CN202823189U - Polymer flooding oil field on line profile control anti-shear solution mixing device - Google Patents
Polymer flooding oil field on line profile control anti-shear solution mixing device Download PDFInfo
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- CN202823189U CN202823189U CN 201220443498 CN201220443498U CN202823189U CN 202823189 U CN202823189 U CN 202823189U CN 201220443498 CN201220443498 CN 201220443498 CN 201220443498 U CN201220443498 U CN 201220443498U CN 202823189 U CN202823189 U CN 202823189U
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Abstract
The utility model discloses a polymer flooding oil field on line profile control anti-shear solution mixing device which comprises an annular solution mixing device and a solution inlet pipeline of crosslinking agent solution. The annular solution mixing device is provided with an annular containing cavity. A solution inlet horn mouth is formed in one end of the annular solution mixing device. A solution outlet horn mouth is formed in the other end of the annular solution mixing device. The solution inlet pipeline of the crosslinking agent solution is connected with the inner ring wall of the annular solution mixing device. One end of the solution inlet pipeline of the crosslinking agent solution is connected with a shower head, wherein the end of the solution inlet pipeline of the crosslinking agent solution stretches into the annular solution mixing device. The shower head is opposite to the solution inlet horn mouth. The polymer flooding oil field on line profile control anti-shear solution mixing device has the advantages of fully mixing polymer solution and the crosslinking agent solution, the polymer solution and the crosslinking agent solution are mixed in a speed reduction nonturbulent static mode in the polymer flooding oil field on line profile control anti-shear solution mixing device, and effectively preventing viscosity of the polymer solution from reducing due to shearing.
Description
Technical field
The utility model is relevant for a kind of profile control mixer for liquid, especially relevant for the anti-mixer for liquid of shearing of the online profile control in polymer flooding oil field that improves polymer flooding oil field recovery ratio in a kind of Oil-Gas Field Development Engineering technical field.
Background technology
At present, the large-scale oil field of China, such as Daqing oil field, the east oilfields such as Shengli Oil Field have all entered to be developed latter stage, output has successively decreasing in various degree, and newly-increased reserves increase more and more slower, and exploration cost and difficulty are also increasing, therefore control moisturely, stablize present crude output, farthest improve ultimate recovery, being utilized and being developed of economical rationality, whole petroleum industry is had very important effect, and tertiary oil recovery technology is the technology that can reach so far this requirement, in tertiary oil recovery technology, the chemical flooding technology is occupied center-stage, and is effectively the most ripe with technique of polymer flooding again in the chemical flooding.The mechanism of polymer flooding adds high molecular polymer exactly in injected water, increase displacing phase viscosity, adjusts intake profile, increases the displacing phase swept volume, thereby improves ultimate recovery.
The polymer flooding oil field is because well spacing is large, oil reservoir is thick, the number of plies is many, anisotropism is serious, and polymer solution is scurried into oil well along high permeability zone, causes sweep efficiency not high, thereby reduced the development effectiveness of polymer flooding, to fundamentally address this problem, just must adopt the way of profile control and water plugging to improve intake profile, improve the water drive sweep efficiency, namely, adopt polymer solution and cross-linking agent solution to mix, make the two mixed solution inject oil reservoir, to carry out heavy dose of deep profile controlling.
In the prior art, adopt Multi-component high-pressure mixing injector that polymer solution and cross-linking agent solution are carried out mix and blend, it mainly realizes mixing to polymer solution and cross-linking agent solution by being arranged on a plurality of guide vanes in the mixing drum, but, because the viscosity differences of polymer solution and cross-linking agent solution is larger, the viscosity of polymer solution is 100～200 times of cross-linking agent solution viscosity, when the two flows downward along mixing drum, the flow velocity of polymer solution and cross-linking agent solution is different, and the two is difficult to fully mix in mixing drum; In addition, because polymer solution is in turbulent condition, its flow velocity is very fast, be arranged on guide vane on the mixing drum internal perisporium and not only play the effect that polymer solution and cross-linking agent solution are stirred, it also can have to the mixed liquor of polymer solution and cross-linking agent solution certain shear action, the mixed liquor of polymer solution and cross-linking agent solution is owing to shear action causes reduced viscosity, thereby causes the mixed liquor finally prepared undesirable to the profile control effect of oil reservoir.
Therefore, be necessary to provide a kind of novel profile control mixer for liquid, overcome defects.
