Calculation model for moderate sanding production of horizontal wells in unconsolidated sandstone reservoir;

Study on simulating sand production in unconsolidated sandstone reservoir;

Influential factors of acoustic velocity in the course of waterflood development of unconsolidated sandstone reservoir;

Log evaluation on the remaining oil in loose sandstone reservoir.;

Preliminary study on quantitative description of highcapacity channel in loose sandstone reservoir.;

Unstable water injection mechanism and its field application in loose sandstone reservoir;

Dynamic and quantitative sand production prediction method in unconsolidated sandstone reservoirs;

Technology of plugging removal to make injection increase in loose sand reservoir of Gudao oil field.;

Sand control is the most difficult issue faced by operation of the unconsolidated sand reservoirs.