135326 ⎘
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Wear protectors; Centralising devices, e.g. stabilisers Gauge section of drill bits
IMPROVED DRILL BIT
#2Gauge cutter and sampler apparatus
#3Depth of cut control activation system
#4Percussion drill bit with at least one wear insert, related systems, and methods
#5Hybrid drill bit compensated gauge configuration
#6Staged underreamer cutter block
#7Hybrid drill bit gauge configuration
#8Fixed cutting structure-composite cone drill bit
#9Earth-boring tools having a gauge region configured for reduced bit walk and method of drilling with same
#10Earth-boring tools having a gauge insert configured for reduced bit walk and method of drilling with same
#11Percussion drill bit with at least one wear insert, related systems, and methods
#12METHODS OF CALIBRATING BORE GAUGES, SETTING PLATES FOR CALIBRATING BORE GAUGES, AND KITS INCLUDING A BORE GAUGE AND A SETTING PLATE
#13Cutting tables including ridge structures, related cutting elements, and earth-boring tools so equipped
#14Earth-boring tools having multiple gage pad lengths and related methods
#15Earth-boring tools having a selectively tailored gauge region for reduced bit walk and method of drilling with same
#16Method of drilling with an extensible pad
#17Staged underreamer cutter block
#18Drill bit body construction
#19Polycrystalline diamond chisel type insert for use in percussion drill bits even for use in large hole percussion drilling of oil wells
#20Rotary downhole tool
#21Hardfacing metal parts
#22Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods
#23Compressive residual stress-hardened downhole tool shaft region
#24Drilling apparatus with extensible pad
#25Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods
#26Downhole drilling assembly with concentric alignment feature
#27Percussion drill bit with at least one wear insert, related systems, and methods
#28Expandable reamer
#29Downhole drilling tools including low friction gage pads with rotatable balls positioned therein
#30Rock bit
#31Gauge for bent housing motor drill bit
#32Drill bit with extendable gauge pads
#33Drill bit with self-adjusting gage pads
#34Turbine drill bit assembly
#35Impregnated drill bits with integrated reamers
#36Displaceable components in drilling operations
#37Reamer blades exhibiting at least one of enhanced gage cutting element backrakes and exposures and reamers so equipped
#38Downhole drilling assembly
#39Downhole drilling assembly
#40Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations
#41Tricone rock bit for horizontal wells and hard formation wells
#42Polycrystalline diamond percussion drill bits using low thrust and torque for application with small diameter drill bits
#43Gage cutter protection for drilling bits
#44Inner gauge ring drill bit
#45Downhole drilling assembly
#46Rotary drill bit with gage pads having improved steerability and reduced wear
#47Impregnated drill bits with integrated reamers
#48Fixed cutter drill bit for abrasive applications
#49Compliantly coupled gauge pad system
#50Segmented Downhole Tool
#51Rock bit
#52FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS
#53Rotary drill bits with gage pads having improved steerability and reduced wear
#54Rotary drill bit with improved steerability and reduced wear
#55SELF-STABILIZED AND ANTI-WHIRL DRILL BITS AND BOTTOM-HOLE ASSEMBLIES AND SYSTEMS FOR USING THE SAME
#56ANTI-WHIRL DRILL BITS, WELLSITE SYSTEMS, AND METHODS OF USING THE SAME
#57ACTIVE GAUGE PROTECTION FOR DRILL BITS
#58PLATE STRUCTURE FOR EARTH-BORING TOOLS, TOOLS INCLUDING PLATE STRUCTURES AND METHODS OF FORMING SUCH TOOLS
#59Matrix turbine sleeve and method for making same
#60COMPLIANTLY COUPLED GAUGE PAD SYSTEM WITH MOVABLE GAUGE PADS
#61Motor bit system
#62Compliantly coupled cutting system
#63Tri-cone bits for horizontal and hard formation drilling applications
#64PCD Percussion Drill Bit
#65Rotary drill bits and drilling tools having protective structures on longitudinally trailing surfaces
#66Superabrasive inserts including an arcuate peripheral surface
#67Fixed cutter bit with backup cutter elements on secondary blades
#68PCD PERCUSSION DRILL BIT
#69Reamer with stabilizers for use in a wellbore
#70ACTIVE STABILIZATION DURING CUTTING FOR HOLE OPENING TOOLS
#71Drill bit
#72Sleeve structures for earth-boring tools, tools including sleeve structures and methods of forming such tools
#73Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods
#74Fixed cutter drill bit for abrasive applications
#75System, method, and apparatus for passive and active updrill features on roller cone drill bits
#76Single cone rock bit having inserts adapted to maintain hole gage during drilling
#77Rock drilling equipment
#78Drill bit with application specific side cutting efficiencies
#79Drill bit with asymmetric gage pad configuration
#80STEERABLE FIXED CUTTER DRILL BIT
#81Fixed cutter drill bit for abrasive applications
#82Single cone rock bit having inserts adapted to maintain hole gage during drilling
#83Drill bit and cutter element having aggressive leading side
#84Low projection inserts for rock bits
#85Thermally stable diamond cutting elements in roller cone drill bits
#86Fracture and wear resistant compounds and rock bits
#87Hydro-lifter rock bit with PDC inserts
#88Stabilizer arrangement
#89Superabrasive inserts including an arcuate peripheral surface
#90Bit gage hardfacing
#91Rotary drill bit
#92Drilling with casing
#93Drilling on gauge sub
#94Cutting element arrangement for single roller cone bit