CN107762464A - Oil shale in-situ oil recovery analogue means - Google Patents
Oil shale in-situ oil recovery analogue means Download PDFInfo
- Publication number
- CN107762464A CN107762464A CN201610685071.9A CN201610685071A CN107762464A CN 107762464 A CN107762464 A CN 107762464A CN 201610685071 A CN201610685071 A CN 201610685071A CN 107762464 A CN107762464 A CN 107762464A
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- China
- Prior art keywords
- core
- circle
- thermal
- thermal detector
- housing
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/241—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection combined with solution mining of non-hydrocarbon minerals, e.g. solvent pyrolysis of oil shale
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The present invention relates to a kind of oil shale in-situ heating oil recovery analogue means.The device includes：Housing, and the core in the housing is set, to the heating component of core heating, the multiple thermal detectors being arranged in the core, and product collector, it is collected product caused by the core and measures the parameter of the product.Easily oil shale in-situ oil production method can be simulated in laboratory using the analogue means of the present invention, and the analog temperature field of oil shale can be obtained, to obtain the relation between temperature field and oil recovery yield.
Description
Technical field
The present invention relates to petroleum works field, more particularly to a kind of oil shale in-situ heating oil recovery analogue means.
Background technology
Oil shale is a kind of unconventional petroleum resources, before it contains abundant organic matter and has utilization
Scape, thus be considered as important to take over the energy.
Oil shale in-situ oil production method refers to：The heating oil shale in stratum produces oil gas so that oil shale decomposes.Then
Oil gas is produced by producing well.This oil production method is the technology in very forward position, but also is come without ripe theory is formed
Support this technology.Therefore, it is necessary to analogue means with laboratory carry out simulated experiment come explore oil shale in-situ oil recovery rule
Rule.
The content of the invention
The present invention proposes a kind of oil shale in-situ heating oil recovery analogue means.Can be square using the analogue means of the present invention
Just oil shale in-situ oil production method is simulated in laboratory, and the analog temperature field of oil shale can be obtained, to obtain
Obtain the relation between temperature field and oil recovery yield.
Included according to the oil shale in-situ heating oil recovery analogue means of the present invention：Core in housing and setting housing, it is right
The heating component of core heating, the multiple thermal detectors being arranged in core, and product collector, it is collected and produced caused by core
Thing and the parameter for measuring product.
The apparatus according to the invention, after being heated to core, multiple thermal detectors can obtain representative inside core
The temperature of more bit positions, so as to establish the three-dimensional temperature field for the core.And then can obtain the three-dimensional temperature field with
Relation between the parameter of product.
In one embodiment, core for cylinder and is vertically situated at enclosure interior, and heating component is vertically inserted
Enter to the inside of core to identical precalculated position, top surface and bottom surface of the precalculated position away from core.According to this set, heating
The heat overwhelming majority is all delivered in core caused by component, rather than by the top surface of core and bottom surface be dispersed into core it
Outside, which improves the efficiency of heating surface to core.In addition, this arrangement avoids the lengthwise position of heater to core
The influence of the temperature of interior any point, so as to improve the referring to property in the core temperature field that rock is obtained.
In one embodiment, heating component includes the multiple heaters of identical, from the point of view of the circular axial end face of core,
Multiple heaters are uniformly distributed in the center of circle using cylinder as on the heater circle in the center of circle.Preferably, the heater is justified
Radius and the ratio between the radius of circular axial end face of core be 1:100 to 1:Between 30.Pass through this arrangement, heater
Caused heat can be rapidly transferred to each position of core along the radial direction of core, and avoid substantial amounts of heat through core
Peripheral surface distribute, which improves the efficiency of heating surface to core.Importantly, this arrangement avoids
Influence of the radial position of heater to the temperature of any point in core, can so as to improve core temperature field that rock obtained
Referential.
