CN105756638A - System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field - Google Patents
System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field Download PDFInfo
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- CN105756638A CN105756638A CN201610231359.9A CN201610231359A CN105756638A CN 105756638 A CN105756638 A CN 105756638A CN 201610231359 A CN201610231359 A CN 201610231359A CN 105756638 A CN105756638 A CN 105756638A
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- powdery polymer
- operated valve
- electrically operated
- cold
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- 229920000642 polymer Polymers 0.000 title claims abstract description 66
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 238000007865 diluting Methods 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000006185 dispersion Substances 0.000 claims abstract description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 25
- 239000010413 mother solution Substances 0.000 claims description 49
- 239000012895 dilution Substances 0.000 claims description 47
- 238000010790 dilution Methods 0.000 claims description 47
- 239000012530 fluid Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 17
- 239000007924 injection Substances 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 230000000593 degrading effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 19
- 238000011084 recovery Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005276 aerator Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
-
- 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
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
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- 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)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to the technical field of polymer injection of an oil field. In order to solve the problem that currently, rapid dispersion and injection of powder polymer in water and the system operation are influenced a lot by the outside environment, the invention discloses a system for rapidly dispersing and diluting the powder polymer in an offshore or alpine or fault-block oil field, which comprises a water supply tank, a dry powder tank and a buffer tank. The water supply tank, the dry powder tank and the buffer tank are all connected with a nitrogen source; the dry powder tank is sequentially connected with a feeder, a buffer container, a negative pressure jet device and the buffer tank; the water supply tank is sequentially connected with a water supply pump and the negative pressure jet device; the water supply tank is also connected with a diluting water pump; the buffer tank is further connected with a mother liquid conveying pump; an outlet of the mother liquid conveying pump is connected with an outlet of the diluting water pump. The system disclosed by the invention is compact in structure and convenient to move; the integral system is in the protection of nitrogen, so that the influence of the outside environment can be avoided and oxygen in the air is prevented from degrading the viscosity of target liquid to influence oil productivity.
Description
Technical field
The invention belongs to the technical field of oilfield injection, be specifically related to a kind of sea or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system.
Background technology
Primary oil recovery refers to the method relying on oil reservoir natural energy to carry out oilfield exploitation, secondary oil recovery refers to the recovery method by water filling, gas injection, it it is a kind of method of maintenance and supplementary oil reservoir energy, oil field is after secondary oil recovery, the crude oil still having 60%-70% remains in underground and is difficult to extraction, in order to exploit residual remaining oil in the earth formation cost-effectively, improve oil recovery factor, it is necessary to tertiary oil recovery technology.Polymer displacement of reservoir oil is the one of tertiary oil recovery technology, refer to and water soluble polymer (such as powdery polymer) is distributed in injection water, to improve the viscosity injecting water, improve water oil velocity ratio, improve sweep efficiency and microscopic oil displacement efficiency, thus improving the flooding method of oil recovery factor.
nullAs shown in Figure 1，It is currently used for that powdery polymer is distributed to the system injected in water and includes dry powder can 1、Screw(-type) feeder 2、Ejector 3、Aerator 4、Water powdery mixer 5、Dissolving tank 6、Delivery pump 7 and ager 8，Wherein，Dry powder can 1、Screw(-type) feeder 2、Ejector 3、Water powdery mixer 5、Dissolving tank 6、Delivery pump 7 and ager 8 are sequentially connected with，Powdery polymer in dry powder can 1 is quantitatively transported to ejector 3 by screw(-type) feeder 2，Powdery polymer in ejector 3 is blowed to Water powdery mixer 5 by aerator 4，Powdery polymer is fully contacted moistening in Water powdery mixer 5 with water，The mixture of powdery polymer and water enters in dissolving tank 6 by preliminary mix and blend afterwards，Then the mixture of powdery polymer and water is delivered to ager 8 through delivery pump 9，Ager 8 is stirred continuously，Powdery polymer is made to be dispersed in water，Finally make powdery polymer be dissolved completely in water and form mother solution，Just can inject in well after this mother solution being diluted to purpose liquid according to nominal concentrations.
