Sequence boundary types and logging identification of Donghe sandstone in HD4 oilfield,Tarim Basin;

Using diagenetic facies to analyze heterogeneous reservoir of Donghe sandstone of east slope of Lunnan,Tarim Basin;

Characteristics of Carbonate Cement in Donghe Sandstone and Its Effect on Reservoir;

Experiment on stress sensitivity in low permeability sandstone reservoir;

Experiment:water flooding characteristics of low oil saturation sandstone reservoirs;

Comprehensive evaluation of low permeability sandstone reservoir by geochemistry and well logging-taking Jishan sandstone reservoir of Shanghe Oilfield as an exampIe;

Two retarded acids,SDE-1 and SDE-2,for stimulating sandstone reservoirs are studied experimentally for their performance properties.

An expertise knowledge database is established on the basis of analyses on the static and dynamic geologic data and fracturing parameters obtained from more than 500 wells that have been fractured in sand reservoirs of Zhongyuan oilfield.

The sedimentary facies of Menggulin sand reservoir was analysed according to the datum of core description, electric property, dynamic logging, and production performance of the reservoir.