CN204804800U - Profile control device - Google Patents
Profile control device Download PDFInfo
- Publication number
- CN204804800U CN204804800U CN201520529363.4U CN201520529363U CN204804800U CN 204804800 U CN204804800 U CN 204804800U CN 201520529363 U CN201520529363 U CN 201520529363U CN 204804800 U CN204804800 U CN 204804800U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- input
- profile control
- control device
- utility
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a profile control device to solve prior art and carry on that on -the -spot before the profile control measure need stop to annotate and liquid can take place the problem of refluence. The utility model provides a profile control device includes first pipeline, second pipeline, third pipeline, and wherein, first pipeline includes first input end, second input, third input, output, wherein, first pipeline output is used for joint injection well casing line, the delivery outlet of second pipeline with the second input is connected, the third pipeline includes input port and delivery outlet, third pipeline delivery outlet with the third input is connected, all be equipped with one -way restriction valve on second pipeline and the third pipeline, the input port of first input end, second pipeline and the input port of third pipeline all set up up. The utility model discloses the online profile control in polymer flooding oil field can be realized and the liquid refluence is handled and prevent.
Description
Technical field
The utility model relates to field of oilfield chemistry, particularly relates to a kind of profile control device.
Background technology
In oil extraction in oil field process, most widely used is tertiary oil recovery technology at present.Usually utilizing oil reservoir energy recover petroleum to call primary oil recovery; Inject water, gas to oil reservoir, be called secondary oil recovery to oil reservoir makeup energy recover petroleum; And improve oil, gas, water and rock performance each other with the material of chemistry, exploit out more oil, be called tertiary oil recovery.In tertiary oil recovery technology, chemical flooding technology occupies very important position.Chemical flooding technology is also called water drive chemical method (chemicallymodifiedwater-flooding), refers to add various chemical agent at injection water, to improve the displacement of reservoir oil of water and to involve performance, thus improves the oil production method of oil recovery factor.Effectively the most ripe with technique of polymer flooding again in chemical flooding technology.The mechanism of described polymer flooding is reinjected exactly in water and is added high molecular polymer, and increase displacement viscosity, adjustment water suction area, increases displacement volume, thus improve final oil recovery rate.
And proceed to the old filed in later stage in exploitation at present, and because well spacing is large, the number of plies is many, high osmosis, so that polymer runs off too fast along high-permeability pay, causes polymer solution sweep efficiency not high, thus reduces the oil displacement efficiency of polymer flooding.And address this problem the general profile control measures that adopts at present to improve the swept volume of polymer, namely, cross-linking agent solution is mixed in polymer solution, the two mixed solution is made to inject oil reservoir, the high osmosis of oil reservoir is reduced by the high viscosity of the two mixed liquor, polymer solution is not easily run off fast in oil reservoir, and then improves the oil displacement efficiency of polymer solution.
In prior art, the profile control measures of employing is: first inject a certain amount of polymer solution to Injection Well, then in Injection Well, injects the mixed liquor of a certain amount of polymer solution and cross-linking agent solution according to actual Flooding Efficiency.After adopting profile control measures of the prior art to need to stop note to the polymer solution of existing injection, then mixed with crosslinking agent by polymer solution at Oil Field, mixed liquor injects Injection Well the most at last.The defect of this profile control measures to realize online injection mixed liquor, could implement profile control after needing to stop note to the polymer solution of existing injection.In addition, when carrying out liquid mixing, in prior art, often there is the phenomenon that liquid flows backwards.
Therefore, be necessary to provide a kind of novel polymer flooding oil field profile control device, overcome above-mentioned defect.
Utility model content
The utility model provides a kind of profile control device, to realize the online profile control process in polymer flooding oil field.
For this reason, the utility model provides a kind of profile control device, comprises the first pipeline, second pipe, the 3rd pipeline, and wherein, the first pipeline comprises first input end, the second input, the 3rd input, output; Wherein, described first pipeline output is for connecting Injection Well pipeline; The delivery outlet of described second pipe is connected with described second input; Described 3rd pipeline comprises input port and delivery outlet, and described 3rd duct output port is connected with described 3rd input; Described second pipe and the 3rd pipeline are equipped with single-way flow restricting valve, the input port of described first input end, second pipe and the 3rd pipeline input port arrange all upward.
