CN207829870U - A kind of oil-field flooding fouling experimental provision - Google Patents
A kind of oil-field flooding fouling experimental provision Download PDFInfo
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- CN207829870U CN207829870U CN201820414515.XU CN201820414515U CN207829870U CN 207829870 U CN207829870 U CN 207829870U CN 201820414515 U CN201820414515 U CN 201820414515U CN 207829870 U CN207829870 U CN 207829870U
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- pump
- oil
- fouling
- water container
- water
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Abstract
The utility model discloses a kind of oil-field flooding fouling experimental provisions, including injection water container, pump one, stratum water container, pump two, threeway, metallic coil, weighing device, insulating box, back-pressure valve；The ratio of injection water and water flooding is adjusted by controlling the flow of two pumps；Regulating thermostatic case and back-pressure valve, can be with simulated formation temperature and pressure so that experiment is more accurate；Mixed water flows through metallic coil, waits for that waterflow stabilization, i.e. weighing device start counting up after stablizing, measures amount of scale buildup by measuring the quality of metal tube, you can obtain dynamic scale formation rate.The utility model is simple in structure, easy to operate, and experimental cost is low.
Description
Technical field
The utility model is related to oil development production technical field, especially a kind of oil-field flooding fouling experimental provision.
Background technology
Decline as the exploitation in oil field enters middle and later periods oil pressure, it is most of land oil fields that displacement in flooding, which improves recovery ratio,
One of main means.During oil-field flooding, water injection well injects underproof water quality, the temperature and pressure of injection water becomes
Change, causes water injection string electrochemical corrosion and fouling, influence water injection string service life and multi-zone flow regulating.Corrosion is mainly shown as water filling
Pipe string internal wall spot corrosion is even perforated, and fouling causes water injection pressure to rise and do not go or sit under testing tool not sternly, causes well workover,
To cause huge waste.The method of traditional measurement water injection well down-hole string inner wall corrosion and scale velocity first will in well workover
Two kinds of piece suspension devices are fixed in different depth oil pipe, are then put into pit shaft together with tubing string, and after a period of time, then well workover rises.Often
Survey it is primary it is not only time-consuming, laborious and workover cost is huge, have an effect on water injection well development effectiveness.
Prior art discloses application No. is a kind of tests of 201610753456.4 oilfield sewage corrosion and scaling characteristic
Method, but the simulation fouling software used in this method cannot really react practical fouling condition；And the most commonly used is quiet for interior
State fouling is tested, i.e., water flooding and injection water is poured into beaker according to different proportion, measure amount of scale buildup under different time, be quiet
State fouling, not dynamic measure fouling and dynamic scale formation rate.
There are numerous oil fields to occur different degrees of corrosion and scale formation in the injecting process both at home and abroad, due to
The difference of various regions water quality and formation properties, it is difficult to have unified and therefore that effective solution method develops a set of targeted, energy
Fast prediction simultaneously proposes that the device of effective solution is extremely of practical significance.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of easy to operate, simple in structure, higher oil-field flooding of accuracy
Fouling experimental provision.By the conversion between valve, water injection string fouling experiment can be carried out on this device and injection water enters ground
Lower reservoir fouling experiment.
The utility model provides a kind of oil-field flooding fouling experimental provision, including injection water container, pump one, the stratum water capacity
Device, pump two, threeway, metallic coil, weighing device, insulating box, back-pressure valve；The arrival end of the pump one and injection water container phase
Even, two arrival end is pumped with stratum water container to be connected, pump one outlet end, the outlet end of pump two, metallic coil left end divide
It is not connected with threeway；Metallic coil right end connects back-pressure valve, and the metallic coil is placed on weighing device, injects the water capacity
Device, stratum water container, electronic balance and metallic coil are each provided inside insulating box.
Preferably, it is equipped with valve three on the right side of back-pressure valve, measuring container is equipped with after the valve three, the effect of measuring container rises
It is acted on to metering and recycling.
Preferably, the outlet of pump one and pump two is respectively equipped with valve one and valve two.
Preferably, the weighing device is electronic balance.
The utility model has the beneficial effects that：
1, compared with existing oil-field flooding fouling experimental provision, the characteristics of the utility model, has：Simple in structure, operation side
Just, experimental cost is low.
2, compared with existing oil-field flooding fouling experimental provision, the characteristics of the utility model, has：It can be with indoor simulation dynamic
Simulation tubing string and formation scaling situation are measured, experiment effect is more accurate.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction, it should be apparent that, the accompanying drawings in the following description merely relates to some embodiments of the utility model, rather than to this practicality
Novel limitation.
Fig. 1 is the structural schematic diagram of the utility model；
As shown in the figure：
Wherein, 1- injects water container, and 2- pumps the stratum two, 3- water container, and 4- pumps two, 5- threeways, 6- metallic coils, and 7- claims
Refitting is set, 8- measuring containers, 9- insulating boxs, 10- back-pressure valves, 11- valves one, 12- valves two, 13- valves three, 14- computers.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of without creative work, all belongs to
In the range of the utility model protection.
Unless otherwise defined, the technical term or scientific terminology that the disclosure uses should be tool in disclosure fields
There is the ordinary meaning that the personage of general technical ability is understood.The similar word meaning such as the " comprising " or "comprising" that are used in the disclosure
Point out that the element before the existing word either cover the element for appearing in the word presented hereinafter or object and its be equal by object, without
Exclude other elements or object."upper", "lower", "left", "right" "front", "rear" etc. are only used for indicating relative position relation, when
After being described the absolute position change of object, then the relative position relation may also correspondingly change.
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of oil-field flooding fouling experimental provision, including injection water container 1, pump 1, stratum water container 3,
Pump 24, threeway 5, metallic coil 6, weighing device 7, insulating box 9, back-pressure valve 10, computer 14；The entrance of the pump 1 passes through
Pipeline is connected with injection water container 1, and the entrance of pump 24 is connected by pipeline with stratum water container 3, the outlet of pump 1 and pump 24
It is respectively equipped with valve 1 and valve 2 12, valve 1 and valve 2 12 are connected to two ports of threeway 5 by pipeline；Three
Logical 5 another port is connect by pipeline with 6 left end of metallic coil, and 6 right end of metallic coil connects back-pressure valve by pipeline
10, the metallic coil 6 is placed on weighing device 7, and weighing device connects computer 14, and coupled；Back-pressure valve 10 is right
End is equipped with valve 3 13, is equipped with measuring container after the valve three, metering and recycling are played the role of in the effect of measuring container.
Injection water container, stratum water container, weighing device and metallic coil are each provided inside insulating box, to simulate note
Enter water, water flooding reaches formation temperature conditions.
The weighing device 7 can be one kind of electronic balance, platform balance, mechanical scale, and the computer 14 is acquired containing data
Device, weighing device contain weighing sensor, and data collector is connected with the weighing sensor in weighing device, and energy Quick Acquisition arrives
The data of weighing device.After computer is connected, the variation of fouling can be measured under very short time step, more accurately, and it is artificial
Reading duration step-length is many compared with computer length.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
The application method of the utility model is as follows：
(1) install laboratory apparatus, checking experiment instrument whether install it is correct with it is perfect；
(2) oilfield injection water and water flooding are obtained or prepared, is directed respectively into injection water container and stratum water container；
(3) regulating thermostatic box temperature degree makes injection water reach formation temperature conditions with water flooding；
(4) flow velocity of pump one and pump two, the ratio of control injection water and water flooding are adjusted, then is emptied, until outlet
Stablize；
(5) back-pressure valve simulated formation pressure is adjusted；
(6) start to test, wait for that waterflow stabilization, i.e. electronic balance start counting up after stablizing, you can obtain amount of scale buildup and dynamic
Structure rate；
(7) step (4)-(6) are repeated and can be obtained different injection water and the amount of scale buildup and dynamic scale formation speed of water flooding ratio
Rate.
The ratio of injection water and water flooding is adjusted (when injection water and water flooding 10 by controlling the flow of two pumps:0
When, as water injection string fouling experimental provision, remaining ratio, as injection water enter subsurface reservoir fouling experimental provision)；It adjusts
Insulating box and back-pressure valve, can be with simulated formation temperature and pressure so that experiment is more accurate；Mixed water flows through metal spiral
Pipe waits for waterflow stabilization, i.e. electronic balance starts counting up after stablizing, (latter to measure amount of scale buildup by the quality for measuring metal tube
A moment quality subtracts previous moment quality), you can obtain dynamic scale formation rate (i.e. the quality of unit interval fouling).
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (4)
1. a kind of oil-field flooding fouling experimental provision, which is characterized in that including injection water container, pump one, stratum water container, pump
Two, threeway, metallic coil, weighing device, insulating box, back-pressure valve；The arrival end of the pump one is connected with injection water container, pumps
Two arrival end is connected with stratum water container, pump one outlet end, pump two outlet end, metallic coil left end respectively with three
It is logical to be connected；Metallic coil right end connects back-pressure valve, and the metallic coil is placed on weighing device, injection water container,
Layer water container, electronic balance and metallic coil are each provided inside insulating box.
2. a kind of oil-field flooding fouling experimental provision according to claim 1, which is characterized in that set on the right side of the back-pressure valve
There is valve three, measuring container is equipped with after the valve three.
3. a kind of oil-field flooding fouling experimental provision according to claim 1, which is characterized in that the pump one and the pump
Two outlet is respectively equipped with valve one and valve two.
4. a kind of oil-field flooding fouling experimental provision according to claim 1, which is characterized in that the weighing device is electricity
Sub- balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414515.XU CN207829870U (en) | 2018-03-27 | 2018-03-27 | A kind of oil-field flooding fouling experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414515.XU CN207829870U (en) | 2018-03-27 | 2018-03-27 | A kind of oil-field flooding fouling experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829870U true CN207829870U (en) | 2018-09-07 |
Family
ID=63398883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820414515.XU Expired - Fee Related CN207829870U (en) | 2018-03-27 | 2018-03-27 | A kind of oil-field flooding fouling experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207829870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114764092A (en) * | 2021-01-12 | 2022-07-19 | 中国石油天然气股份有限公司 | Scaling simulation device and scaling simulation method |
| CN115407012A (en) * | 2021-05-28 | 2022-11-29 | 中国石油天然气集团有限公司 | Device for measuring scale formation amount and predicting and analyzing scale formation of produced water of oil and gas field |
-
2018
- 2018-03-27 CN CN201820414515.XU patent/CN207829870U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114764092A (en) * | 2021-01-12 | 2022-07-19 | 中国石油天然气股份有限公司 | Scaling simulation device and scaling simulation method |
| CN114764092B (en) * | 2021-01-12 | 2024-05-28 | 中国石油天然气股份有限公司 | Scaling simulation device and scaling simulation method |
| CN115407012A (en) * | 2021-05-28 | 2022-11-29 | 中国石油天然气集团有限公司 | Device for measuring scale formation amount and predicting and analyzing scale formation of produced water of oil and gas field |
| CN115407012B (en) * | 2021-05-28 | 2024-04-26 | 中国石油天然气集团有限公司 | Device for measuring scale formation amount of produced water of oil-gas field and predicting and analyzing scale formation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20200327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |