SEDIMENTARY FACIES AND HYDROCARBON DISTRIBUTION LAW IN CHANG 8 RESERVOIRS,XIFENG OILFIELD
Jinliang Zhang
Abstract
Jinliang Zhang
Abstract
Sedimentary facies of the Chang 8 reservoirs,Xifeng Oilfield is interpreted jointly with sedimentary structure,characters of sedimentary sequence and logging data.The main sedimentary microfacies of Chang 8 reservoirs include distributary channel,channel mouth bar and front sand sheet.The finger-bar sandbody is made up of distributary channel and channel mouth bar.The features of sedimentary microfacies are influenced by many factors including climate and terrain and so on.The finger-bar sandbody is the peculiar sandbody morphology in the study area.The finger-bar sandbody,distributary channel sandbody and distributary mouthbar sandbody constitute the main reservoirs in the area.The study result provides the foundation for prediction of favorable reservoir facies belts and next exploration.
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Sedimentary facies of the Chang 8 reservoirs,Xifeng Oilfield is interpreted jointly with sedimentary structure,characters of sedimentary sequence and logging data.The main sedimentary microfacies of Chang 8 reservoirs include distributary channel,channel mouth bar and front sand sheet.The finger-bar sandbody is made up of distributary channel and channel mouth bar.The features of sedimentary microfacies are influenced by many factors including climate and terrain and so on.The finger-bar sandbody is the peculiar sandbody morphology in the study area.The finger-bar sandbody,distributary channel sandbody and distributary mouthbar sandbody constitute the main reservoirs in the area.The study result provides the foundation for prediction of favorable reservoir facies belts and next exploration.
Key concepts: Mouth bar, Geology, Facies, Sedimentary rock, Channel (broadcasting), Geomorphology, Petrology, Sedimentary structures