<p>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.</p>
申请公布号
EP2702223(A4)
申请公布日期
2015.12.30
申请号
EP20120776178
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