CN205580925U - Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline - Google Patents
Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline Download PDFInfo
- Publication number
- CN205580925U CN205580925U CN201620329889.2U CN201620329889U CN205580925U CN 205580925 U CN205580925 U CN 205580925U CN 201620329889 U CN201620329889 U CN 201620329889U CN 205580925 U CN205580925 U CN 205580925U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- evaluation system
- polymer
- plc
- 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.)
- Active
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model belongs to the technical field of the oil field is annotated and is gathered. Appraise for the dissolve effect to polymer dry powder, physical and chemical indexes etc, the utility model provides a dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline is including first valve, quiet ware, flow speed controller, buffer tank, screw pump and the second valve of mixing, the tube coupling of the purpose liquid of evaluation is treated in the entry and the transport of first valve, and the export of first valve is connected with second valve, the quiet ware that mixes respectively, quiet ware, flow speed controller, buffer tank, screw pump and the second valve of mixing connects gradually component circulation pipeline, and circulation pipeline is equipped with branch's pipeline, and the bleeder is equipped with liquid discharge valve on the road, and liquid discharge valve's exit linkage has waste liquid jar, the last a plurality of sample connection that is equipped with of circulation pipeline. The utility model provides a dissolve effect of evaluation polymer, physical and chemical indexes's system can simulate oilfield on -site environmental parameter and carry out the polymer evaluation, choose suitable polymer for use for different oil fields and provide reliable technical support.
Description
Technical field
This utility model belongs to the technical field of oilfield injection, molten in being specifically related to a kind of flooding polymers pipeline
Result appraisal system.
Background technology
Oil recovery technique includes primary oil recovery technology, secondary oil recovery technology and tertiary oil recovery technology, wherein, three times
Oil recovery technique refers to, by injecting new oil displacement agent, change the physical chemistry such as the viscosity of fluid, combination and phase
Character, expands injection scope and volume, make scattered residual oil reassemble and collected out, thus
Increase substantially the technology of oil recovery factor.Polymer displacement of reservoir oil is the one of tertiary oil recovery technology, polymer flooding
Oil refers to add water soluble polymer to and injects in water to improve the viscosity injecting water, improves water-oil mobility ratio,
Raising sweep efficiency and microscopic oil displacement efficiency, thus the method improving oil recovery factor.Use polymer displacement of reservoir oil,
First having to configure the solution of polymer dry powder, configuration step includes: the interpolation of (1) polymer dry powder；(2)
The dispersion of polymer dry powder moistens, and will be dispersed in water formation polymer mother liquor by polymer dry powder；(3) poly-
The ripening of compound mother solution, ripening is that polymer dry powder fully dissolves in water, conforms to obtaining physical and chemical index
The process of the mother solution asked；(4) transferring of polymer mother liquor is filtered and storage.After polymer mother liquor has configured,
Polymer mother liquor is diluted to purpose liquid again, and this purpose liquid enters injection well through single well pipeline.
Above-mentioned maturing process ensure that polymer dry powder dissolving in water meets the requirements, but the most
Having had a kind of novel polymer, the process of the solution configuring this polymer eliminates the step of ripening, but saves
After going maturation stage, whether the polymer solution of configuration meets requirement, such as solute effect, physical and chemical index etc.
The most qualified, it is necessary to go inspection so that the solute effect of polymer, physical and chemical index etc. to be evaluated.
Utility model content
In order to the solute effect of polymer dry powder, physical and chemical index etc. are evaluated, the utility model proposes one
Molten result appraisal system in kind of flooding polymers pipeline, including the first valve, static mixer, flow speed controller,
Surge tank, screw pump and the second valve；The pipe of the purpose liquid that the entrance of described first valve is to be evaluated with conveying
Road connects, and the outlet of this first valve is connected with described second valve, described static mixer respectively；Described quiet mixed
Device, described flow speed controller, described surge tank, described screw pump and described second valve are sequentially connected with composition
Circulation line, this circulation line is provided with branch line, and described branch line is provided with draining valve, described row
The outlet of fluid valve connects waste liquid tank, and described circulation line is additionally provided with air bleeding valve, circulation valve and some
Individual sample tap, described circulation valve is between the entrance of described branch line and described surge tank.
Wherein, also including automatic control unit, this automatic control unit includes PLC and host computer,
Described PLC and described host computer connect；Described first valve and described second valve are electrodynamic valve,
Described flow speed controller is electromagnetic flowmeter, described first valve, described second valve and described flow speed control
Device is all connected with described PLC.
Wherein, described circulation line is provided with several pressure transmitters, this pressure transmitter and described PLC
Controller connects.
Wherein, being provided with temperature transmitter in described surge tank, this temperature transmitter is with described PLC even
Connect.
Wherein, being provided with fluid level transmitter in described surge tank, this fluid level transmitter is with described PLC even
Connect.
Wherein, described circulation line is additionally provided with visor.
Wherein, described sample tap is three sample taps.
Wherein, molten result appraisal system in described surge tank, described waste liquid tank and described flooding polymers pipeline
Pipeline all use 316L rustless steel to make.
In this utility model flooding polymers pipeline, molten result appraisal system has a following beneficial effect:
The flow speed controller of evaluation system of the present utility model can control the flow velocity of purpose liquid, with simulation oil field
Note conflux speed, and by being different value by the flow speed control of purpose liquid, different oilfield conditions can be simulated；
Purpose liquid circulates in circulation line of the present utility model, according to flow velocity and the flowing time energy of purpose liquid
Enough calculate the flow distance of purpose liquid, with the flow distance of purpose liquid, this reality in simulation oil field note collecting process
By novel evaluation system by the stream of purpose liquid during the actual oilfield injection flow velocity of simulation and oilfield injection
Dynamic distance, realizes the solute effect to polymer, physical and chemical index etc. and is evaluated, namely can simulate
Oil Field ambient parameter carries out evaluation of polymer.Polymer for new research and development, it is possible to use this practicality is new
Whether the evaluation system of type is evaluated, want to check the solute effect of this polymer, physical and chemical index etc. to meet
Ask, if being unsatisfactory for requirement, the experimental data provided according to evaluation system of the present utility model, can be to poly-
The formula and processing technology of compound makes further improvements.Evaluation system of the present utility model can also simulate difference
Oilfield conditions, selects applicable polymer to provide reliable technical support for different oil fields.Of the present utility model
Evaluation system can be applied to scene, and poly-for note on-the-spot purpose liquid is accessed evaluation system of the present utility model just
Can be evaluated.
Evaluation system of the present utility model realizes Automated condtrol by PLC, a key operation, reduces
The expenditure of manpower, makes evaluation system of the present utility model run more stable safer, stablizing of experimental data
Property is ensured.Flow speed controller of the present utility model and and screw pump all automatically controlled by PLC
System, makes purpose liquid flow in pipeline evenly, is greatly improved evaluation system experimentation number of the present utility model
According to reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of molten result appraisal system in this utility model flooding polymers pipeline；
Fig. 2 is the knot of the automatic control unit of molten result appraisal system in this utility model flooding polymers pipeline
Structure schematic diagram.
Detailed description of the invention
Introduce the technical solution of the utility model below in conjunction with the accompanying drawings.
As it is shown in figure 1, molten result appraisal system includes the first valve in this utility model flooding polymers pipeline
10, static mixer 12, flow speed controller 13, surge tank 21, screw pump 24 and the second valve 11.First valve
The entrance of door 10 is connected with the pipeline carrying purpose liquid to be evaluated, the outlet of this first valve 10 respectively with
Second valve 11, static mixer 12 connect, and static mixer 12 refers to static mixer, are that one does not has moving component
High-efficiency mixing device.Static mixer 12, flow speed controller 13, surge tank 21, screw pump 24 and the second valve
Door 11 is sequentially connected with composition circulation line, and this circulation line is provided with branch line, and this branch line is provided with row
Fluid valve 18, the outlet of draining valve 18 connects waste liquid tank 20, circulation line is additionally provided with visor 16,
Air bleeding valve 19, circulation valve 17 and several sample taps 15, circulation valve 17 is positioned at branch line and buffering
Between the entrance of tank 21.During use, purpose liquid to be evaluated circulates in circulation line, flow speed control
The flow velocity of device 13 liquid for control purposes, can observe purpose liquid stream in circulation line by visor 16
Move and the situation of dissolving.
As in figure 2 it is shown, molten result appraisal system also includes automatically controlling in this utility model flooding polymers pipeline
Unit processed, this automatic control unit include PLC (Programmable Logic Controller, able to programme
Logic controller) controller 26 and host computer 25, PLC 26 and host computer 25 connect.Preferably,
First valve 10 and the second valve 11 are electrodynamic valve, and flow speed controller 13 is electromagnetic flowmeter, the first valve
Door the 10, second valve 11 and flow speed controller 13 are all connected with PLC 26, are so controlled by PLC
First valve the 10, second valve 11 and flow speed controller 13 just can be controlled by device 26 processed, control the
One valve 10 and the second valve 11 are to open or close state just to control the break-make of respective line, flow velocity
Controller 13 1 aspect can the flow of purpose liquid in signal piping, on the other hand can also mesh in control piper
The flow velocity of liquid.
As shown in Figure 1-2, it is preferable that circulation line of the present utility model is provided with several pressure transmitters
14, this pressure transmitter 14 is connected with PLC 26, and pressure transmitter 14 is used for detecting circulation line
In pressure, and the pressure information detected is sent to PLC 26, PLC 26 will receive
To pressure information be sent to host computer 25.Surge tank 21 is provided with temperature transmitter 22 and fluid level transmitter
23, temperature transmitter 22 and fluid level transmitter 23 are all connected with PLC 26, temperature transmitter 22
For detecting the temperature of purpose liquid in surge tank 21 and the temperature information detected being sent to PLC
26, fluid level transmitter 23 is for the liquid level detecting purpose liquid in surge tank 21 the liquid level information that will detect
It is sent to PLC 26.Screw pump 24 is connected with PLC 26, so by converter 27
PLC 26 just can control screw pump 24.
As it is shown in figure 1, the work of molten result appraisal system in this utility model flooding polymers pipeline is described below
Make process, the first step, close draining valve 18 and the second valve 11, open circulation valve 17, air bleeding valve
19 and first valve 10, purpose liquid enters evaluation system of the present utility model, and the effect of air bleeding valve 19 is row
Except the gas in circulation line of the present utility model, so that circulation line of the present utility model is full of purpose liquid.
Second step, the purpose liquid flowing into evaluation system of the present utility model first passes through static mixer 12, static mixer 12
Can mixed polymer dry powder and water further, make polymer dry powder mix evenly with water, make purpose liquid exist
Pipeline is formed current stabilization, the follow-up sampling to purpose liquid, improves evaluation system of the present utility model
Accuracy；By the flow velocity of purpose liquid in flow speed controller 13 control piper, on the one hand can be by purpose liquid
Flow speed control be oilfield injection flow velocity, thus can simulate reality oilfield injection environment；On the other hand
During different oilfield injection, the flow velocity of purpose liquid is the most different, the value that the flow speed control of purpose liquid is different just may be used
Condition with the different oil field of simulation.Purpose liquid stream is after flow speed controller 13, visor 16 and circulation valve 17
Flowing in surge tank 21, operator can observe the flowing in circulation line of the purpose liquid by visor 16
And dissolving situation.
3rd step, detects the liquid level of purpose liquid in surge tank 21 by fluid level transmitter 23, when purpose liquid reaches
After setting liquid level, close air bleeding valve 19 and the first valve 10, open the second valve 11 and screw pump 24,
The process of this step can by PLC 26 automatically control realization；Power is provided by screw pump 24,
Purpose liquid starts at static mixer 12, flow speed controller 13, surge tank 21, screw pump 24 and the second valve 11
The circulation line of composition circulates.Wherein, purpose liquid restarts screw pump 24 after reaching to set liquid level,
So it is prevented from screw pump 24 to be evacuated, plays the effect of protection screw pump 24.Open on circulation line
Sample tap 15 just purpose liquid can be sampled, the number of sample tap 15 and the position of setting can roots
Depending on actual demand, such as, when reality note collecting process is the down-hole that purpose liquid injects 1000m,
That is accomplished by understanding whether purpose liquid solute effect, physical and chemical index etc. after flowing 1000m meet the requirements, this
In the circulation line of utility model, (being arranged by above-mentioned second step, the flow velocity of purpose liquid is the flow velocity of purpose liquid
Simulate the flow velocity of actual oilfield injection) be known, purpose liquid enter evaluation system of the present utility model time
Between be also known, then according to flow velocity and the distance (1000m) of flowing of purpose liquid, mesh can be calculated
The flowing time that needs of liquid, thus can an ad-hoc location in circulation line of the present utility model
Sample tap 15 is set, so that after the flowing time through needing, purpose liquid flow at sample tap 15, and
The distance that purpose liquid stream moves is 1000m.When using evaluation system of the present utility model, enter this reality from purpose liquid stream
Rising by novel evaluation system, after the flowing time needed, operator sample at sample tap 15,
Can be obtained by purpose liquid stream and move the sample of 1000m, then the purpose liquid sample of taking-up is delivered to by operator
Inspection center, to check the solute effect of polymer dry powder, physical and chemical index etc. the most qualified.Can certainly
The position moving 800m or 500m at purpose liquid stream arranges sample tap 15, so can obtain more about polymerization
The solute effect of thing dry powder, the data of physical and chemical index, have more understanding with the course of dissolution to polymer dry powder,
Particularly when the solute effect of purpose liquid sample, physical and chemical index etc. are defective, the sample number of 800m or 500m
According to being formula or the production technology offer data foundation improving polymer dry powder.Pressure transmitter 14 and temperature
Degree transmitter 22 can detect the pressure and temperature in circulation line, in real time for solute effect, the reason of polymer
The evaluation changing index etc. provides more data support.
4th step, after experiment terminates, closes circulation valve 17, opens draining valve 18, and purpose liquid stream enters useless
In flow container 20.
Preferably, sample tap 15 is three sample taps, samples purpose liquid with the different pipe positions in pipeline,
Such as sample in the center of pipeline, sample at 1/2nd of pipeline radius, because different in pipeline
At pipe position, the flow velocity of purpose liquid is likely to variant, and the dissolving situation of polymer also can be impacted, in difference
At pipe position, purpose liquid is sampled, it is possible to more comprehensively understand the dissolving situation of polymer dry powder.Surge tank 21, useless
In flow container 20 and flooding polymers pipeline, the pipeline of molten result appraisal system all uses 316L rustless steel to make,
316L rustless steel corrosion resistance is extremely strong, it is possible to the service life of extension device.
Evaluation system of the present utility model is used not only for the solute effect of polymer, physical and chemical index evaluation,
Can also Surfactant, acidulant, antibacterial, expansion-resisting agent etc. by directly dissolving in pipeline or
Dispersion is injected the material of oil reservoir and is tested and test, to be evaluated it.
Claims (8)
1. the evaluation system of dissolution process parameter determination in a flooding polymers pipeline, it is characterised in that include the first valve, static mixer, flow speed controller, surge tank, screw pump and the second valve；The pipeline of the purpose liquid that the entrance of described first valve is to be evaluated with conveying is connected, and the outlet of this first valve is connected with described second valve, described static mixer respectively；Described static mixer, described flow speed controller, described surge tank, described screw pump and described second valve are sequentially connected with composition circulation line, this circulation line is provided with branch line, described branch line is provided with draining valve, the outlet of described draining valve connects waste liquid tank, being additionally provided with air bleeding valve, circulation valve and several sample taps on described circulation line, described circulation valve is between the entrance of described branch line and described surge tank.
The evaluation system of dissolution process parameter determination in flooding polymers pipeline the most according to claim 1, it is characterised in that also include automatic control unit, this automatic control unit includes that PLC and host computer, described PLC and described host computer connect；Described first valve and described second valve are electrodynamic valve, and described flow speed controller is electromagnetic flowmeter, and described first valve, described second valve and described flow speed controller are all connected with described PLC.
The evaluation system of dissolution process parameter determination in flooding polymers pipeline the most according to claim 2, it is characterised in that described circulation line is provided with several pressure transmitters, and this pressure transmitter is connected with described PLC.
4. according to the evaluation system of dissolution process parameter determination in the flooding polymers pipeline described in Claims 2 or 3, it is characterised in that being provided with temperature transmitter in described surge tank, this temperature transmitter is connected with described PLC.
5. according to the evaluation system of dissolution process parameter determination in the flooding polymers pipeline described in Claims 2 or 3, it is characterised in that being provided with fluid level transmitter in described surge tank, this fluid level transmitter is connected with described PLC.
6. according to the evaluation system of dissolution process parameter determination in the flooding polymers pipeline according to any one of claim 1-3, it is characterised in that be additionally provided with visor on described circulation line.
7. according to the evaluation system of dissolution process parameter determination in the flooding polymers pipeline according to any one of claim 1-3, it is characterised in that described sample tap is three sample taps.
8. according to the evaluation system of dissolution process parameter determination in the flooding polymers pipeline according to any one of claim 1-3, it is characterized in that, in described surge tank, described waste liquid tank and described flooding polymers pipeline, the pipeline of molten result appraisal system all uses 316L rustless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329889.2U CN205580925U (en) | 2016-04-14 | 2016-04-14 | Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329889.2U CN205580925U (en) | 2016-04-14 | 2016-04-14 | Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580925U true CN205580925U (en) | 2016-09-14 |
Family
ID=56863220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620329889.2U Active CN205580925U (en) | 2016-04-14 | 2016-04-14 | Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205580925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716996A (en) * | 2016-04-14 | 2016-06-29 | 河南正佳能源环保股份有限公司 | Technological parameter determined evaluation system for dissolution of flooding polymers in pipeline |
| CN114575807A (en) * | 2020-11-28 | 2022-06-03 | 中国石油天然气股份有限公司 | Injection pipeline-based injection method of polymer flooding solution |
-
2016
- 2016-04-14 CN CN201620329889.2U patent/CN205580925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716996A (en) * | 2016-04-14 | 2016-06-29 | 河南正佳能源环保股份有限公司 | Technological parameter determined evaluation system for dissolution of flooding polymers in pipeline |
| CN114575807A (en) * | 2020-11-28 | 2022-06-03 | 中国石油天然气股份有限公司 | Injection pipeline-based injection method of polymer flooding solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105716996A (en) | Technological parameter determined evaluation system for dissolution of flooding polymers in pipeline | |
| CN104914014A (en) | Test system and test method for frictional resistance of hydraulic fracturing fluid | |
| CN208187454U (en) | A kind of oil-water two-phase flow experiment loop device | |
| CN207133276U (en) | A kind of water quality automatic sampling monitoring system | |
| CN104303040A (en) | Apparatus and method for measuring viscosity of fluid | |
| CN206540809U (en) | The rock corrosion analogue experiment installation of current system | |
| CN205580925U (en) | Dissolve evaluation system that technological parameter confirms in displacement of reservoir oil polymer pipeline | |
| CN104226187A (en) | Multi-liquid proportioned mixing device | |
| CN204738800U (en) | Automatic control system that simulation polymer solution pours into into in turn | |
| CN105258840A (en) | Method for measuring optimum miscible pressure and miscible region of carbon dioxide between injection and production wells | |
| RU2678712C1 (en) | Stand for study of liquid flow in pipeline | |
| CN105181222A (en) | Device for measuring carbon dioxide minimum miscible pressure in multiple modes | |
| CN208818608U (en) | A kind of oil-gas-water three-phase flow flow behavior test device | |
| CN105841922B (en) | The drainage pipeline networks simulation system and analogy method of a kind of use for laboratory | |
| CN115792178B (en) | Device and method for blocking gushing water with different ion concentrations in high-temperature environment | |
| CN103868782A (en) | Dilution system and dilution method of automatic online monitoring system for fishery water quality | |
| CN203385569U (en) | Slurry conveying length-to-column ratio loop pipe experiment system | |
| CN106908354A (en) | A kind of slippery water fracturing fluid friction drag testing device and its method of testing | |
| CN105675847A (en) | System and method for testing sand suspending ability of fracturing fluid | |
| CN204789229U (en) | Clear water fracturing fluid grinds and hinders testing arrangement | |
| CN202832449U (en) | Online profile control device for polymer flooding oil field | |
| CN203811507U (en) | Large multifunctional fracturing fluid experiment device | |
| CN104792659B (en) | For determining the secondary shear method of Polymer Used For Oil Displacement solution property parameter | |
| CN106680145B (en) | Liquid pipeline friction resistance measuring device and method using same | |
| CN206258449U (en) | A kind of sampling apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |