Based on the storage properties of deep-seated karstic water in south Ningxia, this paper analyses the test results of the combination of four geophysical techniques in exploring deep-seated karstic water of south Ningxia, and describes the drilling effects.

Diagenesis and secondary pore development in Paleogene deep formation in Dongying Sag;

Hydrocarbon generation features of deep formation in Dongpu Depression at abnormally high temperature and high pressure;

Petroleum geology characteristics of Kongdian deep formation in Panhe area, Huimin depression;

Processing technology for seismic data from deep layers of Jiyang depression and its application;

Normally,deep layer means the depth more than 3000 m.

The deep layers of Songliao Basin include Jurassic Huoshiling Formation, Lower Cretaceous Shahezi Formation and fault-depression stratum ofYingcheng Formation, and Lower Cretaceous depression strata of Denglouku Formation and Mem.

The Deep Comprehension in Language Teaching:The Inspiration from Language s Ambiguity;

This paper analyzes the geologic risks of gas exploration in the deep Upper Triassic Xujiahe Formation in the western Sichuan depression, and determines the probability of obtaining discoveries in each prospect through probability statistics.

Through study on gas reservoirs distribution and their reservoir forming conditions,this paper concludes that master controlling factors of deep gas reservoir forming are gas resource,cap rock,fault and unconformity surface.