A.繼續(xù)工作 B.躲在操作間內或營房內 C.在現場協助鉆井方進行搶險 D.在鉆井方指揮下進行撤離危險區(qū)域
A.liner B.Bit type C.Mud type D.Type of pump
A.PV <50CP B.Sand <0. 5% C.The type of must be F1300 D.In order to MWD work well must use filter