CN203808956U - Profile control device and system - Google Patents
Profile control device and system Download PDFInfo
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- CN203808956U CN203808956U CN201420056873.XU CN201420056873U CN203808956U CN 203808956 U CN203808956 U CN 203808956U CN 201420056873 U CN201420056873 U CN 201420056873U CN 203808956 U CN203808956 U CN 203808956U
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Abstract
The utility model provides a profile control device and system to solve the problem that prior art need stop annotating before carrying out the profile control measure on site. The utility model provides a profile control device, which comprises a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline comprises a first input end, a second input end, a third input end and an output end; wherein the first pipeline output end is used for connecting an injection well pipeline; one end of the second pipeline is connected with the second input end; the third pipeline comprises an input port and an output port, and the output port of the third pipeline is connected with the third input port; the valve is installed in the third pipeline and is used for controlling the input of the third liquid into the first pipeline. The utility model discloses can realize the online profile control in polymer flooding oil field and handle.
Description
Technical field
The utility model relates to oilfield chemistry field, relates in particular to a kind of profile control device and system.
Background technology
In oil extraction in oil field process, at present most widely used is tertiary oil recovery technology.Conventionally utilizing oil reservoir energy recover petroleum to call primary oil recovery; To oil reservoir injected water, gas, be called secondary oil recovery to oil reservoir makeup energy recover petroleum; And improve oil, gas, water and rock performance each other with chemical material, and exploit out more oil, be called tertiary oil recovery.In tertiary oil recovery technology, chemical flooding technology is occupied very important position.Chemical flooding technology is called again water drive chemical method (chemicallymodified water-flooding), and refer to and in injected water, add various chemical agents, to improve the displacement of reservoir oil of water and to involve performance, thus the oil production method of raising 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, increases displacement viscosity, adjusts water suction area, increases displacement volume, thereby improves 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 is too fast along high-permeability pay loss, causes polymer solution sweep efficiency not high, thereby has reduced the oil displacement efficiency of polymer flooding.And address this problem at present the measure of general employing profile control and improve the swept volume of polymer,, cross-linking agent solution is mixed in polymer solution, make the two mixed solution inject oil reservoir, reduce the high osmosis of oil reservoir by the high viscosity of the two mixed liquor, make polymer solution in oil reservoir, be difficult for running off fast, and then improve the oil displacement efficiency of polymer solution.
In prior art, the profile control measure of employing is: first inject a certain amount of polymer solution to Injection Well, then according to actual displacement effect to the mixed liquor that injects a certain amount of polymer solution and cross-linking agent solution in Injection Well.Adopt profile control measure of the prior art to stop after note the polymer solution of existing injection, then at Oil Field, polymer solution is mixed with crosslinking agent, mixed liquor injects Injection Well the most at last.The defect of this profile control measure is to realize online injection mixed liquor, need to stop could implement profile control after note to the polymer solution of existing injection.
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 and system, to realize the online profile control processing 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 the first pipeline output is used for connecting Injection Well pipeline; Described second pipe one end is connected with described the second input; Described the 3rd pipeline comprises input port and delivery outlet, and described the 3rd pipeline delivery outlet is connected with described the 3rd input; Described valve is arranged on the 3rd pipeline, and described valve is input to the first pipe interior for the liquid of controlling in the 3rd pipeline.
The utility model also provides a kind of profile control system, comprises profile control device and injection pump, storage tank; Described 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 the first pipeline output is used for connecting Injection Well pipeline; Described second pipe one end is connected with described the second input; Described the 3rd pipeline comprises input port and delivery outlet, and described the 3rd pipeline delivery outlet is connected with described the 3rd input; Described valve is arranged on the 3rd pipeline, and described valve is input to the first pipe interior for the liquid of controlling in the 3rd pipeline; Described injection pump comprises liquid inlet and liquid outlet, described liquid outlet and described input port be connected, described liquid inlet communicates by pipeline with storage tank.
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 between injected water pipeline and polymer pipeline, can realize the online profile control process in oil field,, without the mixed liquor that stops polymer waterflooding and can Configuration Online need to carry out oil reservoir injected water, polymer solution and the cross-linking agent solution of profile control processing.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of profile control device structural representation of the utility model;
Fig. 2 is a kind of profile control system architecture of the utility model schematic diagram;
Fig. 3 is a kind of profile control system embodiment of the utility model structural representation.
Detailed description of the invention
In order to make those skilled in the art person understand better the technical scheme in the application, 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 embodiment.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, should belong to the scope that the utility model is protected.
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, the 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; One end of described second pipe 2 is connected with the first pipeline 1 second input 12; Described the 3rd pipeline 3 comprises input port 31 and delivery outlet 32, and the delivery outlet 32 of described the 3rd pipeline 3 is connected with the first pipeline 1 the 3rd input 13.On described the 3rd pipeline 3, be provided with valve 4, the liquid that described valve 4 can be controlled in the 3rd pipeline 3 is input to the first pipeline 1 inside.
In a feasible embodiment, the 3rd input 13 of described the first pipeline 1 is with respect to the more close first input end 11 of the second input 12.
In a specific embodiment, described the 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 the utility model proposes.Wherein, the first pipeline 1 comprises first input end 11, the second input 12, the 3rd input 13, output 14, and wherein, first input end 11 is for inputting injected water, and output 14 is for connecting Injection Well pipeline to discharge mixed liquor.Described the second input 12 and the 3rd input 13 are all between first input end 11 and output 14, and described the 3rd input 13 is with respect to the more close first input end 11 of the second input 12.Second pipe 2 one end are used for inputting polymer solution, and the other end is connected and mixes with injected water polymer solution is input in the first pipeline 1 with the first pipeline 1 second input 12.Described the 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, so that the cross-linking agent solution of being inputted is outputed in the first pipeline 1 and to be mixed with injected water prior to polymer solution, because cross-linking agent solution is first better with the mixed mixed effect of injected water than polymer solution viscosity.On described the 3rd pipeline 3, be provided with valve 4, described valve 4 can be controlled cross-linking agent solution and is input to the first pipeline 1 inside and prevents that injected water from being flowed out by the 3rd pipeline 3.Described cross-linking agent solution is input in the first pipeline 1 and is mixed with first liquid by the 3rd pipeline 3; Described polymer solution is input in the first pipeline 1 and is mixed with first liquid by second pipe 2.
The output 14 of the first pipeline 1 of the profile control device first, the present embodiment being provided is connected with Injection Well pipeline.Oilfield internal is in the time carrying out polymer flooding, and valve 4, in closed condition, is now inputted injected water by the first input end 11 of the first pipeline 1, and one end of second pipe 2 input polymer solution.Injected water mixes with the junction of the first pipeline 1 at second pipe 2 with polymer solution, and described mixed mixed liquor is discharged in Injection Well pipeline by the output 14 of the first pipeline 1.
In the time that needs carry out profile control processing to oil reservoir, open 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 to be mixed with injected water; Described mixed mixed liquor continues to flow, and again mixes with polymer solution with the junction of the first pipeline 1 through second pipe 2.Mixed mixed liquor is the required solution of profile control again, and described mixed mixed liquor is again discharged in Injection Well pipeline to carry out profile control by the output 14 of the first pipeline 1.
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 between injected water pipeline and polymer pipeline, can realize the online profile control process in oil field,, without the mixed liquor that stops polymer waterflooding and can Configuration Online need to carry out oil reservoir injected water, polymer solution and the cross-linking agent solution of profile control processing.
Fig. 2 is a kind of profile control system architecture of the utility model schematic diagram.As shown in Figure 2, the utility model also provides a kind of profile control system, and it comprises profile control device and injection pump 5, storage tank 6.Described profile control device comprises the first pipeline 1, second pipe 2, the 3rd pipeline 3.Wherein, the first pipeline 1 comprises first input end 11, the 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; One end of described second pipe 2 is connected with the second input 12 of the first pipeline 1; Described the 3rd pipeline 3 comprises input port 31 and delivery outlet 32, and the delivery outlet 32 of described the 3rd pipeline 3 is connected with the 3rd input 13 of the first pipeline 1.On described the 3rd pipeline 3, be provided with valve 4, the liquid that described valve 4 can be controlled in the 3rd pipeline 3 is input to the first pipeline 1 inside.Described injection pump 5 comprises liquid inlet and liquid outlet.Described injection pump 5 liquid outlets and described the 3rd pipeline 3 input ports 31 be connected, injection pump 5 liquid inlets communicate by pipeline with storage tank 6.Described injection pump 5 can be input to the liquid in storage tank 6 in the 3rd pipeline 3.
