CN107143318B - Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method - Google Patents
Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method Download PDFInfo
- Publication number
- CN107143318B CN107143318B CN201710459389.XA CN201710459389A CN107143318B CN 107143318 B CN107143318 B CN 107143318B CN 201710459389 A CN201710459389 A CN 201710459389A CN 107143318 B CN107143318 B CN 107143318B
- Authority
- CN
- China
- Prior art keywords
- mixed liquor
- pipeline
- alkali
- storage tank
- tank
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 103
- 239000007924 injection Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 68
- 239000003513 alkali Substances 0.000 claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000004094 surface-active agent Substances 0.000 claims abstract description 98
- 238000003860 storage Methods 0.000 claims abstract description 91
- 239000012452 mother liquor Substances 0.000 claims abstract description 78
- 229920000642 polymer Polymers 0.000 claims abstract description 66
- 230000008676 import Effects 0.000 claims abstract description 48
- 239000002585 base Substances 0.000 claims abstract description 44
- 239000000243 solution Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 230000003213 activating effect Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 60
- 239000006185 dispersion Substances 0.000 claims description 24
- 238000002513 implantation Methods 0.000 claims description 23
- 239000004815 dispersion polymer Substances 0.000 claims description 20
- 230000003068 static effect Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 26
- 239000012530 fluid Substances 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 description 8
- 230000003100 immobilizing effect Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Accessories For Mixers (AREA)
Abstract
The present invention relates to weak base ternary allocation process technical fields, it is a kind of single pump individual well two-stage concentration allotment weak base ternary injection device and its application method, singly pump individual well two-stage concentration deploys weak base ternary injection device for this, including AS storage tank, S storage tank, SP storage tank and PLC controller, it is provided with alkali liquor import, first surface activating agent mother liquor import and the first water inlet on AS storage tank, second surface activating agent mother liquor import and the second water inlet are provided on S storage tank.Single pump individual well two-stage concentration allotment weak base ternary injection device of the present invention and its application method, can reduce the loss of ground purpose fluid viscosity and concentration error；Its concentration for capableing of flexible modulation polymer by injecting surfactant solution, alkali and surfactant are configured in low-pressure end, keep the alkali concentration in the AS mixed liquor of configuration uniform and stable, the alkali concentration for solving the problems, such as that alkali and surfactant are mixed by prior art in high pressure water endpoint drop is unstable.
Description
Technical field
The present invention relates to weak base ternary allocation process technical fields, are a kind of single pump individual well two-stage concentration allotment weak base ternarys
Device and its application method.
Background technique
With the continuous popularization of ternary compound oil drive oil recovery exploitation, sandstone oil reservoir old filed carries out Weak Base ASP Flood
Exploitation Above Ground Technology has tended to be mature, and heterogeneity strong Conglomerate Reservoir in part gradually uses Weak Base ASP Flood to carry out
Lapse rate of the exploitation to improve its recovery ratio, control old filed, but each injection stage injection pressure of heterogeneous reservoir injection well
Poor big, implantation concentration variation greatly, injection rate difference.Traditional sandstone oil reservoir weak base ternary injection technology is used for heterogeneous strong conglomerate
When oil reservoir, there are ground purpose fluid viscosities to lose the disadvantages of big, concentration error is big, scaling is serious.
Weak base ternary allocation process mainly uses low pressure ternary high pressure binary list to pump more well techniques, low pressure binary high pressure at present
Binary list pumps individual well technique, low pressure binary high pressure ternary list pumps more well techniques.
It is as shown in Fig. 1 that low pressure ternary high pressure binary list pumps more well process flows: first to the polymer mother liquor cured
It is middle that quantitative surfactant stoste and alkali liquor is added, required low pressure ternary liquid is become, polymer concentration can be according to work
Skill needs to adjust, and surfactant concentration is the implantation concentration (immobilizing) of geologic requirements, and alkali concentration is that the injection of geologic requirements is dense
It spends (immobilizing)；Secondly enough alkali+surfactant low pressure Binary Liquids are deployed, surfactant concentration is that implantation concentration is fixed not
Become, alkali concentration is that the implantation concentration of geologic requirements immobilizes.
The advantages of process flow: individual well polymer concentration is adjustable, and alkali is stablized constant with surfactant concentration；It is few to pump quantity,
Fault point is few；Equipment investment is smaller.
The shortcomings that process flow: process equipment fouling point is more, high failure rate.
The fouling point outstanding behaviours of the process flow exists: ternary blend tank, ternary liquid transfer device, the coarse-fine filtering of ternary liquid
Device, ternary liquid booster pump, alkali dispersal device, dissolving tank and output process pipelines, binary tune storage tank, Binary Liquid supercharging device, list
Well high pressure static mixer and underground injection technology pipeline.
It is as shown in Fig. 2 that low pressure binary high pressure ternary list pumps individual well process flow: first to the polymer mother liquor cured
It is middle that quantitative surfactant stoste is added, required low pressure Binary Liquid is become, polymer concentration can be according to process requirement tune
Whole, surfactant concentration is the implantation concentration (immobilizing) of geologic requirements；It is pressed in the high pressure water manifold followed by come to injection station
Alkali liquor and surfactant stoste is added in ratio, becomes the high pressure Binary Liquid of geologic requirements, surfactant concentration is that geology is wanted
The implantation concentration (immobilizing) asked, alkali concentration are that geology gives concentration (adjusting at any time according to variation).Low pressure Binary Liquid is by column
It is abundant in high pressure static mixer that plug pumps the high pressure Binary Liquid (the more wells of pump) remitted after (single pump individual well) is pressurized with high-voltage tube
It mixes and under injection well.Process can realize that individual well unitary is adjustable (individual well polymer concentration is adjustable), and surfactant concentration is constant, alkali dense
Spend the injection technology fluctuated in a certain range.
The advantages of process flow: individual well polymer concentration is adjustable, and surfactant concentration is stablized constant；Process equipment fouling point
Few, failure rate is low.
The shortcomings that process flow: being dripped in high pressure water endpoint due to alkali and surfactant and mixed, the road configuration concentration error compared with
Greatly, cause alkali concentration unstable, and in order to guarantee polymer concentration, individual well alkali concentration difference is big, pump quantity is big, and fault point is more,
Equipment investment is bigger.
The fouling point outstanding behaviours of the process flow exists: alkali dispersal device, dissolving tank (alkali liquor storage tank) and output technique
Pipeline, alkali liquor supercharging device, individual well high pressure static mixer and underground injection technology pipeline.
