Identification and application of abandoned channel in meander river;

By taking SII 1+2b layer in the west part of Second Region in Sabei Oilfield for example, the reason of abandoned channel was analyzed, logging response characteristics and morphological distribution and the method of relative depth of the top sand were integrated, the connecting-well section was observed in multi-angle by underground dense well pattern data under the guidance of modern deposits.

This method is applied to identification of abandoned channel facies in Daqing Oilfield.

Discuss on the research situation of estimating methods of eco-environmental water requirements in river course and its modification;

Discussions on river course ecology and rehabilitation in Shandong, Hai River Basin;

A theoretical discussion of ecological and environmental water requirements of river course;

Computing method of divisional ecological and environmental water requirement for river channel and its application to the Yellow River Basin;

Study on the situation of sand-gravel extraction in the river channel;

Preliminary study on the characteristics of scouring and sedimentation of river channels in recent decades in the Zhujiang Delta;

Auto-regulating function of channel of Lower Weihe River since 1960;

Study on channel friction parameter inversion based on Kalman filter with unknown parameter vector;

The application of frequency-shared interpretation tech-nique to channel sandbody description in upper Ng of Zhuang 106 area.;