CN108344721B - Hydrocarbon generation and discharge simulator for researching relationship between fluorescence color and maturity of oil inclusion - Google Patents
Hydrocarbon generation and discharge simulator for researching relationship between fluorescence color and maturity of oil inclusion Download PDFInfo
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- CN108344721B CN108344721B CN201810118715.5A CN201810118715A CN108344721B CN 108344721 B CN108344721 B CN 108344721B CN 201810118715 A CN201810118715 A CN 201810118715A CN 108344721 B CN108344721 B CN 108344721B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2823—Oils, i.e. hydrocarbon liquids raw oil, drilling fluid or polyphasic mixtures
Abstract
The application provides a hydrocarbon generation and drainage simulation device for researching the relationship between the fluorescence color of an oil inclusion and the maturity of the oil inclusion, which comprises a water tank, a hand pump, a reaction kettle, a quartz capillary tube and a water storage container, wherein a water inlet pipe of the hand pump is connected with a water outlet of the water tank, a water outlet pipe of the hand pump is connected with a water inlet of the water storage container and a water inlet of the reaction kettle, a water outlet of the water storage container is connected with the upper end of the quartz capillary tube, the reaction kettle comprises an insulating layer and a kettle body, a heater is arranged between the insulating layer and the kettle body, a drain hole is arranged at the top end of the kettle body and is communicated with the lower end of the quartz capillary tube through a first pipeline, mudstone is placed in the kettle body, water in the water tank is injected into the kettle body and the quartz capillary tube through the hand pump, the heater heats the kettle body, and after the temperature of the water in the kettle body is raised, the mudstone generates oil gas and is converged at the top end of the kettle body, and when the pressure in the quartz capillary tube is smaller than the pressure in the kettle body, the oil gas enters the quartz capillary tube through the drain hole and the first pipeline.
Description
Technical Field
The application relates to the technical field of hydrocarbon generation simulation devices, in particular to a hydrocarbon generation and discharge simulation device for researching the relationship between the fluorescence color of an oil inclusion and the maturity of the oil inclusion.
Background
The relationship between the fluorescence color and the maturity of the oil inclusion is an important precondition for the research of oil and gas reservoir formation by utilizing the oil inclusion. It is generally believed that the yellow fluorescent oil inclusion maturity is lower than the blue fluorescent oil inclusion maturity, and as the oil inclusion maturity increases, the oil inclusion fluorescent color shifts in the shortwave direction, i.e. "blue shift", and conversely "red shift". However, there has been a controversy over the relationship of oil inclusion fluorescence color to its maturity, and there has been no suggestion to date of using oil inclusion fluorescence characteristics to indicate whether inclusion oil maturity is reliable.
The fluorescent evolution of crude oil in the process of simulating the hydrocarbon source rock crude oil can indirectly verify the relationship between the fluorescent color change of the generated oil and the thermal maturity of the generated oil. Although conventional hydrocarbon generation simulation methods verify that the fluorescence color of crude oil blue shifts as maturity increases. However, the current methods have obvious drawbacks such as not taking into account pressure changes during hydrocarbon generation simulation, generating light oil loss, detecting the fluorescence color of kerogen, etc. These drawbacks result in blue fluorescent oil still not being available by conventional hydrocarbon generation simulation methods.
Disclosure of Invention
In view of the above, the application provides a hydrocarbon generation and discharge simulation device which has a simple structure and is easy to operate, and the relationship between the fluorescent color of an oil inclusion and the maturity of the oil inclusion is researched.
