Abiogenesis of Hydrocarbon Gas and Its Identification Index

doi:10.7657/XJPG20170222

Abstract

Abstract: The paper summarizes and reviews some typical viewpoints, latest researches and developments about abiogenic hydrocarbon gases. Based on the theory of serpentinized abiogenic hydrocarbon, the possible geological backgrounds for the formation of abiogenic hydrocarbon gases are analyzed. The discovered formation and migration of abiogenic hydrocarbon gases are mostly located in the areas with intense tectonic activities and complex geological environments. How to match the chemical reaction mechanisms and the reaction conditions with the specific geological conditions is essential to the accumulation of abiogenic hydrocarbon gases. Various identification indices and classification patterns are discussed for abiogenic gases. Although the typical distribution intervals of δ13C values of methane are significant for abiogenic gas identification, a reasonable explanation should be given in combination with the specific geological background. Actually, δ13C values of abiogenic methane may have a wider distribution range. The case analysis results show that the comprehensive utilization of carbon and hydrogen isotopes has obvious advantages in identifying hydrocarbon gas genesis

CLC Number:

TE122.11

XU Wang1,2, ZHENG Guodong1, MA Xiangxian1, FAN Qiaohui1, David R Hilton1,3, XU Sheng1. Abiogenesis of Hydrocarbon Gas and Its Identification Index[J]. , 2017, 38(2): 1-1.

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Abiogenesis of Hydrocarbon Gas and Its Identification Index

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