Above-mentioned profile control device provided by the utility model and system are by arranging a set of pipeline tandem arrangement, crosslinking agent input channel is organically connected in series to and injects between waterpipe and polymer pipeline, the online profile control process in oil field can be realized, that is, Configuration Online can need to carry out oil reservoir the mixed liquor of the injection water of profile control process, polymer solution and cross-linking agent solution without the need to stopping polymer waterflooding.In addition, the utility model is respectively equipped with single-way flow restricting valve on second pipe and the 3rd pipeline, thus effectively can prevent the refluence of liquid.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of profile control device structural representation of the utility model.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of the utility model protection.
Fig. 1 is a kind of profile control device structural representation of the utility model.As shown in Figure 1, the utility model provides a kind of profile control device, and it comprises the first pipeline 1, second pipe 2, the 3rd pipeline 3.Wherein, the first pipeline 1 comprises first input end 11, second input 12, the 3rd input 13, output 14; Wherein, the output 14 of the first pipeline 1 is for connecting Injection Well pipeline to discharge mixed liquor; The delivery outlet of described second pipe 2 is connected with the first pipeline 1 second input 12; Described 3rd pipeline 3 comprises input port 31 and delivery outlet 32, and the delivery outlet 32 of described 3rd pipeline 3 is connected with the first pipeline 1 the 3rd input 13.Described second pipe 2 and the 3rd pipeline 3 are respectively equipped with single-way flow restricting valve 5,4, the input port of described first input end 11, second pipe and the 3rd pipeline input port 31 arrange all upward.
In a feasible embodiment, the 3rd input 13 of described first pipeline 1 relative to the second input 12 closer to first input end 11.
In a specific embodiment, described second input 12 and the 3rd input 13 are located between described first input end 11 and output 14.
The operating principle of a kind of profile control device provided by the utility model is described below in conjunction with a specific embodiment:
As shown in Figure 1, it comprises the first pipeline 1, second pipe 2, the 3rd pipeline 3 to a kind of profile control device that the utility model proposes.Wherein, the first pipeline 1 comprises first input end 11, second input 12, the 3rd input 13, output 14, and wherein, first input end 11 is for inputting injection water, and output 14 is for connecting Injection Well pipeline to discharge mixed liquor.Described second input 12 and the 3rd input 13 all between first input end 11 and output 14, and, described 3rd input 13 relative to the second input 12 closer to first input end 11.Second pipe 2 one end for inputting polymer solution, the other end be connected with the first pipeline 1 second input 12 with polymer solution is input in the first pipeline 1 with injection water mix.Described 3rd pipeline 3 comprises input port 31, delivery outlet 32, input port 31 is for inputting cross-linking agent solution, delivery outlet 32 is connected with the first pipeline 1 the 3rd input 13, mix with injection water prior to polymer solution inputted cross-linking agent solution is outputted in the first pipeline 1, because cross-linking agent solution is more first than polymer solution viscosity better with the mixed mixed effect of injection water.Described second pipe 2 and the 3rd pipeline 3 are respectively equipped with single-way flow restricting valve 5,4, and described single-way flow restricting valve 4 can control cross-linking agent solution and is input to the first pipeline 1 inside and prevents injection water from being flowed out by the 3rd pipeline 3.In like manner, described single-way flow restricting valve 5 can control polymer solution to be input to the first pipeline 1 inner and prevent liquid from flowing backwards.Described cross-linking agent solution is input in the first pipeline 1 by the 3rd pipeline 3 and mixes with first liquid; Described polymer solution is input in the first pipeline 1 by second pipe 2 and mixes with first liquid.
First, the output 14 of the first pipeline 1 of the profile control device provided by the present embodiment is connected with Injection Well pipeline.Oilfield internal is when carrying out polymer flooding, and single-way flow restricting valve 4 is in closed condition, and single-way flow restricting valve 5 is in opening.Now input injection water by the first input end 11 of the first pipeline 1, and one end of second pipe 2 input polymer solution.Inject water to mix in the junction of second pipe 2 with the first pipeline 1 with polymer solution, described mixed mixed liquor is discharged in Injection Well pipeline by the output 14 of the first pipeline 1.
