In order to overcome the problems of injection and plug removal in the heavy oil block to increase the development efficiency,and according to the state of the development by the water injection in the Gucheng South three block oil field of Henan Nanyang,the aciding technolgy,acid liquid system and its compatibility with the formation have been studied.

Study anf analyze the equipment corrosion of normal and diminished pressure installation used to process thick oil of Kelamayi Petroleum Chemical Plant;

Study on subsurface-flow wetland system for treating thick oil produced water;

Because T2 spectra of thick oil are shorter and can rich the range of bound fluids, nuclear magnetic resonance logging in thick oil zones appears abnormally high bound water saturation and low permeability.

Apparent viscosity of water-in-heavy crude oil emulsion;

Analysis of the gray correlation entropy of viscosity to chemical components in heavy crude oil dispersion system;

Analysis of grey correlation entropy about the chemical composition influencing viscosity of heavy crude oil;

Research and Application about Chemical Pretreatment Technique of Steam Injection Thermal Recovery in Viscous Oil Blocks;

The successful application of hydraulic jet pump in Bohai Chengbei viscous oilfield;

Distribution and migration characteristics of carbazol compound of viscous oil in Songliao basin;