Ze Wanyan
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, P. R. China;
China

Yishan Liu
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, P. R. China;
China

Zhen Li
Research Institute of Exploration and Development of Changqing Oilfield Company, Xi’an 710018, P. R. China;
China

Chi Zhang
Petroleum Engineering Department, Colorado School of Mines, Golden 80401, America;
United States

Yuqi Liu
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, P. R. China;
China

Ting Xue
Research Institute of Exploration and Development of Changqing Oilfield Company, Xi’an 710018, P. R. China;
China