A casing end tool has a mandrel and a body that is defined by a wall having an outer surface and an inner surface opposite of the outer surface. The body is fabricated from crystalline tungsten powder and a binder material. The inner surface includes a set of raised bosses or land structures. The body includes a plurality of blades on the outer surface. Each blade has a plurality of cutters. Blade channels and cutter channels on the blades enhance fragmentation of the body during drill out of the casing end tool.
申请公布号
CA2832481(A1)
申请公布日期
2012.11.01
申请号
CA20122832481
申请日期
2012.04.13
申请人
VAREL INTERNATIONAL IND., L.P.
发明人
KING, WILLIAM W.;REESE, MICHAEL R.;DREWS, STEVEN W.;KIRK, IAN ALASTAIR;BUTEAUD, SCOTT