Gas collection bottle as well as use method and application thereof

A technology of gas collecting cylinder and bottle body, which is applied in the field of gas collecting cylinder, can solve the problem of not removing interference, etc., and achieve the effect of reducing error and reducing interference

Pending Publication Date: 2022-05-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for adsorbed gases such as helium and carbon dioxide, currently, saturated brine immersion and negative pressure analysis are mainly used to obtain them, but the interference has not been removed.

Method used

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  • Gas collection bottle as well as use method and application thereof
  • Gas collection bottle as well as use method and application thereof
  • Gas collection bottle as well as use method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] This embodiment provides a gas collecting bottle and its usage method.

[0066] In this embodiment, the gas component to be tested is helium; the adsorbent is molecular sieve, silica gel, and activated carbon to adsorb water, carbon dioxide, and light hydrocarbons in the gas component to be tested.

[0067] Such as figure 1 As shown, the gas cylinder includes:

[0068] Cylindrical main body, the main body is made of thickened glass;

[0069] The bottle mouth is arranged on the upper part of the main bottle body and sealed with a rubber stopper 2. A long glass tube 1 is inserted into the rubber stopper, and the top of the long glass tube 1 is sealed with a rubber plug;

[0070] The gas inlet 5 communicates with the middle and upper part of the body of the main body and is extended relative to the body of the body, and the extension part is connected with an adsorption pipe 4 filled with adsorbent;

[0071] The gas injection port is airtightly connected with the balloo...

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Abstract

The invention belongs to the field of geothermal geochemical exploration and near-surface oil and gas geochemical exploration, and particularly relates to a gas collecting bottle and a using method and application thereof. The gas collection bottle comprises a main bottle body; a bottle opening; a gas inlet; a gas injection port; and an air pump extraction opening. According to the invention, gas in underground soil is dried and filtered through the adsorbent at the gas inlet, so that unwanted impurity gas and interference gas are removed. Negative pressure is kept in the bottle through the air pump, and extraction of free-state and weak-adsorption-state gas in underground soil can be accelerated. Meanwhile, the volume in the bottle is reduced, so that positive pressure in the bottle is realized, a gas sample can be completely obtained when the injector extracts gas, and interference is reduced. According to the gas collection bottle, collection of geothermal associated gas is ensured, errors are reduced, target components are accurately obtained, and guarantee is provided for obtaining real and effective data.

Description

technical field [0001] The invention belongs to the fields of geothermal geochemical exploration and near-surface oil and gas geochemical exploration, and more specifically relates to a gas collecting bottle and its use method and application. Background technique [0002] my country is one of the countries with large reserves of geothermal resources in the world, especially medium and low temperature geothermal resources, which are widely distributed in my country's southeast coast, southwest region, Jiaodong Peninsula, Liaodong Peninsula and large-scale sedimentary basins. At present, geothermal and geochemical exploration at home and abroad is mainly focused on shallow geothermal energy resources. Existing geochemical detection technologies have the following problems in the application of deep geothermal systems in igneous rock areas in South China: complex terrain, dense vegetation, and difficult surface geochemical sampling; complex geothermal structures, large burial ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01N1/24
CPCG01N1/2294G01N1/24G01N1/2214G01N2001/248
Inventor 李广之王国建宁丽荣胡斌朱怀平陈银节
Owner CHINA PETROLEUM & CHEM CORP
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