CN203616309U - Testing device for polymeride jelly intensity estimation - Google Patents
Testing device for polymeride jelly intensity estimation Download PDFInfo
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- CN203616309U CN203616309U CN201320731439.2U CN201320731439U CN203616309U CN 203616309 U CN203616309 U CN 203616309U CN 201320731439 U CN201320731439 U CN 201320731439U CN 203616309 U CN203616309 U CN 203616309U
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- cylinder
- proving installation
- porous medium
- liquid storage
- polymer gel
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- 238000012360 testing method Methods 0.000 title abstract description 24
- 235000015110 jellies Nutrition 0.000 title abstract description 6
- 239000008274 jelly Substances 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000004576 sand Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 41
- 239000003292 glue Substances 0.000 claims description 29
- 229920000642 polymer Polymers 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000011156 evaluation Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 23
- 239000000499 gel Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 241000283216 Phocidae Species 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a testing device for polymeride jelly intensity estimation. The testing device comprises a pressurizing device, a porous medium testing device, a heating constant-temperature device, and a measuring device, wherein the upper end of the porous medium testing device is connected with the pressurizing device; the measuring device is arranged under the porous medium testing device; the heating constant-temperature device surrounds the porous medium testing device; the porous medium testing device comprises a liquid storage cylinder and a sand core cylinder which are butted up and down; the liquid storage cylinder is filled with water and jelly; a sand core is arranged in the sand core cylinder; the jelly in the liquid storage cylinder is pressed into the sand core cylinder through pressurization; a liquid cylinder cover is arranged at the upper end of the liquid storage cylinder; an annular seal ring is additionally arranged between the liquid cylinder cover and the upper end of the liquid storage cylinder; sand screens are arranged at the top and the bottom of the sand core cylinder; a perforated metal pad is arranged on the sand screen at the top. The testing device not only can simulate stratum conditions to improve testing accuracy, but also is used for jelly intensity performance test and seepage mechanism analysis.
Description
Technical field
The utility model relates to the device of strength test, especially a kind of proving installation for polymer gel intensity evaluation.
Background technology
In heterogeneous reservoir performance history, polymer gel is widely used in shutoff high infiltration strip and improves oil recovery factor.Gel strength is that evaluation polymer gel is substantially the most also one of most important parameter.Therefore, the accuracy of method of testing directly determines that can the system of selecting get a desired effect in field use.Have range estimation code method, transistion pressure method, viscometer determining method, falling ball method and rock core breakthrough pressure method etc. for the method for test polymer gel strength at present, and all there is in actual applications certain deficiency in these method of testings:
Range estimation code method is easy intuitively, gelation time length is all suitable, but measurement result acceptor viewing sound is larger, and just evaluates qualitatively gel strength.
The transistion pressure test duration is short, and instrument and equipment is simple, but in transistion pressure proving installation, screen cloth can not react porous media structure feature, between the aperture of screen cloth and polymer gel micelle physical dimension, also has matching problem.
Rotary viscosity instrumentation gel strength is a kind of conventional method in laboratory, but in test process, because the phenomenon such as pole-climbing, frozen glue fragmentation usually appears being wound around in the characteristic of frozen glue, makes the fluctuation of viscosimetric analysis value larger.
Falling ball method is measured gel strength, and its method is simple and easy, easily capable.But the method is applicable to the jelly system that intensity is larger, should not evaluate by the method for weak frozen glue.
Breakthrough pressure test can be more approaching simulation stratum condition, objective evaluation goes out the nature and characteristic of polymer gel, but test process not only the time long, and instrument equipment is also more, is not suitable for the daily production monitoring of mining site.
Chinese patent CN27813541Y (200420099087.7) discloses a kind of polymer gel ratemeter, and the utility model is mainly made up of support, measuring head, electronic balance, frozen glue container four parts.This device is realized the measurement of polymer gel intensity by measuring frozen glue bearing capacity.Because frozen glue has certain intensity, in the time that being applied on it, acting force can go out by measuring the numerical measuring of acting force the intensity of frozen glue.Although the utility model is simple in structure, easy to operate, also realize quantitative test, in application, also have some limitations, measurement result only can be used as qualitative reference, not can be used as the basic data of quantitative examination.
Summary of the invention
The purpose of this utility model is to provide a kind of proving installation for polymer gel intensity evaluation, and not only better simulation stratum condition improves test accuracy, but also can be used for gel strength performance test and analysis of seepage flow mechanism.
In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, a kind of proving installation for polymer gel intensity evaluation, comprise pressue device, porous medium proving installation, heating constant-temperature equipment, measuring apparatus, described porous medium proving installation upper end connects pressue device, below is provided with measuring apparatus, and described heating constant-temperature equipment is enclosed in the outside of porous medium proving installation.