It is as shown in Fig. 3 that low pressure binary high pressure ternary list pumps more well process flows: first to the polymer mother liquor cured
It is middle that quantitative surfactant stoste is added, required low pressure Binary Liquid is become, polymer concentration can be adjusted according to process requirement,
Surfactant concentration is the implantation concentration (immobilizing) of geologic requirements；In the high pressure water manifold followed by come to injection station in proportion
Alkali liquor and surfactant stoste is added, becomes the high pressure Binary Liquid of geologic requirements, surfactant concentration is geologic requirements
Implantation concentration (immobilizes), and alkali concentration is that geology gives concentration (adjusting at any time according to variation).Low pressure Binary Liquid is by plunger pump
The high Binary Liquid (the more wells of pump) remitted after (the more wells of pump) pressurization with high-voltage tube is sufficiently mixed simultaneously in high pressure static mixer
Under injection well.Process can realize that individual well unitary is adjustable (individual well polymer concentration is adjustable), and surfactant concentration is constant, and alkali concentration is one
Determine the injection technology fluctuated in range.
The advantages of process flow: individual well polymer concentration is adjustable, and surfactant concentration is stablized constant；It is few to pump quantity, failure
Point is few；Equipment investment is smaller.
The shortcomings that process flow: alkali and surfactant are dripped in high pressure water endpoint and are mixed, and the road configuration concentration error is larger, leads
Cause alkali concentration unstable, and in order to guarantee polymer concentration, individual well alkali concentration difference is big, and injection pressure is single to be cannot be adjusted, only
It can unify to adjust.
The fouling point outstanding behaviours of the process flow exists: alkali dispersal device, dissolving tank and output process pipelines, alkali liquor increase
Pressure device, individual well high pressure static mixer and underground injection technology pipeline.
Summary of the invention
The present invention provides a kind of single pump individual well two-stage concentration allotment weak base ternary injection device and its application methods, overcome
The deficiency of the above-mentioned prior art, can effectively solve existing weak base ternary allocation process, there are purpose fluid viscosity loss in ground is big
The big problem with concentration error.
Technical solution of the present invention first is that being realized by following measures: a kind of single pump individual well two-stage concentration allotment is weak
Alkali ternary injection device, including AS storage tank, S storage tank, SP storage tank and PLC controller, be provided on AS storage tank alkali liquor import,
First surface activating agent mother liquor import and the first water inlet are provided with second surface activating agent mother liquor import and on S storage tank
Two water inlets are provided with polymer mother liquor import, third surfactant mother liquor import and third water inlet on SP storage tank；?
The liquid outlet of SP storage tank is fixedly installed with SP mixed liquor main pipe line, is serially connected with the first pressurization in the outlet end of SP mixed liquor main pipe line
Pump, is fixedly connected at least one SP mixed liquor by-pass line, in each SP mixed liquor branch pipe on SP mixed liquor main pipe line
The outlet end of line is serially connected with the first booster pump, is fixedly installed with injection pipeline in the outlet end of each the first booster pump,
It is serially connected with mixer on each injection pipeline, is fixedly installed with AS mixed liquor main pipe line, AS in the liquid outlet of AS storage tank
Mixed liquor main pipe line passes through the first by-pass line with each mixer respectively and is connected to, in the liquid outlet and the first by-pass line of AS storage tank
Between AS mixed liquor main pipe line on be serially connected with the second booster pump, be fixedly installed on the liquid outlet of S storage tank and SP mixed liquor
The S mixed liquor main pipe line that main pipe line communicates, S mixed liquor main pipe line and each SP mixed liquor by-pass line pass through the second branch pipe respectively
Line is connected to, and the first elevator pump is serially connected on the S mixed liquor main pipe line between the liquid outlet and the second by-pass line of S storage tank, in SP
It is serially connected with the second elevator pump on SP mixed liquor main pipe line between the liquid outlet and SP mixed liquor by-pass line of storage tank, in each
It is fixedly installed with first flow adjuster on one by-pass line, is mixed in the second by-pass line of each and the second by-pass line with SP
It is fixedly installed with second flow adjuster on S mixed liquor main pipe line between liquid main pipe line, in the liquid outlet of the second booster pump
Place is fixedly installed with pressure sensor, and the signal output end of pressure sensor and the first signal input part of PLC controller are electrically connected
It connects；PLC controller is electrically connected with first flow adjuster, second flow adjuster, the first booster pump and the second booster pump respectively.
Here is further optimization or/and improvement of one of the above technical solutions of the invention:
First signal output end of above-mentioned PLC controller is electrically connected with the signal input part of the frequency converter of the second booster pump；
First flow adjuster includes the first motor-driven valve and first flowmeter, the signal output end of first flowmeter and PLC controller
The electrical connection of second signal input terminal, the second signal output end of PLC controller are electrically connected with the signal input part of the first motor-driven valve；
Second flow adjuster includes the second motor-driven valve and second flowmeter, the signal output end of second flowmeter and PLC controller
The electrical connection of third signal input part, the third signal output end of PLC controller are electrically connected with the signal input part of the second motor-driven valve.
Above-mentioned mixer is static mixer；Or/and first booster pump and the second booster pump be plunger pump；Or/and
Filter is fixedly installed on SP mixed liquor main pipe line；Or/and it is fixedly installed in AS storage tank, S storage tank, SP storage tank
Blender；Or/and removing scale by strong magnetic field instrument is fixedly installed on AS mixed liquor main pipe line.
Above-mentioned further includes water tank, alkali dispersion tank, alkali feeder, polymer feeder, surfactant mother liquor holding tank and polymerization
Object dispersion tank, water tank are connected to the water inlet of alkali dispersion tank by pipeline, between water tank and the water inlet of alkali dispersion tank
Pipeline on be serially connected with water supply pump, the discharge end of alkali feeder is fixed on the upper end of alkali dispersion tank, the outlet end of alkali dispersion tank with
The alkali liquor import of AS storage tank is connected to by the first pipeline, and alkali liquor elevator pump is serially connected on the first pipeline；Water tank goes out
Mouth is connected to the first water inlet, the second water inlet and third water inlet by pipeline respectively；Water tank and polymer dispersion tank
Water inlet is connected to by pipeline, is serially connected with water supply pump on the pipeline between water tank and the water inlet of polymer dispersion tank, is gathered
The discharge end for closing object feeder is fixed on the upper end of polymer dispersion tank, polymerize in the discharge end of polymer dispersion tank with SP storage tank
Object mother liquor import is connected to by the second pipeline, and polymer mother liquor elevator pump is serially connected on the second pipeline；Surfactant mother liquor holding tank
Outlet end be connected to the second surface activating agent mother liquor import of S storage tank by third pipeline；Table is serially connected on third pipeline
Agent mother liquor elevator pump living, is fixedly installed with valve on the first pipeline, the second pipeline and third pipeline.
