An apparatus and method for removing cuttings in a deviated borehole using drilling fluids. The apparatus includes a pipe string and a bottom hole assembly having a down hole motor and bit for drilling the borehole. The pipe string has one end attached to the bottom hole assembly and does not rotate during drilling. The apparatus and methods raise at least a portion of the pipe string in the deviated borehole to remove cuttings from underneath the pipe string portion.
申请公布号
WO2004020775(A2)
申请公布日期
2004.03.11
申请号
WO2003US25350
申请日期
2003.08.12
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
TERRY, JAMES, B.;NAQUIN, CAREY, J.;LAURSEN, PATRICK;ESTEP, JAMES;PAULK, MARTIN;COATS, E., ALAN;CROOK, RON;MORGAN, RICKEY, L.