CN201705321U - Electric heating oil shale in-situ exploitation analog meter - Google Patents

Electric heating oil shale in-situ exploitation analog meter Download PDF

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Publication number
CN201705321U
CN201705321U CN2010201904890U CN201020190489U CN201705321U CN 201705321 U CN201705321 U CN 201705321U CN 2010201904890 U CN2010201904890 U CN 2010201904890U CN 201020190489 U CN201020190489 U CN 201020190489U CN 201705321 U CN201705321 U CN 201705321U
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China
Prior art keywords
oil shale
cover
gas
hydraulic press
fixed
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Expired - Lifetime
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CN2010201904890U
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Chinese (zh)
Inventor
方朝合
郑德温
薛华庆
葛稚新
李小龙
王红岩
刘洪林
姚建军
闫刚
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN2010201904890U priority Critical patent/CN201705321U/en
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Publication of CN201705321U publication Critical patent/CN201705321U/en
Anticipated expiration legal-status Critical
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Abstract

An electric heating oil shale in-situ exploitation analog meter is applied to analog tests of oilfield oil shale and mainly consists of a computer processing system, an in-situ exploitation analog system and a collection measuring system. The in-situ exploitation analog system comprises a hydraulic machine and a dry distillation agitated reactor. The dry distillation agitated reactor structurally includes an upper seal head fixed at the upper end of a barrel. An electric heating tube penetrates through a center hole of the upper seal head, and a temperature-measuring probe penetrates through two symmetrical holes and is fixed therein. An upper press ring and an upper press head are arranged on an upper end surface of the upper seal head. A lower seal head is disposed in the lower end of the barrel, and a filter through plate and a filter screen are arranged on an upper plane of the lower seal head. Two symmetrically distributed oil and gas outlet holes are disposed on the lower seal head. A lower sealing gland and a lower sealing assembly are arranged on the outer wall of the lower end of the lower seal head. The electric heating oil shale in-situ exploitation analog meter has the advantages that the analog meter realizes corresponding axial pressure application and heating experiments according to core original burial depth pressure conditions, and can research temperature field distribution regularity, oil yield, heat conduction regularity and thermal fracture regularity of oil shale.

