CN111610267A - Shale oil content and fine component synchronous experimental analysis device - Google Patents
Shale oil content and fine component synchronous experimental analysis device Download PDFInfo
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- CN111610267A CN111610267A CN202010480232.7A CN202010480232A CN111610267A CN 111610267 A CN111610267 A CN 111610267A CN 202010480232 A CN202010480232 A CN 202010480232A CN 111610267 A CN111610267 A CN 111610267A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/12—Preparation by evaporation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/12—Preparation by evaporation
- G01N2030/125—Preparation by evaporation pyrolising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
- G01N2030/201—Injection using a sampling valve multiport valves, i.e. having more than two ports
Abstract
The invention relates to a synchronous experimental analysis device for oil content and fine components of shale. Mainly solved the problem that current this type of experimental apparatus lacks. The method is characterized in that: the experimental device comprises an oil content detection unit, a trapping and heat releasing unit, a fine component detection unit and an oil content and fine component synchronous analysis control unit. The experimental device adopts a sample injector to place a quantitative shale sample in a pyrolysis furnace for heating pyrolysis, and one path of hydrocarbons enters an FID detector through a quantitative splitter to detect the oil content; the other path of the oil-gas mixture enters a collecting pipe for freezing and enrichment, the reheated heat is released to enter an analysis column for separation, an FID detector is used for detecting fine components, synchronous analysis of oil contents of shale and rock or the content of any segmented fractions and fine molecular components of the shale and rock is automatically completed, the oil-gas mixture is used for oil source comparison research, and a new geological experiment means is provided for optimization and formation mechanism research of shale oil and compact oil dessert so as to meet the requirements of unconventional oil-gas exploration on geological experiment technology.
Description
Technical Field
The invention relates to an oil-gas geological experiment, in particular to a synchronous experimental analysis device for oil content and fine components of shale, and belongs to the field of unconventional oil-gas exploration.
Background
In recent years, unconventional oil and gas resources such as compact sandstone oil (compact oil for short), shale oil, compact conglomerate gas (compact gas for short), shale gas and the like are developed on a large scale, and the global oil industry is promoted to enter a new stage of overlapping conventional and unconventional oil and gas resources. The shale reservoir stratum 'quadriversal' (reservoir, oil-bearing, fluidity and compressibility) evaluation is important research content and basis of unconventional oil and gas exploration and development, while the oil-bearing and fluidity evaluation is the key of the exploration and development and has important significance for realizing the unconventional reservoir stratum quality evaluation, the reservoir and source reservoir configuration relation research, and optimizing shale oil 'dessert' and other exploration and development.
The evaluation method of the oil content of shale oil and compact oil reservoirs is reported in literature, and is referred to as ' rock pyrolysis analysis ' such as Wu Li (1), Zhang Zheng Ling, Li bin and the like (national standard GB/T18602 one 2012 of the people's republic of China, 7 months and 1 day 2013); (2) "petroleum and deposited organic matter hydrocarbon gas chromatography analysis methods" of Shatingrong, Li, Zhang He, etc. (China's republic of China petroleum and gas industry standard SY/T5779 one-year 2008, 12 months and 1 day 2008); (3) "the control law of the material components of the depressed shale oil reservoir on the oil content" (oil and gas geology and recovery ratio, 1 st phase in 2019) such as Tenebin, Liuhuimin and Qiongwei; (4) nintendo, wenyi hua, zheng lei and the like "pre-stack inverted tight sandstone reservoir prediction and oil-gas bearing detection" (Tu ha oil gas, stage 1 of 2012); (5) the zhangjin "shale oil well logging evaluation method and its applications" (geophysical progress, 3 rd stage 2012); (6) plum blossom, Prunus mume, a "quantitative evaluation and prediction of oil content of Dongying depressed lithologic oil and gas reservoir" (oil and gas geology and recovery ratio, 3 rd stage 2006), and the like. The (1) adopts ROCK-EVAL 6 type produced by Wanqi France company or 'crude oil ROCK evaluation instrument' produced by domestic manufacturers to detect parameters such as ROCK pyrolysis S1, S2, Tmax and the like, and evaluates the oil content of the reservoir and shale; analyzing saturated hydrocarbon, aromatic hydrocarbon and crude oil full hydrocarbon components and parameters in the rock chloroform extract by adopting a gas chromatography, and evaluating the types, maturity, oil-containing