficient rational development of hypotonic ultralow permeable reservoir are gradually concerned by people, and investment is developed low at present
It seeps in ultralow permeable reservoir mostly there is the intrinsic fracture more developed, the presence of intrinsic fracture easily causes the altering into existing of injection water
As causing oil well producing water ratio to increase rapidly, oil production sharply declines, and seriously affects the development effectiveness of LOW PERMEABILITY RESERVOIR, injects transfer drive
Oil well water breakthrough can be effectively suppressed in agent, improves the development effectiveness of fractured reservoir, and indoor displacement test is preferred transfer drive system, optimization
A kind of effective ways of injection parameter, but lack a kind of stratum simulator for capableing of effective simulation fracture oil reservoir at present.
Traditional stratum simulator is mostly the homogeneous sand-filling tube model for being only capable of simulating single porosity medium, and this model is unable to satisfy
Fractured reservoir need to carry out the demand of double dummy to matrix and two kinds of crack pore media.Country's patent has already appeared at present
The experimental provision of simulation fracture oil reservoir, but it can not actually be controlled with the capillary of different-diameter simulation Size of Crack and be split
Slit state and fracture parameters, there are certain errors, therefore indoors in displacement simulation there are limitation, therefore Chinese patent Shen
Please number CN201420664760.8 propose a kind of fill out sand tube experimental provision for simulation fracture oil reservoir, including cylindrical tube
Body, sealing cover A, sealing cover B, sealing pipe joint A, sealing pipe joint B, quartz sand, overcoating metal screen, support glass
Ball, upper four foot support, lower four foot supports, fixed pin, the fill out sand tube apparatus main body include cylindrical tube, sealing cover A, sealing
Lid B, sealing pipe joint A, sealing pipe joint A and sealing is respectively equipped on sealing pipe joint B, sealing cover A and sealing cover B
Pipe joint B, sealing cover A and sealing cover B are tightly connected by screw thread and cylindrical tube；The board slit simulation apparatus includes upper
Four foot supports, lower four foot supports, support glass marble, fixed pin, upper four foot support and lower four foot support are equipped with pin hole at four feet,
Upper four foot support forms simulation fracture chamber, simulation fracture is intracavitary to be filled with branch by four fixed pins and lower four foot supports pin joint
Glass marble is supportted, is enclosed with overcoating metal screen outside board slit simulation apparatus, this kind of experimental provision has the following problems when in use,
When the overcoating metal screen of board slit simulation apparatus package is put into fill out sand tube body cavity, fixed results of fracture simulation can not be adjusted
The structure of design factors generally requires to fill quartz sand by several times, to achieve the purpose that fracture simulator angular adjustment, walks
It is rapid cumbersome, and when liquid flows through support glass marble, upper four foot support can generate injection liquid with lower four foot support biggish
Resistance, to influence experimental result, it is therefore desirable to which existing experimental provision is further improved.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of fill out sand tube experimental provision of simulation fracture oil reservoir
Itd is proposed in background technique when board slit simulation apparatus being wrapped up overcoating metal screen being put into fill out sand tube body cavity, can not
The structure for adjusting fixed board slit simulation apparatus angle generally requires to fill quartz sand by several times, to reach fracture simulator
The purpose of angular adjustment, complex steps, and when liquid flows through support glass marble, upper four foot support and lower four foot support can be to notes
Enter liquid and generate biggish resistance, thus the problem of influencing experimental result.