Described porous medium proving installation comprises the liquid storage cylinder, the core cylinder that connect up and down, and the in-built water of described liquid storage cylinder and frozen glue are equipped with core in described core cylinder, and the frozen glue of described liquid storage cylinder is depressed into core cylinder inside by pressurization.
Described liquid storage cylinder upper end arranges fluid cylinder lid, the connector being connected with pressue device is offered at fluid cylinder lid center, between fluid cylinder lid and liquid storage cylinder upper end, add grommet type seals, fluid cylinder covers and is also provided with atmospheric valve, and described core cylinder bottom is provided with the pipeline towards measuring apparatus.
The top of described core cylinder and bottom are provided with sand net, and the online face of sand at described top is also provided with perforated metal pad.
Described heating constant-temperature equipment comprises heating jacket, thermostatic circulation bath, and described heating jacket is connected with thermostatic circulation bath by turnover circulation pipe.
Described pressue device is the nitrogen cylinder with reduction valve, and nitrogen cylinder connects porous medium proving installation by pipeline.
Described measuring apparatus comprises electronic balance and is placed on the beaker on electronic balance.
Described porous medium proving installation is seated on trestle table, and measuring apparatus is placed on trestle table below corresponding up and down with porous medium proving installation.
Compared to prior art, the utlity model has following beneficial effect:
The utility model is mainly made up of pressue device (nitrogen cylinder and reduction valve), porous medium proving installation (core cylinder and liquid storage cylinder), heating constant-temperature equipment (thermostatic circulation bath and heating jacket), measuring apparatus (beaker and electronic balance) four major parts.Nitrogen cylinder is connected into porous medium proving installation after reduction valve decompression, for it provides required pressure.The heating jacket being connected with thermostatic circulation bath provides required temperature for testing.In porous medium proving installation, core cylinder is by adding certain order number, and silica sand or the reservoir sand of certain mass carry out simulation stratum condition as core; Liquid storage cylinder can splendid attire water or frozen glue solution.Beaker and electronic balance are positioned over core cylinder below, are convenient to collect and metering filtrate.
The measurement of polymer gel intensity can realize by measuring frozen glue breakthrough pressure gradient.The frozen glue of clamp-oning core is pressurizeed, in the time of water breakthrough frozen glue in liquid storage cylinder, on reduction valve, can read a maximal value, invade the degree of depth of core by this value divided by frozen glue, just can calculate the breakthrough pressure gradient value of frozen glue.Can test out the residual resistance factor of frozen glue simultaneously.
In a word, the utlity model has following advantage:
1. this device, using core as tested media, is measured the intensity of frozen glue, and more traditional screen media is more true to nature to the simulation of down-hole situation.
2. porous medium proving installation (liquid storage cylinder and core cylinder) profile material is transparent organic glass, in test process, can observe the invasion depth of frozen glue, is convenient to carry out the calculating of breakthrough pressure gradient, thereby provides data more accurately for scene.
3. this device to test is reliable, and easy to operate, safety can provide one test evaluation means efficiently for relevant research and production.
Accompanying drawing explanation
Fig. 1 is the structural drawing of a kind of proving installation for polymer gel intensity evaluation of the present utility model;
Fig. 2 is porous medium proving installation structural representation.
In figure: 1. fluid cylinder lid, 2. liquid storage cylinder, 3. heating jacket, 4. perforated metal pad, 5. core, 6. core cylinder, 7. sand net, 8. trestle table, 9. beaker, 10. electronic balance, 11. thermostatic circulation baths, 12. frozen glue, 13. sand nets, 14. water, 15. grommet type sealss, 16. atmospheric valves, 17. reduction valve, 18. nitrogen cylinders.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
As shown in Figure 1-2, a kind of proving installation for polymer gel intensity evaluation, comprise pressue device, porous medium proving installation, heating constant-temperature equipment, measuring apparatus, described porous medium proving installation upper end connects pressue device, below is provided with measuring apparatus, and described heating constant-temperature equipment is enclosed in the outside of porous medium proving installation.Described porous medium proving installation comprises the liquid storage cylinder 2, the core cylinder 6 that connect up and down, and the in-built water 14 of described liquid storage cylinder and frozen glue 12, be equipped with core 5 in described core cylinder, and the frozen glue 12 of described liquid storage cylinder is depressed into core cylinder 6 inside by pressurization.Described liquid storage cylinder upper end arranges fluid cylinder lid 1, the connector being connected with pressue device is offered at fluid cylinder lid center, between fluid cylinder lid and liquid storage cylinder upper end, add grommet type seals 15, fluid cylinder covers and is also provided with atmospheric valve 16, and described core cylinder bottom is provided with the pipeline towards measuring apparatus.The top of described core cylinder and bottom are provided with sand net, are respectively sand net 13 and sand net 7, and the online face of sand at described top is also provided with perforated metal pad 4.Described heating constant-temperature equipment comprises heating jacket 3, thermostatic circulation bath 11, and described heating jacket is connected with thermostatic circulation bath by turnover circulation pipe.Described pressue device is the nitrogen cylinder 18 with reduction valve 17, and nitrogen cylinder connects porous medium proving installation by pipeline.Described measuring apparatus comprises electronic balance 10 and is placed on the beaker 9 on electronic balance.Described porous medium proving installation is seated on trestle table 8, and measuring apparatus is placed on trestle table below corresponding up and down with porous medium proving installation.
