To aim at offshore heavy crude oil of Bohai bay,this paper put forward SPG combination flooding technique which is base on decreasing viscosity of crude oil by physical method,enhancing viscoelasticity of displacing medium and decreasing interfacial tension to 10-2mN.

SPA/SPG fusion protein (SPAG)was highly expressed and the soluble SPAG-GST product was purified through glutahione column affinity.

Study on chromatographic fractionation effect of three?component compound flooding system in western area of Gudao.;

In view of the fact that the components of compound flooding are complex,at present,it is difficult to simultaneously determine any component concentration by using analytic method of single component sample,the derivative spectrographic method is proposed.

Feasibility of the ASP flooding in Northern Putaohua oilfield in Daqing;

Study on relation between interfacial tension and displacement efficiency of ASP flooding;

The lab experiments and oilfield pilot test show that ASP flooding is most practical in Hong Gang oilfield.

Numerical simulation of thermal-surfactant combination flooding for heavy crude reservoir;

Application of eletrodialysed oilfield effluent water in polymerflooding and combination flooding system;

A study on physico-chemical percolation mechanism of combination flooding system;