The application provides a hydrocarbon generation and drainage simulation device for researching the relationship between the fluorescence color of an oil inclusion and the maturity of the oil inclusion, which comprises a water tank, a hand pump, a reaction kettle, a quartz capillary tube and a water storage container, wherein a water inlet pipe of the hand pump is connected with a water outlet of the water tank, a water outlet pipe of the hand pump is connected with a water inlet of the water storage container and a water inlet of the reaction kettle, a water outlet of the water storage container is connected with the upper end of the quartz capillary tube through a second pipeline, the reaction kettle comprises a heat preservation layer and a kettle body, a heater is arranged between the heat preservation layer and the kettle body and is used for heating the kettle body, a drain hole is formed in the top end of the kettle body and is communicated with the lower end of the quartz capillary tube through a first pipeline, the kettle body is used for placing experimental mudstone, the kettle body is used for injecting water in the water tank into the kettle body and the quartz capillary tube through the hand pump, the heater is used for heating the kettle body, the kettle body is used for transmitting the temperature to the water in the kettle body, after the water in the kettle body is heated, the water in the kettle body is converged at the top end of the quartz capillary tube through a second pipeline, and when the pressure in the quartz capillary tube is smaller than the pressure difference in the kettle body, and enters the quartz capillary tube through the drain hole under the action of the pressure difference.
Further, the outlet pipe of hand pump connects first branch pipe and second branch pipe, the water inlet of water storage container is connected to the delivery port of first branch pipe, the water inlet of reation kettle is connected to the delivery port of second branch pipe, be equipped with first manometer on the first branch pipe, first manometer is used for measuring and instructing the pressure in the water storage container, be equipped with the second manometer on the second branch pipe, the second manometer is used for measuring and instructing the internal pressure of cauldron.
Further, the internal temperature probe that has placed of cauldron, temperature probe connects the second thermometer, temperature probe is used for measuring the internal temperature of cauldron to give the second thermometer with the temperature of measuring, the internal temperature of second thermometer instruction cauldron.
Further, a temperature sensor is placed on the heater and connected with a first thermometer, the temperature sensor is used for measuring the temperature of the heater and transmitting the measured temperature to the first thermometer, and the first thermometer indicates the temperature of the heater.
Further, a third pressure gauge is arranged on the second pipeline and is used for measuring and indicating the pressure in the quartz capillary tube.
Further, the heater is a resistive heater.
Further, the kettle body is of a cone structure with a narrow upper part and a wide lower part, the diameter of the lower bottom surface of the kettle body is 50cm, the height of the kettle body is 80cm, and the volume of the water storage container is 500mL.
The technical scheme provided by the application has the beneficial effects that: the hydrocarbon generation and discharge device provided by the application has the advantages of simple structure and simplicity and convenience in operation; the device provided by the application can be used for carrying out fluorescence spectrum test on the generated crude oil under a certain pressure condition on the premise of not losing the generated hydrocarbon; the device provided by the application provides convenience for researching whether the blue fluorescent oil inclusion can be directly generated in the normal hydrocarbon generation process or not and the relationship between the fluorescent color change and the thermal maturity of the hydrocarbon generation process oil.
Drawings
FIG. 1 is a schematic diagram of a hydrocarbon generation and elimination simulation device for researching the relationship between the fluorescence color of an oil inclusion and the maturity of the oil inclusion.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present application provides a hydrocarbon generation and drainage simulation device for researching the relationship between the fluorescence color of an oil inclusion and the maturity thereof, which comprises a water tank 1, a hand pump 2, a reaction kettle 3, a quartz capillary 4 and a water storage container 5, wherein a water inlet pipe 21 of the hand pump 2 is connected with a water outlet of the water tank 1, a water outlet pipe 22 of the hand pump 2 is connected with a first branch pipe 221 and a second branch pipe 222, a water outlet of the first branch pipe 221 is connected with a water inlet of the water storage container 5, a water outlet of the second branch pipe 222 is connected with a water inlet of the reaction kettle 3, water in the water tank 1 can be injected into the water storage container 5 and the reaction kettle 3 through the hand pump 2, a water outlet of the water storage container 5 is connected with the upper end of the quartz capillary 4 through a second pipeline 51, the reaction kettle 3 comprises a heat preservation layer 31 and a kettle body 32, the heat preservation layer 31 is used for preserving the kettle body 32, a heater 33 is arranged between the heat preservation layer 31 and the kettle body 32, the heater 33 is used for heating the kettle body 32, a temperature sensor 34 is arranged on the heater 33, the temperature sensor 34 is connected with the first temperature meter 35, the temperature sensor 34 is used for measuring the temperature of the heater 33, and the temperature measured by the temperature sensor 33 is used for measuring the temperature of the heater 33, and the first temperature meter 35 is transmitted to the first temperature meter 35; in one embodiment, the heater 33 is a resistive heater, the water storage container 5 has a volume of 500mL, and the reaction vessel 3 is a high-temperature high-pressure stainless steel reaction vessel.
