Sedimentary facies characterization of forced regression in the Pearl River Mouth basin

Ye Yu*, Changming Yang, Li Wang, Andrew Hursthouse, Shaohua Li, Yanran Huang, Taotao Cao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
18 Downloads (Pure)


The Miocene Zhujiang Formation is the key horizon for oil and gas exploration in the Pearl River Mouth basin of northern South China Sea. With the help of core observation, seismic attributes and various analytical data, the sedimentary facies marks, distribution of sedimentary facies and depositional model of forced regression in the Miocene Zhujiang Formation of the Pearl River Mouth basin, northern South China Sea, have been studied. Forced regressive deposits were formed during the period when relative sea level ranged from highstand to lowstand and the sediments were forced to undergo progradation so that five sets of foreset delta deposits are developed in turn. In the early stage of forced regression, the normal delta where the delta plain, delta front and prodelta are not absent mainly developed. In the later stage of forced regression, the shelf edge delta with only the delta front and the prodelta, the longshore bar along the shelf break and the turbidite fan in the deep water of the slope area were developed. The favorable reservoir of forced regressive deposits are located near the upper boundary of the falling stage systems tract and the basal surface of forced regression, and they are the sand bodies of shelf edge delta, longshore bar and turbidite fan. The research results may provide guidance for reservoir prediction.
Original languageEnglish
Pages (from-to)208-223
Number of pages16
JournalOpen Geosciences
Issue number1
Publication statusPublished - 16 Mar 2022


  • forced regression
  • sedimentary characteristics
  • depositional model
  • Zhujiang formation
  • Pearl River Mouth basin
  • northern South China Sea


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