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Hydrocarbon Detection Based on Phase Decomposition in Chaoshan Depression, Northern South China Sea

Authors
  • Guangjian, Zhong
  • Renqi, Jiang
  • Hai, Yi
  • Jincai, Wu
  • Changmao, Feng
  • Gang, Zhou
  • Kun, Wang
  • Lina, Liu
  • Ming, Sun
Journal
Journal of Marine Science
Publisher
Bilingual Publishing Co
Publication Date
Apr 30, 2021
Volume
3
Issue
2
Identifiers
DOI: 10.30564/jms.v3i2.3063
Source
Bilingual Publishing
Keywords
License
Green

Abstract

Located in the northern South China Sea, Chaoshan Depression is mainly a residual Mesozoic depression, with a construction of MesoCenozoic strata over 7000m thick and good hydrocarbon accumulation conditions. Amplitude attribute of -90°phase component derived by phase decomposition is employed to detect Hydrocarbon in the zone of interest (ZOI) in Chaoshan Depression. And it is found that there are evident amplitude anomalies occurring around ZOI. Phase decomposition is applied to forward modeling results of the ZOI, and high amplitudes occur on the -90°phase component more or less when ZOI is charged with hydrocarbon,which shows that the amplitude abnormality in ZOI is probably caused by oil and gas accumulation.

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