characteristics and the like of crude oil and deposited organic matter matrixes; performing crude oil occurrence state and substance component analysis on shale oil reservoirs of upper sub-section of the four-depression-in-sand section and lower sub-section of the three-depression-in-sand section by adopting a petrology and geochemistry analysis means, wherein the analysis technology comprises shale oil fluorescent sheet characteristics and scanning electron microscope occurrence state analysis technology; the step (4) adopts the integrated technology of seismic data amplitude preservation processing and prestack inversion to predict the oil-gas content of the compact and shale reservoir, which is usually the oil-gas content evaluation on the macroscopic scale; the oil content evaluation of shale oil is carried out by utilizing the logging method, and because the storage space of a compact reservoir is small, the oil and gas information detected by the logging technology is weak, and the oil content evaluation difficulty is high; and (6) establishing a quantitative prediction model of the oil content of the lithologic trap by adopting a mathematical geology method of stepwise regression and variable elimination. However, the experimental analysis instruments and techniques at home and abroad can only realize the analysis of the oil content or hydrocarbon components of the shale and the tight sandstone, but cannot realize the synchronous experimental analysis of the oil content and the fine hydrocarbon components thereof, thereby restricting the accurate evaluation of the oil content and the fluidity of the tight reservoir.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the problem that the existing experimental analysis instrument and method in the background art can only measure the oil content or molecular composition of the shale but cannot synchronously measure the oil content or molecular composition of the shale, and provide the synchronous experimental analysis device for the oil content and fine composition of the shale.
The invention can solve the problems by the following technical scheme: the shale oil content and fine component synchronous experimental analysis device comprises an oil content detection unit 1, a trapping and heat releasing unit 2, a fine component detection unit 3 and an oil content and fine component synchronous analysis control unit 4;
the synchronous analysis control unit 4 comprises an analysis control and data processor and a chemical workstation 47, wherein the analysis control and data processor and chemical workstation 47 is sequentially connected with a six-way valve controller b46, an electromagnetic valve controller 45, a trapping and heat-trap controller 44, a six-way valve controller a43, a negative pressure pump 42, a pyrolysis furnace controller 41 and a sample injection controller 40;
the oil content detection unit 1 comprises a sample injector 10, a pyrolysis furnace 11, a quantitative flow divider 12 and an FID detector a13, wherein the sample injector 10, the pyrolysis furnace 11, the quantitative flow divider 12 and the FID detector a13 are communicated through a pressure-resistant pipeline in sequence; one path of the FID detector 13 is connected with an electronic flowmeter a14, a pressure stabilizing valve a15 and an air pipeline through pressure-resistant pipelines, and the other path of the FID detector is connected with an electronic flowmeter b16, a pressure stabilizing valve b17 and a hydrogen pipeline; the sample inlet end of the sample injector 10 is connected with an electronic flow meter c18, a pressure stabilizing valve c19 and a gas carrying pipeline;
one end of an electronic flowmeter d26 used for trapping by the trapping and heat releasing unit 2 is connected with the quantitative flow divider 12 of the oil content detecting unit 1 through a pressure-resistant pipeline, and the other end is connected with a six-way valve a20, an electromagnetic valve 21, a trapping pipe 22, a six-way valve a20, an electronic flowmeter e27 and a negative pressure pump 42 of the synchronous analysis control unit 4 through a pressure-resistant pipeline; one end of an electronic flowmeter d26 during heat release is connected with the quantitative flow divider 12 of the oil content detection unit 1 through a pressure-resistant pipeline, and the other end is connected with the six-way valve a20, the electromagnetic valve 21, the collecting pipe 22, the six-way valve a20, the six-way valve b25 and the analysis column 30 of the fine component detection unit 3 through a pressure-resistant pipeline;
the fine component detection unit 3 comprises an analytical column 30, the sample inlet end of the analytical column 30 is connected with a six-way valve b25 of the trapping and heat releasing unit 2, and the outlet end is connected with a FID detector b 31; one path of the FID detector b31 is connected with an electronic flowmeter f32, a pressure stabilizing valve d33 and an air pipeline through pressure-resistant pipelines, and the other path is connected with an electronic flowmeter g34, a pressure stabilizing valve e35 and a hydrogen pipeline.