Technical solution of the present invention second is that being realized by following measures: single pump described in a kind of one of technical solution
Individual well two-stage concentration deploys the application method of weak base ternary injection device, carries out as follows: alkali liquor, surfactant are female
Liquid and water enter AS storage by corresponding alkali liquor import, first surface activating agent mother liquor import and the first water inlet respectively
AS mixed liquor is obtained after in-tank mixing is uniform, the surfactant concentration in AS mixed liquor is the implantation concentration of surfactant,
Surfactant mother liquor and water enter S storage by corresponding second surface activating agent mother liquor import and the second water inlet respectively
S solution is obtained after in-tank mixing is uniform, the surfactant concentration in S solution and the surfactant concentration phase in AS mixed liquor
Together, polymer mother liquor, surfactant mother liquor and water pass through corresponding polymer mother liquor import, third surface-active respectively
The import of agent mother liquor and third water inlet enter obtains SP mixed liquor after mixing in SP storage tank, the surface-active in SP mixed liquor
Agent concentration is identical as the surfactant concentration in AS mixed liquor, and an injection pipeline corresponds to a bite injection well, and AS mixed liquor is logical
High pressure AS mixed liquor is obtained after crossing the boosting of the second booster pump, the SP mixed liquor in SP storage tank obtains after boosting by the first booster pump
High pressure SP mixed liquor, high pressure SP mixed liquor and high pressure AS mixed liquor are mixed to form ternary mixed liquor, ternary mixing in mixer
Liquid is injected into well by injecting pipeline；
When the polymer concentration in the ternary mixed liquor in the injection pipeline for needing to reduce one or more, PLC controller
The signal that second flow adjuster corresponding with injection pipeline adjusts flow is given, and passes through the first elevator pump for the S in S storage tank
For solution pump to converging at pipeline with SP mixed liquor, the addition of S solution can be such that the polymer concentration in ternary mixed liquor reduces；
When the concentration of the alkali in the ternary mixed liquor in the injection pipeline for needing to reduce one or more, controlled by PLC
Device control first flow adjuster corresponding with injection pipeline, adjusts the flow for entering the high pressure AS mixed liquor of mixer, meanwhile,
PLC controller gives the signal that the first booster pump increases flow, and the pump output of the first booster pump increases, and the high pressure SP after adjusting is mixed
It closes liquid to mix in mixer with high pressure AS mixed liquor, the alkali concentration in ternary mixed liquor can be made to reduce.
Here is further optimization or/and improvement of the technical scheme ii of the invention:
Data on flows is sent to PLC controller by above-mentioned first flowmeter, and PLC controller is wanted according to injection well yield injection
The data on flows of first flowmeter of summing feedback controls the aperture of the first motor-driven valve.
Above-mentioned pressure sensor measures the pressure of the second booster pump liquid outlet, and pressure data is sent to by pressure sensor
PLC controller, PLC controller give the signal of the frequency converter frequency conversion of the second booster pump according to the pressure data received, change
The pump output of second booster pump.
Single pump individual well two-stage concentration allotment weak base ternary injection device of the present invention and its application method, can be reduced
The loss of ground purpose fluid viscosity and concentration error；Its concentration for capableing of flexible modulation polymer by injecting surfactant solution, alkali
The configuration of purpose liquid is carried out in low-pressure end with surfactant, keeps the alkali concentration in the AS mixed liquor of configuration uniform and stable, solves existing
The unstable problem of the alkali concentration that alkali and surfactant are mixed by technique in high pressure water endpoint drop, and high pressure AS mixed liquor with
High pressure SP mixed liquor is mixed in mixer, shortens the path of lye, to reduce the fouling point of the present apparatus, that is, is reduced
The risk that the present apparatus breaks down guarantees that the present apparatus being capable of long-term operation；Meanwhile the application method through the invention
It is found that can not only deploy the implantation concentration of individual well polymer, but also the implantation concentration of individual well alkali can be deployed, to pass through this
It is mixed that invention single pump individual well two-stage concentration allotment weak base ternary injection device and its application method can effectively control ternary
Close liquid in alkali, polymer, surfactant implantation concentration；In addition, using single pump individual well injection, realize injection pressure can it is single can
It adjusts；The linkage of pressure sensor, PLC controller and the second booster pump, when adjusting some single channel flow on the first by-pass line,
The normal production of other bypasses on the first by-pass line is not influenced, and new weak base ternary injection is provided for heterogeneous Conglomerate Reservoir
Technique.
Detailed description of the invention
Attached drawing 1 is the flow chart that existing low pressure ternary high pressure binary list pumps more well techniques.
Attached drawing 2 is the flow chart that existing low pressure binary high pressure binary list pumps individual well technique.
Attached drawing 3 is the flow chart that existing low pressure binary high pressure ternary list pumps more well techniques.
Attached drawing 4 is some processes flow chart of the embodiment of the present invention 1.
Attached drawing 5 is some processes flow chart of the embodiment of the present invention 1.
Coding in attached drawing is respectively as follows: 1 for AS storage tank, and 2 be S storage tank, and 3 be SP storage tank, and 4 be surfactant mother liquor elevator pump, and 5
For alkali liquor import, 6 be the mother liquor import of first surface activating agent, and 7 be the first water inlet, 8 for second surface activating agent mother liquor into
Mouthful, 9 be the second water inlet, and 10 be polymer mother liquor import, and 11 be the mother liquor import of third surfactant, and 12 intake for third
Mouthful, 13 be SP mixed liquor main pipe line, and 14 be the first booster pump, and 15 be SP mixed liquor by-pass line, and 16 be high pressure water manifold, and 17 be note
Enter pipeline, 18 be mixer, and 19 be AS mixed liquor main pipe line, and 20 be the first by-pass line, and 21 be the second booster pump, and 22 mix for S
Liquid main pipe line, 23 be the second by-pass line, and 24 be the first elevator pump, and 25 be the second elevator pump, and 26 be the first motor-driven valve, and 27 be first
Flowmeter, 28 be the second motor-driven valve, and 29 be second flowmeter, and 30 be filter, and 31 be removing scale by strong magnetic field instrument, and 32 be water tank, 33
It is alkali feeder for alkali dispersion tank, 34,35 be polymer feeder, and 36 be surfactant mother liquor holding tank, and 37 be polymer dispersion tank,
38 be water supply pump, and 39 be the first pipeline, and 40 be alkali liquor elevator pump, and 41 be the second pipeline, and 42 be polymer mother liquor elevator pump, 43
It is alkali liquor supercharging device for third pipeline, 44,45 be ternary blend tank, and 46 be ternary liquid transfer device, and 47 is thick for ternary liquid
Fine filter, 48 be ternary liquid booster pump, and 49 be alkali dispersal device, and 50 be alkali liquor storage tank, and 51 be binary tune storage tank, and 52 be two
First liquid supercharging device, 53 be individual well high pressure static mixer, and 54 be alkali liquor supercharging device.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.It is previously mentioned various chemical reagent and chemical article in the present invention unless otherwise specified, is public in the prior art
Know common chemical reagent and chemical article；Concentration in the present invention does not have specified otherwise such as, is mass percentage concentration (%).
In the present invention, for ease of description, the description of the relative positional relationship of each component is the Butut side according to Figure of description 4
Formula is described, such as: front, rear, top, and bottom, left and right positional relationship are come according to the Butut direction of Figure of description 4
Determining；A represents alkali, and S represents surfactant, P representation polymer.
