Study and application of the combination technique of secondary oil recovery with tertiary oil recovery in low permeability reservoirs;

Development of skid CO_2 pressurized injection plant and its application in oil recovery enhancement;

Experimental study of the enhanced oil recovery by using displacing agent M;

Oil recovery ratio modeling by neural network technique;

Seismic monitor of oil recovery ratio in old oil field;

Application of support vector machine to oil recovery ratio modeling;

Study on oil recovery factor at exploration stage in Liaohe Oilfield;

Study of crude oil recovery factor at Liaohe Oilfield exploration stage;

Method to estimate recovery factor loss due to casing damage in LaSaXing oilfields;

The review on the predictive methodology of coalbed methane recovery efficiency;

Factors influencing oil recovery efficiency and comprehensive classification of oil reservoirs;

Application of reservoir factor to forecasting the recovery efficiency of unconsolidat-ed sandstone reservoirs.;

Study of the influence of CO_2 miscible displacement on enhanced oil recovery in Yushulin oilfield;

Enhancing oil recovery of edge and bottom water reservoirs in the small fault blocks by usingspecial wells;

Status and application of the technology of enhancing recovery by electric ground;