Sedimentary characteristics of shallow water delta and lake shoreline control on sandbodies of Chang 8 oil-bearing interval of the Upper Triassic Yanchang Formation in northwestern Ordos Basin

This paper introduces the general development of Chang 8th oily layer in Zhenjing Oil Field, and expounds the well log indicating characteristics of Chang 8th oily layer from the aspects of the lithologic characters, physical property features, and common logging characters, etc.

Isochronic correlation of sandbodies with Chang 8 oil formation by high resolution sequence analysis in Yanchang Formation,Xifeng oil field, Ordos Basin,China;

Diagenesis and controls on the physical properties of the Triassic Chang-8 oil reservoirs in the south-central part of the Ordos Basin;

The kaolinite cementation and reservoir assessment of the Upper Triassic Chang-2 pay set in the Jiyuan region,Shaanxi;