CN107514252A - A kind of heavy crude reservoir thermal recovery visual virtual design device - Google Patents
A kind of heavy crude reservoir thermal recovery visual virtual design device Download PDFInfo
- Publication number
- CN107514252A CN107514252A CN201710944125.3A CN201710944125A CN107514252A CN 107514252 A CN107514252 A CN 107514252A CN 201710944125 A CN201710944125 A CN 201710944125A CN 107514252 A CN107514252 A CN 107514252A
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- experimental box
- cover plate
- transparent cover
- thermal recovery
- heavy crude
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- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 41
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- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000011161 development Methods 0.000 abstract description 9
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- 238000010793 Steam injection (oil industry) Methods 0.000 description 4
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Classifications
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- 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
-
- 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
- E21B47/00—Survey of boreholes or wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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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)
- Geophysics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, there is the experimental box of opening including top, transparent cover plate and temperature sensing component, transparent cover plate is connected in which can be removably mounted with experimental box, transparent cover plate enclosed experiment case opening, transparent cover plate encloses to form experiment chamber with experimental box, temperature sensing component is located on experimental box in which can be removably mounted, and temperature sensing component is located at transparent cover plate both sides respectively with experiment chamber, temperature sensing component can detect the temperature of experiment intracavitary, multiple measuring point eyelets are offered on experimental box bottom plate, measuring point eyelet can be used as pressure monitoring point and accommodating simulation screen casing.The heavy crude reservoir thermal recovery visual virtual design device of the present invention, multiple measuring point eyelets are opened up in experimental box bottom, by setting simulation screen casing easily can carry out a variety of various forms of thermal recovery simulated experiments to heavy crude reservoir in different measuring points eyelet, make technical staff more comprehensively, be apparent from percolation law and Production development characteristic of the heavy crude reservoir under various thermal recovery modes.
Description
Technical field
The present invention relates to petroleum works heavy crude reservoir Simulation on whole pay zones experimental field, referring in particular to a kind of heavy crude reservoir thermal recovery can
Depending on changing physical simulating device.
Background technology
Using visual virtual design device, percolation law of the different type oil reservoir under different modes can be effectively simulated
With Production development characteristic, so as to propose effective oil reservoir development means and test the reliability of different development schemes to provide theory
Foundation.For viscous crude and oil-sand resource, because the viscosity of crude under the conditions of the original reservoir is larger, poor fluidity, traditional water filling
Cold to adopt technical feasibility poor, it is necessary to using oil recovery by heating technology with chemical flooding etc..
Existing oil recovery by heating technology includes steam soak, steam drive, SAGD and other a variety of improvement thermal recovery modes, is entering
, it is necessary to probe into oil reservoir when taking different Simulation on whole pay zones modes during row simulated experiment, the fluid flow characteristics inside oil reservoir, steam
Chamber extension feature and raising harvesting mechanism etc..And in the prior art when carrying out thermal recovery simulated experiment, typically correspond to a variety of
Thermal recovery mode, more set experimental simulation devices are set, it is difficult to realized simultaneously on a set of equipment simulation steam soak, steam drive,
SAGD (SAGD) and other improvement thermal recovery modes analog functuion.
The content of the invention
It is an object of the invention to provide a kind of heavy crude reservoir thermal recovery visual virtual design device, staff couple can be facilitated
Heavy crude reservoir carries out the thermal recovery simulated experiment of diversified forms.
The invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, wherein, the heavy crude reservoir thermal recovery
Visual virtual design device includes the experimental box, transparent cover plate and temperature sensing component that top has opening, the transparency cover
Plate is connected in which can be removably mounted with the experimental box, and the transparent cover plate closes the opening of the experimental box, the transparency cover
Plate is enclosed to form experiment chamber with the experimental box, and the temperature sensing component is located on the experimental box in which can be removably mounted, and described
Temperature sensing component is located at the both sides of the transparent cover plate with the experiment chamber respectively, and the temperature sensing component can detect described
The temperature of intracavitary is tested, multiple measuring point eyelets are offered on the bottom plate of the experimental box, the measuring point eyelet can be used as pressure to supervise
Measuring point and accommodating simulation screen casing.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, along the bottom by the experimental box
To the direction at the top of the experimental box, the inwall court of the experimental box extends out in the direction away from each other, and in the experiment
Step of the step surface towards the top of the experimental box is formed on the inwall of case, the transparent cover plate can be removably mounted ground by locating part
Be installed on the step, the lower surface of the transparent cover plate, the experimental box the bottom plate inner surface and be located at
The inwall of the experimental box below the step surface encloses to form the experiment chamber.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the locating part includes spacing pressure ring
And multiple bolts, the spacing pressure ring pressure are convex located at the top of the side wall of the experimental box, the inside edge of the spacing pressure ring
For the inwall of the experimental box, and the inside edge pressure of the spacing pressure ring is located at the outer peripheral edge of the transparent cover plate, described
Multiple screws are offered on the top surface of the side wall of experimental box, each screw is each along the top by the experimental box to the reality
The direction of the bottom of tryoff extends, and corresponding to multiple screws on the spacing pressure ring offers multiple through holes, multiple spiral shells
Bolt extends through multiple through holes and spun with multiple screws.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the transparent cover plate and the step
Seal washer is installed between face, buffer gasket, the transparency cover are provided between the transparent cover plate and the inwall of the experimental box
O-ring seal is provided between plate and the spacing pressure ring.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, formed on the outer wall of the experimental box
There is a boss for the outer wall for protruding from the experimental box, the boss is along the experimental box circumferentially around being arranged on the experimental box
Outer wall on, and the boss on the bottom of the experimental box, the outer wall of the experimental box around being arranged with heating mantle, institute
State the inwall of heating mantle to contact with the outer wall fitting of the experimental box, the lower surface of the heating mantle and the upper surface of the boss
Fitting contact, the upper surface of the heating mantle and the either flush of the experimental box.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the internal diameter of the measuring point eyelet is 3mm
Or 6mm, one end of the simulation screen casing stretch to the experiment intracavitary, and one end of the simulation screen casing by the measuring point eyelet
Outside the experimental box, multiple penetrate is offered in the side wall of the part for stretching to the experiment intracavitary of the simulation screen casing
Hole or multiple slots, and it is arranged with sand control screens on the outer wall of the part for stretching to the experiment intracavitary of the simulation screen casing.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the experiment chamber passes through separate mesh point
Every the multiple regions of formation.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the transparent cover plate is by glass system
Into transparent cover plate, the thickness of the transparent cover plate is 3cm~5cm, and the compressive resistance of the transparent cover plate is 2MPa~4MPa,
The heat resisting temperature of the transparent cover plate is 300 DEG C.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the lower surface of the transparent cover plate
And the bottom interior wall face of the experimental box is texturing surface, the state of the step surface is mounted in the transparent cover plate
Under, the distance between bottom interior wall of the lower surface of the transparent cover plate and the experimental box is more than or equal to 3cm.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the temperature sensing component connects to be non-
Touch infrared temperature probe assembly, the temperature sensing component include multiple infrared temperature probes and probe holder, the probe holder
It is installed on can be removably mounted on the experimental box, multiple infrared temperature probes are arranged on the probe holder in which can be removably mounted,
And each infrared temperature probe, towards the experiment chamber, the probe distance coefficient of each infrared temperature probe is 8: 1.
Heavy crude reservoir thermal recovery visual virtual design device as described above, wherein, the heavy crude heat extraction visualizes physics
Analogue means also includes support, and the outer wall of two relative side walls of the experimental box is respectively equipped with a rotating shaft, and two rotating shafts are same
Axle is set, and the experimental box is installed on the support by what two rotating shafts can rotate, and the support is provided with locking machine
Structure, the retaining mechanism can carry out locking to the experimental box and keep the experimental box static relative to the support.
Compared with prior art, advantages of the present invention is as follows：
Heavy crude reservoir thermal recovery visual virtual design device provided by the invention, multiple measuring points are opened up in the bottom of experimental box
Eyelet, it is a variety of various forms of by setting simulation screen casing easily can be carried out to heavy crude reservoir in different measuring point eyelets
Thermal recovery simulated experiment, make technical staff more comprehensively, be apparent from percolation law of the heavy crude reservoir under various thermal recovery modes and
Production development characteristic.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of heavy crude reservoir thermal recovery visual virtual design device provided by the invention；
Fig. 2 is the partial structural diagram of heavy crude reservoir thermal recovery visual virtual design device provided by the invention；
Fig. 3 is the top view of the experimental box of heavy crude reservoir thermal recovery visual virtual design device provided by the invention；
Fig. 4 is the upward view of the experimental box of heavy crude reservoir thermal recovery visual virtual design device provided by the invention；
Fig. 5 is that the experiment chamber of heavy crude reservoir thermal recovery visual virtual design device provided by the invention fills uniform soft soil base
Schematic diagram；
Fig. 6 is that the experiment chamber of heavy crude reservoir thermal recovery visual virtual design device provided by the invention fills vertical heterogeneity
The schematic diagram of model；
Fig. 7 is that the experiment chamber filling of heavy crude reservoir thermal recovery visual virtual design device provided by the invention is laterally heterogeneous
The schematic diagram of model；
Fig. 8 is to carry out heterogeneous 1/2 oil reservoir using heavy crude reservoir thermal recovery visual virtual design device provided by the invention
The lab diagram of SAGD and ES-SAGD thermal recovery simulated experiments；
Fig. 9 is to carry out heterogeneous full oil reservoir using heavy crude reservoir thermal recovery visual virtual design device provided by the invention
The lab diagram of SAGD and ES-SAGD thermal recovery simulated experiments；
Figure 10 a and Figure 10 b are non-using heavy crude reservoir thermal recovery visual virtual design device provided by the invention progress
The lab diagram of the full five-spot pattern hot-fluid displacement simulation experiment of matter；
Figure 11 a and Figure 11 b are non-using heavy crude reservoir thermal recovery visual virtual design device provided by the invention progress
The lab diagram of the five-spot pattern hot-fluid displacement simulation of matter 1/4 experiment；
Figure 12 is to carry out heterogeneous CSS- using heavy crude reservoir thermal recovery visual virtual design device provided by the invention
The lab diagram of SAGD thermal recovery simulated experiments.
Drawing reference numeral explanation：
1 experimental box
11 experiment chambers
12 measuring point eyelets
13 steps
14 screws
15 boss
16 heating mantles
17 separate mesh
18 rotating shafts
19 handles
2 transparent cover plates
21 seal washers
22 buffer gaskets
23 O-ring seals
3 temperature sensing components
31 infrared temperature probes
32 probe holders
4 simulation screen casings
5 locating parts
51 spacing pressure rings
52 bolts
6 supports
Embodiment
In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the brief description of the drawings present invention
Embodiment.
As shown in Figure 1 to 4, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, wherein, it is thick
Oil reservoir thermal recovery visual virtual design device includes the experimental box 1, transparent cover plate 2 and temperature sensing component that top has opening
3, transparent cover plate 2 is connected in which can be removably mounted with experimental box 1, and the opening of the enclosed experiment case 1 of transparent cover plate 2, transparent cover plate 2 and experiment
Case 1 is enclosed to form experiment chamber 11, and when being tested, glass microballoon and/or quartz sand construction are sufficient filling with experiment chamber 11
Porous media, sandpack column is formed, wherein according to the species, size and position distribution of the material of filling, can construct to be formed
Matter sandpack column (referring to Fig. 5) and heterogeneous sandpack column (referring to Fig. 6 and Fig. 7), wherein, heterogeneous sandpack column can
Closer actual reservoir characteristics, the reliability of experimental data can be effectively improved when being tested using heterogeneous sandpack column；
Temperature sensing component 3 is located on experimental box 1 in which can be removably mounted, and temperature sensing component 3 is located at transparent cover plate 2 respectively with experiment chamber 11
Both sides, temperature sensing component 3 can detect experiment chamber 11 in temperature, by using be arranged on experiment chamber 11 outside temperature sensing
Component 3, compared with the set-up mode that temperature sensing component 3 is arranged in sandpack column in the prior art, it can effectively avoid temperature
Degree probe assembly 3 and sandpack column influencing each other therebetween, so as to which the degree of accuracy of temperature detection and mould be effectively ensured
Draft experiment is not disturbed by other structures；Multiple measuring point eyelets 12 are offered on the bottom plate of experimental box 1, measuring point eyelet 12 can be used as pressure
Power monitoring point and accommodating simulation screen casing 4, when being tested, the thermal recovery mode to be simulated according to simulated experiment, needing to set
Put and simulation screen casing 4 is set in the measuring point eyelet 12 of the opening position of simulation screen casing 4, while measuring point eyelet 12 is also used as reality
Pressure monitoring point during testing.
Further, as shown in Figures 1 and 2, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design dress
Put, wherein, the direction along the bottom by experimental box 1 to the top of experimental box 1, the inwall of experimental box 1 is towards being located remotely from each other
Direction extends out, and forms step 13 facing to the step 13 at the top of experimental box 1, i.e. experimental box 1 on the inwall of experimental box 1
Internal to be divided into two parts up and down with plane where the face of step 13, the sidewall thickness in wherein upper part space is smaller, and lower part is empty
Between sidewall thickness it is larger, junction between the side wall in upper part space and the side wall in lower part space formed with step 13,
The step 13 of step 13 is facing to the opening direction of experimental box 1, and for step 13 for placing transparent cover plate 2, transparent cover plate 2 passes through limit
Position part 5 be installed on can be removably mounted on step 13, the lower surface of transparent cover plate 2, the bottom plate of experimental box 1 inner surface and be located at
The inwall of experimental box 1 below the face of step 13 encloses to form experiment chamber 11, i.e. transparent cover plate 2 is arranged on the top in experimental box 1
Divide in space, and the lower part space in experimental box 1 forms experiment chamber 11.
Further, as shown in FIG. 1 to 3, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design
Device, wherein, locating part 5 includes spacing pressure ring 51 and multiple bolts 52, and the spacing pressure of pressure ring 51 is located at the top of the side wall of experimental box 1
Portion, the inside edge of spacing pressure ring 51 protrudes from the inwall of experimental box 1, and the inside edge pressure of spacing pressure ring 51 is located at transparency cover
The outer peripheral edge of plate 2, when spacing pressure ring 51 is fixed on the top of experimental box 1, transparent cover plate 2 is equivalent to being located in spacing pressure ring
Between 51 and step 13, multiple screws 14 are offered on the top surface of the side wall of experimental box 1, each screw 14 is each along by experimental box 1
Top to the bottom of experimental box 1 direction extension, correspond to multiple screws 14 on spacing pressure ring 51 and offer multiple through holes, its
In, multiple bolts 52, multiple screws 14 and multiple through holes are set to correspond, and multiple bolts 52 extend through multiple through holes simultaneously
Spin with multiple screws 14, preferably, bolt 52, screw 14 and through hole are set to eight, wherein in eight screws 14, have
Four screws 14 are respectively arranged at four angles at the top of experimental box 1, and four additional screw 14 is respectively arranged on four of experimental box 1
The middle position of the top surface of side wall, with ensure spacing pressure ring 51 when being attached with experimental box 1 can uniform force, make limit
Compactness between the top surface of the bottom surface of position pressure ring 51 and the side wall of experimental box 1 is higher, is more uniformly stressed transparent cover plate 2,
Reduce the situation that transparent cover plate 2 is easily broken due to discontinuity.
Preferably, as shown in Figures 1 and 2, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design dress
Put, wherein, seal washer 21 is installed, preferably, seal washer 21 selects graphite grazing between transparent cover plate 2 and the face of step 13
Packing ring, but it should be recognized that may be otherwise using seal washer 21 made of other materials, the present invention not as
Limit, along the radial direction by seal washer 21, the distance between outward flange of seal washer 21 to inward flange is 1cm, i.e. sealing gasket
The width of circle 21 is 1cm, by setting seal washer 21 effectively can be sealed between transparent cover plate 2 and the face of step 13, prevents reality
The material tested in chamber 11 leaks in the gap between transparent cover plate 2 and the face of step 13；The inwall of transparent cover plate 2 and experimental box 1
Between be provided with buffer gasket 22, due to experiment chamber 11 in medium may be to transparent cover plate during simulated experiment is carried out
2 applications make the active force that transparent cover plate 2 moves between the inwall of experimental box 1, by setting buffer gasket 22 effectively to offset
The active force that transparent cover plate 2 is subject to, and periphery to transparent cover plate 2 and the inwall of experimental box 1 are protected, and prevent transparency cover
The periphery of plate 2 is in contact with the inwall of experimental box 1 and the situation of abrasion collision occurs, meanwhile, set buffer gasket 22 can also
It will effectively be sealed between the inwall of the periphery of transparent cover plate 2 and experimental box 1, further improve the sealing property of experimental box 1；It is transparent
O-ring seal 23 is provided between cover plate 2 and spacing pressure ring 51, wherein, O-ring seal 23 is in order to further to transparent cover plate
Sealed between 2 and spacing pressure ring 51, O-ring seal 23 can be directly be folded in transparent cover plate 2 and spacing pressure ring 51 it
Between, it is similar to the mounting means of seal washer 21 or directly beaten liquid glue in spacing pressure ring by way of gluing
At 51 inside edge and with the upper surface of transparent cover plate 2, after liquid glue solidification after formed O-ring seal 23, by transparency cover
Gap sealing between plate 2 and spacing pressure ring 51, prevent gap of the introduced contaminants between transparent cover plate 2 and spacing pressure ring 51 from entering
Enter to test in chamber 11；Wherein, the thickness of transparent cover plate 2 is (along the top by experimental box 1 to the direction of the bottom of experimental box 1
Size) could be arranged to, seal washer 21 and O-ring seal 23 identical with the height dimension in the upper part space in experimental box 1
Installed in a manner of being compressed, or it can also be provided that the thickness sum of thickness and the seal washer 21 of transparent cover plate 2 with
The height dimension in upper part space is identical, and the present invention is not limited thereto.
Further, as shown in Figures 1 and 2, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design dress
Put, wherein, the boss 15 formed with the outer wall for protruding from experimental box 1 on the outer wall of experimental box 1, week of the boss 15 along experimental box 1
To being circumferentially positioned on the outer wall of experimental box 1, and boss 15 is close to the bottom of experimental box 1, i.e., experimental box 1 close to its bottom position
The outer wall at the place of putting extends out and boss 15 is formed on the outer wall of experimental box 1, and outer wall of the boss 15 along experimental box 1 rounds, real
Around heating mantle 16 is arranged with the outer wall of tryoff 1, the inwall of heating mantle 16 contacts with the outer wall fitting of experimental box 1, heating mantle
16 lower surface contacts with the upper surface fitting of boss 15, and heating mantle 16 is used to experimental box 1 is heated and is incubated, and reduces real
Medium in tryoff 1 is higher in the position temperature losses contacted with experimental box 1 and causes temperature among the medium appearance in experimental box 1
The higher and lip temperature of degree it is relatively low the occurrence of, the inside of heating mantle 16 is in hollow form, by the inside of heating mantle 16
The mode of heated fluid injection carries out temperature-compensating, the upper surface of heating mantle 16 and reality during simulated experiment to experiment chamber 11
The either flush of tryoff 1, position relative with experiment chamber 11 in the side wall of experimental box 1 can not only so be heated, moreover it is possible to
The side wall of pair experimental box relative with the edge of transparent cover plate 21 is heated, and the edge of transparent cover plate 2 is heated indirectly,
It can effectively prevent from heat exchange occurs in experiment chamber 11 causing to test in chamber 11 at temperature because the temperature of transparent cover plate 2 is relatively low
The situation of drop；It should be noted that the plane where the upper surface of boss 15 is less than flat where the bottom interior wall of experimental box 1
Face, so as to ensure that the side wall of the experimental box 1 relative with testing chamber 11 is all heated the covering of set 16, to ensure that experiment chamber 11 is heated
Uniformly.
