Zhuhai Formation source rock evaluation and reservoired hydrocarbon source analysis in the deep-water area of Baiyun sag,Pearl River Mouth basin

As the first exploration well in the deep-water area of the eastern South China sea,Well LW3-1-1 is located in the eastern Baiyun sag,Pearl River Mouth basin.Geochemical studies are conducted for the source rocks in Zhujiang and Zhuhai Formations and the reservoired hydrocarbons in this well.In combination with geochemical data from Enping and Wenchang Formation source rocks in other wells,the results may document that Zhuhai Formation is one of the effective source rocks in the deep-water area of Baiyun sag,and that this source rock has contributed to the two types of reservoired hydrocarbon from Zhujiang and Zhuhai Formations.