In commingled multiplezone producing wells, each pay may differently contribute to liquid production and water cut because of variation in pressure and petrophysics among different pays.

Numerical simulation method for distinguishing qualitatively production fluid emulsification due to ESP shear action;

Analyses on the influence of fluid production to the borehole fluid temperature of pumping wells;

Research on production profile well-logging technology for high hydrogen sulphide well in Tahe oilfield;

This paper analyzed several logging methods applied in Bohai oilfields in recent years, for instance: production profile, injection profile, C/O spectral logging, and boron-neutron lifetime logging.

Especially analyzed are the applications in finding waterproducing zone, production profiles and injection profiles, for example, to determine OWI(OilWater Interface), sand surface, fluid density, w ater holdup, water intake capacity, production rate/injection rate, etc.

The residue in the liquefied product affected the property of resin from liquefied wood.

The situation and progress of liquefaction of wood biomass and effective utilization of liquefied products at home and abroad were described.

Research on the methods of oil and water two phase production fluid profile interpretation in horizontal wells;