1
John Randolph Young, Norman Gair Mitchell, Paul Ronald Riederer, Alan Dee Huffstutler, Harry Morales Campos Jr: Rotary cone drill bit with integral stabilizers. Dresser, Baker & Botts L, May 26, 1998: US05755297 (44 worldwide citation)

A rotary cone drill bit for forming a borehole having a bit body with an upper end portion adapted for connection to a drill string. A number of support arms extend from the bit body. Each support arm has an exterior surface with a stabilizer pad formed as an integral part thereof. A number of cutte ...


2
John Randolph Young, Norman Gair Mitchell, Paul Ronald Riederer: Rotary cone drill bit with integral stabilizers. Dresser, hou jiayou, September 22, 1999: CN97197154

A rotary cone drill bit (20) for forming a borehole having a number of support arms (50) extending from a bit body (32). Each support arm (50) has an exterior surface with a stabilizer pad (140) formed as an integral part thereof. A ramp (120) may also be formed on the exterior surface of the suppor ...