发明名称 CASING END TOOL
摘要 <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
分类号 E21B10/43;E21B10/46;E21B10/627 主分类号 E21B10/43
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