The utility model content
The purpose of this utility model provides the anti-mixer for liquid of shearing of the online profile control in a kind of polymer flooding oil field, it can fully mix polymer solution and cross-linking agent solution, polymer solution and cross-linking agent solution are reduction of speed nonturbulent flow static mixing in the anti-shearing of this online profile control in polymer flooding oil field mixer for liquid, prevent that effectively polymer solution from reducing viscosity because of shearing.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides the online profile control in a kind of polymer flooding oil field the anti-mixer for liquid of shearing, and the anti-mixer for liquid of shearing of the online profile control in described polymer flooding oil field comprises:
The annular mixer for liquid, it has annular container cavity, and an end of described annular mixer for liquid offers the feed liquor horn mouth, and its other end offers the fluid horn mouth;
Cross-linking agent solution feed liquor pipeline, it is connected on the internal ring wall of described annular mixer for liquid, and the end that described cross-linking agent solution feed liquor pipeline stretches into described annular mixer for liquid is connected with shower nozzle, and described shower nozzle is relative with described feed liquor horn mouth.
In preferred embodiment, described shower nozzle is spherical shower nozzle, offers a plurality of fluid through-holes that go out in a described shower nozzle side relative with described feed liquor horn mouth.
In preferred embodiment, the described diameter that goes out fluid through-hole is 1～2mm.
Anti-characteristics and the advantage of shearing mixer for liquid of the online profile control in polymer flooding of the present utility model oil field is: polymer solution and cross-linking agent solution can carry out full and uniform mixing in annular mixer for liquid, polymer solution and cross-linking agent solution are reduction of speed nonturbulent flow static mixing in annular container cavity, prevent that effectively polymer solution from falling low viscous situation because of shearing and occuring.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the anti-structural representation of shearing mixer for liquid of the online profile control in polymer flooding of the present utility model oil field.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides the online profile control in a kind of polymer flooding oil field the anti-mixer for liquid of shearing, and it comprises annular mixer for liquid 1 and cross-linking agent solution feed liquor pipeline 2.Wherein: annular mixer for liquid 1 has annular container cavity 11, and an end of described annular mixer for liquid 1 offers feed liquor horn mouth 12, and its other end offers fluid horn mouth 13; Cross-linking agent solution feed liquor pipeline 2 is connected on the internal ring wall of described annular mixer for liquid 1, and the end that described cross-linking agent solution feed liquor pipeline 2 stretches into described annular mixer for liquid 1 is connected with shower nozzle 3, and described shower nozzle 3 is relative with described feed liquor horn mouth 12.
Specifically, annular mixer for liquid 1 is the elliptical ring annular shape substantially, feed liquor horn mouth 12 is opened in an end of the right external annulus of the major axis of elliptical perimeter mixer for liquid 1, fluid horn mouth 13 is opened in the other end of the right external annulus of the major axis of annular mixer for liquid 1, and this fluid horn mouth 13 is relative along the major axis of annular mixer for liquid 1 with feed liquor horn mouth 12.
Cross-linking agent solution feed liquor pipeline 2 internal ring walls from annular mixer for liquid 1 stretch into the annular container cavity 11 of annular mixer for liquid 1; Shower nozzle 3 is connected to cross-linking agent solution feed liquor pipeline 2 and stretches into a end in the annular mixer for liquid 1 annular container cavity 11, this shower nozzle 3 is relative with feed liquor horn mouth 12, in the present embodiment, shower nozzle 3 is spherical shower nozzle, offer a plurality of fluid through-holes 31 that go out in shower nozzle 3 and feed liquor horn mouth 12 relative sides, the benefit that arranges like this is, cross-linking agent solution can be spouting in the face of a plurality of on the side hemisphere face of feed liquor horn mouth 12 directions go out fluid through-hole 31 from spherical shower nozzle 3, the injection of cross-linking agent solution is radial, cross-linking agent solution is fully mixed with polymer solution, improve the mixability of the two, in the present embodiment, this diameter that goes out fluid through-hole 31 is 1～2mm.