Compared with the background technology, the invention has the following beneficial effects:
(1) a sample injector, a pyrolysis furnace, a quantitative flow divider, an FID detector and a corresponding independent controller thereof are adopted as a kit of an oil content detection unit, the maximum pyrolysis temperature is 800 ℃, the temperature control precision is 0.1 ℃, and the measurement of the oil content of the shale or the oil content of any segmented fraction can be realized by automatic control of an analysis control and data processor and a chemical workstation;
(2) the six-way valve, the negative pressure pump, the electromagnetic valve, the collecting pipe, the cold trap, the heat release trap and the corresponding independent controllers are used as a kit of the collecting and heat release unit, the lowest freezing and collecting temperature is-196 ℃, the highest heat release temperature is 800 ℃, the temperature control precision is 0.1 ℃, and the automatic control is realized by the analysis control and data processor and the chemical workstation, so that the oil content of the shale or the collection and heat release of the oil-containing components of the optional segmented fractions can be realized;
(3) an analytical column, an FID detector and a corresponding independent controller thereof are adopted as a kit of a fine component detection unit and are automatically controlled by an analysis control and data processor and a chemical workstation, so that the fine analysis of the oil content of the shale or the oil content of any segmented fraction can be realized;
(4) the device solves the problem of synchronous experimental analysis of the oil content and the fine components of the shale and the compact reservoir, realizes full-automatic synchronous experimental analysis of the oil content and the fine components of the shale sample, is used for evaluating the oil content and the fluidity of the shale and the compact reservoir, comparing and researching oil sources and the like, can provide a new geological experimental means for optimization and formation mechanism research of unconventional shale oil and compact oil, and meets the requirements of unconventional oil and gas exploration on geological experimental technology.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure:
1-oil content detection unit, 10-sample injector, 11-pyrolysis furnace, 12-quantitative flow divider, 13-FID detector a, 14-electronic flow meter a, 16-electronic flow meter b, 18-electronic flow meter c, 15-pressure stabilizing valve a, 17-pressure stabilizing valve b, 19-pressure stabilizing valve c;
2-trapping and heat releasing unit, 20-six-way valve a, 25-six-way valve b, 21-electromagnetic valve, 22-trapping pipe, 23-cold trap, 24-heat releasing trap, 26-electronic flowmeter d, 27-electronic flowmeter e;
3-fine component detection unit, 30-analytical column, 31-FID detector b, 32-electronic flow meter f, 34-electronic flow meter g, 33-pressure maintaining valve d, 35-pressure maintaining valve e;
4-oil content and fine component synchronous analysis control unit, 40-sample injector controller, 41-pyrolysis furnace controller, 42-negative pressure pump, 43-six-way valve controller a, 46-six-way valve controller b, 44-trapping and hot-trap controller, 45-solenoid valve controller, 47-analysis control and data processor and chemical workstation.
The specific implementation mode is as follows:
the invention will be further explained below with reference to the accompanying drawings:
the device and method for analyzing the oil content and fine component synchronous experiment of shale according to the present invention will be further described in detail with reference to the accompanying drawings and specific examples:
as shown in fig. 1, the shale oil content and fine component synchronous experimental analysis device comprises an oil content detection unit 1, a capture and heat release unit 2, a fine component detection unit 3, and an oil content and fine component synchronous analysis control unit 4;
the synchronous analysis control unit 4 comprises an analysis control and data processor and a chemical workstation 47, the analysis control and data processor and the chemical workstation 47 are connected with the fine component detection unit 3 through signal lines and communication interfaces, and the analysis control and data processor and the chemical workstation 47 are further connected with a six-way valve controller b46, an electromagnetic valve controller 45, a trapping and heat-trap controller 44, a six-way valve controller a43, a negative pressure pump 42, a pyrolysis furnace controller 41 and a sample injection controller 40 in sequence.
The oil content detection unit 1 mainly comprises a sample injector 10, a pyrolysis furnace 11, a quantitative flow divider 12 and an FID detector a13, wherein the sample injector 10, the pyrolysis furnace 11, the quantitative flow divider 12 and the FID detector a13 are sequentially communicated through a pressure-resistant pipeline; one path of the FID detector 13 is connected with an electronic flowmeter a14, a pressure stabilizing valve a15 and an air pipeline through pressure-resistant pipelines, and the other path of the FID detector is connected with an electronic flowmeter b16, a pressure stabilizing valve b17 and a hydrogen pipeline; the sample inlet end of the sample injector 10 is connected with an electronic flow meter c18, a pressure stabilizing valve c19 and a gas carrying pipeline; meanwhile, the sample injector 10 and the pyrolysis furnace 11 are respectively connected with a sample injection controller 40 and a pyrolysis furnace controller 41 of the synchronous analysis control unit 4 through signal lines and communication interfaces; the other outlet of the quantitative flow divider 12 is connected with an electronic flowmeter d26 of the trapping and heat releasing unit 2 through a pressure-resistant pipeline;
one end of an electronic flowmeter d26 used for trapping by the trapping and heat releasing unit 2 is connected with the quantitative flow divider 12 of the oil content detecting unit 1 through a pressure-resistant pipeline, and the other end is connected with a six-way valve a20, an electromagnetic valve 21, a trapping pipe 22, a six-way valve a20, an electronic flowmeter e27 and a negative pressure pump 42 of the synchronous analysis control unit 4 through a pressure-resistant pipeline; one end of an electronic flowmeter d26 during heat release is connected with the quantitative flow divider 12 of the oil content detection unit 1 through a pressure-resistant pipeline, and the other end is connected with the six-way valve a20, the electromagnetic valve 21, the collecting pipe 22, the six-way valve a20, the six-way valve b25 and the analysis column 30 of the fine component detection unit 3 through a pressure-resistant pipeline; meanwhile, the six-way valve a20, the electromagnetic valve 21, the cold trap 23, the heat release trap 24 and the six-way valve b25 are respectively connected with the six-way valve controller a43, the electromagnetic valve controller 45, the trapping and heat trap controller 44 and the six-way valve controller b46 of the synchronous analysis control unit 4 through signal lines and communication interfaces.
The fine component detection unit 3 comprises an analytical column 30, the sample inlet end of the analytical column 30 is connected with a six-way valve b25 of the trapping and heat releasing unit 2, and the outlet end is connected with a FID detector b 31; one path of the FID detector b31 is connected with an electronic flowmeter f32, a pressure stabilizing valve d33 and an air pipeline through pressure resisting pipelines, and the other path of the FID detector b31 is connected with an electronic flowmeter g34, a pressure stabilizing valve e35 and a hydrogen pipeline; meanwhile, the fine component detection unit 3 is connected to the analysis control and data processor of the synchronous analysis control unit 4 and the chemical workstation 47 through signal lines and a communication interface, respectively.
The oil content detection unit 1 is connected with an electronic flowmeter d26, a six-way valve a20, an electromagnetic valve 21, a collection pipe 22 and a six-way valve b25 of the collection and heat release unit 2 through a quantitative flow divider 12, and then is connected with an analysis column 30 and a FID detector b31 of a fine component detection unit 3; meanwhile, the analysis control and data processor and chemical workstation 47 of the synchronous analysis control unit 4 are connected with the fine component detection unit 3, the six-way valve controller a43, the six-way valve controller b46, the electromagnetic valve controller 45, the trapping and hot trap controller 44, the negative pressure pump 42, the trapping and heat release unit 2, the pyrolysis furnace controller 41, the sample injector controller 40 and the oil content detection unit 1, so that the automatic control of the synchronous detection process of the oil content and the fine component of the shale is realized.
The oil content detection unit 1 mainly comprises a sample injector 10, a pyrolysis furnace 11, a quantitative flow divider 12, an FID detector a13, an electronic flow meter a14, an electronic flow meter b16, an electronic flow meter c18, a pressure stabilizing valve a15, a pressure stabilizing valve b17 and a pressure stabilizing valve c19 which correspond to each other and are communicated through a pressure resisting pipeline; the injector 10 is automatically turned off or on the pyrolysis furnace and the sample is topped or backed off by the injector controller 40 upon instructions from the analysis control and data processor and chemical workstation 47; the pyrolysis furnace 11 automatically realizes the automatic control of the temperature of the pyrolysis furnace according to the instructions given by the analysis control and data processor and the chemical workstation 47 by the pyrolysis furnace controller 41, the maximum pyrolysis temperature is 800 ℃, and the temperature control precision is 0.1 ℃; the quantitative flow divider 12 automatically realizes the quantitative flow division of the shale oil component by the negative pressure pump 42 according to the instructions given by the analysis control and data processor and the chemical workstation 47; the FID detector a13 automatically detects the oil content of shale or any fractional fraction by instructions from the analysis control and data processor and chemical workstation 47.
The trapping and heat releasing unit 2 mainly comprises a six-way valve a20, a six-way valve b25, an electromagnetic valve 21, a trapping pipe 22, a cold trap 23, a heat releasing trap 24, an electronic flowmeter d26 and an electronic flowmeter e27 which correspond to each other and are communicated through pressure-resistant pipelines; the negative pressure pump 42, the six-way valve a20, the six-way valve controller a43, the electromagnetic valve controller 45 of the electromagnetic valve 21, the cold trap 23 and the trapping and heat releasing controller 44 automatically realize the enrichment of shale oil or any fraction component in the trapping pipe according to the instructions given by the analysis control and data processor and the chemical workstation 47, and the lowest freezing and trapping temperature is-196 ℃; the six-way valve a20 is composed of a six-way valve controller a43, an electromagnetic valve controller 45 of an electromagnetic valve 21, a heat release trap 24 is composed of a trapping and heat release controller 44, a six-way valve b25 is composed of a six-way valve controller b46, and heat release of shale oil or any fraction component in the trapping pipe is automatically realized according to instructions given by an analysis control and data processor and a chemical workstation 47, wherein the maximum heat release temperature is 800 ℃, and the temperature control precision is 0.1 ℃; the six-way valve a20 is composed of a six-way valve controller a43, an electromagnetic valve controller 45 of an electromagnetic valve 21, a heat release trap 24 is composed of a trapping and heat release controller 44, a six-way valve b25 is composed of a six-way valve controller b46, and according to instructions given by an analysis control and data processor and a chemical workstation 47, heating, purification and emptying of the trapping and heat release unit 2 are automatically realized; the six-way valve b25 and the carrier gas of the trapping and heat releasing unit 2 are automatically aged and purified by the analytical column 30 of the fine constituent detecting unit 3 by the six-way valve controller b46, the analytical column 30 and the FID detector b31 according to instructions given from the analytical control and data processor and the chemical workstation 47.
The fine component detection unit 3 mainly comprises an analysis column 30, an FID detector b31, an electronic flowmeter f32, an electronic flowmeter g34, a pressure stabilizing valve d33 and a pressure stabilizing valve e35 which are correspondingly communicated through a pressure resisting pipeline; the analysis column 30 and the FID detector b31 automatically realize the separation and detection of shale oil or any fraction fine molecular components according to the instructions given by the analysis control and data processor and the chemical workstation 47;
the synchronous analysis control unit 4 mainly comprises a sample injection controller 40, a pyrolysis furnace controller 41, a negative pressure pump 42, a six-way valve controller a43, a six-way valve controller b46, a trapping and hot trap controller 44, an electromagnetic valve controller 45, an analysis control and data processor and a chemical workstation 47, which correspond to each other and are connected through a signal line and a communication interface, so that the automatic control of synchronous experimental analysis of oil content and fine components of the shale is realized, and the detection data recording and data processing are realized.
The invention provides a synchronous experimental analysis method for oil content and fine components of shale according to the synchronous experimental analysis device for oil content and fine components of shale, which comprises the following steps:
firstly, switching on carrier gas, air and hydrogen of a synchronous experimental analysis device for oil content and fine components of shale, turning on switches of all power supplies and chemical workstations, and respectively setting working and analysis parameters of the chemical workstations until all set working and analysis parameter values are reached;
step two, completely placing the enrichment pipe 22 in the cold trap 23 liquid nitrogen; milligram samples are weighed and placed in the sample injector 10.
And step three, starting analysis, starting sample detection, and automatically controlling and recording analysis data by the control and data processor and the chemical workstation 47.
It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention, and that various equivalent modifications and changes may be made thereto without departing from the scope of the present invention.
Claims (4)
1. The utility model provides a synchronous experimental analysis device of shale oil content and meticulous component which characterized in that: the device comprises an oil content detection unit (1), a trapping and heat releasing unit (2), a fine component detection unit (3) and an oil content and fine component synchronous analysis control unit (4);
the synchronous analysis control unit (4) comprises an analysis control and data processor and a chemical workstation (47), and the analysis control and data processor and the chemical workstation (47) are sequentially connected with a six-way valve controller b (46), an electromagnetic valve controller (45), a trapping and hot-trap controller (44), a six-way valve controller a (43), a negative pressure pump (42), a pyrolysis furnace controller (41) and a sample injection controller (40);
