CN108709837A - Measure the method for simulating the stream grain density of the tune under true reservoir condition - Google Patents
Measure the method for simulating the stream grain density of the tune under true reservoir condition Download PDFInfo
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- CN108709837A CN108709837A CN201810296744.0A CN201810296744A CN108709837A CN 108709837 A CN108709837 A CN 108709837A CN 201810296744 A CN201810296744 A CN 201810296744A CN 108709837 A CN108709837 A CN 108709837A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 239000002245 particle Substances 0.000 claims abstract description 62
- 238000004088 simulation Methods 0.000 claims abstract description 60
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000000691 measurement method Methods 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of methods for measuring and simulating the stream grain density of the tune under true reservoir condition, include the following steps：Step 1：Determine the mass M 1 of the simulation container；Step 2：It is passed through reservoir modeling liquid into measuring system, until occurring without bubble, measures the gross mass M2 of analogue unit；Step 3：Calculating simulation container fills the mass M 3 after reservoir modeling liquid；Step 4：Processing is dried to tune to be measured stream particle, and it is M4 to measure the quality after being dried；Step 5：Tune stream particle after drying process is added in simulation container, and container temperature-pressure will be simulated to preset temperature value and preset pressure value, then measures the gross mass M5 of the analogue unit under the state；Step 6：According to the quality of M1, M2, M3, M4 and the M5 measured, the density value for adjusting stream particle in the case where simulating true reservoir condition is calculated.The measurement method can measure under a kind of simulation high temperature and pressure oil reservoir full-scale condition, can test the density of particle under reservoir conditions.
Description
Technical field
The present invention relates to oil-gas mining technical field more particularly to a kind of tune streams measured under the true reservoir condition of simulation
The method of granule density.
Background technology
Tahe fracture-pore reservoir preserves medium and is made of solution cavity, crack and dissolution pore, and distribution is discontinuous, and injection water is in the earth formation
Often flowed along a direction, and other directions are involved less than causing waterflooding effect bad, recovery ratio only has 17% at present.Stream
Road adjustment technology is that a certain amount of particle is placed on water breakthrough main channel, realizes to the effect of predominant pathway contracting seam, can start ground
The channel that do not employed in layer, improves waterflooding effect, and the substance of injection flows particle tune.
Stream particle is adjusted to have the following problems：
(1) it adjusts stream particle is internal in process many holes occur, causes grain density and reservoir fluid density contrast
It is not big, cause particle migration to cause to accumulate near wellbore, cannot be satisfied construction needs apart from short；
(2) domestic at present not to the instrument of high temperature and pressure test grain density, it is unable to ensure particle under reservoir conditions
Density and water flooding density contrast be less than ± 0.03g/cm3。
Invention content
Have in view of that, the present invention provides one kind and can be measured in the case where simulating high temperature and pressure oil reservoir full-scale condition, can be with
The method that the tune stream grain density under true reservoir condition is simulated in the measurement of the density of particle under reservoir conditions is tested, to solve
Problems of the prior art.
A kind of method for measuring and simulating the stream grain density of the tune under true reservoir condition, the measurement side are provided according to the present invention
Method adjusts the measuring system of density of the stream particle in the case where simulating true reservoir condition to complete using a kind of measure, which includes
For containing reservoir modeling liquid and adjusting the simulation container of stream particle, inlet tube is connected on the feed liquor port of the simulation container
Line is connected with outlet tube line on outlet end mouth, and the feed liquor pipeline is equipped with the first valve, and outlet end mouth is equipped with the second valve
Door, first valve and the second valve are respectively used to the feed liquor of control simulation container and go out liquid, the simulation container, inlet tube
Line, outlet tube line, liquid flowing valve and liquid valve door form analogue unit, which includes the following steps：
Step 1：Determine the mass M 1 of the simulation container；
Step 2：It is passed through reservoir modeling liquid into the measuring system, until occurring without bubble, measures the simulation
The gross mass M2 of unit；
Step 3：It calculates the simulation container and fills the mass M 3 after reservoir modeling liquid；
Step 4：Processing is dried to tune to be measured stream particle, and it is M4 to measure the quality after being dried；
Step 5：The tune stream particle after drying process is added in the simulation container, and will simulation container heating
It is forced into preset temperature value and preset pressure value, then measures the gross mass M5 of the analogue unit under the state；
Step 6：According to the quality of M1, M2, M3, M4 and the M5 measured, calculates and stream particle is adjusted to simulate true reservoir condition
Under density value.
