The invention provides a simulation experiment device and a simulation experiment method for hot-press hydrocarbon generation and discharge based on the basin evolution history, and belongs to the technical field of petroleum and gas geochemical experiment study. The experiment device comprises a hydrocarbon generation system and a discharged hydrocarbon collecting system which are connected through a multi-channel combined valve (139). The method comprises the steps of dividing different stages of basin evolution according to the construction evolution history of an actual geologic basin, automatically regulating the communicated state of the hydrocarbon generation system and a hydrocarbon discharge device, and simulating the hydrocarbon generation and discharge processes under a basin dynamic evolution condition. According to the invention, the hydrocarbon source rock hydrocarbon generation and discharge simulation experiment approximate to the construction evolution history of the basin containing petroleum and gas is achieved by combining with the construction evolution history of the basin and considering influences of paleo-fluid pressure fields of hydrocarbon source rock and reservoir rock to the generation and discharge of petroleum and gas, which are caused by basin evolution.

Simulation experiment device and method for hot-press hydrocarbon generation and discharge based on basin evolution history

The invention discloses a nonconventional natural gas rock-gas-heat multi-process coupling test system. The nonconventional natural gas rock-gas-heat multi-process coupling test system consists of a fluid control system, a rock core adsorbing/desorbing and gas analyzing system, a vacuum suction system and a hydraulic cracking system, wherein the fluid control system is respectively communicated with the rock core adsorbing/desorbing and gas analyzing system, the vacuum suction system and the hydraulic cracking system. The nonconventional natural gas rock-gas-heat multi-process coupling test system has the advantages that the multiple coupling process tests of coal rock permeation evolution under the real three-axis or false three-axis stress loading, temperature loading, and multi-component gas diffusion conditions are realized, the whole-process data, such as experiment temperature, component gas flow rate and adsorbing characteristic, are dynamically stored and processed through software, and the nonconventional gas-enriching reservoir forming, adsorbing and desorbing rule of rock at stratum temperature, pressure and fluid medium can be scientifically simulated; the scientific experiment support is provided for the extreme complicated deep resource exploitation.

Nonconventional natural gas rock-gas-heat multi-process coupling test system

The invention discloses an organic geochemistry characteristic analysis method for hydrocarbon source rock of a fractured shale oil reservoir.The method comprises the following steps that a hydrocarbon source rock sample of the fractured shale oil reservoir is collected; the hydrocarbon source rock sample is smashed and then extracted to obtain an asphalt sample; a sample obtained after the hydrocarbon source rock sample is extracted is subjected to a hydrocarbon-generating thermal simulation experiment, and a thermal simulation-generated hydrocarbon sample is obtained; group component separating is performed on the asphalt sample and the thermal simulation-generated hydrocarbon sample, and saturated hydrocarbon is collected; gas chromatography-mass spectrometry analyzing is performed on the saturated hydrocarbon in the asphalt sample and the thermal simulation-generated hydrocarbon sample; mass spectrum peaks of biomarkers in a gas chromatography-mass spectrometry graph of the saturated hydrocarbon in the asphalt sample and the thermal simulation-generated hydrocarbon sample are compared, the geochemical characteristics of the saturated hydrocarbon in the asphalt sample and the geochemical characteristics of the saturated hydrocarbon in the thermal simulation-generated hydrocarbon sample are compared, and then the feasibility of the analyzing method is analyzed.According to the method, the problem that in a fractured oil and gas reservoir, geochemical characteristic analysis of the hydrocarbon source rock is influenced due to the fact that external hydrocarbon contaminates the hydrocarbon source rock is solved.

Organic geochemistry characteristic analysis method for hydrocarbon source rock of fractured shale oil reservoir without external hydrocarbon influence

A hot-pressing simulation experimental facility for a whole process of rock formation, hydrocarbon generation and hydrocarbon discharge comprises a high-pressure kettle, a pneumatic valve bank and a mineral water booster pump, wherein an experimental sample chamber for placing experimental samples is arranged in the high-pressure kettle; a heating temperature control box is sleeved on the outside of the high-pressure kettle; a booster column penetrates through the upper end of the high-pressure kettle; the lower end of the high-pressure kettle is connected with a sealed pressing component; the booster column and the sealed pressing component are respectively connected with a booster oil pump; the pneumatic valve bank comprises an upper-row fluid pneumatic valve, a lower-row fluid pneumatic valve and a middle-row fluid pneumatic valve; the upper-row fluid pneumatic valve is connected onto the booster column; the lower-row fluid pneumatic valve is connected onto the sealed pressing component; the middle-row fluid pneumatic valve is connected to the middle of the high-pressure kettle; the upper-row fluid pneumatic valve, the middle-row fluid pneumatic valve and the lower-row fluid pneumatic valve are respectively connected with a pressure-control and blockage-prevention device; and the mineral water booster pump is connected onto the sealed pressing component. A fluid seepage flowing condition and actual geological conditions including influence of the fluid seepage flowing condition to rock formation, hydrocarbon generation and hydrocarbon discharge, hydrocarbon discharge modes and directions, a complex temperature varying process and the like are sufficiently considered. The hot-pressing simulation experimental facility can really simulate the whole process of rock formation, hydrocarbon generation and hydrocarbon discharge under geological conditions.

Hot-pressing simulation experimental facility for whole process of rock formation, hydrocarbon generation and hydrocarbon discharge

The invention relates to a multi-functional high temperature and high pressure simulation experimental device for hydrocarbon and rock generating and a using method thereof. The multi-functional hightemperature and high pressure simulation experimental device comprises a hydrocarbon source rock hydrocarbon generating reaction and fluid generating system, an auxiliary system, a hydrocarbon expulsion reaction and hydrocarbon source fluid transfer system, a hydrocarbon source fluid-rock interaction system and a product separating collecting system. A fluid in the hydrocarbon source rock hydrocarbon generating reaction and fluid generating system is released into the hydrocarbon expulsion reaction and hydrocarbon source fluid transfer system, and then the hydrocarbon source fluid is injectedinto reservoir rock samples in core clamping devices, a heating and pressurizing device is started to enable the fluid and rock to react at a setting temperature, pressure and time. According to the multi-functional high temperature and high pressure simulation experimental device for the hydrocarbon and rock generating, the simulating linkage co-control dynamic evolution processes of hydrocarbonsource rock hydrocarbon generating and hydrocarbon expulsion can be simulated, the generating capacity of conventional natural gas and shale gas in different evolution stages of hydrocarbon source rock can be determined, and the integrated geological process of hydrocarbon source fluid generating and the influence to reservoir rock generating can be further simulated; and the simulation of two geological processes of the hydrocarbon generating and the rock generating is met, the application fields of the experimental device are extended, and the efficiency of the experimental device is improved.

Multi-functional high temperature and high pressure simulation experimental device for hydrocarbon and rock generating and using method thereof

Quantitative analysis method for volatile components in liquid products of thermal-simulation hydrocarbon generation experiment

A hot-press simulation experiment device of the whole process of diagenesis, hydrocarbon generation and hydrocarbon discharge comprises a high pressure kettle, a pneumatic valve group and a mineral water pressurization pump. An experiment sample chamber used for placing experiment samples is arranged in the high pressure kettle, a heating temperature control box is arranged on the outside in sleeve mode, a pressurization column is arranged at the upper end of the high pressure kettle in penetrating mode, a sealing pressure application part is connected with the lower end of the high pressure kettle, and the pressurization column and the sealing pressure application part are respectively connected with a pressurization oil pump. The pneumatic valve group comprises an upper row fluid pneumatic valve connected on the pressurization column, a lower row fluid pneumatic valve connected onto the sealing pressure application part and a middle row fluid pneumatic valve connected onto the middle of the high pressure kettle. The upper row fluid pneumatic valve, the lower row fluid pneumatic valve and the middle row fluid pneumatic valve are respectively connected with a pressure control and anti-blocking device. The mineral water pressurization pump is connected onto the sealing pressure application part. The hot-press simulation experiment device completely considers seepage flowing condition of the fluid, effects of the fluid on diagenesis, hydrocarbon generation and hydrocarbon discharge, hydrocarbon discharge mode and direction, complex temperature change process and other actual geological conditions, and is capable of truly simulating the whole process of diagenesis, hydrocarbon generation and hydrocarbon discharge under the geological condition.

Hot-press simulation experiment device of whole process of diagenesis, hydrocarbon generation and hydrocarbon discharge

The utility model relates to a quantitative control device for releasing a high-pressure fluid, comprising a pressure multiplier, wherein a pressure control pipeline is connected with an inlet at the bottom part of the pressure multiplier; an inlet at the upper part of the pressure multiplier is connected with a fluid inlet pipeline by a pneumatic valve; an outlet at the upper part of the pressure multiplier is connected with a fluid outlet pipeline; the pressure control pipeline comprises a nitrogen bottle; an outlet of the nitrogen bottle is connected with a first electromagnetic valve and a second electromagnetic valve in series; a pressure control pipe line is connected between the two electromagnetic valves, and is connected to the inlet at the bottom part of the pressure multiplier; the pressure control pipe line is internally provided with a pressure sensor; and the first electromagnetic valve, the second electromagnetic valve and the pressure sensor are electrically connected to a computer. The quantitative control device has the advantages that high-accuracy, dynamic and automatic control for the release process of the high-pressure fluid can be realized, and the pressure release control device with more accuracy, complete isolation, automation, safety and low cost is provided for a high-pressure container and the pipeline.

Quantitative control device for releasing high-pressure fluid

The invention provides a method for estimating light hydrocarbon product amountin a hydrocarbon generation and expulsion thermal simulation experiment. In the method, on the basis of various hydrocarbon generation and expulsion thermal simulation experiments,through the steps of discharging a part of remaining hydrocarbon and collecting and measuring discharged products, initial rock sample pyrolysis analysis data S1 and S2 are combined withrock residual sample pyrolysis analysis data S1' and S2' obtained after experiments to establish a calculation formula for light hydrocarbon yield Pt, so that the light hydrocarbon product amount in the hydrocarbon generation and expulsion thermal simulation experiment can be conveniently and accurately obtained. According to the method for estimating the light hydrocarbon product amount in the hydrocarbon generation and expulsion thermal simulation experiment, the problem of difficulty in accurate estimation of light hydrocarbon amount even when low-temperature cooling and a high-end apparatus are matched in various hydrocarbon generation and expulsion experiments is solved, a hydrocarbon generation and expulsion device and a subsequent treatment device are simplified and even eliminated, and the problems of a pyrolysis rock S1 light and heavy hydrocarbon correction method (CN103543470A) are also solved.

Method for estimating light hydrocarbon product amountin hydrocarbon generation and expulsion thermal simulation experiment

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