The present invention will be further described below with reference to examples:
Embodiment 1: as shown in attached drawing 4 to attached drawing 5, single individual well two-stage concentration that pumps deploys weak base ternary injection device, including
AS storage tank 1, S storage tank 2, SP storage tank 3 and PLC controller are provided with alkali liquor import 5, first surface activating agent on AS storage tank 1
Mother liquor import 6 and the first water inlet 7, are provided with the import 8 of second surface activating agent mother liquor and the second water inlet 9 on S storage tank 2,
Polymer mother liquor import 10, third surfactant mother liquor import 11 and third water inlet 12 are provided on SP storage tank 3；In SP
The liquid outlet of storage tank 3 is fixedly installed with SP mixed liquor main pipe line 13, is serially connected with first in the outlet end of SP mixed liquor main pipe line 13
Booster pump 14 is fixedly connected at least one SP mixed liquor by-pass line 15, in each SP on SP mixed liquor main pipe line 13
The outlet end of mixed liquor by-pass line 15 is serially connected with the first booster pump 14, fixed in the outlet end of each the first booster pump 14
Injection pipeline 17 is installed, is serially connected with mixer 18 on each injection pipeline 17, in the fixed peace of the liquid outlet of AS storage tank 1
Equipped with AS mixed liquor main pipe line 19, AS mixed liquor main pipe line 19 and each mixer 18 are connected by the first by-pass line 20 respectively
It is logical, it is serially connected with the second booster pump 21 on the AS mixed liquor main pipe line 19 between the liquid outlet and the first by-pass line 20 of AS storage tank 1,
The S mixed liquor main pipe line 22 communicated with SP mixed liquor main pipe line 13 is fixedly installed on the liquid outlet of S storage tank 2, S mixed liquor is total
Pipeline 22 is connected to by the second by-pass line 23 respectively with each SP mixed liquor by-pass line 15, in the liquid outlet of S storage tank 2 and second
It is serially connected with the first elevator pump 24 on S mixed liquor main pipe line 22 between by-pass line 23, in the liquid outlet and SP mixed liquor of SP storage tank 3
It is serially connected with the second elevator pump 25 on SP mixed liquor main pipe line 13 between by-pass line 15, it is solid on the first by-pass line of each 20
Dingan County is equipped with first flow adjuster, in each the second by-pass line 23 and the second by-pass line 23 and SP mixed liquor main pipe line 13
Between S mixed liquor main pipe line 22 on be fixedly installed with second flow adjuster, at the liquid outlet of the second booster pump 21 consolidate
Dingan County is equipped with pressure sensor, and the signal output end of pressure sensor is electrically connected with the first signal input part of PLC controller；
PLC controller is electrically connected with first flow adjuster, second flow adjuster, the first booster pump 14 and the second booster pump 21 respectively
It connects.
First flow adjuster, second flow adjuster are flow regulating apparatus in existing well-known technique.
When list described in the present embodiment pumps individual well two-stage concentration allotment weak base ternary injection device for the injection allocation of weak base ternary,
Alkali liquor, surfactant mother liquor and water obtain AS mixed liquor after mixing in AS storage tank 1, and the surface in AS mixed liquor is living
Property agent concentration be surfactant implantation concentration, it is molten that surfactant mother liquor and water obtain S after mixing in S storage tank 2
Liquid, the surfactant concentration in S solution is identical as the surfactant concentration in AS mixed liquor, and polymer mother liquor, surface are living
Property agent mother liquor and water obtain SP mixed liquor, surfactant concentration and AS in SP mixed liquor after mixing in SP storage tank 3
Surfactant concentration in mixed liquor is identical, and the corresponding a bite injection well of an injection pipeline 17, AS mixed liquor increases by second
Press pump 21 obtains high pressure AS mixed liquor after boosting, and the SP mixed liquor in SP storage tank 3 obtains height after boosting by the first booster pump 14
SP mixed liquor is pressed, high pressure SP mixed liquor and high pressure AS mixed liquor are mixed to form ternary mixed liquor, ternary mixing in mixer 18
Liquid is injected into well by injecting pipeline 17；
When the polymer concentration in the ternary mixed liquor in the injection pipeline 17 for needing to reduce one or more, PLC control
Device gives second flow adjuster corresponding with injection pipeline 17 and adjusts the signal of flow, and is stored up S by the first elevator pump 24
For S solution pump in tank 2 to converging at pipeline with SP mixed liquor, the addition of S solution can make the polymer in ternary mixed liquor dense
Degree reduces；
When the concentration of the alkali in the ternary mixed liquor in the injection pipeline 17 for needing to reduce one or more, controlled by PLC
Device processed controls first flow adjuster corresponding with injection pipeline 17, adjusts the stream for entering the high pressure AS mixed liquor of mixer 18
Amount, meanwhile, PLC controller gives the signal that the first booster pump 14 increases flow, and the pump output of the first booster pump 14 increases, adjusts
High pressure SP mixed liquor afterwards mixes in mixer 18 with high pressure AS mixed liquor, and the alkali concentration in ternary mixed liquor can be made to drop
It is low.
As being due to the concentration (for example being all 1%) of AS mixed liquor, S solution and the surfactant (S) in SP mixed liquor,
The concentration of the surfactant is surfactant concentration needed for injection well；Therefore it can be adjusted by injecting S solution into SP mixed liquor
The concentration of polymer (P) is saved, the concentration of flexible modulation polymer can be required according to actual injection；
Alkali and surfactant are configured in low-pressure end, i.e., alkali and surfactant before being boosted using the second booster pump 21 just
Mixing keeps the alkali concentration in the AS mixed liquor of configuration uniform and stable, solves prior art for alkali and surfactant in high pressure water end (W.E.)
The unstable problem of the alkali concentration that drop is mixed, and high pressure AS mixed liquor and high pressure SP mixed liquor are carried out in mixer 18
Mixing, shortens the path of lye, to reduce the fouling point of the present apparatus, that is, reduces the risk of present apparatus failure,
Guarantee the present apparatus can long-term operation, meanwhile, by above-mentioned application method it is found that the injection that can not only deploy individual well alkali is dense
Degree, and the implantation concentration of individual well polymer can be deployed, thus single pump individual well two-stage concentration tune through this embodiment
With weak base ternary injection device can effectively control alkali in ternary mixed liquor, polymer, surfactant implantation concentration.
The pump individual well two-stage concentration allotment weak base ternary injection device of list described in the present embodiment is applied into oil field entry name
When two factories, seven 1 area gram the following group Conglomerate Reservoir Weak Base ASP Flood surface construction engineering of east of referred to as recovering the oil, ground purpose liquid (ternary
Mixed liquor) viscosity loss less than 12%, concentration error less than 10%, and use existing weak base ternary technique (low pressure ternary high pressure two
First single more well techniques, low pressure binary high pressure binary list pump individual well technique, low pressure binary high pressure ternary list of pumping pumps more well techniques) application
When the oil field project, purpose fluid viscosity loss in ground is 15% to 20%, and concentration error is 10% to 20%, therefore, the present embodiment
Single pump individual well two-stage concentration allotment weak base ternary injection device can reduce the loss of ground purpose fluid viscosity and concentration is missed
Difference.
In addition, realizing injection pressure can be single adjustable using single pump individual well injection；Pressure sensor, PLC controller with
The linkage of second booster pump 21 does not influence on the first by-pass line 20 when adjusting some single channel flow on the first by-pass line 20
Other bypasses normal production.
Above-mentioned single pump individual well two-stage concentration allotment weak base ternary injection device can be advanced optimized according to actual needs
Or/and it improves:
As needed, in order to be further reduced the loss of ground purpose fluid viscosity and concentration error, the first of PLC controller is believed
Number output end is electrically connected with the signal input part of the frequency converter of the second booster pump 21；First flow adjuster includes the first motor-driven valve
26 and first flowmeter 27, the signal output end of first flowmeter 27 be electrically connected with the second signal input terminal of PLC controller,
The second signal output end of PLC controller is electrically connected with the signal input part of the first motor-driven valve 26；Second flow adjuster includes
Second motor-driven valve 28 and second flowmeter 29, the signal output end of second flowmeter 29 and the third signal of PLC controller input
End electrical connection, the third signal output end of PLC controller are electrically connected with the signal input part of the second motor-driven valve 28.
Data on flows is sent to PLC controller by first flowmeter 27, and PLC controller is according to the feedback of first flowmeter 27
Data and traffic requirement control the aperture of the first motor-driven valve 26.
The work of second motor-driven valve 28 and second flowmeter 29 is similarly.
As needed, mixer 18 is static mixer；Or/and first booster pump 14 and the second booster pump 21 be column
Plug pump；Or/and filter 30 is fixedly installed on SP mixed liquor main pipe line 13；Or/and in AS storage tank 1, S storage tank 2, SP storage
Blender is fixedly installed in tank 3；Or/and as shown in attached drawing 4 to attached drawing 5, it is fixedly mounted on AS mixed liquor main pipe line 19
There is removing scale by strong magnetic field instrument 31.
Filter 30 can remove micelle, the flake etc. that polymer in SP mixed liquor is formed, and filter 30 can use one
More than a.
In storage tank 1, S storage tank 2, SP storage tank 3 when setting blender, solution can be made quickly to be uniformly mixed.
Removing scale by strong magnetic field instrument 31 can remove the calcium ion in pipeline fluid solution.
As shown in attached drawing 4 to attached drawing 5, single individual well two-stage concentration allotment weak base ternary injection device that pumps further includes water tank
32, alkali dispersion tank 33, alkali feeder 34, polymer feeder 35, surfactant mother liquor holding tank 36 and polymer dispersion tank 37, water storage
Tank 32 is connected to the water inlet of alkali dispersion tank 33 by pipeline, the pipeline between water tank 32 and the water inlet of alkali dispersion tank 33
On be serially connected with water supply pump 38, the discharge end of alkali feeder 34 is fixed on the upper end of alkali dispersion tank 33, the outlet end of alkali dispersion tank 33
It is connected to the alkali liquor import 5 of AS storage tank 1 by the first pipeline 39, is serially connected with alkali liquor elevator pump 40 on the first pipeline 39；
The outlet of water tank 32 is connected to the first water inlet 7, the second water inlet 9 and third water inlet 12 by pipeline respectively；Water tank
32 are connected to the water inlet of polymer dispersion tank 37 by pipeline, between water tank 32 and the water inlet of polymer dispersion tank 37
Pipeline on be serially connected with water supply pump 38, the discharge end of polymer feeder 35 is fixed on the upper end of polymer dispersion tank 37, poly-
The discharge end for closing object dispersion tank 37 is connected to the 3 polymer mother liquor import 10 of SP storage tank by the second pipeline 41, in the second pipeline 41
On be serially connected with polymer mother liquor elevator pump 42；The outlet end of surfactant mother liquor holding tank 36 and the second surface activating agent of S storage tank 2 are female
Liquid import 8 is connected to by third pipeline 43；Surfactant mother liquor elevator pump 4 is serially connected on third pipeline 43, the first pipeline 39,
Valve is fixedly installed on second pipeline 41 and third pipeline 43.
Pass through water tank 32, alkali dispersion tank 33, alkali feeder 34, polymer feeder 35,36 and of surfactant mother liquor holding tank
Polymer dispersion tank 37 prepares corresponding mother liquor, such as alkali liquor, surfactant mother liquor, polymer mother liquor.
Embodiment 2: as shown in attached drawing 4 to attached drawing 5, list pump individual well two-stage concentration allotment weak base ternary injection device makes
With method, carry out as follows: alkali liquor, surfactant mother liquor and water respectively by corresponding alkali liquor import 5,
The import 6 of first surface activating agent mother liquor and the first water inlet 7 enter in AS storage tank 1 obtains AS mixed liquor after mixing, and AS is mixed
The implantation concentration that the surfactant concentration in liquid is surfactant is closed, surfactant mother liquor passes through respectively right respectively with water
The second surface activating agent mother liquor import 8 answered and the second water inlet 9 enter in S storage tank 2 obtains S solution, S solution after mixing
In surfactant concentration it is identical as the surfactant concentration in AS mixed liquor, polymer mother liquor, surfactant mother liquor
Pass through corresponding polymer mother liquor import 10, third surfactant mother liquor import 11 and third water inlet 12 respectively with water
SP mixed liquor is obtained in into SP storage tank 3 after mixing, in the surfactant concentration in SP mixed liquor and AS mixed liquor
Surfactant concentration is identical, and the corresponding a bite injection well of an injection pipeline 17, AS mixed liquor is boosted by the second booster pump 21
After obtain high pressure AS mixed liquor, the SP mixed liquor in SP storage tank 3 by the first booster pump 14 boost after obtains high pressure SP mixed liquor,
High pressure SP mixed liquor and high pressure AS mixed liquor are mixed to form ternary mixed liquor in mixer 18, and ternary mixed liquor passes through injection pipe
Line 17 injects into well；
When the polymer concentration in the ternary mixed liquor in the injection pipeline 17 for needing to reduce one or more, PLC control
Device gives second flow adjuster corresponding with injection pipeline 17 and adjusts the signal of flow, and is stored up S by the first elevator pump 24
For S solution pump in tank 2 to converging at pipeline with SP mixed liquor, the addition of S solution can make the polymer in ternary mixed liquor dense
Degree reduces；
When the concentration of the alkali in the ternary mixed liquor in the injection pipeline 17 for needing to reduce one or more, controlled by PLC
Device processed controls first flow adjuster corresponding with injection pipeline 17, adjusts the stream for entering the high pressure AS mixed liquor of mixer 18
Amount, meanwhile, PLC controller gives the signal that the first booster pump 14 increases flow, and the pump output of the first booster pump 14 increases, adjusts
High pressure SP mixed liquor afterwards mixes in mixer 18 with high pressure AS mixed liquor, and the alkali concentration in ternary mixed liquor can be made to drop
It is low.