When needs carry out profile control process to oil reservoir, open single-way flow restricting valve 4, input cross-linking agent solution by the input port 31 of the 3rd pipeline 3.Described cross-linking agent solution enters into the first pipeline 1 and mixes with injection water; Described mixed mixed liquor continues flowing, and again mixes with polymer solution through the junction of second pipe 2 with the first pipeline 1.Mixed mixed liquor is the solution needed for profile control again, and described mixed mixed liquor is again discharged in Injection Well pipeline by the output 14 of the first pipeline 1 to carry out profile control.
The profile control device that the present embodiment provides is by arranging a set of pipeline tandem arrangement, crosslinking agent input channel is organically connected in series to and injects between waterpipe and polymer pipeline, the online profile control process in oil field can be realized, that is, Configuration Online can need to carry out oil reservoir the mixed liquor of the injection water of profile control process, polymer solution and cross-linking agent solution without the need to stopping polymer waterflooding.Simultaneously by single line flow-limiting valve, can effectively prevent liquid from flowing backwards.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a profile control device, is characterized in that, comprises the first pipeline, second pipe, the 3rd pipeline, and wherein, the first pipeline comprises first input end, the second input, the 3rd input, output; Wherein, described first pipeline output is for connecting Injection Well pipeline; The delivery outlet of described second pipe is connected with described second input; Described 3rd pipeline comprises input port and delivery outlet, and described 3rd duct output port is connected with described 3rd input; Described second pipe and the 3rd pipeline are respectively equipped with single-way flow restricting valve, the input port of described first input end, second pipe and the 3rd pipeline input port arrange all upward.
2. a kind of profile control device as claimed in claim 1, is characterized in that, the 3rd input of described first pipeline relative to the second input closer to first input end.
3. a kind of profile control device as claimed in claim 1, is characterized in that, described second input and the 3rd input are located between described first input end and output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529363.4U CN204804800U (en) | 2015-07-21 | 2015-07-21 | Profile control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529363.4U CN204804800U (en) | 2015-07-21 | 2015-07-21 | Profile control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804800U true CN204804800U (en) | 2015-11-25 |
Family
ID=54589642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529363.4U Expired - Fee Related CN204804800U (en) | 2015-07-21 | 2015-07-21 | Profile control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929599A (en) * | 2015-07-21 | 2015-09-23 | 胡显三 | Profile control device |
-
2015
- 2015-07-21 CN CN201520529363.4U patent/CN204804800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929599A (en) * | 2015-07-21 | 2015-09-23 | 胡显三 | Profile control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203043862U (en) | Oilfield flooding profile control agent mixing device | |
| US7942200B2 (en) | Downhole fluid injection dispersion device | |
| CN202832449U (en) | Polymer flooding oil field on line profile control device | |
| CN204804800U (en) | Profile control device | |
| CN203808956U (en) | Profile control device and system | |
| CN204511374U (en) | One can reverse circulating leak stopping bypass valve | |
| CN104929599A (en) | Profile control device | |
| CN203963499U (en) | A kind of oil-gas mixing conveying system | |
| CN204283373U (en) | A kind of hydraulic jet perforation choke manifold | |
| CN102925124A (en) | Temporary plugging composition of oil layer and application method | |
| CN202823189U (en) | Polymer flooding oil field on line profile control anti-shear solution mixing device | |
| CN204175264U (en) | Super-viscous oil oil well open flow is two mixes viscosity-falling unit | |
| CN109973060A (en) | A kind of device and method improving oil recovery rate | |
| CN104196495A (en) | Three-compound combination flooding scale-prevention water and chemical adding device for wellhead | |
| CN206668237U (en) | Skid-mounted type gel foam transfer drive device | |
| CN106368656A (en) | Oilfield water injection system and oilfield water injection method | |
| CN210033389U (en) | Device for improving recovery ratio of oil field | |
| CN204877402U (en) | Oil field alternate water injection and CO2's device | |
| CN204646203U (en) | A kind of single pump injected system of applicable two-fluid process system | |
| CN102817602B (en) | On-line profile control method and device for polymer flooding oil field | |
| CN203448043U (en) | Underground synthetic gel profile control matching device | |
| CN209354083U (en) | A kind of pipeline static mixer | |
| Fedorov et al. | Increasing of operation efficiency of low pressure gas wells by using of gas-jet device's | |
| CN204024542U (en) | A kind of borehole pump safety valve pressure release flow path device | |
| RU95026U1 (en) | RING LIMITER OF LIQUID, GAS OR GAS-LIQUID MIXTURE IN A WELL |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160721 |