Further, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, wherein, measuring point eyelet
12 internal diameter is 3mm or 6mm, and one end of simulation screen casing 4 is stretched in experiment chamber 11 by measuring point eyelet 12 is inserted into sandpack column
In, and the one end for simulating screen casing 4 is located at outside experimental box 1, during simulated experiment, technical staff is according to the reality of simulated experiment
Border is needed to select the simulation screen casing 4 that external diameter is 6mm for 3mm simulation screen casing 4 or external diameter, and the present invention is not limited thereto；Simulation
Multi-openings or multiple slots are offered in the side wall of the part stretched in experiment chamber 11 of screen casing 4, is easy to fluid from screen casing
On multiple positions flow into experiment chamber 11, and test the fluid in chamber 11 and flowed into from multiple positions of screen casing in screen casing, make simulation
Experiment is more nearly with practical condition, and is simulated stretching on the outer wall for testing the part in chamber 11 for screen casing 4 and be arranged with
Sand control screens, the mesh of sand control screens are less than the minimum outer diameter of filled media in experiment chamber 11, are situated between with preventing from testing the filling in chamber 11
Matter, which enters in simulation screen casing 4, to result in blockage, and ensures that simulated experiment is normally carried out.
Preferably, as shown in FIG. 6 and 7, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design dress
Put, wherein, experiment chamber 11 is separated to form multiple regions by separate mesh 17, has different sizes by being filled in regional
Medium construct non-homogeneous model, wherein shown in Fig. 6 is horizontal non-homogeneous model, and shown in Fig. 7 is that longitudinal direction is non-
Uniform soft soil base, during being tested, experiment chamber 11 can also be divided into more multizone, it is more kinds of different to construct
Non-homogeneous model, the present invention are not limited thereto.
Further, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, wherein, transparency cover
Plate 2 is transparent cover plate 2 made of glass, and the thickness of transparent cover plate 2 is 3cm~5cm, and the compressive resistance of transparent cover plate 2 is
2MPa~4MPa, the heat resisting temperature of transparent cover plate 2 is 300 DEG C.It should be noted that each parameter of above-mentioned transparent cover plate 2 is only
Present pre-ferred embodiments, those skilled in the art can also set other specification, and the present invention is not limited thereto.
In addition, preferably, the size of transparent cover plate 2 preferably could be arranged to 20cm*20cm, by the chi of transparent cover plate 2
The very little 20cm*20cm that is arranged to can meet the requirement of most of simulated experiment, but it should be recognized that people in the art
Member can also be arranged to other sizes according to actual conditions, and the present invention is not limited thereto.
Preferably, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, wherein, transparent cover plate
2 lower surface and the bottom interior wall face of experimental box 1 are texturing surface, by the lower surface of transparent cover plate 2 and experimental box 1
Bottom interior wall is set to texturing surface energy during simulated experiment, and the medium for effectively preventing from being filled in experiment chamber 11 is along thoroughly
The bottom surface of bright cover plate 2 or the lower surface movement of experimental box 1；In the state of transparent cover plate 2 is mounted on the face of step 13, thoroughly
The distance between the lower surface of bright cover plate 2 and the bottom interior wall of experimental box 1 are more than or equal to 3cm, that is, the inside for testing chamber 11 is high
Spend and can guarantee that not less than 3cm, to be arranged such and carrying out having enough space filling multilayer glass microballoon or quartz sand during back-up sand,
Preferably to construct the porous media with Heterogeneous Characteristics.
Further, as shown in figure 1, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, its
In, temperature sensing component 3 is non-contact infrared temperature sensing component 3, and temperature sensing component 3 includes multiple infrared temperature probes
31 and probe holder 32, probe holder 32 be installed on can be removably mounted on experimental box 1, multiple infrared temperature probes 31 are installed in which can be removably mounted
On probe holder 32, and each infrared temperature probe 31 is visited towards experiment chamber 11 with the existing temperature being located in sandpack column
Survey component 3 to compare, the non-contact infrared temperature sensing component 3 that the present invention uses will not be by the shadow of the thickness of sandpack column
Ring, measuring result error is smaller, and the extension of vapor chamber during simulated experiment will not be impacted；Infrared temperature probe 31
9~24 are provided with, specific number and distribution situation are tested according to realistic simulation to be determined, only need to ensure each infrared temperature probe
31 probe distance coefficient is 8: 1.
Probe distance coefficient is an important parameter of infrared temperature probe 31.Probe distance coefficient by the ratio between D: S determine,
I.e. infrared temperature probe 31 arrives the distance between target the ratio between D and measured target diameter S.If infrared temperature probe 31 is due to ring
Border condition limitation is necessarily mounted at away from target part, and measures small target again, should just select the red of high optical resolution
Outer temperature probe 31.Optical resolution is higher, that is, increases D: S ratio, and the cost of infrared temperature probe 31 is also higher.It is if infrared
Temperature probe 31 is away from target, and target is small, should just select the infrared temperature probe 31 of high distance coefficient.
Further, as shown in figure 1, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design device, its
In, heavy crude heat extraction visual virtual design device also includes support 6, and the outer wall of two relative side walls of experimental box 1 is respectively equipped with
One rotating shaft 18, two rotating shafts 18 are coaxially disposed, and experimental box 1 is installed on support 6 by what two rotating shafts 18 can rotate, real by rotating
Tryoff 1 can preferably simulate actual oil reservoir situation, and support 6 is provided with retaining mechanism (not shown), and retaining mechanism can be to reality
Tryoff 1 carry out locking keep experimental box 1 it is static relative to support 6, by set retaining mechanism can experimental box 1 is turned to it is pre-
Determine to be locked during angle, it is not rotated further, ensure the stability of sandpack column during follow-up simulated experiment.
Preferably, as shown in Fig. 1~Fig. 7, the invention provides a kind of heavy crude reservoir thermal recovery visual virtual design dress
Put, wherein, handle 19 is further respectively had on the outer wall of the relative both sides of experimental box 1, in order to which user moves experimental box 1.
Heavy crude reservoir thermal recovery visual virtual design device provided by the invention is additionally provided with image collection assembly and auxiliary is counted
Measure component, image collection assembly can also be arranged on probe holder 32, and figure acquisition component be video camera, submeter component and
Simulation screen casing 4 is connected, wherein video camera and submeter component with video camera of the prior art and submeter component
It is identical, it will not be repeated here.
Heavy crude reservoir thermal recovery visual virtual design device provided by the invention, multiple measuring points are opened up in the bottom of experimental box
Eyelet, it is a variety of various forms of by setting simulation screen casing easily can be carried out to heavy crude reservoir in different measuring point eyelets
Thermal recovery simulated experiment, make technical staff more comprehensively, be apparent from percolation law of the heavy crude reservoir under various thermal recovery modes and
Production development characteristic.
Below by the experimentation for illustrating several model experiments carried out using different thermal recovery modes of illustrating.
As can be seen from figures 8 and 9, it is real for SAGD the and ES-SAGD modes visual virtual design of heterogeneous heavy crude reservoir
Test process.
Two simulation screen casings are provided with two simulated experiments, wherein a simulation screen casing is as injection well, and another mould
Intend screen casing as producing well, the wall for simulating screen casing is provided with multi-openings eyelet or slot, to simulate dual horizontal well
SAGD and ES-SAGD modes are developed；The vapour of 1/2 oil reservoir can be simulated respectively according to injection well and the set location difference of producing well
Chamber extension is extended (referring to Fig. 9) (referring to Fig. 8) with the vapour chamber of full oil reservoir；
The warm of SAGD and ES-SAGD modes is preheated using cyclic steam stimulation method, i.e. injection well and producing well is equal
Steam injection, stewing well and the production process synchronized, until temperature sensing component is logged well, a temperature reaches 80~100 DEG C
When, warm-up phase terminates, and proceeds by SAGD and ES-SAGD exploitations；
In SAGD and ES-SAGD experimentation, the position of two simulation screen casings is set one on the other, the mould of its upper position
Intend screen casing as injection well, external connection constant voltage injection pump and steam generator, the heated fluid injection in a manner of constant-pressure；The mould of lower portion
Intend screen casing as producing well, external back pressure control valve, exploited in a manner of constant-pressure；For SAGD modes, injection well injection saturation
Steam；And soluble organic solvent and steam are injected simultaneously for ES-SAGD modes, injection well.Outside non-contact infrared
Temperature sensing component measures the reservoir temperature of corresponding position in sandpack column, obtains vapour chamber extended dynamic；Connect in experimentation
Continue the pressure for monitoring oil reservoir, temperature profile and producing well adopts liquid, oil recovery and gas oil ratio variation characteristic
Until the vapour chamber that temperature sensing component is measured with camera device no longer extends, volume no longer changes or noted
Adopt untill channeling occurs between well, experiment terminates.
It is that heterogeneous heavy crude reservoir five-spot steam drive/steam-non-is solidifying as shown in Figure 10 a, Figure 10 b, Figure 11 a and Figure 11 b
Gassing drive/steam-solvent drive/steam heat chemical combined flooding simulated experiment process.
The simulated experiment is simulated using heterogeneous heavy crude reservoir five-spot pattern hot fluid displacement mode.In sandpack column
Arrange that five mouth molds intend well (simulating screen casing) altogether, the wall for simulating well is provided with multi-openings eyelet or slot, as injection well
Hot fluid injection channel or producing well adopt liquid passage, put according to different simulation well locations, full five-spot pattern can be simulated respectively
Hot fluid displacement (referring to Figure 10 a and Figure 10 b) and 1/4 five-spot pattern hot fluid displacement (referring to Figure 11 a and Figure 11 b)；
Before displacement, simulation well first carries out the simulation of steam soak mode, suitably turns drive opportunity to reach, handled up
Cheng Zhong, several mouth molds intend steam injection, stewing well and the production process that well is synchronously carried out, and carry out the steam soak mould in 3~5 cycles
Intend, be transferred to hot fluid displacement mode simulation process afterwards；
Full five-spot steam is driven in experimentation, and can using four bicker wells, intermediate wells are as producing well as injection well
(positive 5 points) or using intermediate wells as injection well, four corner wells steam as producing well (inverted five spot) to simulate the five-spot of two ways
Vapour drives mode, the external constant speed pump of injection well and steam generator, the heated fluid injection in a manner of determining injection rate；The external back pressure of producing well
Control valve, the horizontal flowing bottomhole pressure (FBHP) for reality of control pressure, is exploited in a manner of constant-pressure；
In experimentation, outside non-contact infrared temperature sensing component is measured in sandpack column between injection producing well
Reservoir temperature, the leading edge extension of image collection assembly record displacement process and hot fluid involve situation, and continuous monitoring oil reservoir
Pressure, temperature profile and producing well adopt liquid, oil recovery and gas oil ratio variation characteristic；
According to actual temperature and leading edge mobile monitoring result, test to temperature sensing component or image collection assembly and surveyed
The sweep area taken no longer expand or injection-production well between occur channeling untill, experiment terminates.
As shown in figure 12, it is real for heterogeneous heavy crude reservoir CSS-SAGD (steam soak, SAGD) hybrid mode physical analogy
Test process.
The simulated experiment is sets two mouth molds plan well (SAGD well pair, simulating screen casing) one on the other in sandpack column, separately
While in the presence of simulation well of handling up flatly, which, which belongs to a kind of of SAGD modes, improves development scheme, and wherein SAGD well pair is simultaneous gulps down
Tu Jing presence, it can further improve the extension of vapour chamber on the basis of SAGD, improve development effectiveness；Similarly, sandpack column
Inside can use different heterogeneous back-up sand types, to simulate it is heterogeneous in the case of steam soak and SAGD mixed developing,
The simulated experiment is mainly used in steam soak during studying SAGD and steam soak mixed developing and develops expansion to SAGD vapor chambers
The affecting laws of exhibition；
SAGD warm uses cyclic steam stimulation method, i.e., injection well synchronizes with producing well steam injection, stewing well
And production process, when until temperature sensing component is logged well, a temperature reaches 80~100 DEG C, warm-up phase terminates, and proceeds by
SAGD is developed；
In SAGD production process, the simulation well of upper bit is as injection well, external connection constant voltage injection pump and steam generation
Device, the heated fluid injection in a manner of constant-pressure；The simulation well of lower portion is as producing well, external back pressure control valve, with constant-pressure side
Formula is exploited；
Steam soak simulates well, an external triple valve, a pipeline access steam generator and injection pump, another pipe
Line accesses back pressure control valve, when temperature sensing component and image collection assembly observe that SAGD vapour chambers rise to model top,
Simulation well of handling up proceeds by experiment of handling up, and the well steam injection stage of handling up opens injection pipeline valve, and the stewing well stage closes two valves
Close, the production phase only opens production valve；Non-contact infrared temperature sensing component measures corresponding position in sandpack column
Reservoir temperature, vapour chamber extended dynamic is obtained, the pressure of continuous monitoring oil reservoir in experimentation, temperature profile and producing well are adopted
Liquid, oil recovery and gas oil ratio variation characteristic；
Until the vapour chamber that is measured of temperature sensing component or image collection assembly no longer extends, volume no longer changes or
Untill channeling occurs between injection-production well, experiment terminates.
It should be noted that：In addition to above-mentioned three analoglike is tested, the present invention can also be simulated using other thermal recovery modes
Simulated experiment, will not enumerate explanation herein.
In summary, heavy crude reservoir thermal recovery visual virtual design device provided by the invention, can be tested by changing
The mesh number and size of intracavitary portion glass microballoon or quartz sand, the relative position for changing simulated injection well and simulated production well, change
Simulation wrapped screen and change injection fluid properties and can realize the different oil reservoir Heterogeneous Characteristics of simulation, different reservoir conditions, no
With micro scale sweep mechanism, development features and the remaining oil distribution under the different thermal recovery modes under completion mode and different injection fluids
Feature.The visualization of heterogeneous heavy crude reservoir thermal process can be conveniently realized using the present invention, it is accurate to observe in thermal process
Fluid neuron network rule on microscopic void yardstick.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
One of ordinary skill in the art, made equivalent variations are with repairing on the premise of the design of the present invention and principle is not departed from
Change, the scope of protection of the invention all should be belonged to.
Claims (11)
- A kind of 1. heavy crude reservoir thermal recovery visual virtual design device, it is characterised in that the visual compound of heavy crude reservoir thermal recovery Reason analogue means includes experimental box, transparent cover plate and temperature sensing component that top has opening, and the transparent cover plate can be removably mounted Ground is connected with the experimental box, and the transparent cover plate closes the opening of the experimental box, the transparent cover plate with it is described Experimental box is enclosed to form experiment chamber, and the temperature sensing component is located on the experimental box in which can be removably mounted, and the temperature sensing Component is located at the both sides of the transparent cover plate with the experiment chamber respectively, and the temperature sensing component can detect the experiment intracavitary Temperature, multiple measuring point eyelets are offered on the bottom plate of the experimental box, the measuring point eyelet can be used as pressure monitoring point and hold Put simulation screen casing.
- 2. heavy crude reservoir thermal recovery visual virtual design device according to claim 1, it is characterised in that along by described The direction at the bottom of experimental box to the top of the experimental box, the inwall court of the experimental box extend out in the direction away from each other, And step of the step surface towards the top of the experimental box is formed on the inwall of the experimental box, the transparent cover plate passes through limit Position part be installed on can be removably mounted on the step, the lower surface of the transparent cover plate, the experimental box the bottom plate it is interior The inwall of side surface and the experimental box below the step surface encloses to form the experiment chamber.
- 3. heavy crude reservoir thermal recovery visual virtual design device according to claim 2, it is characterised in that the locating part Including spacing pressure ring and multiple bolts, the spacing pressure ring pressure is located at the top of the side wall of the experimental box, the spacing pressure ring Inside edge protrude from the inwall of the experimental box, and the inside edge pressure of the spacing pressure ring is located at the transparent cover plate Outer peripheral edge, multiple screws is offered on the top surface of the side wall of the experimental box, each screw is each along by the experimental box The direction of top to the bottom of the experimental box extends, and multiple screws are corresponded on the spacing pressure ring and offer multiple lead to Hole, multiple bolts extend through multiple through holes and spun with multiple screws.
- 4. heavy crude reservoir thermal recovery visual virtual design device according to claim 3, it is characterised in that the transparency cover Seal washer is installed between plate and the step surface, cushion pad is provided between the transparent cover plate and the inwall of the experimental box Circle, is provided with O-ring seal between the transparent cover plate and the spacing pressure ring.
- 5. heavy crude reservoir thermal recovery visual virtual design device according to claim 3, it is characterised in that the experimental box Outer wall on the boss formed with the outer wall for protruding from the experimental box, the boss is along the experimental box circumferentially around setting On the outer wall of the experimental box, and the boss surround set on the bottom of the experimental box, the outer wall of the experimental box Provided with heating mantle, the inwall of the heating mantle contacts with the outer wall fitting of the experimental box, the lower surface of the heating mantle and institute State the upper surface fitting contact of boss, the upper surface of the heating mantle and the either flush of the experimental box.
- 6. the heavy crude reservoir thermal recovery visual virtual design device according to any one of Claims 1 to 5, it is characterised in that The internal diameter of the measuring point eyelet is 3mm or 6mm, and one end of the simulation screen casing stretches to the experiment chamber by the measuring point eyelet Interior, and one end of the simulation screen casing be located at outside the experimental box, stretching to for the simulation screen casing described tests intracavitary Multi-openings or multiple slots, and the part for stretching to the experiment intracavitary of the simulation screen casing are offered in partial side wall Outer wall on be arranged with sand control screens.
- 7. the heavy crude reservoir thermal recovery visual virtual design device according to any one of Claims 1 to 5, it is characterised in that The experiment chamber is separated to form multiple regions by separate mesh.
- 8. the heavy crude reservoir thermal recovery visual virtual design device according to any one of Claims 1 to 5, it is characterised in that The transparent cover plate is the transparent cover plate made of glass, and the thickness of the transparent cover plate is 3cm~5cm, the transparent cover plate Compressive resistance be 2MPa~4MPa, the heat resisting temperature of the transparent cover plate is 300 DEG C.
- 9. the heavy crude reservoir thermal recovery visual virtual design device according to any one of claim 2~5, it is characterised in that The bottom interior wall face of the lower surface of the transparent cover plate and the experimental box is texturing surface, is installed in the transparent cover plate It is fixed in the state of the step surface, the distance between bottom interior wall of the lower surface of the transparent cover plate and the experimental box More than or equal to 3cm.
- 10. heavy crude reservoir thermal recovery visual virtual design device according to claim 1, it is characterised in that the temperature Probe assembly is non-contact infrared temperature sensing component, and the temperature sensing component includes multiple infrared temperature probes and probe Frame, the probe holder are installed on the experimental box in which can be removably mounted, and multiple infrared temperature probes are arranged in which can be removably mounted On the probe holder, and each infrared temperature probe is towards the experiment chamber, the probe of each infrared temperature probe away from It is 8 from coefficient:1.
- 11. heavy crude reservoir thermal recovery visual virtual design device according to claim 1, it is characterised in that the viscous crude Thermal recovery visual virtual design device also includes support, and the outer wall of two relative side walls of the experimental box is respectively equipped with one turn Axle, two rotating shafts are coaxially disposed, and the experimental box is installed on the support by what two rotating shafts can rotate, the branch Frame is provided with retaining mechanism, and the retaining mechanism can carry out locking to the experimental box and keep the experimental box relative to the branch Frame is static.
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