Funding for this research was provided by:
Open Project of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development (GSYKY-B09-33)
Science and Technology Research Project of Hubei Provincial Department of Education (Q20161311, Q20171301)
Article History
Received: 16 December 2019
Accepted: 30 April 2020
First Online: 21 May 2020
Compliance with Ethical Standards
:
: We declare that we have no competing interests.