The flow units in the Chang-3_3 low-permeability oil reservoirs in the Huachi Oil Field,Shaanxi;

Diagenesis of the Chang-3 sandstone reservoirs from the Hua-152 block in the Huachi Oil Field;

Study on the Diagenesis of Chang 3 Reservoir Sandstone with Low Permeability in Hua152 Area,Huachi Oil Field

Stochastic modeling of sand-body of deltaic front in Huachi Oilfield;

Study on sedimentary microfacies of Chang 3 oil-bearing strata in Hua-152 well-block of Huachi oilfield;

Scaling mechanism and effect of its prevention techniques in Huachi oilfield.;

This coring not only found many features including city wall,moat,protection slope of moat and road in Dongjing city,Kaifeng,but also exhibited these features on the same section.

For the internal city, there still existed city moat which could link with that of the outer city through the Guangji River in the regency of Emperior Zhenzong (998-1022).

Discoveries and their implications in the stratigraphic-lithologic reservoir exploration of Huabei oilfield;

Field test on movable gel as profile control and flooding in Huabei Oilfield;

Strengthen Project Management and Raise Exploration Benefit-Management of Exploration Projects of PetroChina Huabei Oilfield Company;