Kinematics modeling of ESPCP special coupling;

The R&D of Electric Submersible Progressing Cavity Pump (ESPCP) is put forward in such background.

Discussion on the problems existing in the design of the rotor of the electric submersible twin progressive cavity pump;

Hardware Development of Variable Frequency Drive for Submersible Progressing Cavity Pump;

Realization of Variable Frequency Control Technique for Submersible Progressing Cavity Pump Based on DSP;

A Study and Design on Reducer of ESPCPs;

A type of localizing and torque -withstanding device that satisfies the cooling requirement in the test of electric submersible PCP,is introduced from respects of structure,working principle,design details.