The shape of the kettle body 32 is a cone structure with a narrow upper part and a wide lower part, the inside of the kettle body 32 is of a hollow structure, the top end of the kettle body 32 is provided with a liquid discharge hole 321, the liquid discharge hole 321 is communicated with the lower end of the quartz capillary 4 through a first pipeline 41, a temperature measurement probe 322 is placed in the kettle body 32, the temperature measurement probe 322 is connected with a second thermometer 323, the temperature measurement probe 322 is used for measuring the temperature in the kettle body 32 and transmitting the measured temperature to the second thermometer 323, and then the second thermometer 323 indicates the temperature in the kettle body 32; in one embodiment, the diameter of the bottom surface of the kettle body 32 is 50cm, and the height of the kettle body 32 is 80cm.
The water inlet pipe 21 is provided with a first valve 211, the first branch pipe 221 is provided with a second valve 2211 and a first pressure gauge 2212, the first pressure gauge 2212 is used for measuring and indicating the pressure in the water storage container 5, the second branch pipe 222 is provided with a third valve 2221 and a second pressure gauge 2222, the second pressure gauge 2222 is used for measuring and indicating the pressure in the kettle body 32, the first pipeline 41 is provided with a fourth valve 411, the second pipeline 51 is provided with a fifth valve 511 and a third pressure gauge 512, and the third pressure gauge 512 is used for measuring and indicating the pressure in the quartz capillary 4.
When the device provided by the application is used for simulating a hydrocarbon generation and drainage process, the experimental blocky mudstone 7 is placed into the kettle body 32, the first valve 211 and the third valve 2221 are opened, the hand pump 2 is rocked to fill the kettle body 32 with water, after the water is filled into the kettle body 32, the pressure in the kettle body 32 is enhanced, the kettle body 32 is heated by the heater 33, the temperature of the kettle body 32 is raised, the temperature is transferred to the water in the kettle body 32, the mudstone 7 generates oil gas after the temperature of the water in the kettle body 32 is raised, the oil gas is lifted and gathered at the top end of the kettle body 32 under the action of the buoyancy of the water, the second valve 2211 and the fifth valve 511 are opened when the oil gas is acquired, the hand pump 2 is rocked to fill the water in the water storage container 5 through the second pipeline 51 into the quartz capillary 4, the quartz capillary 4 is filled with water 411, the pressure in the quartz capillary 4 is enhanced after the water is filled, the water in the quartz capillary 4 is controlled, the water level in the water storage container 5 is controlled to enable the reading of the third pressure gauge 512 to be smaller than the reading of the second pressure gauge 411, namely the pressure in the quartz capillary 4 is smaller than the pressure in the kettle body 32, the pressure in the quartz capillary 4 is opened, the fourth valve 321 is opened, the pressure difference is used for draining the oil gas in the quartz capillary 4, and the oil gas is discharged through the fourth valve 4, and the fluorescent tube 4 is discharged under the action of the buoyancy of the pressure, and the fluorescent capillary tube 4 is closed, and the fluorescent tube is completely unloaded, after the oil gas is completely discharged, and the fluorescent tube 4 is completely discharged.
By heating the tank 32 to different temperatures by the heater 33, a relationship between the fluorescence characteristic of the discharged oil and the heating temperature under different temperature conditions can be obtained.
The hydrocarbon generation and discharge device provided by the application has the advantages of simple structure and simplicity and convenience in operation; the device provided by the application can be used for carrying out fluorescence spectrum test on the generated crude oil under a certain pressure condition on the premise of not losing the generated hydrocarbon; the device provided by the application provides convenience for researching whether the blue fluorescent oil inclusion can be directly generated in the normal hydrocarbon generation process or not and the relationship between the fluorescent color change and the thermal maturity of the hydrocarbon generation process oil.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.
Claims (5)
1. The hydrocarbon generation and drainage simulation device is characterized by comprising a water tank, a hand pump, a reaction kettle, a quartz capillary tube and a water storage container, wherein a water inlet pipe of the hand pump is connected with a water outlet of the water tank, a water outlet pipe of the hand pump is connected with a water inlet of the water storage container and a water inlet of the reaction kettle, a water outlet of the water storage container is connected with the upper end of the quartz capillary tube through a second pipeline, the reaction kettle comprises a heat preservation layer and a kettle body, a heater is arranged between the heat preservation layer and the kettle body and is used for heating the kettle body, a drain hole is formed in the top end of the kettle body and is communicated with the lower end of the quartz capillary tube through a first pipeline, mud rock for experiments is placed in the kettle body, water in the water tank is injected into the kettle body and the quartz capillary tube through the hand pump, the heater heats the kettle body, the kettle body transfers temperature to water in the kettle body, after the water in the kettle body is heated, oil gas is generated and is converged at the top end of the quartz capillary tube, and enters the quartz capillary tube under the action of pressure difference in the kettle body and the first pipeline under the action of the pressure difference in the kettle body;
the water outlet pipe of the hand pump is connected with a first branch pipe and a second branch pipe, the water outlet of the first branch pipe is connected with the water inlet of the water storage container, the water outlet of the second branch pipe is connected with the water inlet of the reaction kettle, a first pressure gauge is arranged on the first branch pipe and used for measuring and indicating the pressure in the water storage container, and a second pressure gauge is arranged on the second branch pipe and used for measuring and indicating the pressure in the kettle body;
a third pressure gauge is arranged on the second pipeline and is used for measuring and indicating the pressure in the quartz capillary tube;
the kettle body is of a cone structure with a narrow upper part and a wide lower part.
2. The hydrocarbon generation and elimination simulation device for researching relationship between fluorescence color of oil inclusion and maturity of oil inclusion according to claim 1, wherein a temperature measuring probe is placed in the kettle body and is connected with a second thermometer, the temperature measuring probe is used for measuring temperature in the kettle body and transmitting the measured temperature to the second thermometer, and the second thermometer indicates the temperature in the kettle body.
3. The hydrocarbon generation and elimination simulation device for studying the relationship between the fluorescence color of an oil inclusion and the maturity of the oil inclusion according to claim 1, wherein a temperature sensor is placed on the heater, the temperature sensor is connected with a first thermometer, the temperature sensor is used for measuring the temperature of the heater, and the measured temperature is transmitted to the first thermometer, and the first thermometer indicates the temperature of the heater.
4. The hydrocarbon generation and elimination simulation device for studying the relationship between fluorescence color of oil inclusion and its maturity according to claim 1, wherein said heater is a resistive heater.
5. The hydrocarbon generation and elimination simulation device for studying the relationship between the fluorescence color of an oil inclusion and the maturity thereof according to claim 1, wherein the diameter of the bottom surface of the kettle body is 50cm, the height of the kettle body is 80cm, and the volume of the water storage container is 500mL.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810118715.5A CN108344721B (en) | 2018-02-06 | 2018-02-06 | Hydrocarbon generation and discharge simulator for researching relationship between fluorescence color and maturity of oil inclusion |
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| CN201810118715.5A CN108344721B (en) | 2018-02-06 | 2018-02-06 | Hydrocarbon generation and discharge simulator for researching relationship between fluorescence color and maturity of oil inclusion |
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| CN108344721B true CN108344721B (en) | 2023-08-18 |
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| CN110176165B (en) * | 2019-06-20 | 2022-02-15 | 中国石油大学(华东) | Thermal simulation comprehensive experiment method for hydrocarbon-water-rock interaction |
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