APPARATUS AND METHOD FOR MILLING THROUGH A WHIPSTOCK IN A WELLBORE
摘要
An apparatus for milling through a whipstock in a wellbore, which apparatus comprises a mill guide with a lower shoe for emplacement between an interior surface of the wellbore and an exterior portion of an upstream portion of the whipstock to position and/or stabilize the mill guide.
申请公布号
WO9936662(A1)
申请公布日期
1999.07.22
申请号
WO1999GB00036
申请日期
1999.01.18
申请人
WEATHERFORD/LAMB, INC.;LUCAS, BRIAN RONALD
发明人
DURST, DOUGLAS GLENN;ROBERTSON, ROBERT, EUGENE;CARTER, THURMAN, B.;JOHANTGES, PAUL, JEFFREY;PLEASANTS, CHARLES, W.;BLIZZARD, WILLIAM, ALAN, JR.;LANGFORD, DALE, ELLIOTT;MCCLUNG, GUY, LAMONT, III