Percussion-rotary drilling mechanism with mud drive turbine

作者： I Pogonowski , F Saadeh

DOI:

关键词: Mechanical engineering 、 Drilling 、 Percussion 、 Engineering 、 Drill bit 、 Mechanism (engineering) 、 Cam follower 、 Roller reamer 、 Turbine 、 Drill

摘要: A percussion-rotary drilling mechanism comprising a rotary drill bit and percussion is disclosed with mud driven turbine wheel for actuating the latter bit. Likewise, two reciprocators receiving motion from generating reciprocal movement in portion of comprise an arcuate cam follower drive rotatable eccentrically weighted mechanism.