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Apparatus for simulating natural gas micro-leakage, and applications thereof

A micro-leakage, natural gas technology, applied in enzymology/microbiology devices, bioreactors/fermenters for specific purposes, biochemical cleaning devices, etc. problem, to achieve good air tightness

Inactive Publication Date: 2018-08-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of forward modeling, exploration personnel cannot 100% determine the oil and gas background information of field soil samples (whether they are soil samples from oil and gas areas or non-oil and gas areas), and thus cannot accurately study the changes in the number and community of oil and gas indicator microorganisms

Method used

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  • Apparatus for simulating natural gas micro-leakage, and applications thereof
  • Apparatus for simulating natural gas micro-leakage, and applications thereof
  • Apparatus for simulating natural gas micro-leakage, and applications thereof

Examples

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example 1

[0064] A device for simulating natural gas micro-leakage with a cylinder length of 2m is used to simulate the conditions of natural gas micro-leakage, and the quantity change and population development of surface soil oil and gas indicator microorganisms are regularly monitored; at the same time, a device for simulating natural gas micro-leakage The device is not provided with an air source, and it is used as a control group soil column for comparison without ventilation.

[0065] 1. Before the experiment starts, check the pipeline connection and whether the valve is closed.

[0066] 2. Open the exhaust port 27, and supply simulated gas into the device through the gas inlet 22 from the simulated gas source 24.

[0067] 3. Take soil samples regularly through the sampling port 1-3, the amount of soil samples taken each time is 20g, and at the same time, the air tightness of the detection device and the physical and chemical properties of the soil samples, wherein the physical an...

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Abstract

The invention relates to an apparatus for simulating natural gas micro-leakage. The apparatus comprises a cylinder and two detachable sealing covers arranged at both ends of the cylinder and used forsealing the cylinder, wherein the cylinder is sequentially provided with a gas storage chamber, a filling chamber and a gas inlet buffer chamber from upstream end to downstream end, the filling chamber is filled with soil, at least a sampling port is arranged on the side wall of the filling chamber, an air pressure gauge is arranged on the side wall of the gas storage chamber, the gas inlet bufferchamber is separated from the filling chamber through a separation layer I, the side wall of the gas inlet buffer chamber is provided with a gas inlet, and the gas inlet is connected to a simulatinggas source. According to the present invention, the apparatus is used for simulating natural gas micro-leakage; during the detecting, the air pressure tightness is good, and the soil pH value and thesoil moisture are basically maintained, such that the natural gas micro-leakage can be well simulated so as to achieve the desired effect; and the apparatus can be used for simulating the natural gasmicro-leakage conditions under the artificial simulation conditions, can regularly monitor the quantity change and the population development condition of earth surface soil hydrocarbon microorganisms, and can provide the basic theoretical support for actual field exploration.

Description

technical field [0001] The invention belongs to the technical field of the application field of oil and gas microbial exploration, and relates to a device for simulating micro-leakage of natural gas and its application. Background technique [0002] Oil and gas microbial exploration is a rapidly developed and recognized effective oil and gas exploration method in recent years. This technology predicts the distribution of underground oil and gas reservoirs by studying the number and community anomalies of oil and gas indicator microorganisms in surface soil. Microbial exploration of oil and gas needs to be based on the research of forward modeling. The forward modeling process is to collect and determine the surface soil samples of oil and gas areas and non-oil and gas areas, and analyze the differences in the number and community of oil and gas indicator microorganisms between the two in the microbiological laboratory. However, in the process of forward modeling, exploration...

Claims

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Application Information

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IPC IPC(8): C12M1/34C12M1/04C12M1/00C12Q1/02
CPCC12M23/36C12M23/38C12M29/00C12M41/00C12M41/40C12Q1/025
Inventor 杨帆汤玉平许科伟孙长青卢丽高俊阳
Owner CHINA PETROLEUM & CHEM CORP
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