About the Authors

Xiaosen Shang

shangxs2015@163.com

Affiliations PetroChina Research Institute of Petroleum Exploration & Development-Langfang (RIPED-LF), Langfang, Hebei, 065007, P.R. China, PetroChina Research Institute of Petroleum Exploration & Development, Beijing, 100083, P.R. China

Yunhong Ding

Affiliation PetroChina Research Institute of Petroleum Exploration & Development-Langfang (RIPED-LF), Langfang, Hebei, 065007, P.R. China

Yonghui Wang

Affiliation PetroChina Research Institute of Petroleum Exploration & Development-Langfang (RIPED-LF), Langfang, Hebei, 065007, P.R. China

Lifeng Yang

Affiliation PetroChina Research Institute of Petroleum Exploration & Development-Langfang (RIPED-LF), Langfang, Hebei, 065007, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XSS YHD. Performed the experiments: XSS YHW. Analyzed the data: XSS LFY. Contributed reagents/materials/analysis tools: XSS. Wrote the paper: XSS.