Role of gravel in analysis on migration of source area and lake shorelines in lacustrine basin
Gao Zhi-Yong1,2, Shi Yu-Xin1,2, Feng Jia-Rui1,2, Zhou Chuan-Min1,2
1 Petroleum Geology Research and Laboratory Center,PetroChina Research Institute of Petroleum Exploration and Development,Beijing 100083,China; 2 State Key Laboratory of Enhanced Oil Recovery,PetroChina Research Institute of Petroleum Exploration and Development,Beijing 100083,China
Abstract Low-resolution drilling and seismic imaging in the low-exploration area of the orogenic-basinal regions in the central and western parts of China is complicated. It is difficult to use traditional seismic facies, logging facies or core data to study the palaeogeographic features of the archetypal basin. We established the relationship both between gravel and transport distance, and between gravel development and shoreline migration in the pre-modern alluvial fan, fan delta plain, river and other sedimentary facies. The distance between several outcrops and shorelines from Jurassic to Cretaceous in the Junggar Basin was quantitatively calculated. The evolution process of source area and shorelines of the Junggar Basin in Jurassic to Cretaceous was reconstructed. The palaeogeographic features of the sedimentary archetypes of the basin in the lower-resolution exploration area of the southern and other regions are predicted to provide the basis for predicting the distribution range of the favorable reservoir. The establishment of the delineation of the source area and the quantitative evaluation parameters of the shorelines migration are an important and beneficial supplement for the innovation of traditional sedimentology.
Fund:National Science and Technology Major Project of China(No.2016ZX05003-001)and Project of PetroChina(No.2019B-0505)
About author: Gao Zhi-Yong,born in 1974,is a senior engineer of Research Institute of Petroleum Exploration and Development,PetroChina. He is engaged in research on sedimentology and reservoir geology. E-mail: gzybox@163.com.
Cite this article:
Gao Zhi-Yong,Shi Yu-Xin,Feng Jia-Rui et al. Role of gravel in analysis on migration of source area and lake shorelines in lacustrine basin[J]. JOPC, 2021, 23(3): 507-524.
Gao Zhi-Yong,Shi Yu-Xin,Feng Jia-Rui et al. Role of gravel in analysis on migration of source area and lake shorelines in lacustrine basin[J]. JOPC, 2021, 23(3): 507-524.
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