Abstract

AbstractGeological factors affecting gas hydrate formation and distribution are different horizontally and vertically in the northern slope of the South China Sea such as the Shenhu area. Whether variation of gas sources is an important resultant factor is worth exploring. In this paper, 14 cases of gas source are summarized on the base of existing data and a semi‐quantitative analysis is conducted by modeling to study their effects on gas hydrate formation in the northern South China Sea. Modeling results show that various gas sources will enhance temperature conditions for gas hydrate formation by 0.49°C to 5.44°C, mostly by more than 2°C, with respect to known gas hydrate in the Shenhu area. This indicates that various gas sources greatly change gas hydrate formation conditions, suggesting that they are probably important factors to affect gas hydrate formation and distribution in the northern South China Sea.

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