APPARATUS AND METHOD FOR MILLING THROUGH A WHIPSTOCK IN A WELLBORE

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.

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Bibliographische Detailangaben
Hauptverfasser:	LANGFORD, DALE ELLIOT, BLIZZARD, WILLIAM ALAN, JR, DURST, DOUGLAS GLENN, CARTER, THURMAN B, MCCLUNG, GUY LAMONT, III, PLEASANTS, CHARLES W, ROBERTSON, ROBERT EUGENE, JOHANTGES, PAUL JEFFREY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	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.