• 责任者：Li Jianqing (State Key Laboratory of Continental Dynamics ; Department of Geology ; Northwest University ; Xi’an 710069 ; China) ; Pu Renhai
• 刊名：Petroleum Geology & Experiment
• 出版年：2012
• 卷期：34(4)
• 关键词：砂岩储集层 ; sandstone reservoirs ; 储层预测 ; reservoir prediction ; 江苏 ; Jiangsu Province
• 页码：p.395-399
• 图表：2 illus., 17 refs.
• 分类号：1003
• issnNo：ISSN1001-6112
• isbnNo：CN32-1151/TE

The comprehensive analysis of cores,log curves and 3D seismic interpretations showed that the Longtan Formation was a delta front sedimentary sequence, with the characteristics of coarsening-upward, and the types of sand body were mainly frontal sheet sand and distributary channel sand in Huangqiao area, Jiangsu Province. The results of logging constrained impedance inversion and porosity inversion showed that high-impedance sandstones spread in three delta front flower-like bodies in the plane. The average porosity of the Longtan Formation sandstones ranged from 4% to 10% , and became bigger as the present depth increasing.