Understanding Helium Enrichment in Bohai Bay Basin, China

Research on natural gas from the Bohai Bay Basin revealed important insights into helium enrichment mechanisms in the area. By analysing chemical and isotopic data from 112 natural gas samples, scientists have classified the gases into five groups based on their carbon dioxide and nitrogen content. They discovered that helium, often found in significant quantities in these gases, appears to be derived from both the mantle and the crust. Notably, the study identified two distinct types of helium-rich gases, each associated with different geological processes. This research enhances understanding of helium sources and could guide future exploration efforts in the basin and similar regions globally.

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