A method for drilling a wellbore includes drilling the wellbore by advancing the tubular string longitudinally into the wellbore; stopping drilling by holding the tubular string longitudinally stationary; adding a tubular joint or stand of joints to the tubular string while injecting drilling fluid into a side port of the tubular string, rotating the tubular string, and holding the tubular string longitudinally stationary; and resuming drilling of the wellbore after adding the joint or stand.
申请公布号
WO2011085031(A2)
申请公布日期
2011.07.14
申请号
WO2011US20261
申请日期
2011.01.05
申请人
WEATHERFORD/LAMB, INC.;BAILEY, THOMAS F.;MITCHELL, MARK;PAVEL, DAVID;RING, LEV;BANSAL, RAM K.;IBLINGS, DAVID
发明人
BAILEY, THOMAS F.;MITCHELL, MARK;PAVEL, DAVID;RING, LEV;BANSAL, RAM K.;IBLINGS, DAVID