CN108222908A - The method and apparatus of burning data during a kind of determining fireflood - Google Patents
The method and apparatus of burning data during a kind of determining fireflood Download PDFInfo
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- CN108222908A CN108222908A CN201711429189.6A CN201711429189A CN108222908A CN 108222908 A CN108222908 A CN 108222908A CN 201711429189 A CN201711429189 A CN 201711429189A CN 108222908 A CN108222908 A CN 108222908A
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- fireflood
- cementing material
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 128
- 238000007711 solidification Methods 0.000 claims abstract description 73
- 230000008023 solidification Effects 0.000 claims abstract description 73
- 239000007924 injection Substances 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 46
- 238000002474 experimental method Methods 0.000 claims abstract description 32
- 239000003027 oil sand Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 229910001868 water Inorganic materials 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 16
- 239000004927 clay Substances 0.000 claims description 8
- 229910052570 clay Inorganic materials 0.000 claims description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 6
- 239000011507 gypsum plaster Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 24
- 238000011065 in-situ storage Methods 0.000 abstract description 14
- 239000000243 solution Substances 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007596 consolidation process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000013383 initial experiment Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
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)
- Building Environments (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The method and apparatus that the embodiment of the present application provides burning data during a kind of determining fireflood.This method includes：By carrying out fireflood experiment in the fireflood experimental model of filling oil-sand, the air injection rate during fireflood is recorded；Cementing material is injected in the burned region domain of fireflood experimental model after fireflood experiment, obtains the cementing material after solidification；The unit volume specific air consumption during the fireflood is calculated based on the air injection rate during the fireflood and the volume of the cementing material after the solidification；The 3D shape of the cementing material after the solidification is determined, using the unit volume specific air consumption and the 3D shape as the burning data during fireflood.Burning data during fireflood can be accurately determined using technical solution provided by the embodiments of the present application, and the oil exploitation for combustion in situ provides data support, improves the oil recovery of combustion in situ.
Description
Technical field
The present invention relates to burning data during oil-gas exploration technical field more particularly to a kind of determining fireflood method and
Device.
Background technology
During oil exploration ＆ development, heavy oil reserves account for about the 25-30% of domestic total petroleum reserves, are oil exploitations
One of main source.But viscous crude density is big, viscosity is high, poor fluidity, and conventional waterflooding behavior method development effectiveness is poor.Combustion in situ
(fireflood) is taken generally be directed to highly viscous viscous crude or pitch, improves reservoir temperature, reduces viscosity of crude, enhancing original
The mobility of oil and a kind of mining type of stratum energy.Therefore, fireflood technology, which has become, improves the main of thick oil recovery ratio
One of method.
At present, it can usually be burnt to improve the oil recovery of combustion in situ by indoor three-dimensional fireflood Germicidal efficacy
The Distribution Pattern of combustion front in journey and different notes adopt influence of the parameter to combustion process, so judge fireflood technology can
Row and searching and the regulation and control method for examining combustion process.But it is only a general observation in the prior art, it is not right
The quantification of specific burning data of combustion case during baked wheaten cake, for example, unit volume specific air consumption, the three-dimensional of burned region
Burning datas such as shape etc. can instruct Oil Field fireflood exploitation and reflect the burning data of the propulsion situation of combustion front.
The shape for adopting burned region under Parameter Conditions by comparing different notes may determine that note adopts influence of the parameter to combustion process.Therefore,
In the prior art there is an urgent need for a kind of method that can accurately determine burning data during fireflood, the oil exploitation for combustion in situ carries
It is supported for data, improves the oil recovery of combustion in situ.
Invention content
The purpose of the application is to provide a kind of method and apparatus of burning data during determining fireflood, can accurately determine
Burning data during fireflood, the oil exploitation for combustion in situ provide data support, improve the oil recovery of combustion in situ.
The method and apparatus of burning data are realized in during the determining fireflood that the application provides：
A kind of method of burning data during determining fireflood, the method includes：
Fireflood experiment is carried out in the fireflood experimental model of filling oil-sand, records the air injection rate during fireflood；
Cementing material is injected in the burned region domain of fireflood experimental model after fireflood experiment, obtains the consolidation material after solidification
Material；
The fire is calculated based on the air injection rate during the fireflood and the volume of the cementing material after the solidification
Unit volume specific air consumption during drive；
The 3D shape of the cementing material after the solidification is determined, by the unit volume specific air consumption and the three-dimensional
Shape is as the burning data during fireflood.
In a preferred embodiment, the 3D shape of the cementing material after the determining solidification includes：
Slicing treatment is carried out according to preset thickness to the cementing material after the solidification, obtains slice cementing material；
Record the cross section profile coordinate data of the slice cementing material；
Cross section profile coordinate data drawing three-dimensional shape based on the slice cementing material；
Using the 3D shape of drafting as the 3D shape of the cementing material after the solidification.
In a preferred embodiment, after the air injection rate based on during the fireflood and the solidification
The unit volume specific air consumption that the volume of cementing material calculates during the fireflood includes：
Cementing material after the solidification is submerged in the container for filling with water, measures the total volume of the water of spilling, by described in
Volume of the total volume of the water of spilling as the cementing material after the solidification；
The volume of air injection rate during the fireflood divided by the cementing material after the solidification is obtained into the fire
Unit volume specific air consumption during drive.
In a preferred embodiment, the cementing material includes one of the following：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
In a preferred embodiment, the method further includes：
After the fireflood is tested, the sandstone in burned region domain in the fireflood experimental model is removed；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region after sandstone
Domain.
The device of burning data, described device include during a kind of determining fireflood：
Fireflood experiment module for carrying out fireflood experiment in the fireflood experimental model of filling oil-sand, records fireflood process
In air injection rate；
Cementing material injection module, for the burned region domain injection consolidation material of the fireflood experimental model after fireflood is tested
Material；
Entity determining module is consolidated, for obtaining the cementing material after solidifying；
Computing module, for the body based on the air injection rate during the fireflood and the cementing material after the solidification
Product calculates the unit volume specific air consumption during the fireflood；
3D shape determining module, for determining the 3D shape of the cementing material after the solidification；
Burning data determining module, for using the unit volume specific air consumption and the 3D shape as fireflood
Burning data in journey.
In a preferred embodiment, the 3D shape determining module includes：
Slicing treatment unit for carrying out slicing treatment according to preset thickness to the cementing material after the solidification, obtains
It is sliced cementing material；
Cross section profile coordinate data recording unit, for recording the cross section profile coordinate data of the slice cementing material；
3D shape drawing unit, for the cross section profile coordinate data drawing three-dimensional shape based on the slice cementing material
Shape；
3D shape determination unit, for by three-dimensional shaped of the 3D shape drawn as the cementing material after the solidification
Shape.
In a preferred embodiment, the computing module includes：
Volume computing unit for the cementing material after the solidification to be submerged in the container for filling with water, measures spilling
The total volume of water, using the total volume of the water of the spilling as the volume of the cementing material after the solidification；
Unit volume specific air consumption computing unit, for by the air injection rate during the fireflood divided by described solidifying
Gu the volume of cementing material after obtains the unit volume specific air consumption during the fireflood.
In a preferred embodiment, the cementing material includes one of the following：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
In a preferred embodiment, described device further includes：
Sandstone clearing cell after being tested in the fireflood, removes burned region domain in the fireflood experimental model
Sandstone；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region after sandstone
Domain.
The technical solution that the application provides can be by carrying out fireflood experiment, note in the fireflood experimental model of filling oil-sand
Record the air injection rate during fireflood；Cementing material is injected in the burned region domain of fireflood experimental model after fireflood experiment, obtains
Take the cementing material after solidification；Volume based on the air injection rate during the fireflood and the cementing material after the solidification
Calculate the unit volume specific air consumption during the fireflood；Determine the 3D shape of the cementing material after the solidification, it will
The unit volume specific air consumption and the 3D shape are as the burning data during fireflood.Compared with prior art,
The technical solution provided using the application can accurately determine burning data during fireflood, and the oil exploitation for combustion in situ carries
It is supported for data, improves the oil recovery of combustion in situ.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 be the application provide determining fireflood during burning data method a kind of embodiment flow chart；
Fig. 2 is a kind of schematic diagram of the embodiment for the fireflood experimental model that the application provides；
Fig. 3 is a kind of schematic diagram of embodiment after fireflood experiment provided by the embodiments of the present application；
Fig. 4 is a kind of flow signal of embodiment of 3D shape of the cementing material after the determining solidification that the application provides
Figure；
Fig. 5 be the application provide determining fireflood during burning data device a kind of embodiment in structure show
Meaning.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
Technical staff's all other embodiments obtained without making creative work should all belong to the application protection
Range.
The specific implementation of the embodiment of the present application is described in detail with several specific examples below.
Introduce a kind of embodiment of the method for burning data during a kind of determining fireflood of the application first below.Fig. 1 is
The flow chart of a kind of embodiment of the method for burning data during the determining fireflood that the application provides, this application provides strictly according to the facts
It applies example or the method operating procedure described in flow chart, but can either be included more or more without performing creative labour based on conventional
Few operating procedure.The step of being enumerated in embodiment sequence is only a kind of mode in numerous step execution sequences, is not represented
Uniquely perform sequence.It, can be according to embodiment or shown in the drawings when system in practice or client production perform
Method sequence performs either performs (such as environment of parallel processor or multiple threads) parallel.It is specific as shown in Figure 1,
The method may include：
S110：Fireflood experiment is carried out in the fireflood experimental model of filling oil-sand, records the air injection during fireflood
Amount.
In the embodiment of the present application, the oil-sand can be the mixture of original and sandstone, specifically, sandstone here can be with
For quartz sand.Specifically, in fireflood experimentation is carried out, in order to ensure that fireflood experimental model initial temperature is constant and uniform,
It can say and fireflood experimental model is placed in certain time in isoperibol.Then, high-temperature ignition under certain temperature and pressure.
Air is persistently injected, it is to be combusted to certain degree, stop the injection of air according to experiment purpose, be changed to nitrogen injection.Due to
There is no oxygen supply, combustion process will stop, and fireflood experiment terminates.
In a specific embodiment, as shown in Fig. 2, Fig. 2 is a kind of reality for the fireflood experimental model that the application provides
Apply the schematic diagram of example.It can be seen in fig. 2 that fireflood experimental model is the cuboid that length, width and height are once 500mm, 500mm, 50mm
Model is provided with igniting/gas injection well 210, diagonal extraction well 220 and 2 edge on four angles of the fireflood experimental model
Extraction 230,4 well spacings of well can be ignored with a distance from the boundary of the fireflood experimental model.4 wells may be used stainless
Steel pipe slot is made, and pipeline is blocked in pit shaft to prevent the sand in fireflood experimental model from entering.In addition, the fireflood experiment mould
Be filled in type oil-sand that oil saturation is 80% (here oil-sand can be crude oil and quartz sand mixture), model infiltration
Rate could be provided as 3000mD, porosity 30%, viscosity of crude 2000mPas under the conditions of initial experiment.It is real carrying out fireflood
Fireflood experimental model can be sealed, be placed in 40 DEG C of insulating box when testing, stand 4 hours.Then, using heating furnace by air
It is heated to being injected into igniting/gas injection well 210 with the flow velocity of 2L/min after 500 DEG C.Heating furnace is closed after continuing gas injection 30min,
Change note normal temperature air, improve gas injection speed to 4L/min, persistently test 2 hours.Then, stop injection air, close insulating box
Heating function, be changed to nitrogen injection, gas injection speed to 4L/min is lasting to inject, until maximum temperature in fireflood experimental model
No more than 50 DEG C.
S120：Cementing material is injected in the burned region domain of fireflood experimental model after fireflood experiment, obtains consolidating after solidification
Tie material.
