1. School of Petroleum Engineering, Key Laboratory of Unconventional Oil and Gas Development China University of Petroleum (East China), Ministry of Education Qingdao 266580 China
2. College of Science China University of Petroleum (East China) Qingdao 266580 China
3. Nonlinear Analysis and Applied Mathematics (NAAM)‐Research Group King Abdulaziz University Jeddah 121589 Saudi Arabia
4. Department of Mathematics Quaid‐I‐Azam University 45320 Islamabad 44000 Pakistan