Description

Electric oil shale original position exploitation analog meter
Technical field
The utility model relates to the oilfield exploitation technical field, being particularly related to a kind of oil shale analogue experiment installation of special use, is a kind of oil shale original position exploitation simulation system, indoor test device of control and data acquisition processing system, product collection and metering system, peripheral auxiliary equipment composition automatically of comprising.Utilize this experimental facilities to test the oil shale rock core, the simulate formation destructive distillation is the original position exploitation method, discloses the percolation law of subterranean oil shale thermal fracture, conduction of heat rule and shale oil, for the exploitation of oil shale original position provides the data basis.
Background technology
Oil shale is deposited on deep under ground mostly, through physics chemical action such as diagenesis and volatile substance scatter and disappear, becomes oil shale layer, and the means by low temperature distillation can obtain shale oil from oil shale.Utilize the method exploitation oil shale resources of underground original position heating to improve the resources development and utilization rate, and reduce in recovery process destruction ecological environment.In the recovery process, the geological conditions of grasping conduction of heat rule, percolation law and the original position exploitation adaptation of subterranean oil shale is vital in position, and oil shale original position exploitation simulator is to provide unique instrument of data for carrying out these researchs.Therefore, oil shale original position exploitation simulator is especially important in the oil shale exploitation is beneficial to.
At present, oil shale retorting both at home and abroad mainly contains the gentle body heat support methods of solid thermal carriers.Solid thermal carriers be between solid by heat conducting mode, heat is passed to cryogenic object from high temp objects.Gas heat carrier is to feed high-temperature steam in heating object, is the heating means of carrier with gas.Two kinds of heating means carrier differences, but all be to heat in the mode of conducting heat, intensification situation, heat transmission effect are one of principal elements that needs examination.
At present, there are companies such as shell and Sven-Gan Eriksson Mobil in the company that carries out oil shale original position exploitation analog study in the world.The analogue means of Shell Co. Ltd's development adopts electrical heating method, heating wire is wrapped in the oil shale heart outside heats, and does not have simulated formation stress situation; The analogue means of Sven-Gan Eriksson XOM development, the petroleum coke after oil shale inside adds calcining from the inner heating of oil shale, and are established spring assembly simulated formation pressure as conducting medium bottom the oil shale heart.More than two cover apparatus structures simple relatively, ply stress simulation or accuracy are not high scantily.
The utility model content
The purpose of this utility model is: a kind of electric oil shale original position exploitation analog meter is provided, can finishes oil shale in the pyrolytic reaction that applies under the axial compression situation.The heating of employing electrically heated rod with hydraulic press simulated formation pressure, by many point for measuring temperature monitoring heat-transfer effects, is examined or check important parameters such as conduction of heat, permeability and oil yield simultaneously.Overcome the shortcoming that existing oil shale rock core heater can not apply axial compression.
The technical solution adopted in the utility model is: electric oil shale original position exploitation analog meter, mainly form by computer processing system, original position exploitation simulation system and collection measuring system three parts.Wherein computer acquisition treatment system comprises the Input/Output Device of computer data process software and signal, and computer connects the signal Input/Output Device; Collect measuring system and comprise oil guide pipe, condenser, gas flowmeter, gas-liquid separator and electronic balance.The oil guide pipe lower end connects condenser inlet, and condensator outlet connects the gas-liquid separator inlet, and the gas outlet of gas-liquid separator connects gas flowmeter, and there is electronic balance the liquid outlet below of gas-liquid separator, and lubricating cup is arranged on the electronic balance.It is characterized in that: original position exploitation simulation system comprises hydraulic press and dry distillation reactor still.Hydraulic press has hydraulic press top end and hydraulic press knock-pin, and the hydraulic press top end is fixed on the cross bar bottom, and there is defeated bar at the two ends of cross bar and is fixed on the base.The hydraulic press top end is relative with the hydraulic press knock-pin.The hydraulic press maximum pressure is 100KN.The dry distillation reactor still comprises seaming chuck, upper press ring, upward plate, screen pack, temperature probe, electrothermal tube and electrothermal tube sealing mat are led in insulation layer, upper cover, cylindrical shell, semi-open type muff, low head, lower seal group, lower seal gland, fuel-displaced gas port, oil guide pipe, filtration.Upper end at cylindrical shell is fixed with upper cover.Porose at the upper cover center, electrothermal tube passes the upper cover centre bore, has the electrothermal tube sealing mat that electrothermal tube is fixed in the upper cover centre bore between electrothermal tube and upper cover.Two symmetrical holes are arranged on upper cover, and temperature probe passes two symmetrical holes and is fixed in the hole.On the upper surface of upper cover, be fixed with upper press ring, insulation layer in upper press ring, having.At the top of upper press ring annular seaming chuck is arranged.In inside, cylindrical shell lower end cylindrical low head is arranged, the last plane of low head has filters logical plate and screen pack.The axial hole that two symmetrical distributions are arranged on low head, axial hole are fuel-displaced gas ports.On the outer wall of low head lower end, be fixed with the lower seal gland, in the annular space between cylinder inboard wall and lower seal gland outer wall the lower seal group arranged.The oil guide pipe upper end is connected with two fuel-displaced gas ports of low head.
The semi-open type muff is arranged on the outer wall of cylindrical shell.
Described cylinder internal diameter 10cm.
The use of summary electric oil shale original position exploitation analog meter.Consult Fig. 1, the oil shale sample is processed into the cylinder of diameter 10cm, high 20cm, drill through bottoming hole and temperature exploration hole at the top of cylinder oil shale, then sample is packed in the cylindrical shell 5, low head 7 that has seal member and the upper cover 4 that electrothermal tube 15, temperature probe 14 and seal member are installed are installed, last insulation layer 3 and semi-open type muff 6 are installed, power line and output line on electrothermal tube 15 and the temperature probe 14 are drawn, output line links to each other with computer processing system, and electrothermal tube 15 links to each other with power supply.Install seaming chuck 1 additional.Consult Fig. 2.After finishing the installation of dry distillation reactor still, dry distillation reactor still 23 is placed on the hydraulic press 24, hydraulic press top end 17 contacts with the seaming chuck 1 of dry distillation reactor still 23, and hydraulic press knock-pin 18 is relative with low head 7.Consult Fig. 1.Fuel-displaced gas port 10 is connected with the oil guide pipe 11 of collecting measuring system, collecting measuring system is connected with computer, experiment gained data are sent to computer processing system by data wire, utilize hydraulic press to pressurize with simulated formation pressure, connect heating tube 15 power supplys sample is heated to sample.The utility model can carry out pyrolysis to the oil shale of the Different Strata degree of depth and produce the oil gas experiment, can more truly study distribution law of temperature field, oil yield, rock fever propagation law and thermal fracture rule in the oil shale original position recovery process by the simulation experiment study of this device.Temperature probe 14 is mainly used to detect the oil shale variation of temperature, filter element (filter logical plate 12, screen pack 13) is mainly used in and stops that big oil shale particle enters fuel-displaced gas port and stops up, and seal member (electrothermal tube sealing mat 16 and lower seal group 8) is used to stop the oil gas of generation to leak without the gas outlet.
Feature of the present utility model is an original position exploitation simulation system, the structure of dry distillation reactor still is that sealed cylinder is arranged in the insulation layer in this system, after monoblock oil shale rock core put into sealed cylinder, rock core is applied under the situation of axial compression, utilize electric heating tube that oil shale is heated at hydraulic press.The utility model utilizes hydraulic press that rock core is heated under the effect of axial compression, by applying the true pressure that different axial compressions comes the simulate formation different depth, along with the rising of temperature produces oil gas to oil shale pyrolysis, also some cracks can be produced simultaneously, distribution law of temperature field, oil yield, rock fever propagation law and thermal fracture rule in the oil shale original position recovery process can be more truly studied by the simulation experiment study of this device.
The beneficial effects of the utility model: the utility model electric oil shale original position exploitation analog meter, the monoblock rock core that fetch in the field is put into cylindrical shell, after the cylindrical shell sealing, the buried depth pressure condition original according to rock core applies corresponding axial compression, heat experiment, can study distribution law of temperature field, oil yield, conduction of heat rule and the thermal fracture rule of oil shale.Simulation under the Different Strata condition, the distribution law of temperature field and the fuel-displaced rule of destructive distillation of oil shale retorting test; Research Different Strata oil shale conduction of heat rule parameters needed and experimental data can be provided; Oil shale fracture development situation under different pressures and the temperature can be provided.
Description of drawings
Fig. 1 is the original position exploitation simulation system of the utility model electric oil shale original position exploitation analog meter and collects the measuring system connection diagram.
Fig. 2 is that dry distillation reactor still 23 is installed in the schematic diagram on the hydraulic press 24.
Among the figure, 1. seaming chuck; 2. upper press ring; 3. go up insulation layer; 4. upper cover; 5. cylindrical shell; 6. semi-open type muff; 7. low head; 8. lower seal group; 9. lower seal gland; 10. fuel-displaced gas port; 11. oil guide pipe; 12. filter logical plate; 13. screen pack; 14. temperature probe; 15. electrothermal tube; 16. electrothermal tube sealing mat; 17. hydraulic press top end; 18. hydraulic press knock-pin; 19. condenser; 20. gas flowmeter; 21. gas-liquid separator; 22. electronic balance; 23. dry distillation reactor still; 24. hydraulic press.
The specific embodiment
Embodiment 1: with an electric oil shale original position exploitation analog meter is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model electric oil shale original position exploitation analog meter mainly is made up of computer processing system, original position exploitation simulation system and collection measuring system three parts.Wherein computer acquisition treatment system comprises the Input/Output Device of computer data process software and signal, and computer connects the signal Input/Output Device.The collection measuring system comprises oil guide pipe 11, condenser 19, gas flowmeter 20, gas-liquid separator 21 and electronic balance 22.Oil guide pipe 11 lower ends connect condenser 19 inlets, and condenser 19 outlets connect gas-liquid separator 21 inlets, and the gas outlet of gas-liquid separator 21 connects gas flowmeter 20, and there is electronic balance 22 the liquid outlet below of gas-liquid separator 21, on the electronic balance 22 lubricating cup is arranged.
Consult Fig. 2.Original position exploitation simulation system comprises hydraulic press 24 and dry distillation reactor still 23.24 1 in hydraulic press has hydraulic press top end 17 and a hydraulic press knock-pin 18, and hydraulic press top end 17 is fixed on the cross bar bottom, and there is defeated bar at the two ends of cross bar and is fixed on the base.Hydraulic press top end 17 is relative with hydraulic press knock-pin 18.Hydraulic press 24 maximum pressures are 100KN.
Consult Fig. 1.Dry distillation reactor still 23 comprises seaming chuck 1, upper press ring 2, upward plate 12, screen pack 13, temperature probe 14, electrothermal tube 15 and electrothermal tube sealing mat 16 are led in insulation layer 3, upper cover 4, cylindrical shell 5, semi-open type muff 6, low head 7, lower seal group 8, lower seal gland 9, fuel-displaced gas port 10, oil guide pipe 11, filtration.Cylindrical shell 5 is cylindric, internal diameter 10cm.Be fixed with upper cover 4 in the upper end of cylindrical shell 5.Porose at upper cover 4 centers, electrothermal tube 15 passes upper cover 4 centre bores, has electrothermal tube sealing mat 16 that electrothermal tube 15 is fixed in upper cover 4 centre bores between electrothermal tube 15 and upper cover 4.Two symmetrical holes are arranged on upper cover 4, and two pitch-rows are from being 65mm.Temperature probe 14 passes two symmetrical holes and is fixed in the hole.On the upper surface of upper cover 4, be fixed with upper press ring 2, insulation layer 3 in upper press ring 2, having.Annular seaming chuck 1 is arranged at the top of upper press ring 2.In inside, cylindrical shell 5 lower end cylindrical low head 7 is arranged, the last plane of low head 7 has filters logical plate 12 and screen pack 13.The axial hole that two symmetrical distributions are arranged on low head 7, axial hole are fuel-displaced gas ports 10.On low head 7 lower end outer walls, be fixed with lower seal gland 9, in the annular space between cylindrical shell 5 inwalls and lower seal gland 9 outer walls lower seal group 8 arranged.Oil guide pipe 11 upper ends are connected with two fuel-displaced gas ports 10 of low head 7.A semi-open type muff 6 is arranged on the outer wall of cylindrical shell 5.
Core innovation and creation point of the present utility model is the dry distillation reactor still 23 in the original position exploitation simulation system.Computer processing system, the hydraulic press of collecting in measuring system and the original position exploitation simulation system do not belong to category of the present utility model, are not described in detail.The process that operation the utility model experimentizes, on-the-spot staff can finish according to experiment rules and operating procedure, is not described in detail.

Claims (3)

1. an electric oil shale original position is exploited analog meter, mainly form by computer processing system, original position exploitation simulation system and collection measuring system three parts, wherein computer acquisition treatment system comprises the Input/Output Device of computer data process software and signal, and computer connects the signal Input/Output Device; Collect measuring system and comprise oil guide pipe (11), condenser (19), gas flowmeter (20), gas-liquid separator (21) and electronic balance (22), oil guide pipe (11) lower end connects condenser (19) inlet, condenser (19) outlet connects gas-liquid separator (21) inlet, the gas outlet of gas-liquid separator (21) connects gas flowmeter (20), there is electronic balance (22) the liquid outlet below of gas-liquid separator (21), electronic balance has lubricating cup on (22), it is characterized in that: original position exploitation simulation system comprises hydraulic press (24) and dry distillation reactor still (23), hydraulic press (24) has hydraulic press top end (17) and hydraulic press knock-pin (18), hydraulic press top end (17) is fixed on the cross bar bottom, there is defeated bar at the two ends of cross bar and is fixed on the base, and hydraulic press top end (17) is relative with hydraulic press knock-pin (18); Dry distillation reactor still (23) comprises seaming chuck (1), upper press ring (2), last insulation layer (3), upper cover (4), cylindrical shell (5), low head (7), lower seal group (8), lower seal gland (9), fuel-displaced gas port (10), oil guide pipe (11), filter logical plate (12), screen pack (13), temperature probe (14), electrothermal tube (15) and electrothermal tube sealing mat (16), be fixed with upper cover (4) in the upper end of cylindrical shell (5), porose at upper cover (4) center, electrothermal tube (15) passes upper cover (4) centre bore, between electrothermal tube (15) and upper cover (4), there is electrothermal tube sealing mat (16) that electrothermal tube (15) is fixed in upper cover (4) centre bore, two symmetrical holes are arranged on upper cover (4), temperature probe (14) passes two symmetrical holes and is fixed in the hole, on the upper surface of upper cover (4), be fixed with upper press ring (2), last insulation layer (3) is arranged in upper press ring (2), at the top of upper press ring (2) annular seaming chuck (1) is arranged, in cylindrical shell (5) inside, lower end cylindrical low head (7) is arranged, the last plane of low head (7) has filters logical plate (12) and screen pack (13), the axial hole that two symmetrical distributions are arranged on low head (7), axial hole is fuel-displaced gas port (10), on the outer wall of low head (7) lower end, be fixed with lower seal gland (9), in the annular space between cylindrical shell (5) inwall and lower seal gland (9) outer wall lower seal group (8) arranged; Oil guide pipe (11) upper end is connected with two fuel-displaced gas ports (10) of low head (7).
2. electric oil shale original position exploitation analog meter according to claim 1 is characterized in that: semi-open type muff (6) is arranged on the outer wall of cylindrical shell (5).
3. electric oil shale original position exploitation analog meter according to claim 1 and 2 is characterized in that: described cylindrical shell (5) internal diameter 10cm.
CN2010201904890U 2010-05-10 2010-05-10 Electric heating oil shale in-situ exploitation analog meter Expired - Lifetime CN201705321U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103321623A (en) * 2013-06-17 2013-09-25 吉林大学 Simulating chamber for heating oil shale underground in situ
CN103590821A (en) * 2012-08-16 2014-02-19 中国石油化工股份有限公司 Device and method for petroleum entrapment simulation experiment
CN104849172A (en) * 2014-02-18 2015-08-19 中国石油化工股份有限公司 Oil shale oil content test experiment apparatus and test method thereof
CN105158078A (en) * 2015-09-25 2015-12-16 中国石油天然气集团公司 Triaxial core loading testing device
CN106568621A (en) * 2016-10-11 2017-04-19 中国石油大学(北京) Production method of physical die rock core for simulating deep high pressure reservoir
CN106640009A (en) * 2015-11-02 2017-05-10 中国石油化工股份有限公司 Experiment system and experiment method used for simulating oil shale home position dry distillation exploitation
CN107524439A (en) * 2017-08-11 2017-12-29 中国石油大学(北京) The Forecasting Methodology and device of marine facies shale formation cracking depth
CN107762464A (en) * 2016-08-18 2018-03-06 中国石油化工股份有限公司 Oil shale in-situ oil recovery analogue means
CN109001074A (en) * 2018-06-06 2018-12-14 辽宁工程技术大学 A kind of solar heat pipe heating Desorption And Seepage of Coalbed Methane experimental provision
CN111537697A (en) * 2020-05-12 2020-08-14 西南石油大学 Indoor simulation device and method for supercritical water and shale reaction