As being due to the concentration (for example being all 1%) of AS mixed liquor, S solution and the surfactant (S) in SP mixed liquor,
The concentration of the surfactant is surfactant concentration needed for injection well；Therefore it can be adjusted by injecting S solution into SP mixed liquor
The concentration of polymer (P) is saved, the concentration of flexible modulation polymer can be required according to actual injection, and can be with individual well tune
Save the concentration of polymer；
Alkali and surfactant are configured in low-pressure end, i.e., alkali and surfactant before being boosted using the second booster pump 21 just
Mixing keeps the alkali concentration in the AS mixed liquor of configuration uniform and stable, solves prior art for alkali and surfactant in high pressure water end (W.E.)
The unstable problem of the alkali concentration that drop is mixed, and high pressure AS mixed liquor and high pressure SP mixed liquor are carried out in mixer 18
Mixing, shortens the path of lye, to reduce the fouling point of the present apparatus, that is, reduces the risk of present apparatus failure,
Guarantee the present apparatus can long-term operation, meanwhile, the application method is it is found that can not only deploy individual well through this embodiment
The implantation concentration of alkali, and the implantation concentration of individual well polymer can be deployed, thus single pump individual well through this embodiment
It is living that the application method of two-stage concentration allotment weak base ternary injection device can effectively control alkali in ternary mixed liquor, polymer, table
The implantation concentration of agent.
The application method of the pump individual well two-stage concentration allotment weak base ternary injection device of list described in the present embodiment is applied to
Oil field project name is ground when recovering the oil two factories, seven 1 area gram the following group Conglomerate Reservoir Weak Base ASP Flood surface construction engineering of east
Purpose fluid viscosity loses less than 12%, concentration error less than 10%, and uses existing weak base ternary technique (low pressure ternary high pressure binary
Single more well techniques, low pressure binary high pressure binary list pump individual well technique, low pressure binary high pressure ternary list of pumping pumps more well techniques) it is applied to
When the oil field project, purpose fluid viscosity loss in ground is 15% to 20%, and concentration error is 10% to 20%, therefore, the present embodiment institute
The application method for the single pump individual well two-stage concentration allotment weak base ternary injection device stated can reduce the loss of ground purpose fluid viscosity
And concentration error.
In addition, realizing injection pressure can be single adjustable using single pump individual well injection；Pressure sensor, PLC controller with
The linkage of second booster pump 21 does not influence on the first by-pass line 20 when adjusting some single channel flow on the first by-pass line 20
Other bypasses normal production.
Embodiment 3: as the optimization of embodiment 2, in order to be further reduced the loss of ground purpose fluid viscosity and concentration error,
Data on flows is sent to PLC controller by first flowmeter 27, and PLC controller requires and first-class according to injection well yield injection
The data on flows that meter 27 is fed back controls the aperture of the first motor-driven valve 26.
Embodiment 4: as embodiment 2 to the optimization of embodiment 3, in order to be further reduced the loss of ground purpose fluid viscosity and
Concentration error, pressure sensor measure the pressure of 21 liquid outlet of the second booster pump, and pressure data is sent to PLC by pressure sensor
Controller, PLC controller give the signal of the frequency converter frequency conversion of the second booster pump 21 according to the pressure data received, change the
The pump output of two booster pumps 21.
In conclusion single pump individual well two-stage concentration allotment weak base ternary injection device of the present invention and its user
Method can reduce the loss of ground purpose fluid viscosity and concentration error；It being capable of flexible modulation polymerization by injection surfactant solution
The concentration of object, alkali and surfactant carry out the configuration of purpose liquid in low-pressure end, keep the alkali concentration in the AS mixed liquor of configuration uniform and stable,
Solve the problems, such as that alkali concentration that alkali and surfactant are mixed in high pressure water endpoint drop by prior art is unstable and error is big,
And high pressure AS mixed liquor is mixed with high pressure SP mixed liquor in mixer 18, and the path of lye is shortened, to reduce
The fouling point of the present apparatus reduces the risk of present apparatus failure, guarantee that the present apparatus being capable of long-term operation；Meanwhile it is logical
Application method of the present invention is crossed it is found that can not only deploy the implantation concentration of individual well alkali, but also individual well polymerization can be deployed
The implantation concentration of object, thus single pump individual well two-stage concentration allotment weak base ternary injection device and its use through the invention
Method can effectively control alkali in ternary mixed liquor, polymer, surfactant implantation concentration；In addition, using single pump individual well injection,
Realizing injection pressure can be single adjustable；The linkage of pressure sensor, PLC controller and the second booster pump 21, makes the first branch pipe
When some single channel flow on line 20 is adjusted, the normal production of other bypasses on the first by-pass line 20 is not influenced, is heterogeneous
Conglomerate Reservoir provides new weak base ternary injection technology.
The above technical features constitute embodiments of the present invention, can basis with stronger adaptability and implementation result
Actual needs increases and decreases non-essential technical characteristic, to meet the needs of different situations.
Claims (8)
1. a kind of single pump individual well two-stage concentration deploys weak base ternary injection device, including AS storage tank, S storage tank, SP storage tank, feature
Be to further include PLC controller, be provided on AS storage tank alkali liquor import, first surface activating agent mother liquor import and first into
The mouth of a river is provided with second surface activating agent mother liquor import and the second water inlet on S storage tank, is provided with polymer on SP storage tank
Mother liquor import, third surfactant mother liquor import and third water inlet；SP mixing is fixedly installed in the liquid outlet of SP storage tank
Liquid main pipe line is serially connected with the first booster pump in the outlet end of SP mixed liquor main pipe line, is fixedly connected on SP mixed liquor main pipe line
There is at least one SP mixed liquor by-pass line, be serially connected with the first booster pump in the outlet end of each SP mixed liquor by-pass line,
It is fixedly installed with injection pipeline in the outlet end of each the first booster pump, is serially connected with mixing on each injection pipeline
Device is fixedly installed with AS mixed liquor main pipe line in the liquid outlet of AS storage tank, and AS mixed liquor main pipe line and each mixer are distinguished
It is connected to by the first by-pass line, the is serially connected on the AS mixed liquor main pipe line between the liquid outlet and the first by-pass line of AS storage tank
Two booster pumps are fixedly installed with the S mixed liquor main pipe line communicated with SP mixed liquor main pipe line, S mixing on the liquid outlet of S storage tank
Liquid main pipe line passes through the second by-pass line with each SP mixed liquor by-pass line respectively and is connected to, in the liquid outlet of S storage tank and second
Be serially connected with the first elevator pump on S mixed liquor main pipe line between pipeline, SP storage tank liquid outlet and SP mixed liquor by-pass line it
Between SP mixed liquor main pipe line on be serially connected with the second elevator pump, be fixedly installed with first flow on the first by-pass line of each
Adjuster, on the S mixed liquor main pipe line between the second by-pass line of each and the second by-pass line and SP mixed liquor main pipe line
It is fixedly installed with second flow adjuster, pressure sensor is fixedly installed at the liquid outlet of the second booster pump, pressure passes
The signal output end of sensor is electrically connected with the first signal input part of PLC controller；PLC controller is adjusted with first flow respectively
Device, second flow adjuster, the first booster pump and the electrical connection of the second booster pump.
2. single pump individual well two-stage concentration according to claim 1 deploys weak base ternary injection device, it is characterised in that PLC control
First signal output end of device processed is electrically connected with the signal input part of the frequency converter of the second booster pump；First flow adjuster includes
First motor-driven valve and first flowmeter, the signal output end of first flowmeter and the second signal input terminal of PLC controller are electrically connected
It connects, the second signal output end of PLC controller is electrically connected with the signal input part of the first motor-driven valve；Second flow adjuster includes
Second motor-driven valve and second flowmeter, the signal output end of second flowmeter and the third signal input part of PLC controller are electrically connected
It connects, the third signal output end of PLC controller is electrically connected with the signal input part of the second motor-driven valve.
3. single pump individual well two-stage concentration according to claim 1 or 2 deploys weak base ternary injection device, it is characterised in that mixed
Clutch is static mixer；Or/and first booster pump and the second booster pump be plunger pump；Or/and in SP mixed liquor general pipeline
Filter is fixedly installed on line；Or/and blender is fixedly installed in AS storage tank, S storage tank, SP storage tank；Or/and
Removing scale by strong magnetic field instrument is fixedly installed on AS mixed liquor main pipe line.
4. single pump individual well two-stage concentration according to claim 1 or 2 deploys weak base ternary injection device, it is characterised in that also
Including water tank, alkali dispersion tank, alkali feeder, polymer feeder, surfactant mother liquor holding tank and polymer dispersion tank, water tank
It is connected to the water inlet of alkali dispersion tank by pipeline, is serially connected with confession on the pipeline between water tank and the water inlet of alkali dispersion tank
Water pump, the discharge end of alkali feeder are fixed on the upper end of alkali dispersion tank, the alkali liquor of the outlet end of alkali dispersion tank and AS storage tank into
Mouth is connected to by the first pipeline, and alkali liquor elevator pump is serially connected on the first pipeline；The outlet of water tank intakes with first respectively
Mouth, the second water inlet are connected to third water inlet by pipeline；The water inlet of water tank and polymer dispersion tank is connected by pipeline
It is logical, water supply pump, the discharging of polymer feeder are serially connected on the pipeline between water tank and the water inlet of polymer dispersion tank
End is fixed on the upper end of polymer dispersion tank, passes through the in the discharge end of polymer dispersion tank and the polymer mother liquor import of SP storage tank
The connection of two pipelines, is serially connected with polymer mother liquor elevator pump on the second pipeline；The outlet end of surfactant mother liquor holding tank and S storage tank
Second surface activating agent mother liquor import is connected to by third pipeline；Surfactant mother liquor elevator pump is serially connected on third pipeline,
Valve is fixedly installed on first pipeline, the second pipeline and third pipeline.
5. single pump individual well two-stage concentration according to claim 3 deploys weak base ternary injection device, it is characterised in that also wrap
Include water tank, alkali dispersion tank, alkali feeder, polymer feeder, surfactant mother liquor holding tank and polymer dispersion tank, water tank with
The water inlet of alkali dispersion tank is connected to by pipeline, is serially connected with water supply on the pipeline between water tank and the water inlet of alkali dispersion tank
Pump, the discharge end of alkali feeder are fixed on the upper end of alkali dispersion tank, the alkali liquor import of the outlet end and AS storage tank of alkali dispersion tank
It is connected to by the first pipeline, alkali liquor elevator pump is serially connected on the first pipeline；The outlet of water tank respectively with the first water inlet,
Second water inlet is connected to third water inlet by pipeline；Water tank is connected to the water inlet of polymer dispersion tank by pipeline,
Water supply pump is serially connected on pipeline between water tank and the water inlet of polymer dispersion tank, the discharge end of polymer feeder is solid
It is scheduled on the upper end of polymer dispersion tank, passes through the second pipe in the discharge end of polymer dispersion tank and the polymer mother liquor import of SP storage tank
Line connection, is serially connected with polymer mother liquor elevator pump on the second pipeline；The outlet end of surfactant mother liquor holding tank and the second of S storage tank
The import of surfactant mother liquor is connected to by third pipeline；Surfactant mother liquor elevator pump is serially connected on third pipeline, first
Valve is fixedly installed on pipeline, the second pipeline and third pipeline.
6. the pump individual well two-stage concentration of list described in one kind according to claim 1 or 2 or 3 or 4 or 5 deploys weak base ternary injection device
Application method, it is characterised in that as follows carry out: alkali liquor, surfactant mother liquor pass through respectively corresponding respectively with water
Alkali liquor import, first surface activating agent mother liquor import and the first water inlet enter in AS storage tank that obtain AS after mixing mixed
Liquid is closed, the surfactant concentration in AS mixed liquor is the implantation concentration of surfactant, and surfactant mother liquor and water are distinguished
Enter in S storage tank that obtain S after mixing molten by corresponding second surface activating agent mother liquor import and the second water inlet
Liquid, the surfactant concentration in S solution is identical as the surfactant concentration in AS mixed liquor, and polymer mother liquor, surface are living
Property agent mother liquor and water respectively pass through corresponding polymer mother liquor import, third surfactant mother liquor import and third intake
Mouth enters in SP storage tank obtains SP mixed liquor after mixing, in the surfactant concentration in SP mixed liquor and AS mixed liquor
Surfactant concentration is identical, and an injection pipeline corresponds to a bite injection well, and AS mixed liquor obtains after being boosted by the second booster pump
To high pressure AS mixed liquor, the SP mixed liquor in SP storage tank obtains high pressure SP mixed liquor, high pressure SP after boosting by the first booster pump
Mixed liquor and high pressure AS mixed liquor are mixed to form ternary mixed liquor in mixer, and ternary mixed liquor passes through injection pipeline injection well
It is interior；
When the polymer concentration in the ternary mixed liquor in the injection pipeline for needing to reduce one or more, PLC controller is given
Second flow adjuster corresponding with injection pipeline adjusts the signal of flow, and passes through the first elevator pump for the S solution in S storage tank
For pump to converging at pipeline with SP mixed liquor, the addition of S solution can be such that the polymer concentration in ternary mixed liquor reduces；
When the concentration of the alkali in the ternary mixed liquor in the injection pipeline for needing to reduce one or more, pass through PLC controller control
System first flow adjuster corresponding with injection pipeline, adjusts the flow for entering the high pressure AS mixed liquor of mixer, meanwhile, PLC
Controller gives the signal that the first booster pump increases flow, and the pump output of the first booster pump increases, the high pressure SP mixing after adjusting
Liquid mixes in mixer with high pressure AS mixed liquor, and the alkali concentration in ternary mixed liquor can be made to reduce.
7. the application method of single pump individual well two-stage concentration allotment weak base ternary injection device according to claim 6, special
Sign is that data on flows is sent to PLC controller by first flowmeter, and PLC controller requires and the according to injection well yield injection
The data on flows of flow meters feedback controls the aperture of the first motor-driven valve.
8. the application method of single pump individual well two-stage concentration allotment weak base ternary injection device according to claim 6 or 7,
It is characterized in that pressure sensor measures the pressure of the second booster pump liquid outlet, pressure data is sent to PLC and controlled by pressure sensor
Device processed, PLC controller give the signal of the frequency converter frequency conversion of the second booster pump according to the pressure data received, change second and increase
The pump output of press pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459389.XA CN107143318B (en) | 2017-06-16 | 2017-06-16 | Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459389.XA CN107143318B (en) | 2017-06-16 | 2017-06-16 | Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107143318A CN107143318A (en) | 2017-09-08 |
| CN107143318B true CN107143318B (en) | 2019-04-26 |
Family
ID=59781516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459389.XA Active CN107143318B (en) | 2017-06-16 | 2017-06-16 | Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143318B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772202A (en) * | 2018-09-17 | 2019-05-21 | 中国石油天然气股份有限公司 | The adding apparatus and method of surfactant oil displacement |
| CN109739153B (en) * | 2019-02-18 | 2020-05-22 | 中国石油天然气股份有限公司 | Method, device and system for controlling viscosity loss of profile control skid-mounted injection allocation station |
| CN111322044A (en) * | 2019-12-10 | 2020-06-23 | 大庆油田有限责任公司 | Multi-pump multi-well three-agent separate injection process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204574A (en) * | 1977-09-22 | 1980-05-27 | Conoco, Inc. | Low shear polymer injection method with ratio control between wells |
| CN1280240A (en) * | 2000-07-14 | 2001-01-17 | 大庆油田有限责任公司油田建设设计研究院 | Tertiary oil-exploiting polymer and ternary composition distributing and injecting system for displacement of reservoir oil |
| CN2811560Y (en) * | 2005-07-29 | 2006-08-30 | 大庆油田有限责任公司 | Combined polymer preparation injection device |
| CN201021621Y (en) * | 2007-01-26 | 2008-02-13 | 万奥普（北京）石油工程技术开发研究院有限公司 | An injection device for single well integrated three-dimension chemical driven oil |
| CN203208924U (en) * | 2013-01-17 | 2013-09-25 | 孙树春 | High-pressure water distribution mother liquor metering and mixing device |
| CN204663505U (en) * | 2015-06-05 | 2015-09-23 | 大庆迈普科技有限公司 | Multi-functional profile control injection station |
| CN205135586U (en) * | 2015-11-23 | 2016-04-06 | 新疆石油工程设计有限公司 | A polymer injection allocation device for strong heterogeneous body oil reservoir |
-
2017
- 2017-06-16 CN CN201710459389.XA patent/CN107143318B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204574A (en) * | 1977-09-22 | 1980-05-27 | Conoco, Inc. | Low shear polymer injection method with ratio control between wells |
| CN1280240A (en) * | 2000-07-14 | 2001-01-17 | 大庆油田有限责任公司油田建设设计研究院 | Tertiary oil-exploiting polymer and ternary composition distributing and injecting system for displacement of reservoir oil |
| CN2811560Y (en) * | 2005-07-29 | 2006-08-30 | 大庆油田有限责任公司 | Combined polymer preparation injection device |
| CN201021621Y (en) * | 2007-01-26 | 2008-02-13 | 万奥普（北京）石油工程技术开发研究院有限公司 | An injection device for single well integrated three-dimension chemical driven oil |
| CN203208924U (en) * | 2013-01-17 | 2013-09-25 | 孙树春 | High-pressure water distribution mother liquor metering and mixing device |
| CN204663505U (en) * | 2015-06-05 | 2015-09-23 | 大庆迈普科技有限公司 | Multi-functional profile control injection station |
| CN205135586U (en) * | 2015-11-23 | 2016-04-06 | 新疆石油工程设计有限公司 | A polymer injection allocation device for strong heterogeneous body oil reservoir |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107143318A (en) | 2017-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107143318B (en) | Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method | |
| CN205135586U (en) | A polymer injection allocation device for strong heterogeneous body oil reservoir | |
| CN102423655B (en) | Large-flow fracturing fluid preparation system and method | |
| CN205135587U (en) | Composite regulation of many wells of polymer partial pressure integration sled dress device | |
| CN104969708A (en) | Variable irrigating fertilizing device, and control method thereof | |
| CN200975247Y (en) | Removable combined polymer inpouring oil-displacing apparatus | |
| CN101519957A (en) | Proportion regulating and injecting system | |
| CN206903648U (en) | The regulation device of oil field Weak Base ASP Flood injection allocation | |
| CN109306858A (en) | A kind of online concentration unit of injection well and method | |
| CN214887008U (en) | Skid-mounted single-pump single-well polymer injection allocation device | |
| CN207315336U (en) | A kind of continuous liquid supply system of batch production pressing crack construction | |
| CN203208924U (en) | High-pressure water distribution mother liquor metering and mixing device | |
| CN209838387U (en) | Pulse type sand adding fracturing control device | |
| CN202937239U (en) | Integrated device for jell dispersoid continuous online production and injection | |
| CN201021621Y (en) | An injection device for single well integrated three-dimension chemical driven oil | |
| CN2773311Y (en) | Multiple proportional injection apparatus in oil field with chemical oil driven | |
| CN203403861U (en) | Oil field three-time oil production single-well injection proportion blending device | |
| CN1308569C (en) | Method of proceeding modulation design of oil field chemical oil driving equipment | |
| CN113597867A (en) | Accurate liquid manure integrative system | |
| CN209123905U (en) | Emulsion method pastes the closed continuous producing apparatus of resin device | |
| CN201437720U (en) | Proportional-control injecting system | |
| CN2841955Y (en) | Oil field combined driving integrated injection apparatus | |
| CN204492782U (en) | Polymer mother liquor online low pressure mixture injection device | |
| CN105672962A (en) | Air foam flow distribution device and method | |
| CN206634241U (en) | Medicinal liquor automatic governing filling production lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 302, block C, 115 Youyi Road, Karamay District, Xinjiang Uygur Autonomous Region 834000 Patentee after: CNPC (XINJIANG) PETROLEUM ENGINEERING Co.,Ltd. Address before: Room 302, block C, 115 Youyi Road, Karamay, Xinjiang Uygur Autonomous Region 834000 Patentee before: XINJIANG PETROLEUM ENGINEERING DESIGN Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210322 Address after: 100120 No.6 liupukang street, Xicheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC (XINJIANG) PETROLEUM ENGINEERING Co.,Ltd. Address before: Room 302, block C, 115 Youyi Road, Karamay District, Xinjiang Uygur Autonomous Region 834000 Patentee before: CNPC (XINJIANG) PETROLEUM ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |