[1] College of Petroleum Engineering, China University of Petroleum, Qingdao,Shandong,266580, China
[2] School of Petroleum Engineering, Yangtze University, Jingzhou,Hubei,434023, China
[3] Research Center of Drilling and Production, PetroChina Jidong Oilfield Company, Tangshan,Hebei,063004, China
[4] NO. 1 Drilling Engineering Company, CNPC Bohai Drilling Engineering Company Limited, Tianjin,300280, China
[5] Drilling Fluids Technology Service Company, CNPC Bohai Drilling Engineering Company Limited, Tianjin,300280, China