About the Authors

Xiaofeng Zhao

Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China

Zhichuan Guan

guanzhch@upc.edu.cn

Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China

Minglei Xu

Affiliation Research Institute of Petroleum Engineering, CNPC Bohai Drilling Engineering Company Limited, Tianjin, China

Yucai Shi

Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China

Hualin Liao

Affiliation College of Petroleum Engineering, China University of Petroleum, Qingdao, Shandong, China

Jia Sun

Affiliation International Petroleum Service Corporation, SINOPEC, Beijing, China

Competing Interests

International Petroleum Service Corporation of SINOPEC and Research Institute of Petroleum Engineering of CNPC Bohai Drilling Co. ltd. have not provided funds for this study, only provided support in the form of salaries for authors J.S and ML. X, and will not develop products or apply for patent with the relevant information. Also these companies do not care to be included as the authors' unit. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: XFZ ZCG MLX. Performed the experiments: XFZ HLL. Analyzed the data: YCS XFZ JS. Contributed reagents/materials/analysis tools: YCS HLL. Wrote the paper: XFZ ZCG.