Discovery of a giant caldera in the Yingcheng Formation in the Xujiaweizi fault depression, northern Songliao basin;

Research on reservoir depositional character of Xujiaweizi fault depression forth fragment of Yingcheng formation in Xingcheng development region;

New methodology to explore gas-bearing volcanic reservoir in Xujiaweizi Fault Depression of the northern Songliao Basin;

Prediction method for distribution area and thickness of hydrocarbon source rocks——taking Xujiaweizi Depression in Songliao Basin as an example;

Contribution ratio of source rock to source-mixed gas reservoir in Xujiaweizi depression;

Comprehensive evaluation of gas-bearing traps in volcanic rocks of Xujiaweizi depression;

Analysis on Tectonic Stress Field of Xujiaweizi Rift in Daqing Oilfield with FMI;

Gas distribution rules and main controlling factors in Xujiaweizi Rift;

Main Controlling Factors of Gas Accumulation and Distribution in Igneous Rocks, Xujiaweizi Rift, North Songliao Basin;

Aeromagnetic anomalous feature of Xujiaweizi fault depression in north part of Songliao basin and geologic meaning for oil/gas exploration;

Study on Deep Gas Reservoir Forming Mechanism of Xujiaweizi Area and Prediction of Favorable Exploration Areas;

Volcanic rock distribution and gas abundance regularity in Xujiaweizi faulted depression,Songliao basin;

Based on studying development, geochemical and generation gas characteristics of sourcerock and development, seal characteristics of caprock of deep strata in Xujiaweizi region.

Study on volcanic reservoir characteristics in Xujiaweizi area;

Based on analyzing the formation conditions of gas reservoirs of K 1sh+yc～K 1d 2 accumulation system in XuJiaWeiZi area, this paper points out that this accumulation system owns the characteristics of high temperature, high pressure and high salinity.

Studies on petrography show that feldspar and carbonatite corrosion is rich in the volcanic reservoir rocks of Xujiaweizi area.