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Origin of Nature Gas and Resource Potential of Oil and Gas in Baiyun Sag,Pearl River Mouth Basin

Cui Sha-sha

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Abstract

Baiyun Sag is the largest sedimentary basin depression in the Pearl River Mouth Basin northern South China Sea, located at the center of subsidence and deposition of Tertiary in the basin, and the maximum thickness of sediment is more than 12 km in Cenozoic era, in which there are a huge reservoir sediment filling system and basic geological conditions for the migration and accumulation of oil and gas. Based on the component of natural gas and light hydrocarbon, as well as the characteristics of carbon isotope and hydrogen isotopes, acquired from adjacent exploration wells and LW3-1-1 well in deep water region, this article analyzed the origin of nature gas and the type of gas composition in this area, and also analyzed and discussed its resources potential and exploration prospects in combination with its oil and gas reservoir geological conditions.

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What this paper is about

Baiyun Sag is the largest sedimentary basin depression in the Pearl River Mouth Basin northern South China Sea, located at the center of subsidence and deposition of Tertiary in the basin, and the maximum thickness of sediment is more than 12 km in Cenozoic era, in which there are a huge reservoir sediment filling system and basic geological conditions for the migration and accumulation of oil and gas. Based on the component of natural gas and light hydrocarbon, as well as the characteristics of carbon isotope and hydrogen isotopes, acquired from adjacent exploration wells and LW3-1-1 well in deep water region, this article analyzed the origin of nature gas and the type of gas composition in this area, and also analyzed and discussed its resources potential and exploration prospects in combination with its oil and gas reservoir geological conditions.

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Available abstract

Baiyun Sag is the largest sedimentary basin depression in the Pearl River Mouth Basin northern South China Sea, located at the center of subsidence and deposition of Tertiary in the basin, and the maximum thickness of sediment is more than 12 km in Cenozoic era, in which there are a huge reservoir sediment filling system and basic geological conditions for the migration and accumulation of oil and gas. Based on the component of natural gas and light hydrocarbon, as well as the characteristics of carbon isotope and hydrogen isotopes, acquired from adjacent exploration wells and LW3-1-1 well in deep water region, this article analyzed the origin of nature gas and the type of gas composition in this area, and also analyzed and discussed its resources potential and exploration prospects in combination with its oil and gas reservoir geological conditions.

Key concepts: Geology, River mouth, Structural basin, Geochemistry, Natural gas, Sedimentary rock, Sediment, Source rock

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Origin of Nature Gas and Resource Potential of Oil and Gas in Baiyun Sag,Pearl River Mouth Basin — Research Paper | ScholarLens