A new drilling method—Earthworm-like vibration drilling

• Peng Wang,

  Roles Writing – original draft

  Affiliation Research Institute of Unconventional Oil & Gas and Renewable Energy, China University of Petroleum (East China), Qingdao, China

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• Hongjian Ni ,

  Roles Funding acquisition, Writing – review & editing

  * E-mail: h20160011@upc.edu.cn

  Affiliation Research Institute of Unconventional Oil & Gas and Renewable Energy, China University of Petroleum (East China), Qingdao, China

  http://orcid.org/0000-0003-1190-8287

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• Ruihe Wang

  Roles Supervision

  Affiliation School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, China

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