SYSTEM, METHOD, AND APPARATUS FOR ENHANCING THE DURABILITY OF EARTH-BORING
摘要
An earth-boring drill bit having a bit body with a cutting component formed from a tungsten carbide composite material is disclosed. The composite material includes a binder and tungsten carbide crystals comprising sintered pellets. The composite material may be used as a hardfacing on the body and/or cutting elements, or be used to form portions or all of the body and cutting elements. The pellets may be formed with a single mode or multi-modal size distribution of the crystals.
申请公布号
WO2007044871(A2)
申请公布日期
2007.04.19
申请号
WO2006US39984
申请日期
2006.10.11
申请人
BAKER HUGHES INCORPORATED;CURRY, DAVID, A.;OVERSTREET, JAMES, L.;EASON, JIMMY, W.
发明人
CURRY, DAVID, A.;OVERSTREET, JAMES, L.;EASON, JIMMY, W.