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103590821B (en) * 2012-08-16 2016-01-20 中国石油化工股份有限公司 A kind of reservoir forming modeling experimental facilities and method
CN103590821A (en) * 2012-08-16 2014-02-19 中国石油化工股份有限公司 Device and method for petroleum entrapment simulation experiment
CN103321623A (en) * 2013-06-17 2013-09-25 吉林大学 Simulating chamber for heating oil shale underground in situ
CN103321623B (en) * 2013-06-17 2015-09-23 吉林大学 Oil shale underground in situ heating simulation chamber
CN104849172A (en) * 2014-02-18 2015-08-19 中国石油化工股份有限公司 Oil shale oil content test experiment apparatus and test method thereof
CN104849172B (en) * 2014-02-18 2017-08-04 中国石油化工股份有限公司 Oil content of oil shale experimental apparatus for testing and its method of testing
CN105158078B (en) * 2015-09-25 2018-08-10 中国石油天然气集团公司 Triaxial core loading test device
CN105158078A (en) * 2015-09-25 2015-12-16 中国石油天然气集团公司 Triaxial core loading testing device
CN106640009B (en) * 2015-11-02 2019-06-18 中国石油化工股份有限公司 For simulating the experimental system and experimental method of oil shale in-situ destructive distillation exploitation
CN106640009A (en) * 2015-11-02 2017-05-10 中国石油化工股份有限公司 Experiment system and experiment method used for simulating oil shale home position dry distillation exploitation
CN107762464A (en) * 2016-08-18 2018-03-06 中国石油化工股份有限公司 Oil shale in-situ oil recovery analogue means
CN106568621A (en) * 2016-10-11 2017-04-19 中国石油大学(北京) Production method of physical die rock core for simulating deep high pressure reservoir
CN107524439A (en) * 2017-08-11 2017-12-29 中国石油大学(北京) The Forecasting Methodology and device of marine facies shale formation cracking depth
CN109001074A (en) * 2018-06-06 2018-12-14 辽宁工程技术大学 A kind of solar heat pipe heating Desorption And Seepage of Coalbed Methane experimental provision
CN109001074B (en) * 2018-06-06 2020-12-25 辽宁工程技术大学 Solar heat pipe heating coal bed gas desorption seepage experimental apparatus
CN111537697A (en) * 2020-05-12 2020-08-14 西南石油大学 Indoor simulation device and method for supercritical water and shale reaction

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