Preferably, the step 2 includes：Reservoir modeling liquid is pumped into the analogue unit by liquid pump.
Preferably, piston container is set between the analogue unit and the liquid pump, and the liquid pump holds with the piston
The inlet of device connects, and the liquid outlet of the piston container is connect with the analogue unit, and the liquid pump is by reservoir modeling liquid
It is pumped into the analogue unit through the piston container.
Preferably, described that tune to be measured stream particle is dried by processing includes：
Tune stream particle is dried to default mass dryness fraction under constant temperature value.
Preferably, the value range of the constant temperature value is 45-55 DEG C.
Preferably, the step 5 includes：
The tune stream particle after drying process is added in the simulation container；
The simulation container is heated to preset temperature value；
Start liquid pump, reservoir modeling liquid is pumped into analogue unit to preset pressure value, which is reservoir pressure；
First valve and the second valve are closed, the gross mass M5 of the analogue unit is measured.
Preferably, the volume for the tune stream particle being added in the simulation container is more than the three of the simulation container volume
/ mono-, it is less than 2/3rds of the simulation container volume.
Preferably, described when the simulation container is heated to preset temperature value, using oil bath pan to the simulation container
It is heated.
Preferably, in the step 6, according to formula：
ρIt surveysDensity value of the stream particle in the case where simulating true reservoir condition is adjusted in=M4 ×/(M4+M2-M5) calculating,
Wherein, ρIt surveysTo adjust density value of the stream particle in the case where simulating true reservoir condition；
ρ is the density of reservoir modeling liquid.
Preferably, further include step 7：
It repeats step 1 to step 6 to take multiple measurements, takes the average value of its result of calculation as final tune stream particle
Density value in the case where simulating true reservoir condition.
It is provided by the invention to adjust the measurement method for flowing density of the particle in the case where simulating true reservoir condition, it can be in a kind of mould
It is measured under quasi- high temperature and pressure oil reservoir full-scale condition, the density of particle under reservoir conditions can be tested, be general measure skill
What art can not replace；It is porous media due to adjusting stream particle, the density under the high temperature and pressure of particle directly affects the quality of construction,
And using the method one crushed to be presence can not ensure that airtight cavity is destroyed completely, second is that it is exactly to be injected into ground to destroy cavity
In layer is really particle.Therefore, true reservoir condition is simulated by high temperature and pressure, tests the density of particle, ensure that and be constructed into
Power improves waterflood recovery efficiency factor effect.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows the survey according to the ... of the embodiment of the present invention for measuring and adjusting density of the stream particle in the case where simulating true reservoir condition
The structural schematic diagram of amount system.
Fig. 2 shows the methods according to the ... of the embodiment of the present invention for measuring and simulating the stream grain density of the tune under true reservoir condition
Flow chart of steps.
Fig. 3 shows the method according to the ... of the embodiment of the present invention for measuring and simulating the stream grain density of the tune under true reservoir condition
S05) step flow chart.
