Zhongyuan Tianneng takes the lead in solving the measurement problem of single well multiphase flow in the SAGD mining block  Zhongyuan Tianneng takes the lead in solving the measurement problem of single well multiphase flow in the SAGD mining block  Zhongyuan Tianneng takes the lead in solving the measurement problem of single well multiphase flow in the SAGD mining block  Zhongyuan Tianneng takes the lead in solving the measurement problem of single well multiphase flow in the SAGD mining block  Zhongyuan Tianneng takes the lead in solving the measurement problem of single well multiphase flow in the SAGD mining block