When carrying out the mixing of polymer solution and cross-linking agent solution, at first, a polymer solution feed liquor pipeline 4 is connected on the feed liquor horn mouth 12, a mixed liquor fluid pipeline 5 is connected to fluid horn mouth 13 places; Afterwards, polymer solution autohemagglutination compound solution feed liquor pipeline 4 is injected annular mixer for liquid 1, cross-linking agent solution self-crosslinking agent solution feed liquor pipeline 2 is injected annular mixer for liquid 1, because the diameter of feed liquor horn mouth 12 increases gradually along the flow direction (direction of arrow indication among Fig. 1) of polymer solution, the flow velocity of polymer solution slows down gradually at feed liquor horn mouth 12 places, the cross-linking agent solution that inject to shower nozzle 3 places by cross-linking agent solution feed liquor pipeline 2 this moment, a plurality of on shower nozzle 3 go out fluid through-hole 31 and are radial ejection, because of the flow direction of polymer solution and cross-linking agent solution opposite, polymer solution and cross-linking agent solution can mix more fully at feed liquor horn mouth 12 places of annular mixer for liquid 1, flow into afterwards in the annular container cavity 11, by buffering, reduction of speed further mixes, until when arriving fluid horn mouth 13 place, polymer solution and cross-linking agent solution can have the sufficient time evenly to mix, and flow out annular mixer for liquid 1 by fluid horn mouth 13 at last.
The utility model mixes by 1 pair of polymer solution of annular mixer for liquid and cross-linking agent solution, polymer solution and cross-linking agent solution are reduction of speed nonturbulent flow static mixing in annular container cavity 11, the two can carry out full and uniform mixing in annular mixer for liquid 1, prevent that effectively polymer solution from falling low viscous situation because of shearing and occuring.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment according to the disclosed content of application documents and not break away from spirit and scope of the present utility model.
Claims (3)
1. the anti-mixer for liquid of shearing of the online profile control in polymer flooding oil field is characterized in that, the anti-mixer for liquid of shearing of the online profile control in described polymer flooding oil field comprises:
The annular mixer for liquid, it has annular container cavity, and an end of described annular mixer for liquid offers the feed liquor horn mouth, and its other end offers the fluid horn mouth;
Cross-linking agent solution feed liquor pipeline, it is connected on the internal ring wall of described annular mixer for liquid, and the end that described cross-linking agent solution feed liquor pipeline stretches into described annular mixer for liquid is connected with shower nozzle, and described shower nozzle is relative with described feed liquor horn mouth.
2. the anti-mixer for liquid of shearing of the online profile control in polymer flooding oil field as claimed in claim 1 is characterized in that described shower nozzle is spherical shower nozzle, offers a plurality of fluid through-holes that go out in a described shower nozzle side relative with described feed liquor horn mouth.
3. the anti-mixer for liquid of shearing of the online profile control in polymer flooding oil field as claimed in claim 2 is characterized in that, the described diameter that goes out fluid through-hole is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220443498 CN202823189U (en) | 2012-08-31 | 2012-08-31 | Polymer flooding oil field on line profile control anti-shear solution mixing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220443498 CN202823189U (en) | 2012-08-31 | 2012-08-31 | Polymer flooding oil field on line profile control anti-shear solution mixing device |
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| CN202823189U true CN202823189U (en) | 2013-03-27 |
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| CN 201220443498 Expired - Fee Related CN202823189U (en) | 2012-08-31 | 2012-08-31 | Polymer flooding oil field on line profile control anti-shear solution mixing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512763A (en) * | 2016-12-12 | 2017-03-22 | 中海石油（中国）有限公司天津分公司 | Offshore field polymer dissolution and enforceable uniform-mixing device |
| CN111227085A (en) * | 2020-04-08 | 2020-06-05 | 山东顺天智慧农业有限公司 | Preparation method and device of six-root tea product |
| CN113153251A (en) * | 2021-02-07 | 2021-07-23 | 胜利油田胜利泵业有限责任公司 | Rotary shearing type polymer viscosity reduction device |
-
2012
- 2012-08-31 CN CN 201220443498 patent/CN202823189U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512763A (en) * | 2016-12-12 | 2017-03-22 | 中海石油（中国）有限公司天津分公司 | Offshore field polymer dissolution and enforceable uniform-mixing device |
| CN106512763B (en) * | 2016-12-12 | 2018-12-28 | 中海石油（中国）有限公司天津分公司 | A kind of offshore oilfield polymer dissolution pressure evenly mixing device |
| CN111227085A (en) * | 2020-04-08 | 2020-06-05 | 山东顺天智慧农业有限公司 | Preparation method and device of six-root tea product |
| CN113153251A (en) * | 2021-02-07 | 2021-07-23 | 胜利油田胜利泵业有限责任公司 | Rotary shearing type polymer viscosity reduction device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20210831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |