CN205577966U - Likepowder polymer instant dispersed , dilution system in marine or high and cold or fault block oil field - Google Patents
Likepowder polymer instant dispersed , dilution system in marine or high and cold or fault block oil field Download PDFInfo
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- CN205577966U CN205577966U CN201620312737.1U CN201620312737U CN205577966U CN 205577966 U CN205577966 U CN 205577966U CN 201620312737 U CN201620312737 U CN 201620312737U CN 205577966 U CN205577966 U CN 205577966U
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Abstract
The utility model belongs to the technical field of the oil field is annotated and is gathered. Receive external environment to influence great problem to the operation of injected water neutralized system likepowder polymer instant dispersed at present in order to solve, the utility model provides a likepowder polymer instant dispersed, dilution system in marine or high and cold or fault block oil field, including supply water jar, dry powder jar and buffer tank, should supply water jar, this dry powder jar and this buffer tank all be connected with the nitrogen gas source, the dry powder jar connected gradually feeder, buffer container, negative pressure ejector and the buffer tank, the jar that supplies water connected gradually the working shaft with the negative pressure ejector, this water supply jar still is connected with diluted water pump, the buffer tank is connected with the mother liquor delivery pump, the export of this mother liquor delivery pump with diluted water pump's exit linkage. The utility model discloses a system compact structure, it is convenient to remove, and entire system can avoid external environment's influence in being in the protection of nitrogen gas, prevents the viscosity of the oxygen degradation purpose liquid in the air and influences the tar productivity.
Description
Technical field
This utility model belongs to the technical field of oilfield injection, is specifically related to a kind of marine or high and cold or fault block is oily
The powdery polymer rapid dispersion in field, dilution system.
Background technology
Primary oil recovery refers to the method relying on oil reservoir natural energy to carry out oilfield exploitation, and secondary oil recovery refers to pass through
Water filling, the recovery method of gas injection, be a kind of holding and the method for supplementary oil reservoir energy, and oil field is adopted through secondary
After oil, still there is the crude oil of 60%-70% to remain in underground and be difficult to extraction, remain in ground to exploit cost-effectively
Remaining oil in Ceng, improves oil recovery factor, it is necessary to tertiary oil recovery technology.Polymer displacement of reservoir oil is to adopt for three times
The one of oil tech, refers to be distributed to water soluble polymer (such as powdery polymer) inject in water, with
Improve the viscosity injecting water, improve water oil velocity ratio, improve sweep efficiency and microscopic oil displacement efficiency, thus carry
The flooding method of high oil recovery factor.
As it is shown in figure 1, be currently used for being distributed to powdery polymer the system in water of injecting include dry powder can 1,
Screw(-type) feeder 2, ejector 3, aerator 4, Water powdery mixer 5, dissolving tank 6, delivery pump 7 and ripening
Device 8, wherein, dry powder can 1, screw(-type) feeder 2, ejector 3, Water powdery mixer 5, dissolving tank 6, defeated
Sending pump 7 and ager 8 to be sequentially connected with, the powdery polymer in dry powder can 1 is quantitative by screw(-type) feeder 2
Being transported to ejector 3, the powdery polymer in ejector 3 is blowed to Water powdery mixer 5, powder by aerator 4
Shaped polymer is fully contacted moistening in Water powdery mixer 5 with water, afterwards powdery polymer and the mixture of water
Entering in dissolving tank 6 by preliminary mix and blend, then the mixture of powdery polymer and water is defeated through delivery pump 9
Deliver to ager 8, be stirred continuously in ager 8, make powdery polymer be dispersed in water, finally make
Powdery polymer is dissolved completely in water formation mother solution, after this mother solution being diluted to purpose liquid according to nominal concentrations
Just can inject in well.
But it is currently used for that powdery polymer is distributed to the system in water of injecting and is affected by the external environment relatively big, than
As extraneous air can be blown into this system by aerator 4, and the moisture in outside air can cause polymer to inhale
Tide is united, and causes feeding to affect, and additionally the entrance of oxygen can be degraded the viscosity of purpose liquid and then affect crude oil and adopt
Yield.
Utility model content
System in order to solve to be currently used for that powdery polymer is distributed to inject in water is affected by the external environment relatively
Big problem, the utility model proposes a kind of sea or the high and cold or powdery polymer rapid dispersion of fault-block oilfield,
Dilution system, this marine or high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilution system include supplying
Water pot, dry powder can and surge tank, this water supply tank, dry powder can and surge tank are all connected with source nitrogen；Described dry
Powder tank is connected with feeder, buffer container, negative pressure ejector and described surge tank in turn；Described water supply tank depends on
Secondary connection has feed pump and described negative pressure ejector, and this water supply tank is also associated with diluting water pump；Described surge tank
Outlet connect have mother solution delivery pump, this mother solution conveying delivery side of pump be connected with described dilution water delivery side of pump.
Wherein, this marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, structure of dilution system
For skid-mounted type.
Wherein, described buffer container is funnel.
Wherein, described funnel is visual funnel.
Wherein, this marine or high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilution system also include
Automatic control module, described automatic control module includes PLC and host computer, described PLC
It is connected with described host computer；Pipeline between described feed pump and described negative pressure ejector is provided with Electromagnetic Flow
Meter, pressure transmitter and electrically operated valve, this electromagnetic flowmeter, pressure transmitter and electrically operated valve are all with described
PLC connects.
Wherein, between described water supply tank and described source nitrogen, it is provided with electrically operated valve, this electrically operated valve and described PLC
Controller connects, and is provided with electrically operated valve between described dry powder can and described source nitrogen, and this electrically operated valve is with described
PLC connects, and is provided with electrically operated valve, this electrically operated valve and institute between described surge tank and described source nitrogen
State PLC to connect.
Wherein, the output pipe of described dilution water pump is provided with electrically operated valve, electromagnetic flowmeter and pressure inverting
Device, this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all connected with described PLC.
Wherein, the output pipe of described mother solution delivery pump is provided with electrically operated valve, electromagnetic flowmeter and pressure change
Sending device, this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all connected with described PLC.
Wherein, described water supply tank is provided with temperature transmitter and fluid level transmitter, this temperature transmitter and liquid level
Transmitter is all connected with described PLC；Described surge tank is provided with fluid level transmitter and pressure transmitter,
This fluid level transmitter and pressure transmitter are all connected with described PLC.
Wherein, the pipeline between described surge tank, described surge tank and described mother solution delivery pump and described mother solution
The output pipe of delivery pump all uses 316L rustless steel to make.
This utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system have
Following beneficial effect:
This utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system make
Used time is first full of nitrogen, makes internal system of the present utility model be in the nitrogen environment of pressure-fired；This practicality is new
Powdery polymer is joined negative pressure jet by the mode that the system of type uses negative-pressure air-flow (stream of nitrogen gas) to aspirate
In device, whole process is all to carry out in the environment closed, and so extraneous air would not enter this reality
By novel system, whole system of the present utility model is all in the protection of nitrogen, to avoid external environment
System of the present utility model is produced impact, prevents the viscosity of the oxygen degradation purpose liquid in air from affecting and adopting
Oil rate, thus protect stablizing of purpose liquid chemical property.Owing to nitrogen belongs to dry stable noble gas,
Nitrogen in dry powder can is caking it can be avoided that powdery polymer makes moist, the configuration of follow-up powdery polymer
Accuracy.
This utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system pass through
PLC automatically controls, simple to operate, has saved manpower and time, has reduced cost of labor, makes equipment run more
Stablizing safer, improve the accuracy of powdery polymer preparation, the mother solution of configuration can reach onsite application
Requirement, and can according to difference require adjust purpose liquid concentration.
This utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, the knot of dilution system
Structure is skid-mounted type, and so occupation of land space is little, and system weight is less, conveniently moving, solves different oil field
Use problem, improves the utilization rate of equipment, is suitable at sea, makes on high and cold or fault-block oilfield production platform
With, when being especially applicable to the huge high offshore oil production platform of construction cost, it is possible to be substantially reduced offshore oil production and put down
The construction cost of platform, reduces the input cost of oilfield injection equipment.
Accompanying drawing explanation
Fig. 1 is that prior art for being distributed to inject the structural representation of the system in water by powdery polymer；
Fig. 2 is that this utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system
The structural representation of system；
Fig. 3 is that this utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system
The structural representation of the automatic control module of system.
Detailed description of the invention
Introduce the technical solution of the utility model below in conjunction with the accompanying drawings.
As in figure 2 it is shown, this utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield,
Dilution system includes water supply tank 12, dry powder can 11 and surge tank 10, and water supply tank 12 is used for storing injection water,
Dry powder can 11 is used for storing powdery polymer, and surge tank 10 mixes with powdery polymer for the temporary water that injects
After mother solution, water supply tank 12, dry powder can 11 and surge tank 10 be all connected by pipeline with source nitrogen 27, and
Pipeline between water supply tank 12 and source nitrogen 27 is provided with electrically operated valve 21, dry powder can 11 and source nitrogen 27
Between pipeline be provided with electrically operated valve 21, the pipeline between surge tank 10 and source nitrogen 27 is provided with electronic
Valve 21.
As it is shown on figure 3, this utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield,
Dilution system also includes automatic control module, and this automatic control module includes PLC (Programmable Logic
Controller, programmable logic controller (PLC)) controller 24 and host computer 25, PLC 24 is with upper
Position machine 25 connects, and electrically operated valve 21 is connected with PLC 24, so by host computer 25 and PLC
Electrically operated valve 21 just can be controlled by controller 24.
As in figure 2 it is shown, dry powder can 11 is connected with feeder 16, buffer container 15, negative pressure ejector in turn
14 and surge tank 10, feeder 16 can be scroll feeder, and this feeder 16 1 aspect can be to powdery
Polymer measures, the amount controlling with injecting the powdery polymer that water mixes, on the other hand can be by powdery
Polymer is delivered in buffer container 15.Buffer container 15 stores powdery polymer, this buffering for temporarily
Container 15 can be funnel, it is preferable that this buffer container 15 is visual funnel, the top of this visual funnel
For transparent, such user is just it is observed that the situation of the internal powdery polymer of buffer container 15.
Water supply tank 12 is connected with feed pump 13 and negative pressure ejector 14 in turn, and feed pump 13 and negative pressure jet
Pipeline between device 14 is provided with electromagnetic flowmeter 19, pressure transmitter 20 and electrically operated valve 21, this electromagnetism
Effusion meter 19, pressure transmitter 20 and electrically operated valve 21 are all connected with PLC 24；Water supply tank 12
Being also associated with diluting water pump 18, the injection water in water supply tank 12 can flow in dilution water pump 18.Surge tank
The outlet of 10 connects mother solution delivery pump 17, the outlet of this mother solution delivery pump 17 and the outlet of dilution water pump 18
Being connected by pipeline, so mother solution injecting water and mother solution delivery pump 17 output of dilution water pump 18 output mixes
Close, mother solution is diluted to purpose liquid according to nominal concentrations.As it is shown on figure 3, feed pump 13, dilution water pump 18
All it is connected with PLC 24 by converter 26 with mother solution delivery pump 17, so uses PLC
Feed pump 13, dilution water pump 18 and mother solution delivery pump 17 just can be controlled by 24.In water supply tank 12
It is provided with temperature transmitter 23 and fluid level transmitter 22；Surge tank 10 is provided with fluid level transmitter 22 and pressure becomes
Send device 20, this temperature transmitter 23, fluid level transmitter 22 and pressure transmitter 20 all with PLC 24
Connect.
As Figure 2-3, it is described below that this utility model is marine or high and cold or the powdery polymer of fault-block oilfield
Rapid dispersion, the work process of dilution system: the first step, open the valve of source nitrogen 27, and nitrogen just enters
In system of the present utility model, so that system of the present utility model is full of nitrogen；Controlled by PLC 24
Electrically operated valve 21 processed, enters the nitrogen of system of the present utility model, makes at system of the present utility model with regulation
In the environment of pressure-fired, the air pressure of internal system the most of the present utility model is slightly larger than atmospheric pressure, the so external world
Air would not enter system of the present utility model, and system of the present utility model is in the protection of nitrogen, with
Prevent the viscosity of the oxygen degradation purpose liquid in air from affecting tar productivity.
Second step, starts feed pump 13, the injection current direction negative pressure ejector 14 in water supply tank 12, supplies water
Electromagnetic flowmeter 19 between pump 13 and negative pressure ejector 14 injects flow and the stream of water in signal piping
Speed, the pressure transmitter 20 pressure in signal piping, when the flow velocity and pressure injecting water in pipeline reaches
During setting value, open the electrically operated valve 21 between feed pump 13 and negative pressure ejector 14 by PLC,
Injection aquiform stool at a high speed enters in negative pressure ejector 14, in negative pressure ejector 14 flows into surge tank 10 again,
When injection water at a high speed flows through negative pressure ejector 14, in negative pressure ejector 14, form negative-pressure air-flow, this negative pressure
Air-flow circulates between negative pressure ejector 14 and buffer container 15, and this negative-pressure air-flow is stream of nitrogen gas.
3rd step, start feeder 16, this feeder 16 by the powdery polymer in dry powder can 11 by specify
Amount be uniformly added in buffer container 15, stream of nitrogen gas when buffer container 15 flows to negative pressure ejector 14, meeting
Being taken to by powdery polymer in buffer container 15 in negative pressure ejector 14, powdery polymer is at negative pressure jet
Contacting mixing with injection water current at a high speed in device 14, powdery polymer is scattered in injection water.This practicality is new
The system of type uses the mode of negative-pressure air-flow suction to be joined by powdery polymer in negative pressure ejector 14, by powder
It is all to carry out in the environment closed that shaped polymer joins the whole process in negative pressure ejector 14, it is to avoid
The external environment impact on system of the present utility model, makes system of the present utility model be in nitrogen protection.
Negative pressure ejector 14 can use the ejector disclosed in the patent of Application No. 201510058219.1 to mix
The structure of dispersal device, this structure is that surrounding is entered to inject water, and the form of powdery polymer is entered in centre, so notes
Enter the mixing of water and powdery polymer evenly, it is possible to avoid the occurrence of agglomerate, flake and bubble, and prepare
Mother liquid concentration higher, mother liquid concentration can reach 15000PPM (parts permillion, million/),
Improve the efficiency of configuration mother solution.
4th step, injects after water mixes with powdery polymer in negative pressure ejector 14 and forms mother solution, this mother solution
Flowing in surge tank 10, the fluid level transmitter 22 in surge tank 10 is used for detecting mother solution liquid level, when mother solution arrives
When reaching setting liquid level, starting mother solution delivery pump 17 and dilution water pump 18 by PLC 24, mother solution is defeated
Pump 17 is sent to be exported from surge tank 10 by mother solution, the mother solution of mother solution delivery pump 17 output and dilution water pump 18
The injection water mixing of output, is diluted to purpose liquid by mother solution according to nominal concentrations.
Wherein, just when in surge tank 10 mother solution arrive set liquid level time startup mother solution delivery pump 17, be in order to
Protection mother solution delivery pump 17, prevents mother solution delivery pump 17 to be evacuated, it is ensured that mother solution delivery pump 17 stable operation.
Similarly, the fluid level transmitter 22 in water supply tank 12 is arranged also for preventing dilution water pump 18 to be evacuated.
Temperature transmitter 23 is for detecting the temperature of water supply tank 12, and the pressure transmitter 20 in surge tank 10 is used for
The pressure of detection surge tank 10.
Preferably, the pipeline between surge tank 10, surge tank 10 and mother solution delivery pump 17 and mother solution delivery pump
The output pipe of 17 all uses 316L rustless steel to make, and this 316L rustless steel corrosion resistance is extremely strong, extends
The service life of system of the present utility model.
Preferably, the output pipe of mother solution delivery pump 17 is provided with electrically operated valve 21, electromagnetic flowmeter 19 and
Pressure transmitter 20, this electrically operated valve 21, electromagnetic flowmeter 19 and pressure transmitter 20 all control with PLC
Device 24 connects, the flow of electromagnetic flowmeter 19 mother solution in the output pipe detecting mother solution delivery pump 17 and
Flow velocity, pressure transmitter 20 is for detecting the pressure of mother solution delivery pump 17 output pipe, PLC 24
Testing result according to electromagnetic flowmeter 19 and pressure transmitter 20 controls electrically operated valve 21 and mother solution delivery pump
17, to regulate the amount of the mother solution of mother solution delivery pump 17 output.The output pipe of dilution water pump 18 is provided with electricity
Movable valve 21, electromagnetic flowmeter 19 and pressure transmitter 20, this electrically operated valve 21, electromagnetic flowmeter 19 and
Pressure transmitter 20 is all connected with PLC 24, and similarly, PLC 24 can regulate dilution
The amount injecting water of water pump 18 output, the injection water of dilution water pump 18 output and mother solution delivery pump 17 output
Mother solution mixes, and mother solution is diluted to the purpose liquid of amount concentration the most at last.
Preferably, this utility model is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution
The structure of system is skid-mounted type, and skid-mounted refers to dispersion of the present utility model, each several part group of dilution system
Part is integrated on a unsplit bedplate, can so take up an area sky with integral installation, a kind of integration mode of movement
Between little, system weight is little, conveniently moving, solves the use problem in different oil field, improves the profit of equipment
By rate, it is suitable at sea, uses on high and cold or fault-block oilfield production platform, be especially applicable to construction cost
During huge high offshore oil production platform, it is possible to be substantially reduced the construction cost of offshore production platform, reduce oil field note
The input cost of poly-equipment.
Claims (10)
1. sea or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, a dilution system, its feature exists
In, including water supply tank, dry powder can and surge tank, this water supply tank, dry powder can and surge tank are all and nitrogen
Source connects；Described dry powder can is connected with feeder, buffer container, negative pressure ejector and described slow in turn
Rush tank；Described water supply tank is connected with feed pump and described negative pressure ejector in turn, and this water supply tank is also connected with
There is dilution water pump；The outlet of described surge tank connects mother solution delivery pump, this mother solution conveying delivery side of pump
It is connected with described dilution water delivery side of pump.
Sea the most according to claim 1 or the high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilute
Release system, it is characterised in that this marine or high and cold or powdery polymer rapid dispersion of fault-block oilfield,
The structure of dilution system is skid-mounted type.
Sea the most according to claim 1 and 2 or high and cold or fault-block oilfield powdery polymer quickly divide
Scattered, dilution system, it is characterised in that described buffer container is funnel.
Sea the most according to claim 3 or the high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilute
Release system, it is characterised in that described funnel is visual funnel.
Sea the most according to claim 1 and 2 or high and cold or fault-block oilfield powdery polymer quickly divide
Scattered, dilution system, it is characterised in that this marine or high and cold or fault-block oilfield powdery polymer is quick
Dispersion, dilution system also include that automatic control module, described automatic control module include PLC
And host computer, described PLC is connected with described host computer；Described feed pump and described negative pressure are penetrated
Pipeline between stream device is provided with electromagnetic flowmeter, pressure transmitter and electrically operated valve, this Electromagnetic Flow
Meter, pressure transmitter and electrically operated valve are all connected with described PLC.
Sea the most according to claim 5 or the high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilute
Release system, it is characterised in that be provided with electrically operated valve between described water supply tank and described source nitrogen, this electricity
Movable valve is connected with described PLC, is provided with electrodynamic valve between described dry powder can and described source nitrogen
Door, this electrically operated valve is connected with described PLC, sets between described surge tank and described source nitrogen
Having electrically operated valve, this electrically operated valve is connected with described PLC.
Sea the most according to claim 5 or the high and cold or powdery polymer rapid dispersion of fault-block oilfield, dilute
Release system, it is characterised in that the output pipe of described dilution water pump is provided with electrically operated valve, electromagnetic current
Gauge and pressure transmitter, this electrically operated valve, electromagnetic flowmeter and pressure transmitter all with described PLC
Controller connects.
8. quickly divide according to the sea described in claim 6 or 7 or high and cold or fault-block oilfield powdery polymer
Dissipate, dilution system, it is characterised in that the output pipe of described mother solution delivery pump be provided with electrically operated valve,
Electromagnetic flowmeter and pressure transmitter, this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all and institute
State PLC to connect.
9. quickly divide according to the sea described in claim 6 or 7 or high and cold or fault-block oilfield powdery polymer
Scattered, dilution system, it is characterised in that be provided with temperature transmitter and fluid level transmitter in described water supply tank,
This temperature transmitter and fluid level transmitter are all connected with described PLC；Described surge tank is provided with
Fluid level transmitter and pressure transmitter, this fluid level transmitter and pressure transmitter all control with described PLC
Device connects.
Sea the most according to claim 1 and 2 or high and cold or fault-block oilfield powdery polymer quickly divide
Scattered, dilution system, it is characterised in that described surge tank, described surge tank and described mother solution delivery pump
Between pipeline and the output pipe of described mother solution delivery pump all use 316L rustless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312737.1U CN205577966U (en) | 2016-04-14 | 2016-04-14 | Likepowder polymer instant dispersed , dilution system in marine or high and cold or fault block oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312737.1U CN205577966U (en) | 2016-04-14 | 2016-04-14 | Likepowder polymer instant dispersed , dilution system in marine or high and cold or fault block oil field |
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| Publication Number | Publication Date |
|---|---|
| CN205577966U true CN205577966U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620312737.1U Active CN205577966U (en) | 2016-04-14 | 2016-04-14 | Likepowder polymer instant dispersed , dilution system in marine or high and cold or fault block oil field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756638A (en) * | 2016-04-14 | 2016-07-13 | 河南正佳能源环保股份有限公司 | System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field |
| CN111068537A (en) * | 2020-01-17 | 2020-04-28 | 大庆伟达石油科技有限公司 | Two-stage jet flow dispersing and dissolving device and dispersing and dissolving method thereof |
| WO2020172575A1 (en) * | 2019-02-22 | 2020-08-27 | Eog Resources, Inc. | Injection systems for subterranean wellbores |
-
2016
- 2016-04-14 CN CN201620312737.1U patent/CN205577966U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756638A (en) * | 2016-04-14 | 2016-07-13 | 河南正佳能源环保股份有限公司 | System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field |
| WO2020172575A1 (en) * | 2019-02-22 | 2020-08-27 | Eog Resources, Inc. | Injection systems for subterranean wellbores |
| US11162319B2 (en) | 2019-02-22 | 2021-11-02 | Eog Resources, Inc. | Injection systems for subterranean wellbores |
| CN111068537A (en) * | 2020-01-17 | 2020-04-28 | 大庆伟达石油科技有限公司 | Two-stage jet flow dispersing and dissolving device and dispersing and dissolving method thereof |
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