Further, described the second input 12 and the 3rd input 13 are located between described first input end 11 and output 14.
In a feasible embodiment, the 3rd input 13 of described the first pipeline 1 is with respect to the more close first input end 11 of the second input 12.
In a specific embodiment, described profile control system also comprises the 4th pipeline 7, and described profile control device can be at least one.Described the 4th pipeline 7 comprises arrival end 71 and at least one port of export; The 3rd pipeline 3 input ports 31 of described profile control device are all connected with the port of export of the 4th pipeline 7; The input port 71 of the 4th pipeline 7 is connected with injection pump 5 liquid outlets.
The operating principle of a kind of profile control system provided by the utility model is described below in conjunction with a specific embodiment:
Fig. 3 is a kind of profile control system embodiment of the utility model structural representation.The utility model provides a kind of profile control system, and it comprises at least one profile control device, injection pump 5, storage tank 6, the 4th pipeline 7 as shown in Figure 3.Described profile control device comprises the first pipeline 1, second pipe 2, the 3rd pipeline 3.Wherein, the first pipeline 1 comprises first input end 11, the second input 12, the 3rd input 13, output 14, and wherein, first input end 11 is for inputting injected water, and output 14 is for connecting Injection Well pipeline to discharge mixed liquor.Described the second input 12 and the 3rd input 13 are all between first input end 11 and output 14, and described the 3rd input 13 is with respect to the more close first input end 11 of the second input 12.Second pipe 2 one end are used for inputting polymer solution, and the other end is connected and mixes with injected water polymer solution is input in the first pipeline 1 with the first pipeline 1 second input 12.Described the 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, so that the cross-linking agent solution of being inputted is outputed in the first pipeline 1 and to be mixed with injected water prior to polymer solution, because cross-linking agent solution is first better with the mixed mixed effect of injected water than polymer solution viscosity.On described the 3rd pipeline 3, be provided with valve 4, described valve 4 can be controlled cross-linking agent solution and is input to the first pipeline 1 inside and prevents that injected water from being flowed out by the 3rd pipeline 3.Described cross-linking agent solution is input in the first pipeline 1 and is mixed with first liquid by the 3rd pipeline 3; Described polymer solution is input in the first pipeline 1 and is mixed with first liquid by second pipe 2.Described the 4th pipeline 7 comprises arrival end 71 and at least one port of export; The 3rd pipeline 3 input ports 31 of described profile control device are all connected with the port of export of the 4th pipeline 7; The input port 71 of the 4th pipeline 7 is connected with injection pump 5 liquid outlets.The liquid inlet of described injection pump 5 is connected by pipeline with storage tank 6, and described injection pump 5 can be input to the crosslinking agent in storage tank 6 in the 3rd pipeline 3.
First, the first pipeline of the profile control device in the profile control system in the present embodiment is connected from different Injection Well pipelines.Oilfield internal is in the time carrying out polymer flooding, and the valve 4 of profile control device, all in closed condition, is now inputted injected water by the first input end 11 of the first pipeline 1, and one end of second pipe 2 input polymer solution.Injected water mixes with the junction of the first pipeline 1 at second pipe 2 with polymer solution, and described mixed mixed liquor is discharged in different Injection Well pipelines by the output 14 of the first pipeline 1.
In the time that needs carry out profile control processing to different Injection Well oil reservoirs, open Injection Well the valve 4 of corresponding profile control device, by injection pump 5 by cross-linking agent solution by extracting out and be injected in storage tank 6 in the 4th pipeline 7, the 4th pipeline 7 is input to cross-linking agent solution in the 3rd pipeline 3 of valve 4 in open mode; And then the input port 31 of the 3rd pipeline 3 is inputted cross-linking agent solution and by delivery outlet 32, described cross-linking agent solution is input in the first pipeline 1; Described cross-linking agent solution mixes with injected water after entering into the first pipeline 1; Described mixed mixed liquor continues to flow, and again mixes with polymer solution with the junction of the first pipeline 1 through second pipe 2.Mixed mixed liquor is the required solution of profile control again, and described mixed mixed liquor is again discharged in Injection Well pipeline to carry out profile control by the output 14 of the first pipeline 1.
The profile control system that the present embodiment provides is by arranging profile control device, crosslinking agent input channel is organically connected in series between injected water pipeline and polymer pipeline, can realize the online profile control process in oil field,, without the mixed liquor that stops polymer waterflooding and can Configuration Online need to carry out oil reservoir injected water, polymer solution and the cross-linking agent solution of profile control processing.
And the profile control system that the present embodiment provides, owing to carrying storage tank, can arrive easily different oil fields block by vehicle transport etc. and carry out work, convenient enforcement profile control.
More than show and described 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; that in above-described embodiment and manual, describes just illustrates principle of the present utility model; do not departing under the prerequisite of 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 (7)
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 the first pipeline output is used for connecting Injection Well pipeline; Described second pipe one end is connected with described the second input; Described the 3rd pipeline comprises input port and delivery outlet, and described the 3rd pipeline delivery outlet is connected with described the 3rd input; Described the 3rd install pipeline has valve, and described valve is input to the first pipe interior for the liquid of controlling in the 3rd pipeline.
2. a kind of profile control device as claimed in claim 1, is characterized in that, the 3rd input of described the first pipeline is with respect to the more close first input end of the second input.
3. a kind of profile control device as claimed in claim 1, is characterized in that, described the second input and the 3rd input are located between described first input end and output.
4. a profile control system, is characterized in that, comprises profile control device and injection pump, storage tank; Described 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 the first pipeline output is used for connecting Injection Well pipeline; Described second pipe one end is connected with described the second input; Described the 3rd pipeline comprises input port and delivery outlet, and described the 3rd pipeline delivery outlet is connected with described the 3rd input; Described the 3rd install pipeline has valve, and described valve is input to the first pipe interior for the liquid of controlling in the 3rd pipeline; Described injection pump comprises liquid inlet and liquid outlet, described liquid outlet and described input port be connected, described liquid inlet communicates by pipeline with storage tank.
5. a kind of profile control system as claimed in claim 4, is characterized in that, described the second input and the 3rd input are located between described first input end and output.
6. a kind of profile control system as claimed in claim 4, is characterized in that, the 3rd input of described the first pipeline is with respect to the more close first input end of the second input.
7. a kind of profile control system as claimed in claim 4, is characterized in that, described profile control system also comprises the 4th pipeline, and described profile control device is at least one; Described the 4th pipeline comprises arrival end and at least one port of export; The 3rd pipeline input port of described profile control device is all connected with the port of export of the 4th pipeline; The input port of the 4th pipeline is connected with injection pump liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056873.XU CN203808956U (en) | 2014-01-29 | 2014-01-29 | Profile control device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420056873.XU CN203808956U (en) | 2014-01-29 | 2014-01-29 | Profile control device and system |
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| CN203808956U true CN203808956U (en) | 2014-09-03 |
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| CN201420056873.XU Expired - Fee Related CN203808956U (en) | 2014-01-29 | 2014-01-29 | Profile control device and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929599A (en) * | 2015-07-21 | 2015-09-23 | 胡显三 | Profile control device |
| CN105064963A (en) * | 2015-07-21 | 2015-11-18 | 胡显三 | Liquid collector |
-
2014
- 2014-01-29 CN CN201420056873.XU patent/CN203808956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929599A (en) * | 2015-07-21 | 2015-09-23 | 胡显三 | Profile control device |
| CN105064963A (en) * | 2015-07-21 | 2015-11-18 | 胡显三 | Liquid collector |
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Granted publication date: 20140903 Termination date: 20220129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |