CN107762464A - Oil shale in-situ oil recovery analogue means - Google Patents

Oil shale in-situ oil recovery analogue means Download PDF

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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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CN
China
Prior art keywords
core
thermal
circle
thermal detector
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610685071.9A
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Chinese (zh)
Inventor
王益维
苏建政
龙秋莲
孟祥龙
汪友平
高媛萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
Original Assignee
China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Exploration and Production Research Institute filed Critical China Petroleum and Chemical Corp
Priority to CN201610685071.9A priority Critical patent/CN107762464A/en
Publication of CN107762464A publication Critical patent/CN107762464A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/241Enhanced 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing 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

Oil shale in-situ oil recovery analogue means
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.
CN201610685071.9A 2016-08-18 2016-08-18 Oil shale in-situ oil recovery analogue means Pending CN107762464A (en)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN107762464A true CN107762464A (en) 2018-03-06

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Cited By (3)

* Cited by examiner, † Cited by third party
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
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102261238A (en) * 2011-08-12 2011-11-30 中国石油天然气股份有限公司 Method and simulated experiment system for mining oil gas by heating underground oil shale with microwave
CN102322250A (en) * 2011-08-18 2012-01-18 中国石油天然气股份有限公司 Gas injection aided electric heating oil shale in-situ exploitation simulating device and system
CN202560194U (en) * 2011-08-12 2012-11-28 中国石油天然气股份有限公司 Simulation experiment system exploiting oil gas by heating underground oil shale through microwaves
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102261238A (en) * 2011-08-12 2011-11-30 中国石油天然气股份有限公司 Method and simulated experiment system for mining oil gas by heating underground oil shale with microwave
CN202560194U (en) * 2011-08-12 2012-11-28 中国石油天然气股份有限公司 Simulation experiment system exploiting oil gas by heating underground oil shale through microwaves
CN102322250A (en) * 2011-08-18 2012-01-18 中国石油天然气股份有限公司 Gas injection aided electric heating oil shale in-situ exploitation simulating device and system
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
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