Chapter 1 -- Basic concepts of rock mechanics -- Yuanfang Cheng School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 2 -- Rock composition and rock physical properties -- Chuanliang Yan School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 3 -- Rock strength and deformation characteristics -- Chuanliang Yan School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 4 -- Rock strength characterization and laboratory determination -- Chuanliang Yan School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 5 -- Rock strength failure criterion -- Zhongying Han School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 6 -- In-situ stress -- Zhongying Han School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 7 -- Mechanical principle of wellbore stability -- Yuanfang Cheng School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 8 -- Hydraulic fracturing mechanics -- Yuanfang Cheng School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China -- Chapter 9 -- Sand production of oil wells -- Yuanfang Cheng School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580,China.