the oil content detection unit (1) comprises a sample injector (10), a pyrolysis furnace (11), a quantitative flow divider (12) and an FID detector a (13), wherein the sample injector (10), the pyrolysis furnace (11), the quantitative flow divider (12) and the FID detector a (13) are communicated through a pressure-resistant pipeline in sequence; one path of the FID detector (13) is connected with an electronic flowmeter a (14), a pressure stabilizing valve a (15) and an air pipeline through pressure-resistant pipelines, and the other path of the FID detector is connected with an electronic flowmeter b (16), a pressure stabilizing valve b (17) and a hydrogen pipeline; the sample inlet end of the sample injector (10) is connected with an electronic flowmeter c (18), a pressure stabilizing valve c (19) and a carrier gas pipeline;
one end of an electronic flowmeter d (26) used for trapping by the trapping and heat releasing unit (2) is connected with the quantitative flow divider (12) of the oil content detection unit (1) through a pressure-resistant pipeline, and the other end of the electronic flowmeter d (26) is connected with a six-way valve a (20), an electromagnetic valve (21), a trapping pipe (22), the six-way valve a (20), an electronic flowmeter e (27) and a negative pressure pump (42) of the synchronous analysis control unit (4) through a pressure-resistant pipeline; one end of an electronic flowmeter d (26) during heat release is connected with the quantitative flow divider (12) of the oil content detection unit (1) through a pressure-resistant pipeline, and the other end of the electronic flowmeter d is connected with the six-way valve a (20), the electromagnetic valve (21), the collecting pipe (22), the six-way valve a (20), the six-way valve b (25) and the analysis column (30) of the fine component detection unit (3) through the pressure-resistant pipeline;
the fine component detection unit (3) comprises an analysis column (30), the sample introduction end of the analysis column (30) is connected with a six-way valve b (25) of the trapping and heat release unit (2), and the outlet end of the analysis column is connected with a FID detector b (31); one path of the FID detector b (31) is connected with the electronic flowmeter f (32), the pressure stabilizing valve d (33) and the air pipeline through pressure-resistant pipelines, and the other path of the FID detector b (31) is connected with the electronic flowmeter g (34), the pressure stabilizing valve e (35) and the hydrogen pipeline.
2. The shale oil content and fine component synchronous experimental analysis device according to claim 1, characterized in that: the sample injector (10) and the pyrolysis furnace (11) are respectively connected with a sample injection controller (40) and a pyrolysis furnace controller (41) of the synchronous analysis control unit (4) through signal lines and communication interfaces; the other outlet of the quantitative flow divider (12) is connected with an electronic flowmeter d (26) of the trapping and heat releasing unit (2) through a pressure-resistant pipeline.
3. The shale oil content and fine component synchronous experimental analysis device according to claim 1, characterized in that: the six-way valve a (20), the electromagnetic valve (21), the cold trap (23), the heat release trap (24) and the six-way valve b (25) are respectively connected with a six-way valve controller a (43), an electromagnetic valve controller (45), a trapping and hot trap controller (44) and a six-way valve controller b (46) of the synchronous analysis control unit (4) through signal lines and communication interfaces.
4. The shale oil content and fine component synchronous experimental analysis device according to claim 1, characterized in that: the fine component detection unit (3) is respectively connected with the analysis control and data processor of the synchronous analysis control unit (4) and the chemical workstation (47) through a signal line and a communication interface.
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| CN112903737A (en) * | 2021-01-21 | 2021-06-04 | 西南石油大学 | Method for evaluating oil content of shale by utilizing pyrolysis before and after extraction |
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| CN1380548A (en) * | 2002-04-11 | 2002-11-20 | 海城市石油化工仪器厂 | Drilling mud and crumb hydrocarbon analysis method |
| CN201130172Y (en) * | 2007-07-19 | 2008-10-08 | 王志霞 | Thermal desorption instrument gasometry flow circuit apparatus |
| KR101279035B1 (en) * | 2012-12-20 | 2013-07-05 | 국방과학연구소 | Pyrolysis unit for pyrolysis apparatus for organic matter and control method thereof |
| CN104749303A (en) * | 2013-12-26 | 2015-07-01 | 中国石油化工股份有限公司 | Mud shale thermal release C5-C14 hydrocarbon preparation and online chromatographic analysis method |
| CN105651912A (en) * | 2015-12-30 | 2016-06-08 | 海城市石油化工仪器厂 | Rock pyrologger and pyrolytic analysis method |
| CN106290045A (en) * | 2016-08-29 | 2017-01-04 | 中国石油天然气股份有限公司 | Unconventional Sandstone Gas Reservoir oiliness and mobility evaluation experimental method |
| CN110095546A (en) * | 2019-05-25 | 2019-08-06 | 东北石油大学 | A kind of compact reservoir grade sample oil sources directly analyzes control methods |
| CN110361466A (en) * | 2019-06-28 | 2019-10-22 | 南京霍普斯科技有限公司 | Volatile organic contaminant on-line monitoring system and monitoring method in surrounding air |
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| CN112903737A (en) * | 2021-01-21 | 2021-06-04 | 西南石油大学 | Method for evaluating oil content of shale by utilizing pyrolysis before and after extraction |
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