The Evolution Characteristics of Gaseous Products of Humic Coal and It's Geological Significance

Gao Gang; Gang Wenzhe; Hao Shisheng; Chang Liang

In this paper, the evolution characteristics of gaseous products of humic coal by hydrouspy rolysis and it's geological significance are discussed, Maturehumic coal has still large hydrocarbon potential, in main stage of hydrocarbon generation, and it mainly generates oil and a little gaseous hydrocarbon. Afterm oil generation peak, the amount of gaseous hydrocarbons begins increasing rapidly because of splitting of liquid products. In geological condition, there are enormous soluble organic matter in coal. They are main source rocks of coal type gas in high evolution stage. Methane is predominant component of gaseous hydrocarbons. Gaseous non-hydrocarbons are generated in the early stage and in them, dioxide carbon is chief.

1. Petroleum University, Beijing 100083;

2. Exploration and development vesearch institute of Huabei petroleum Administration Bureau, Renqiu, Hebei 062552

Received Date: 1997-08-26

Rev Recd Date: 1997-12-04

Publish Date: 1998-06-10

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Abstract: In this paper, the evolution characteristics of gaseous products of humic coal by hydrouspy rolysis and it's geological significance are discussed, Maturehumic coal has still large hydrocarbon potential, in main stage of hydrocarbon generation, and it mainly generates oil and a little gaseous hydrocarbon. Afterm oil generation peak, the amount of gaseous hydrocarbons begins increasing rapidly because of splitting of liquid products. In geological condition, there are enormous soluble organic matter in coal. They are main source rocks of coal type gas in high evolution stage. Methane is predominant component of gaseous hydrocarbons. Gaseous non-hydrocarbons are generated in the early stage and in them, dioxide carbon is chief.

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The Evolution Characteristics of Gaseous Products of Humic Coal and It's Geological Significance

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