To achieve the above object, the utility model provides the following technical solutions: a kind of fill out sand tube of simulation fracture oil reservoir
Experimental provision, including cylindric tube body, the cylindric tube wall left side are bolted with the first sealing cover, first sealing cover
Left side is connected with the first connector, and the second sealing cover, the second sealing cover right side are bolted on the right side of the cylindric tube wall
It is connected with the second connector, the cylindric tube body body center position uniformly embeds and is provided with internal thread sleeve, the internal thread sleeve
Inner cavity is bolted with adjusting screw rod, and the adjusting screw rod lateral ends are connected with regulating nut, and the adjusting screw rod inner opposite end connects
It is connected to adjusting block, the cylindrical tubes intracoelomic cavity is horizontally arranged with magnetic pole, and the magnetic pole surface is uniformly provided with groove, described recessed
Slot inner cavity is provided with simulation ball, and the cylindrical tubes intracoelomic cavity is filled with quartz sand particle.
Preferably, the internal thread sleeve is annularly embedded on cylindric tube body ontology.
Preferably, the adjusting screw rod length is identical as cylindric tube body radius.
Preferably, the simulation ball is magnetic simulation ball, and it is magnetic opposite with magnetic pole to simulate ball magnetic pole.
Preferably, the adjusting block cross section is sector.
Compared with prior art, the utility model has the beneficial effects that
1) New Scheme when in use, can be quick and convenient by the cooperation of adjusting screw rod, adjusting block and internal thread sleeve
Angular adjustment is carried out to simulation fracture position, so that in subsequent filling quartz sand particle, it is primary to complete, simplify experimental procedure；
2) results of fracture simulation is carried out by magnetic pole and magnetic simulation ball, it is convenient and efficient, when reduction liquid flows through simulation fracture
Obstruction, guarantee the accuracy of experimental result.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model A-A cross-sectional view；
Fig. 3 is the utility model magnetic pole structural schematic diagram.
In figure: 1 cylindric tube body, 2 second sealing covers, 3 second connectors, 4 internal thread sleeves, 5 regulating nuts, 6 adjusting screw rods,
7 adjusting blocks, 8 magnetic poles, 9 simulation balls, 10 quartz sand particles, 11 first connectors, 12 first sealing covers, 13 grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of fill out sand tube experiment of simulation fracture oil reservoir
Device, including cylindric tube body 1, cylindric 1 outer wall of the tube body left side are bolted with the first sealing cover 12, first sealing cover
12 left sides are connected with the first connector 11, and the second sealing cover 2, second sealing are bolted on the right side of cylindric 1 outer wall of tube body
The second connector 3 is connected on the right side of lid 2, the cylindric 1 body center position of tube body uniformly embeds and is provided with internal thread sleeve 4, institute
It states 4 inner cavity of internal thread sleeve and is bolted with adjusting screw rod 6,6 lateral ends of adjusting screw rod are connected with regulating nut 5, the adjusting
6 inner opposite end of screw rod is connected with adjusting block 7, and cylindric 1 inner cavity of tube body is horizontally arranged with magnetic pole 8, and 8 surface of magnetic pole is equal
Even to open up fluted 13,13 inner cavity of groove is provided with simulation ball 9, and cylindric 1 lumen loading of tube body has quartz sand
Grain 10.
Wherein, the internal thread sleeve 4 is annularly embedded on cylindric 1 ontology of tube body, 6 length of adjusting screw rod and circle
1 radius of column tube body is identical, convenient that 8 angle of magnetic pole is adjusted, and the simulation ball 9 is magnetic simulation ball, and simulates 9 magnetic of ball
Property with 8 magnetic pole of magnetic pole on the contrary, to simulate ball 9 to be adsorbed on 8 surface of magnetic pole by own magnetic force, reduce water and flow through out-of-date resistance
Power, 7 cross section of adjusting block are sector, preferably fixed magnetic pole angle.
Working principle: in the specific implementation, 0.2-1mm when simulating 9 diameter range of ball simulates 9 circularity of ball to the New Scheme
>=90%, in use, simulation ball 9 is first filled full cylindric 1 inner cavity of tube body, saturated water is vacuumized, it is then logical with constant speed
11 displacement of the first connector is crossed, so that it is determined that simulation 9 medium permeability of ball equally takes above-mentioned do to get fracture permeabgility is arrived
Cylindric 1 lumen loading of tube body is expired quartz sand particle 10 by method, determines quartz sand medium permeability, i.e. matrix permeability, infiltration
After the completion of rate measurement, simulation ball 9 absorption of identical size is provided in the groove 13 on 8 surface of magnetic pole, by the magnetic pole 8 after absorption
It is placed into cylindric 1 inner cavity of tube body, by turning regulating nut 5, cooperates the internal thread sleeve being embedded on cylindric 1 ontology of tube body
4, so that adjusting screw rod 6 extends to cylindric 1 inner cavity of tube body, so that being connected to the adjusting block 7 for surveying one end in adjusting screw rod 6
It is contacted with simulation ball 9, thus the magnetic pole 8 for being adsorbed with simulation ball 9 is fixed, by controlling to adjust 6 length of screw rod, control magnetic pole 8
Angle screw on the first sealing cover 12 and the second sealing cover 2 then by cylindric 1 lumen loading quartz sand particle 10 of tube body, even
Displacement test pipeline is connect, injects saturated oils, subsequent progress water drive operation, by analyzing recovery ratio, pressure data obtains corresponding knot
By.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of fill out sand tube experimental provision of simulation fracture oil reservoir, including cylindric tube body (1), it is characterised in that: the circle
It is bolted with the first sealing cover (12) on the left of column tube body (1) outer wall, is connected with the first connector on the left of first sealing cover (12)
(11), it is bolted with the second sealing cover (2) on the right side of cylindric tube body (1) outer wall, is connected on the right side of second sealing cover (2)
Second connector (3), cylindric tube body (1) the body center position uniformly embed and are provided with internal thread sleeve (4), the interior silk braid
Cylinder (4) inner cavity is bolted with adjusting screw rod (6), and adjusting screw rod (6) lateral ends are connected with regulating nut (5), the adjusting
Screw rod (6) inner opposite end is connected with adjusting block (7), and cylindric tube body (1) inner cavity is horizontally arranged with magnetic pole (8), the magnetic
Column (8) surface is uniformly provided with groove (13), and groove (13) inner cavity is provided with simulation ball (9), the cylindric tube body (1)
Lumen loading has quartz sand particle (10).
2. a kind of fill out sand tube experimental provision of simulation fracture oil reservoir according to claim 1, it is characterised in that: in described
Silk braid cylinder (4) is annularly embedded on cylindric tube body (1) ontology.
3. a kind of fill out sand tube experimental provision of simulation fracture oil reservoir according to claim 1, it is characterised in that: the tune
It is identical as cylindric tube body (1) radius to save screw rod (6) length.
4. a kind of fill out sand tube experimental provision of simulation fracture oil reservoir according to claim 1, it is characterised in that: the mould
Quasi- ball (9) are magnetic simulation ball, and it is magnetic opposite with magnetic pole (8) to simulate ball (9) magnetic pole.
5. a kind of fill out sand tube experimental provision of simulation fracture oil reservoir according to claim 1, it is characterised in that: the tune
Locking nub (7) cross section is sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171106.8U CN208416527U (en) | 2018-07-23 | 2018-07-23 | A kind of fill out sand tube experimental provision of simulation fracture oil reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171106.8U CN208416527U (en) | 2018-07-23 | 2018-07-23 | A kind of fill out sand tube experimental provision of simulation fracture oil reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416527U true CN208416527U (en) | 2019-01-22 |
Family
ID=65123868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821171106.8U Expired - Fee Related CN208416527U (en) | 2018-07-23 | 2018-07-23 | A kind of fill out sand tube experimental provision of simulation fracture oil reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208416527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980645A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Seam making device, and system and process for simulating sand filling model displacement experiment process |
-
2018
- 2018-07-23 CN CN201821171106.8U patent/CN208416527U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980645A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Seam making device, and system and process for simulating sand filling model displacement experiment process |
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| 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: 20190122 Termination date: 20190723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |