Matches 1 - 7 out of 7


Match Document Document Title
US20110240367 Milling Tool for Establishing Openings in Wellbore Obstructions  
A milling tool which includes a nose cutting portion, a cutting section having a plurality of hardened cutters and a shaft portion. A wear pad is disposed on the cutting section and shaft portion....
US20090178852 Drilling Assembly, Drilling Reamer Arm Assembly, And Methods Of Drilling  
This invention includes drilling assemblies, drilling reamer arm assemblies, and methods of drilling. In one implementation, a drilling assembly includes a cutting head apparatus configured to cut...
US20090166093 Reamer With Stabilizers For Use In A Wellbore  
A reamer bit for use in earth boring operations comprising a body, cutter mounts having rolling cutters on the bit body, and stabilizers pads on the body placed between adjacent cutter mounts. The...
US20110024194 SYSTEM AND METHOD FOR ONE-TRIP HOLE ENLARGEMENT OPERATIONS  
A drilling assembly for simultaneous hole enlargement operations comprises a drill bit, an adjustable diameter reamer, and a hole opener. The reamer is coupled with, and positioned uphole from the...
US20110079440 HOLE OPENER WITH HYBRID REAMING SECTION  
A hole opener having a hybrid reaming section for reaming subterranean wellbores may include a tubular reamer body having a longitudinal axis and upper and lower ends, a rolling cutter mount...
US20120031671 Drill Bits With Rolling Cone Reamer Sections  
A drill bit for drilling a borehole in earthen formations comprises a bit body having a central bit axis, a first end adapted to be connected to a drillstring, and a second end opposite the first...
US20140262536 DOWNHOLE CUTTING TOOLS HAVING HYBRID CUTTING STRUCTURES  
A drill bit is disclosed, wherein the drill bit has a bit body with a longitudinal axis extending there through and a bit face. A plurality of blades extends from the bit body, wherein the...
Matches 1 - 7 out of 7