In one embodiment, from the point of view of the circular axial end face of core, multiple thermal detectors are arranged in the circle of cylinder
The heart is on multiple thermal detector concentric circles in the center of circle.Preferably, at least three thermal detectors are disposed with each thermal detector circle, extremely
A few thermal detector extends proximate to the top surface of core, and at least one thermal detector extends proximate to the bottom surface of core, remaining survey
Warm device is extended to inside core and away from the top surface of core and the position of bottom surface.So, experimenter can be based on the plurality of thermometric
Device justifies the three-dimensional temperature field that core is accurately established with axial location of each thermal detector in core.It is highly preferred that each
Multiple thermal detectors on individual thermal detector concentric circles are uniformly distributed.Thus be avoided that thermal detector position and quantity to measured temperature
Impact, so that the three-dimensional temperature field of the core obtained has more generality.On each thermal detector concentric circles
The thermal detector of identical quantity is disposed with, this facilitate that the temperature that contrast is obtained by different thermal detector circles.
In one embodiment, the quantity of heater is three and is arranged to equilateral triangle, in multiple concentric circles
Each on be provided with three thermal detectors, three thermal detectors are arranged on the high line of equilateral triangle and high line prolongs
On long line.
In one embodiment, thermal insulation layer is provided between core and housing.
In one embodiment, there are gap between the roof and bottom wall of housing and the corresponding end-faces of core,
In gap heat-insulated material is provided with a manner of it can change.So, by using the heat-insulated material of the different capacity of heat transmission, can simulate
Oil recovery effect under different-energy loss.
Compared with prior art, the advantage of the invention is that：(1) after being heated to core, multiple thermal detectors can obtain rock
The temperature of the representative more bit positions of core inner, so as to establish the three-dimensional temperature field for the core.Thus can
Obtain the relation between the three-dimensional temperature field of oil shale and the parameter of product.(2) roof and bottom wall and core in housing are passed through
Corresponding end-faces between add the heat-insulated materials of the different capacity of heat transmission, the oil recovery effect under different-energy loss can be simulated.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 schematically shows the structure of the oil shale in-situ heating oil recovery analogue means according to the present invention；
Fig. 2 schematically shows the arrangement of heating component and multiple thermal detectors on the end face of core；
Fig. 3 schematically shows the arrangement of heating component and multiple thermal detectors in the axial direction of core；
Fig. 4 schematically shows another arrangement of heating component and multiple thermal detectors on the end face of core.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is schematically showed in a manner of a specific embodiment to be adopted according to the oil shale in-situ heating of the present invention
The structure of oily analogue means 100 (hereinafter referred to as device 100).As shown in figure 1, device 100 includes housing 24 and is arranged on shell
Core 25 in body 24.For the ease of processing, housing 24 is cylinder, and correspondingly core 25 is also put for cylinder and vertically
Put in housing 24.The roof 241 of housing 24 can be opened or closed by clip 22, be put into housing 24 core 25 with
And other devices.Core 25 can be heated to obtain product.Device 100 also includes product collector, to collect product and survey
The parameter of the obtained product of amount.
Heating component and multiple thermal detectors are provided with core 25, so that core 25 is heated and gathered in core 25
The temperature of multiple opening positions, thus establish the temperature field of core 25.
In the embodiment shown in Fig. 1,2 and 3, three heaters 12 are vertically inserted with into core 25, this three
Individual heater 12 constitutes heating component.As shown in Fig. 2 from the point of view of the circular axial end face 101 of core 25, three heaters 12
Equilateral triangle 125 is arranged to, the center 13 of equilateral triangle is the center of circle of the circular axial end face 101 of core 25.It should also manage
Solution, three heaters 12 are in center 13 as on the heater circle 121 in the center of circle.Heater 12 arrives the distance L1 at center 13
The ratio between (or radius of heater circle) and the radius r of end face 101 are 1:100 to 1:Between 30.Also as shown in figure 3, three heating
Device 12 extends to the bosom position of core 25.With reference to Fig. 2 and Fig. 3 understand, heater 12 whether diametrically or
Edge on axial direction all away from core 25, the inner homogeneous of core 25 is heated, it is too high and/or too low to avoid the occurrence of temperature
Position, this causes the temperature field of established core 25 closer to actual conditions.In addition, so set heater 12 can be with
Avoid heat from being dissipated to outside device 100, improve the efficiency of heating surface.
In the embodiment shown in Fig. 1,2 and 3, be vertically inserted with into core 25 multiple thermal detectors 71,72,
73、81、82、83、91、92、93.As shown in Fig. 2 from the point of view of the circular axial end face 101 of core 25, these thermal detectors are arranged in
On multiple thermal detector concentric circles 122,123,124, the centers of circle of these concentric circles also centered on 13.On each thermal detector circle
Three thermal detectors are disposed with evenly, such as thermal detector 71,72,73 is on thermal detector circle 122 and is in equilateral triangle 125
High line 70 on and the extended line of high line on.Thermal detector 71,72,73 is in opening position different in core 25 in the axial direction.
As shown in figure 3, top surface 251, the thermal detector 72 of thermal detector 71 close to core 25 are in the middle part of core 25, and thermal detector 73 is close
The bottom surface 252 of core 25.The arrangement of thermal detector 81,82,83,91,92,93 is similar, repeats no more here.So,
Experimenter can also be conveniently based on thermal detector circle and core 25 is established in the position of each thermal detector by means of processor 20
Three-dimensional temperature field.
Temperature sensor common in the art, such as sheath temperature probe can be selected in thermal detector.Here repeat no more.
It will also be appreciated that the quantity of heater can also be other any amounts, such as 1,2,4 or more
It is individual.On each thermal detector circle, the quantity of thermal detector is not limited to three, can also be 4,5 or more.Fig. 4 illustrates
Property show the arrangement of 4 heaters and 4 thermal detectors on thermal detector circle.As shown in figure 4,4 heaters
12 are arranged to square 401, and the center 13 of square 401 is the center of circle of end face 101.Four heaters 402 are arranged in just
On the perpendicular bisector on square 401 four sides.In the vertical direction, four heaters 402 are also at difference in core 25
Position, i.e., at least one top surface 251 being in close to core 25, at least one bottom surface 252 close to core 25, at remaining
In the inside of core 25 and the top surface 251 away from core and bottom surface 252.
Heat-insulated material is additionally provided between core 25 and housing 24 to reduce heat dissipation.Particularly on the top of core 25
The gap for adding heat-insulated material is all there are between the respective top 241 and bottom wall 242 of face 251 and bottom surface 252 and housing 24
253、254.Heat-insulated material in gap 253,254 can be changed, to simulate the oil shale original under the conditions of different thermal loss
Position oil recovery effect.Specifically, the heat-insulated material being added in gap 253,254 can be inert gas, such as nitrogen, dioxy
Change carbon gas or rock.
Product exit 243 is configured with the roof 241 of housing 24.In one embodiment, the position of product exit 243
It can be overlapped with center 13.Product collector is connected with product exit 243, to collect product.Product collector may include to collect
The equipment such as system 17, gas chromatograph 16.Collection system 17 and gas chromatograph 16 pass through pipeline 21 and the phase of product exit 243
Even, pressure and flow sensor 14 are additionally provided with pipeline 21.Heating process is being carried out to core 25 in such manner, it is possible to simulate
In, as the diverse location temperature of core 25 changes with time, the change of the pressure of caused product, the amount of product and its product
Qualitative change.Thus, it is possible to evaluate the yield that oil shale in-situ recovers the oil under the conditions of actual formation.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of oil shale in-situ heating oil recovery analogue means, including：
Housing, and the core in the housing is set,
The heating component heated to the core,
The multiple thermal detectors being arranged in the core, and
Product collector, it is collected product caused by the core and measures the parameter of the product.
2. device according to claim 1, it is characterised in that the core is cylinder and is vertically situated at described
Enclosure interior, the heating component are vertically inserted into the inside to identical precalculated position of the core, the precalculated position
Top surface and bottom surface away from the core.
3. device according to claim 2, it is characterised in that the heating component includes the multiple heaters of identical, from
From the point of view of the circular axial end face of the core, the multiple heater be uniformly distributed in one using the cylindrical center of circle as
On the heater circle in the center of circle.
4. device according to claim 3, it is characterised in that the circular shaft of the radius and the core of the heater circle
The ratio between radius to end face is 1:100 to 1:Between 30.
5. the device according to claim 3 or 4, it is characterised in that described from the point of view of the circular axial end face of the core
Multiple thermal detectors are arranged in using the cylindrical center of circle as on multiple thermal detector concentric circles in the center of circle, and in each thermometric
Multiple thermal detectors on device concentric circles are uniformly distributed.
6. device according to claim 5, it is characterised in that be disposed with least three thermometrics on each thermal detector circle
Device,
Wherein, at least one thermal detector extends proximate to the top surface of the core, and at least one thermal detector extends proximate to described
The bottom surface of core, remaining thermal detector are extended to inside the core and away from the top surface of core and the position of bottom surface.
7. device according to claim 6, it is characterised in that be disposed with each described thermal detector concentric circles identical
The thermal detector of quantity.
8. device according to claim 7, it is characterised in that the quantity of the heater is three and is arranged to equilateral
Triangle,
Three thermal detectors are provided with each in the multiple concentric circles, three thermal detectors are arranged in described
On the high line of equilateral triangle and on the extended line of the high line.
9. the device according to any one of claim 1 to 8, it is characterised in that between the core and the housing
It is provided with thermal insulation layer.
10. the device according to any one of claim 1 to 9, it is characterised in that the housing roof and bottom wall with
Gap is there are between the corresponding end-faces of the core, heat-insulated material is provided with a manner of it can change in the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685071.9A CN107762464A (en) | 2016-08-18 | 2016-08-18 | Oil shale in-situ oil recovery analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685071.9A CN107762464A (en) | 2016-08-18 | 2016-08-18 | Oil shale in-situ oil recovery analogue means |
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| Publication Number | Publication Date |
|---|---|
| CN107762464A true CN107762464A (en) | 2018-03-06 |
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ID=61261654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610685071.9A Pending CN107762464A (en) | 2016-08-18 | 2016-08-18 | Oil shale in-situ oil recovery analogue means |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171329A (en) * | 2018-10-23 | 2019-01-11 | 国家电网有限公司 | Vertical core achive keeping frame |
| CN110331968A (en) * | 2018-03-30 | 2019-10-15 | 中国石油化工股份有限公司 | Simulate the device and method of carbon dioxide dry method pressure break |
| CN112627789A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | In-situ mining simulation equipment for oil shale |
| CN113158472A (en) * | 2021-04-26 | 2021-07-23 | 西南石油大学 | Capacity calculation method and economic benefit evaluation method for oil shale in-situ heating production |
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| WO2008118904A1 (en) * | 2007-03-25 | 2008-10-02 | Jwba, Inc. | Energy efficient, low emissions shale oil recovery process |
| CN201705321U (en) * | 2010-05-10 | 2011-01-12 | 中国石油天然气股份有限公司 | Electric heating oil shale in-situ exploitation analog meter |
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| CN202673266U (en) * | 2012-04-25 | 2013-01-16 | 辽宁石油化工大学 | Experimental device for simulation of microwave heating of oil shale in real stratum situation |
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| WO2008118904A1 (en) * | 2007-03-25 | 2008-10-02 | Jwba, Inc. | Energy efficient, low emissions shale oil recovery process |
| CN201705321U (en) * | 2010-05-10 | 2011-01-12 | 中国石油天然气股份有限公司 | Electric heating oil shale in-situ exploitation analog meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331968A (en) * | 2018-03-30 | 2019-10-15 | 中国石油化工股份有限公司 | Simulate the device and method of carbon dioxide dry method pressure break |
| CN109171329A (en) * | 2018-10-23 | 2019-01-11 | 国家电网有限公司 | Vertical core achive keeping frame |
| CN112627789A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | In-situ mining simulation equipment for oil shale |
| CN113158472A (en) * | 2021-04-26 | 2021-07-23 | 西南石油大学 | Capacity calculation method and economic benefit evaluation method for oil shale in-situ heating production |
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Application publication date: 20180306 |
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