In figure：Liquid pump 1, piston container 2, pressure gauge 3, analogue unit 4, simulation container 41, the first valve 42, the second valve
43, third valve 5, back-pressure valve 6, oil bath pan 7.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
Fig. 1 shows the survey according to the ... of the embodiment of the present invention for measuring and adjusting density of the stream particle in the case where simulating true reservoir condition
The structural schematic diagram of amount system.As shown in Figure 1, the measuring system includes liquid pump 1, piston container 2 and analogue unit 4, liquid pump 1 with
The inlet of piston container 2 connects, and the liquid outlet of piston container 2 is connect with analogue unit 4.Analogue unit 4 includes for containing
Reservoir modeling liquid and the simulation container 41 for adjusting stream particle simulate and are connected with feed liquor pipeline on the feed liquor port of container 41, go out
Outlet tube line is connected on liquid port, the feed liquor pipeline is equipped with the first valve 42, and outlet end mouth is equipped with the second valve 43,
First valve, 42 and second valve 43 is respectively used to the feed liquor of control simulation container 41 and goes out liquid, the simulation container 41,
Feed liquor pipeline, outlet tube line, liquid flowing valve and liquid valve door form above-mentioned analogue unit 4.Analogue unit 4 and piston container 2
Between connecting pipeline be equipped with pressure gauge 3, pressure gauge 3 specifically be set between the first valve 42 and the liquid outlet of piston container 2
In connecting pipeline, pressure gauge 3 is used to detect the moulding pressure of analogue unit 4.The inlet of second valve 43 and simulation container 41
Liquid outlet connection, the liquid outlet of the second valve 43 is connected with back-pressure valve 6 through pipeline, for carrying out pressure limiting to the measuring system,
Prevent the system from being damaged due to hypertonia.
In the embodiment, third valve 5 is additionally provided in the connecting pipeline between liquid pump 1 and piston container 2, for controlling liquid
Liquid stream break-make between pump 1 and piston container 2.
Further, which further includes oil bath pan 7, and the oil bath pan 7 is for oil immersion simulation container 41 and will simulate
Container 41 heats.It is described that the simulation container 41 is heated to preset temperature value (preset temperature value is determined according to reservoir temperature)
When, the simulation container 41 is heated using oil bath pan.
Liquid pump 1 is pumped into the reservoir modeling liquid with pressure to the measuring system, and piston container 2 is so as to analogue unit 4
The pressure of the reservoir modeling liquid of offer is more stablized.
In the embodiment, liquid pump 1 is specifically selected as high pressure water-injection pump.Reservoir modeling liquid is selected as distilled water, kerosene etc., specifically
It can be selected with particle wetting characteristics according to tune stream.
The method that the tune stream grain density under true reservoir condition is simulated in measurement in the embodiment utilizes above-mentioned measurement system
It unites to complete.Fig. 2 shows the sides according to the ... of the embodiment of the present invention for measuring the tune simulated under true reservoir condition and flowing grain density
Method flow chart of steps.As shown in Fig. 2, specific steps can refer to S01)-S07)：
S01 the mass M 1 of the simulation container), is determined.
Specifically, it can determine that the mass M 1 of simulation container, mass M 1 are simulation container in vacant shape by modes such as weighings
Quality under state.
S02 it), is passed through reservoir modeling liquid into the measuring system, until occurring without bubble, it is single to measure the simulation
The gross mass M2 of member.
Liquid pump is opened, reservoir modeling liquid is passed through into measuring system, until the measuring system is stablized to no bubble
It is existing.Then, in this case, the gross mass M2 of the analogue unit is measured.The gross mass M2 packets of signified analogue unit herein
Include the first valve 42, the second valve 43, pipeline and simulation container 41 and the first valve 42, the second valve 43, pipeline and
Total quality of the reservoir modeling liquid contained in simulation container 41.
S03 it), calculates the simulation container 41 and fills the mass M 3 after reservoir modeling liquid.
Specifically, it individually calculates simulation container and fills the mass M 3 after reservoir modeling liquid, in case subsequent step uses.
S04 processing), is dried to tune to be measured stream particle, and it is M4 to measure the quality after being dried.
Specifically, tune stream particle is dried to default mass dryness fraction under constant temperature value.The value range of the constant temperature value is
60-80 DEG C, 60 DEG C are taken as in the embodiment, and standing time weighs quality for 24 hours, until quality is unchanged.The default mass dryness fraction tool of meaning
Body is weight basicly stable mass dryness fraction when steady state value to be dried adjusted and flow particle.
S05), the tune stream particle after drying process is added in the simulation container, and simulation container heating is added
It is depressed into preset temperature value and preset pressure value, then measures the gross mass M5 of the analogue unit 4 under the state.
Fig. 3 shows the method according to the ... of the embodiment of the present invention for measuring and simulating the stream grain density of the tune under true reservoir condition
Step S05) flow chart.As shown in figure 3, specifically, which includes again：
S051), the tune stream particle after drying process is added in the simulation container 41；
In the step, the volume for the tune stream particle being added in the simulation container is more than the simulation container volume
One third is less than 2/3rds of the simulation container volume.
S052 the simulation container), is heated to preset temperature value；
S053), then, start liquid pump 1, reservoir modeling liquid is pumped into analogue unit to preset pressure value, this is default
Pressure value is reservoir pressure value；
S054), last, 42 and second valve 43 of the first valve is closed, the gross mass of the analogue unit 4 is measured
M5。
In the embodiment, preset temperature value is 150 DEG C, preset pressure value 40Mpa.
S06 it), according to the quality of M1, M2, M3, M4 and the M5 measured, calculates and adjusts stream particle in the case where simulating true reservoir condition
Density value.
In the step, according to formula ρIt surveys=M4 × ρ/(M4+M2-M5), which is calculated, adjusts stream particle simulating
Density value under true reservoir condition,
Wherein, ρIt surveysTo adjust density value of the stream particle in the case where simulating true reservoir condition；
ρ is the density of reservoir modeling liquid.
S07 it), repeats step 1 to step 6 to take multiple measurements, takes the average value of its result of calculation as final tune
Flow density value of the particle in the case where simulating true reservoir condition.
It in the step, in order to ensure the confidence level of measurement result, repeats step 1 to step 6 and takes multiple measurements, measure
Number can be that for example three times, and the average value of its result of calculation flows particle under the true reservoir condition of simulation as final tunes
Density value.
The method that the tune stream grain density under true reservoir condition is simulated in the measurement, can be in a kind of simulation high temperature high pressure oil
It hides and is measured under full-scale condition, the density of particle under reservoir conditions can be tested, being conventional measurement technology can not replace；
It is porous media due to adjusting stream particle, the density under the high temperature and pressure of particle directly affects the quality of construction, and uses crushing
Method one is in the presence of can not ensure that airtight cavity is destroyed completely, second is that it is exactly that be injected into stratum be really to destroy cavity
Grain.Therefore, true reservoir condition is simulated by high temperature and pressure, tests the density of particle, ensure that construction success rate, improves water
Drive recovery ratio effect.
In addition, the measuring system of density of the measurement tune stream particle in the case where simulating true reservoir condition is easy to operate, error
It is small, it is ensured that the certain suspension of particle, it is ensured that construction safety.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of measuring the method for simulating the stream grain density of the tune under true reservoir condition, which is characterized in that the measurement method is adopted
The measuring system of density of the stream particle in the case where simulating true reservoir condition is adjusted to complete with a kind of measure, which includes being used for
It contains reservoir modeling liquid and adjusts the simulation container of stream particle, feed liquor pipeline is connected on the feed liquor port of the simulation container,
Outlet tube line is connected on outlet end mouth, the feed liquor pipeline is equipped with the first valve, and outlet end mouth is equipped with the second valve, institute
It states the first valve and the second valve is respectively used to the feed liquor of control simulation container and goes out liquid, the simulation container, goes out feed liquor pipeline
Liquid pipe line, liquid flowing valve and liquid valve door form analogue unit, which includes the following steps：
Step 1：Determine the mass M 1 of the simulation container；
Step 2：It is passed through reservoir modeling liquid into the measuring system, until occurring without bubble, measures the analogue unit
Gross mass M2；
Step 3：It calculates the simulation container and fills the mass M 3 after reservoir modeling liquid；
Step 4：Processing is dried to tune to be measured stream particle, and it is M4 to measure the quality after being dried；
Step 5：The tune stream particle after drying process is added in the simulation container, and container temperature-pressure will be simulated
To preset temperature value and preset pressure value, the gross mass M5 of the analogue unit under the state is then measured；
Step 6：According to the quality of M1, M2, M3, M4 and the M5 measured, calculates and adjust stream particle in the case where simulating true reservoir condition
Density value.
2. according to claim 1 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In the step 2 includes：Reservoir modeling liquid is pumped into the analogue unit by liquid pump.
3. according to claim 2 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In the inlet of the setting piston container between the analogue unit and the liquid pump, the liquid pump and the piston container connects
It connects, the liquid outlet of the piston container is connect with the analogue unit, and the liquid pump holds reservoir modeling liquid through the piston
Device is pumped into the analogue unit.
4. according to claim 1 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In described processing is dried to include to tune to be measured stream particle：
Tune stream particle is dried to default mass dryness fraction under constant temperature value.
5. according to claim 4 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In the value range of the constant temperature value is 60-80 DEG C.
6. according to claim 1 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In the step 5 includes：
The tune stream particle after drying process is added in the simulation container；
The simulation container is heated to preset temperature value；
Start liquid pump, reservoir modeling liquid is pumped into analogue unit to preset pressure value；
First valve and the second valve are closed, the gross mass M5 of the analogue unit is measured.
7. according to claim 6 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In the volume for the tune stream particle being added in the simulation container is more than the one third of the simulation container volume, is less than
2/3rds of the simulation container volume.
8. according to claim 6 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In, it is described when the simulation container is heated to preset temperature value, the simulation container is heated using oil bath pan.
9. the method for simulating the stream grain density of the tune under true reservoir condition is measured according to claim 1-8 any one of them,
It is characterized in that, in the step 6, according to formula：
ρIt surveys=M4 × ρ/(M4+M2-M5) calculates the density value for adjusting stream particle in the case where simulating true reservoir condition,
Wherein, ρIt surveysTo adjust density value of the stream particle in the case where simulating true reservoir condition；
ρ is the density of reservoir modeling liquid.
10. according to claim 1 measure the method for simulating the stream grain density of the tune under true reservoir condition, feature exists
In further including step 7：
It repeats step 1 to step 6 to take multiple measurements, takes the average value of its result of calculation as final tune stream particle in mould
Intend the density value under true reservoir condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296744.0A CN108709837A (en) | 2018-04-04 | 2018-04-04 | Measure the method for simulating the stream grain density of the tune under true reservoir condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296744.0A CN108709837A (en) | 2018-04-04 | 2018-04-04 | Measure the method for simulating the stream grain density of the tune under true reservoir condition |
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| CN108709837A true CN108709837A (en) | 2018-10-26 |
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ID=63867051
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|---|---|---|---|
| CN201810296744.0A Pending CN108709837A (en) | 2018-04-04 | 2018-04-04 | Measure the method for simulating the stream grain density of the tune under true reservoir condition |
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Citations (6)
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|---|---|---|---|---|
| GB1398781A (en) * | 1971-07-30 | 1975-06-25 | Toray Industries | Densimeters |
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| CN104634708A (en) * | 2015-02-13 | 2015-05-20 | 西安石油大学 | Method for predicting density and particle size distribution of particles in fluidized bed based on computational fluid mechanics |
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| CN206440359U (en) * | 2017-01-24 | 2017-08-25 | 中国石油化工股份有限公司天然气分公司计量研究中心 | A kind of automatic tune streaming system for natural gas |
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2018
- 2018-04-04 CN CN201810296744.0A patent/CN108709837A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398781A (en) * | 1971-07-30 | 1975-06-25 | Toray Industries | Densimeters |
| JP2007064820A (en) * | 2005-08-31 | 2007-03-15 | Toyota Motor Corp | Device and method for measuring air bubble ratio |
| CN104634708A (en) * | 2015-02-13 | 2015-05-20 | 西安石油大学 | Method for predicting density and particle size distribution of particles in fluidized bed based on computational fluid mechanics |
| CN105891047A (en) * | 2016-03-31 | 2016-08-24 | 中国环境科学研究院 | Determination method and device for organic solid waste material particle density |
| CN206440359U (en) * | 2017-01-24 | 2017-08-25 | 中国石油化工股份有限公司天然气分公司计量研究中心 | A kind of automatic tune streaming system for natural gas |
| CN106908326A (en) * | 2017-03-17 | 2017-06-30 | 中国石油大学(华东) | A kind of profile control and water plugging determines device with granule strength |
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| Title |
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| CHUANJIN YAO 等: "Selectivity of Pore-Scale Elastic Microspheres as a Novel Profile Control and Oil Displacement Agent", 《ENERGY FUELS》 * |
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Application publication date: 20181026 |
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