As shown in figure 3, Fig. 3 is a kind of schematic diagram of embodiment after fireflood experiment provided by the embodiments of the present application.In Fig. 3
It can be seen that igniting/gas injection well 210, diagonal extraction well 220,2 edge extraction well 230, already region 240 and unburned regions
250。
It, can be in the combustion of the fireflood experimental model after fireflood experiment after fireflood is tested in the embodiment of the present application
Cementing material is injected in region, obtains the cementing material after solidification.Specifically, in the embodiment of the present application, the cementing material can be with
Including the material with certain fluidity, but solid can be frozen into after certain time, and the solid structure after solidification is firm,
It can be preferably cementing material not soluble in water.In a specific embodiment, the cementing material can include following
One of：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
In addition, after due to burning, combustion zone is only the crude oil that burnt, and the embodiment of the present application can also include：
After the fireflood is tested, the sandstone in burned region domain in the fireflood experimental model is removed；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region after sandstone
Domain.
Specifically, it is clean that dust catcher can be utilized all to remove the sandstone in burned region, can also with small brushes etc. its
He is cleared up hand-operated tools.It is careful not to break coke zone into pieces in reset procedure, also not touch other regions, to ensure
Combustion region is not destroyed.
Specifically, the end cap of fireflood experimental model is openable here, the end cap of fireflood experimental model can be opened,
It is observed that apparent burned region domain, injects cementing material, and keep cementing material top surface and model in the burned region domain
In the oil-sand top surface in other regions maintain an equal level, can be by remaining region in fireflood experimental model after cementing material solidification
Oil-sand removes clean, the consolidation entity (cementing material after solidifying) in reservation burned region domain.
S130：Institute is calculated based on the air injection rate during the fireflood and the volume of the cementing material after the solidification
State the unit volume specific air consumption during fireflood.
In the embodiment of the present application, the consolidation material after the air injection rate based on during the fireflood and the solidification
The unit volume specific air consumption that the volume of material calculates during the fireflood can include：
Cementing material after the solidification is submerged in the container for filling with water, measures the total volume of the water of spilling, by described in
Volume of the total volume of the water of spilling as the cementing material after the solidification；
The volume of air injection rate during the fireflood divided by the cementing material after the solidification is obtained into the fire
Unit volume specific air consumption during drive.
Specifically, here when the mixture that the cementing material is clay and water, since the mixture of clay and water is dissolved in
Water, may be used the cementing material after other solution are solidified volume determine.
S140：The 3D shape of the cementing material after the solidification is determined, by the unit volume specific air consumption and institute
3D shape is stated as the burning data during fireflood.
In the embodiment of the present application, the cementing material after being solidified, it may be determined that the three-dimensional of the cementing material after solidification
Shape.As shown in figure 4, Fig. 4 is a kind of stream of embodiment of 3D shape of the cementing material after the determining solidification that the application provides
Journey schematic diagram, specifically, can include：
S141：Slicing treatment is carried out according to preset thickness to the cementing material after the solidification, obtains slice cementing material.
It is configured, such as be set as 1cm specifically, application demand can be used in combination in shown preset thickness.
S143：Record the cross section profile coordinate data of the slice cementing material.
Again in the embodiment of dimer, the center drilling of cementing material that can be after solidification, the direction of eyelet is
Long axis direction, eyelet drill the cementing material after solidification, and eyelet straight well can combine being carried out to school for the cementing material after solidification
The size much smaller than the cementing material after solidification is set as, such as is set as 0.2cm.It is then possible to the thickness of 1cm by gypsum
Model is sliced by the direction perpendicular to long axis, is then flat on graph paper slice cementing material one by one, is ensured its hole
The profile for being sliced cementing material is drawn on graph paper, the cross section profile for obtaining slice cementing material is sat by eye in coordinate origin
Mark data.
S145：Cross section profile coordinate data drawing three-dimensional shape based on the slice cementing material.
Specifically, Digitization Software Getdata can be utilized to read cross section profile coordinate data in the embodiment of the present application.And
Sequentially compound section profile coordinate data, and then can determine the 3D shape of the cementing material after solidification.
S147：Using the 3D shape of drafting as the 3D shape of the cementing material after the solidification.
By the embodiment of the method for burning data during a kind of determining fireflood of more than the application as it can be seen that the application by
It fills and fireflood experiment is carried out in the fireflood experimental model of oil-sand, record the air injection rate during fireflood；After fireflood experiment
Fireflood experimental model burned region domain injection cementing material, obtain solidification after cementing material；During the fireflood
Air injection rate and the solidification after the volume of cementing material calculate unit volume air consumption during the fireflood
Amount；The 3D shape of the cementing material after the solidification is determined, by the unit volume specific air consumption and the 3D shape
As the burning data during fireflood.Compared with prior art, the technical solution provided using the application can be determined accurately
Burning data during fireflood, the oil exploitation for combustion in situ provide data support, improve the oil recovery of combustion in situ.
On the other hand the application also provides a kind of device of burning data during determining fireflood, Fig. 5 is the application offer
Determining fireflood during burning data device a kind of embodiment in structure diagram；As shown in figure 5, described device
500 can include：
Fireflood experiment module 510 can be used for carrying out fireflood experiment in the fireflood experimental model of filling oil-sand, record fire
Air injection rate during drive；
Cementing material injection module 520 can be used for the burned region domain injection of the fireflood experimental model after fireflood is tested
Cementing material；
Entity determining module 530 is consolidated, can be used for obtaining the cementing material after solidification；
Computing module 540 can be used for based on the air injection rate during the fireflood and the consolidation after the solidification
The volume of material calculates the unit volume specific air consumption during the fireflood；
3D shape determining module 550 can be used to determine the 3D shape of the cementing material after the solidification；
Burning data determining module 560 can be used for the unit volume specific air consumption and 3D shape work
For the burning data during fireflood.
In a preferred embodiment, the 3D shape determining module 550 can include：
Slicing treatment unit can be used for carrying out slicing treatment according to preset thickness to the cementing material after the solidification,
Obtain slice cementing material；
Cross section profile coordinate data recording unit can be used for recording the cross section profile number of coordinates of the slice cementing material
According to；
3D shape drawing unit can be used for the cross section profile coordinate data based on the slice cementing material and draw three
Tie up shape；
3D shape determination unit can be used for three using the 3D shape of drafting as the cementing material after the solidification
Tie up shape.
In a preferred embodiment, the packet of computing module 540 can include：
Volume computing unit can be used for submerging the cementing material after the solidification in the container for filling with water, and metering is overflow
The total volume of the water gone out, using the total volume of the water of the spilling as the volume of the cementing material after the solidification；
Unit volume specific air consumption computing unit can be used for the air injection rate during the fireflood divided by institute
The volume for stating the cementing material after solidification obtains the unit volume specific air consumption during the fireflood.
In a preferred embodiment, the cementing material can include one of the following：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
In a preferred embodiment, described device 500 can also include：
Sandstone clearing cell can be used for after the fireflood is tested, removing and having fired in the fireflood experimental model
The sandstone in region；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region after sandstone
Domain.
By the embodiment of the method or apparatus of burning data during a kind of determining fireflood of more than the application as it can be seen that the application
By carrying out fireflood experiment in the fireflood experimental model of filling oil-sand, the air injection rate during fireflood is recorded；In fireflood
The burned region domain injection cementing material of fireflood experimental model after experiment, obtains the cementing material after solidification；Based on the fireflood
The unit volume that the volume of cementing material after air injection rate in the process and the solidification is calculated during the fireflood is empty
Gas consumption；The 3D shape of the cementing material after the solidification is determined, by the unit volume specific air consumption and described three
Shape is tieed up as the burning data during fireflood.It compared with prior art, can be accurate using the technical solution that the application provides
Burning data during determining fireflood, the oil exploitation for combustion in situ provide data support, improve the oil of combustion in situ
Recovery ratio.
Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with
The difference of other embodiment, just to refer each other for identical similar part between each embodiment.Especially for system reality
For applying example, since it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which appended claim includes these deformations and changes without departing from the application's
Spirit.
Claims (10)
1. a kind of method of burning data during determining fireflood, which is characterized in that the method includes：
Fireflood experiment is carried out in the fireflood experimental model of filling oil-sand, records the air injection rate during fireflood；
Cementing material is injected in the burned region domain of fireflood experimental model after fireflood experiment, obtains the cementing material after solidification；
The fireflood is calculated based on the air injection rate during the fireflood and the volume of the cementing material after the solidification
Unit volume specific air consumption in journey；
The 3D shape of the cementing material after the solidification is determined, by the unit volume specific air consumption and the 3D shape
As the burning data during fireflood.
2. the according to the method described in claim 1, it is characterized in that, three-dimensional shaped of the cementing material after the determining solidification
Shape includes：
Slicing treatment is carried out according to preset thickness to the cementing material after the solidification, obtains slice cementing material；
Record the cross section profile coordinate data of the slice cementing material；
Cross section profile coordinate data drawing three-dimensional shape based on the slice cementing material；
Using the 3D shape of drafting as the 3D shape of the cementing material after the solidification.
3. according to the method described in claim 1, it is characterized in that, the air injection rate based on during the fireflood and
The unit volume specific air consumption that the volume of cementing material after the solidification calculates during the fireflood includes：
Cementing material after the solidification is submerged in the container for filling with water, measures the total volume of the water of spilling, by the spilling
Water volume of the total volume as the cementing material after the solidification；
The volume of air injection rate during the fireflood divided by the cementing material after the solidification is obtained into the fireflood
Unit volume specific air consumption in journey.
4. according to the method described in claim 1, it is characterized in that, the cementing material includes one of the following：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
5. method according to any one of claims 1 to 4, which is characterized in that the method further includes：
After the fireflood is tested, the sandstone in burned region domain in the fireflood experimental model is removed；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region domain after sandstone.
6. the device of burning data during a kind of determining fireflood, which is characterized in that described device includes：
Fireflood experiment module, for carrying out fireflood experiment in the fireflood experimental model of filling oil-sand, during record fireflood
Air injection rate；
Cementing material injection module injects cementing material for the burned region domain of the fireflood experimental model after fireflood is tested；
Entity determining module is consolidated, for obtaining the cementing material after solidifying；
Computing module, for the stereometer based on the air injection rate during the fireflood and the cementing material after the solidification
Calculate the unit volume specific air consumption during the fireflood；
3D shape determining module, for determining the 3D shape of the cementing material after the solidification；
Burning data determining module, during using the unit volume specific air consumption and the 3D shape as fireflood
Burning data.
7. device according to claim 6, which is characterized in that the 3D shape determining module includes：
Slicing treatment unit for carrying out slicing treatment according to preset thickness to the cementing material after the solidification, is sliced
Cementing material；
Cross section profile coordinate data recording unit, for recording the cross section profile coordinate data of the slice cementing material；
3D shape drawing unit, for the cross section profile coordinate data drawing three-dimensional shape based on the slice cementing material；
3D shape determination unit, for by 3D shape of the 3D shape drawn as the cementing material after the solidification.
8. device according to claim 6, which is characterized in that the computing module includes：
Volume computing unit for the cementing material after the solidification to be submerged in the container for filling with water, measures the water of spilling
Total volume, using the total volume of the water of the spilling as the volume of the cementing material after the solidification；
Unit volume specific air consumption computing unit, for will be after the air injection rate during the fireflood divided by the solidification
The volume of cementing material obtain the unit volume specific air consumption during the fireflood.
9. device according to claim 6, which is characterized in that the cementing material includes one of the following：
Cement mortar, the mixture of the plaster of paris and water, clay and water mixture.
10. according to any device of claim 6 to 9, which is characterized in that described device further includes：
Sandstone clearing cell after being tested in the fireflood, removes the sand in burned region domain in the fireflood experimental model
Stone；
Correspondingly, the burned region domain of the fireflood experimental model after the fireflood experiment includes removing the burned region domain after sandstone.
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