But it is currently used for that powdery polymer is distributed to the system injected in water and is affected by the external environment bigger, such as extraneous air can be blown into this system by aerator 4, and the moisture in outside air can cause polymer moisture absorption unity, causing feeding to affect, additionally the entrance of oxygen can be degraded the viscosity of purpose liquid and then affect oil recovery factor.
Summary of the invention
It is affected by the external environment bigger problem to solve to be currently used for be distributed to by powdery polymer the system injected in water, the present invention proposes a kind of sea or high and cold or the 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 water supply tank, dry powder can and surge tank, and this water supply tank, dry powder can and surge tank are all connected with source nitrogen；Described dry powder can is connected with feeder, buffer container, negative pressure ejector and described surge tank in turn；Described water supply tank is connected with feed pump and described negative pressure ejector in turn, and this water supply tank is also associated with dilution water pump；The outlet of described surge tank is connected to mother solution delivery pump, and this mother solution conveying delivery side of pump is 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, dilution system structure is 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, and described automatic control module includes PLC and host computer, and described PLC is connected with described host computer；Pipeline between described feed pump and described negative pressure ejector is provided with electromagnetic flowmeter, pressure transmitter and electrically operated valve, and this electromagnetic flowmeter, pressure transmitter and electrically operated valve are all connected with described PLC.
Wherein, it is provided with electrically operated valve between described water supply tank and described source nitrogen, this electrically operated valve is connected with described PLC, it is provided with electrically operated valve between described dry powder can and described source nitrogen, this electrically operated valve is connected with described PLC, being provided with electrically operated valve between described surge tank and described source nitrogen, this electrically operated valve is connected with described PLC.
Wherein, the output pipe of described dilution water pump is provided with electrically operated valve, electromagnetic flowmeter and pressure transmitter, and 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 transmitter, and this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all connected with described PLC.
Wherein, being 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；Being provided with fluid level transmitter and pressure transmitter in described surge tank, this fluid level transmitter and pressure transmitter are all connected with described PLC.
Wherein, the output pipe of pipeline between described surge tank, described surge tank and described mother solution delivery pump and described mother solution delivery pump all adopts 316L rustless steel to make.
The present invention is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system have following beneficial effect:
The present invention is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system are first full of nitrogen in use, makes the internal system of the present invention be in the nitrogen environment of pressure-fired；The system of the present invention adopts the mode that negative-pressure air-flow (stream of nitrogen gas) aspirates to be joined by powdery polymer in negative pressure ejector; whole process is all carry out in the environment closed; so extraneous air would not enter the system of the present invention; the whole system of the present invention is all in the protection of nitrogen; to avoid external environment that the system of the present invention is produced impact; prevent the viscosity of the oxygen degradation purpose liquid in air from affecting tar productivity, thus protecting stablizing of purpose liquid chemical property.Owing to nitrogen belongs to dry stable noble gas, the nitrogen in dry powder can is caking it can be avoided that powdery polymer makes moist, and is conducive to the accuracy that follow-up powdery polymer configures.
The present invention is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system are automatically controlled by PLC, simple to operate, manpower and time are saved, reduce cost of labor, equipment is made to run more stable safer, improve the accuracy of powdery polymer preparation, the mother solution of configuration can reach the requirement of onsite application, and can require to adjust the concentration of purpose liquid according to difference.
Marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system the structure of the present invention is skid-mounted type, so take up an area space little, system weight is less, conveniently moving, solves the use problem in different oil field, improves the utilization rate of equipment, it is adapted on marine, high and cold or fault-block oilfield production platform and uses, when being especially applicable to the huge high offshore oil production platform of construction cost, it is possible to be substantially reduced the construction cost of offshore production platform, reduce the input cost of oilfield injection equipment.
Accompanying drawing explanation
Fig. 1 is that prior art for being distributed to the structural representation of the system injected in water by powdery polymer；
Fig. 2 is that the present invention is marine or high and cold or the structural representation of the powdery polymer rapid dispersion of fault-block oilfield, dilution system；
Fig. 3 is that the present invention is marine or high and cold or the structural representation of automatic control module of the powdery polymer rapid dispersion of fault-block oilfield, dilution system.
Detailed description of the invention
Technical scheme is introduced below in conjunction with accompanying drawing.
As shown in Figure 2, the present invention 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, water supply tank 12 is used for storing injection water, dry powder can 11 is used for storing powdery polymer, surge tank 10 injects water and the mixed mother solution of powdery polymer for temporary, water supply tank 12, dry powder can 11 and surge tank 10 are all connected by pipeline with source nitrogen 27, and the pipeline between water supply tank 12 and source nitrogen 27 is provided with electrically operated valve 21, pipeline between dry powder can 11 and source nitrogen 27 is provided with electrically operated valve 21, pipeline between surge tank 10 and source nitrogen 27 is provided with electrically operated valve 21.
As shown in Figure 3, the present invention is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system also include automatic control module, this automatic control module includes PLC (ProgrammableLogicController, programmable logic controller (PLC)) controller 24 and host computer 25, PLC 24 is connected with host computer 25, electrically operated valve 21 is connected with PLC 24, so just can electrically operated valve 21 be controlled by host computer 25 and PLC 24.
As shown in Figure 2, dry powder can 11 is connected with feeder 16, buffer container 15, negative pressure ejector 14 and surge tank 10 in turn, feeder 16 can be scroll feeder, powdery polymer can be measured by this feeder 16 1 aspect, the amount controlled and inject the powdery polymer that water mixes, can be delivered to powdery polymer in buffer container 15 on the other hand.Buffer container 15 is for storing powdery polymer temporarily, this buffer container 15 can be funnel, it is preferable that this buffer container 15 is visual funnel, the top of this visual funnel is transparent, and 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 the pipeline between feed pump 13 and negative pressure ejector 14 is provided with electromagnetic flowmeter 19, pressure transmitter 20 and electrically operated valve 21, this electromagnetic flowmeter 19, pressure transmitter 20 and electrically operated valve 21 are all connected with PLC 24；Water supply tank 12 is also associated with dilution water pump 18, and the injection water in water supply tank 12 can flow in dilution water pump 18.The outlet of surge tank 10 is connected to mother solution delivery pump 17, the outlet of this mother solution delivery pump 17 is connected by pipeline with the outlet of dilution water pump 18, the mother solution that so the injection water of dilution water pump 18 output exports with mother solution delivery pump 17 mixes, and according to nominal concentrations, mother solution is diluted to purpose liquid.As it is shown on figure 3, feed pump 13, dilution water pump 18 and mother solution delivery pump 17 are connected with PLC 24 each through converter 26, PLC 24 is so used just can feed pump 13, dilution water pump 18 and mother solution delivery pump 17 to be controlled.Water supply tank 12 is provided with temperature transmitter 23 and fluid level transmitter 22；Being provided with fluid level transmitter 22 and pressure transmitter 20 in surge tank 10, this temperature transmitter 23, fluid level transmitter 22 and pressure transmitter 20 are all connected with PLC 24.
As Figure 2-3, it is described below that the present invention is marine or high and cold or the work process of the powdery polymer rapid dispersion of fault-block oilfield, dilution system: the first step, opening the valve of source nitrogen 27, nitrogen just enters in the system of the present invention, so that the system of the present invention is full of nitrogen；Electrically operated valve 21 is controlled by PLC 24; to regulate the nitrogen of the system entering the present invention; the system making the present invention is in the environment of pressure-fired; namely the air pressure of the internal system of the present invention is a bit larger tham atmospheric pressure; so extraneous air would not enter the system of the present invention; the system of the present invention is in the protection of nitrogen, to prevent the viscosity of the oxygen degradation purpose liquid in air and to affect tar productivity.
Second step, start feed pump 13, injection current direction negative pressure ejector 14 in water supply tank 12, electromagnetic flowmeter 19 between feed pump 13 and negative pressure ejector 14 is for injecting flow and the flow velocity of water in signal piping, pressure transmitter 20 is for the pressure in signal piping, when the flow velocity and pressure that inject water in pipeline reach setting value, the electrically operated valve 21 between feed pump 13 and negative pressure ejector 14 is opened by PLC, injection aquiform stool at a high speed enters in negative pressure ejector 14, flow in surge tank 10 again through negative pressure ejector 14, when injection water at a high speed flows through negative pressure ejector 14, negative-pressure air-flow is formed in negative pressure ejector 14, this negative-pressure air-flow circulates between negative pressure ejector 14 and buffer container 15, this negative-pressure air-flow is stream of nitrogen gas.
3rd step, start feeder 16, powdery polymer in dry powder can 11 is uniformly added in buffer container 15 by ormal weight by this feeder 16, stream of nitrogen gas from buffer container 15 flow to negative pressure ejector 14 time, can the powdery polymer in buffer container 15 be taken in negative pressure ejector 14, powdery polymer mixes with injection water water stream contacts at a high speed in negative pressure ejector 14, and powdery polymer is scattered in injection water.The system of the present invention adopts the mode of negative-pressure air-flow suction to be joined by powdery polymer in negative pressure ejector 14; the whole process in negative pressure ejector 14 that joined by powdery polymer is all carry out in the environment closed; avoid the external environment impact on the system of the present invention, make the system of the present invention be in nitrogen protection.The structure of the ejector mixing dispersal device disclosed in the patent that negative pressure ejector 14 can adopt application number to be 201510058219.1, this structure is that surrounding is entered to inject water, the form of powdery polymer is entered in centre, so inject the mixing of water and powdery polymer evenly, it can be avoided that there is agglomerate, flake and bubble, and the mother liquid concentration prepared is higher, and mother liquid concentration can reach 15000PPM (partspermillion, million/), improve the efficiency of configuration mother solution.
4th step, inject after water mixes with powdery polymer in negative pressure ejector 14 and form mother solution, this mother solution flows in surge tank 10, fluid level transmitter 22 in surge tank 10 is used for detecting mother solution liquid level, when mother solution arrives and sets liquid level, being started mother solution delivery pump 17 and dilution water pump 18 by PLC 24, mother solution is exported by mother solution delivery pump 17 from surge tank 10, the mother solution of mother solution delivery pump 17 output mixes with the injection water of dilution water pump 18 output, and according to nominal concentrations, mother solution is diluted to purpose liquid.
Wherein, just start mother solution delivery pump 17 when the mother solution in surge tank 10 arrives and sets liquid level, it is to protect mother solution delivery pump 17, it is prevented that mother solution delivery pump 17 is 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 for detecting the pressure of surge tank 10.
Preferably, pipeline and the output pipe of mother solution delivery pump 17 between surge tank 10, surge tank 10 and mother solution delivery pump 17 all adopt 316L rustless steel to make, and this 316L rustless steel corrosion resistance is extremely strong, extends the service life of the system of the present invention.
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 are all connected with PLC 24, electromagnetic flowmeter 19 is for detecting flow and the flow velocity of mother solution in the output pipe of mother solution delivery pump 17, pressure transmitter 20 is for detecting the pressure of mother solution delivery pump 17 output pipe, PLC 24 controls electrically operated valve 21 and mother solution delivery pump 17 according to the testing result of electromagnetic flowmeter 19 and pressure transmitter 20, 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 electrically operated valve 21, electromagnetic flowmeter 19 and pressure transmitter 20, this electrically operated valve 21, electromagnetic flowmeter 19 and pressure transmitter 20 are all connected with PLC 24, similarly, PLC 24 can regulate the amount injecting water of dilution water pump 18 output, the mother solution that the injection water of dilution water pump 18 output exports with mother solution delivery pump 17 mixes, and mother solution is diluted to the purpose liquid of amount concentration the most at last.
Preferably, the present invention is marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, the structure of dilution system is skid-mounted type, skid-mounted refers to the dispersion of the present invention, the each several part assembly of dilution system is integrated on a unsplit bedplate, can integral installation, a kind of integration mode of movement, so take up an area space little, system weight is little, conveniently moving, solve the use problem in different oil field, improve the utilization rate of equipment, it is adapted at sea, high and cold or fault-block oilfield production platform uses, when being especially applicable to the huge high offshore oil production platform of construction cost, the construction cost of offshore production platform can be substantially reduced, reduce the input cost of oilfield injection equipment.
Claims (10)
1. a sea or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterised in that including water supply tank, 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 can is connected with feeder, buffer container, negative pressure ejector and described surge tank in turn；Described water supply tank is connected with feed pump and described negative pressure ejector in turn, and this water supply tank is also associated with dilution water pump；The outlet of described surge tank is connected to mother solution delivery pump, and this mother solution conveying delivery side of pump is connected with described dilution water delivery side of pump.
2. sea according to claim 1 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterised in that this marine or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system structure is skid-mounted type.
3. sea according to claim 1 and 2 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterised in that described buffer container is funnel.
4. sea according to claim 3 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterised in that described funnel is visual funnel.
5. sea according to claim 1 and 2 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, 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, and described PLC is connected with described host computer；Pipeline between described feed pump and described negative pressure ejector is provided with electromagnetic flowmeter, pressure transmitter and electrically operated valve, and this electromagnetic flowmeter, pressure transmitter and electrically operated valve are all connected with described PLC.
6. sea according to claim 5 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, it is provided with electrically operated valve between described water supply tank and described source nitrogen, this electrically operated valve is connected with described PLC, it is provided with electrically operated valve between described dry powder can and described source nitrogen, this electrically operated valve is connected with described PLC, is provided with electrically operated valve between described surge tank and described source nitrogen, and this electrically operated valve is connected with described PLC.
7. sea according to claim 5 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, the output pipe of described dilution water pump is provided with electrically operated valve, electromagnetic flowmeter and pressure transmitter, and this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all connected with described PLC.
8. sea according to claim 6 or 7 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, the output pipe of described mother solution delivery pump is provided with electrically operated valve, electromagnetic flowmeter and pressure transmitter, and this electrically operated valve, electromagnetic flowmeter and pressure transmitter are all connected with described PLC.
9. sea according to claim 6 or 7 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, being 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；Being provided with fluid level transmitter and pressure transmitter in described surge tank, this fluid level transmitter and pressure transmitter are all connected with described PLC.
10. sea according to claim 1 and 2 or high and cold or the powdery polymer rapid dispersion of fault-block oilfield, dilution system, it is characterized in that, pipeline and the output pipe of described mother solution delivery pump between described surge tank, described surge tank and described mother solution delivery pump all adopt 316L rustless steel to make.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231359.9A CN105756638A (en) | 2016-04-14 | 2016-04-14 | System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field |
| PCT/CN2016/079949 WO2017177475A1 (en) | 2016-04-14 | 2016-04-22 | Quick powder polymer dispersion and dilution system for offshore or alpine or fault-block oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231359.9A CN105756638A (en) | 2016-04-14 | 2016-04-14 | System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field |
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| Publication Number | Publication Date |
|---|---|
| CN105756638A true CN105756638A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610231359.9A Pending CN105756638A (en) | 2016-04-14 | 2016-04-14 | System for rapidly dispersing and diluting powder polymer in offshore or alpine or fault-block oil field |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105756638A (en) |
| WO (1) | WO2017177475A1 (en) |
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| CN107060706A (en) * | 2017-04-28 | 2017-08-18 | 中国海洋石油总公司 | A kind of new on-line continuous prepares profile control transfer drive device |
| CN110984932A (en) * | 2019-11-20 | 2020-04-10 | 中国海洋石油集团有限公司 | Profile control agent injection device |
| CN115209979A (en) * | 2020-03-04 | 2022-10-18 | Zl Eor化工有限公司 | Polymer dispersion system |
| US11850560B2 (en) | 2020-03-04 | 2023-12-26 | Zl Eor Chemicals Ltd. | Polymer dispersion system for use in a hydraulic fracturing operation |
| CN115209979B (en) * | 2020-03-04 | 2024-05-03 | Zleor化工有限公司 | Polymer dispersion system |
| CN112250886A (en) * | 2020-10-21 | 2021-01-22 | 大庆德美特尔能源科技有限公司 | Preparation method of chemical flooding high-concentration polymer solution |
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