Polymer gel intensity evaluation instrument using method is as follows:
1, the silica sand or the reservoir sand that take certain order number, certain mass, join in core cylinder, connects instrument according to Fig. 1;
2, in liquid storage cylinder, add Simulated Water or local water, the saturated core that pressurizes, and measure original permeability by the metering of balance.
3, in order to shorten the test duration, the frozen glue after plastic is added to liquid storage cylinder, core cylinder just clamp-oned by frozen glue by pressurization, opens blowdown valve pressure release, and measure frozen glue invasion depth.
4, liquid storage cylinder rejoins Simulated Water or local water pressurizes, and observes the tensimeter on reduction valve, and the maximal value that tensimeter reaches is breakthrough pressure.
5, continue to rinse core, after pressure versus flow is stable, measure frozen glue permeability after treatment.
6, finish experiment, arrange and clean instrument.
7, data processing, calculates breakthrough pressure gradient and residual resistance factor.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (8)
1. the proving installation for polymer gel intensity evaluation, it is characterized in that, comprise pressue device, porous medium proving installation, heating constant-temperature equipment, measuring apparatus, described porous medium proving installation upper end connects pressue device, below is provided with measuring apparatus, and described heating constant-temperature equipment is enclosed in the outside of porous medium proving installation.
2. a kind of proving installation for polymer gel intensity evaluation according to claim 1, it is characterized in that, described porous medium proving installation comprises the liquid storage cylinder, the core cylinder that connect up and down, the in-built water of described liquid storage cylinder and frozen glue, in described core cylinder, core is housed, the frozen glue of described liquid storage cylinder is depressed into core cylinder inside by pressurization.
3. a kind of proving installation for polymer gel intensity evaluation according to claim 2, it is characterized in that, described liquid storage cylinder upper end arranges fluid cylinder lid, the connector being connected with pressue device is offered at fluid cylinder lid center, between fluid cylinder lid and liquid storage cylinder upper end, add grommet type seals, fluid cylinder covers and is also provided with atmospheric valve, and described core cylinder bottom is provided with the pipeline towards measuring apparatus.
4. a kind of proving installation for polymer gel intensity evaluation according to claim 2, is characterized in that, the top of described core cylinder and bottom are provided with sand net, and the online face of sand at described top is also provided with perforated metal pad.
5. a kind of proving installation for polymer gel intensity evaluation according to claim 1, is characterized in that, described heating constant-temperature equipment comprises heating jacket, thermostatic circulation bath, and described heating jacket is connected with thermostatic circulation bath by turnover circulation pipe.
6. a kind of proving installation for polymer gel intensity evaluation according to claim 1, is characterized in that, described pressue device is the nitrogen cylinder with reduction valve, and nitrogen cylinder connects porous medium proving installation by pipeline.
7. a kind of proving installation for polymer gel intensity evaluation according to claim 1, is characterized in that, described measuring apparatus comprises electronic balance and is placed on the beaker on electronic balance.
8. a kind of proving installation for polymer gel intensity evaluation according to claim 1, is characterized in that, described porous medium proving installation is seated on trestle table, and measuring apparatus is placed on trestle table below corresponding up and down with porous medium proving installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731439.2U CN203616309U (en) | 2013-11-19 | 2013-11-19 | Testing device for polymeride jelly intensity estimation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731439.2U CN203616309U (en) | 2013-11-19 | 2013-11-19 | Testing device for polymeride jelly intensity estimation |
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| Publication Number | Publication Date |
|---|---|
| CN203616309U true CN203616309U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320731439.2U Expired - Fee Related CN203616309U (en) | 2013-11-19 | 2013-11-19 | Testing device for polymeride jelly intensity estimation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090073A (en) * | 2014-07-03 | 2014-10-08 | 中国石油大学(北京) | High-temperature leak stopping gel performance tester |
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2013
- 2013-11-19 CN CN201320731439.2U patent/CN203616309U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090073A (en) * | 2014-07-03 | 2014-10-08 | 中国石油大学(北京) | High-temperature leak stopping gel performance tester |
| CN104090073B (en) * | 2014-07-03 | 2016-01-20 | 中国石油大学(北京) | High temperature leak stopping gelling performance tester |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |