135303 ⎘
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Couplings; joints between rod and bit or between rod and rod; Threaded with a threaded cylindrical portion, e.g. for percussion rods
TANDEM SEAL ADAPTER FOR PERFORATING GUNS
#2OIL WELL PIPE CONNECTION STRUCTURE AND OIL WELL PIPE
#3Lifting plug
#4DRILLING COMPONENT
#5ELLIPTICAL DESIGN FOR SHANK ADAPTERS
#6FULLY AUTOMATED PERFORATING GUN
#7THREADED CONNECTION FOR EXPLORATION AND PRODUCTION OF A HYDROCARBON WELL
#8Thread pitch
#9DUAL TUBE DRILL STRING COMPONENTS
#10TANDEM SEAL ADAPTER FOR PERFORATING GUNS
#11Drill assembly for percussive drilling, a drill bit and a drill string element
#12COUPLING FOR CONNECTING DOWNHOLE TUBULARS WITH REDUCED STRESS
#13COUPLING FOR CONNECTING DOWNHOLE TUBULARS WITH IMPROVED STRESS DISTRIBUTION
#14VALVE ROD GUIDES FOR BOTTOM HOLE PUMP ASSEMBLIES, AND RELATED METHODS AND PARTS
#15COUPLING FOR CONNECTING DOWNHOLE TUBULARS WITH REDUCED STRESS
#16COUPLING FOR CONNECTING DOWNHOLE TUBULARS WITH IMPROVED STRESS DISTRIBUTION
#17Dual rod assembly and collar installation method
#18Side Entry Sub
#19Drill string joint design
#20Downhole tool for connecting with a conveyance line
#21THREAD CLEARANCE
#22Threaded connection for exploration and production of a hydrocarbon well
#23Dual rod assembly and collar installation method
#24Shear coupling for sucker rod string
#25Downhole coupon holder
#26Drill string rod
#27Lifting plug
#28Torsion resistant gap sub
#29OIL WELL PIPE CONNECTION STRUCTURE AND OIL WELL PIPE
#30Portable seafloor drill rig for submersible for multi-point core drilling
#31Coupling for rods
#32Telescopic drill rod
#33Threaded connection for steel pipes
#34Dual rod assembly and collar installation method
#35Threaded tubular connection for casing
#36Coupling for connecting downhole tubulars
#37Connection for percussion drilling
#38THREADED CONNECTION
#39Flexible Tubular Sub, and Method of Running a Tool String Into a Wellbore
#40Threaded coupling for percussion drill bit
#41Coupling for rods
#42Telescopic drill rod
#43Abutments for threaded connections
#44SCREW JOINT FOR PIPE (AS AMENDED)
#45Torsion resistant gap sub
#46HIGH-TENSILE, THIN-WALL DIFFERENTIAL THREADED COUPLING
#47Threaded coupling end for a percussion drill string component
#48Drill Rod
#49Thread form for connector collar of offshore well riser pipe
#50Torque connector systems, apparatus, and methods
#51Device For The Connection of Rods For A Downhole Pumping Apparatus
#52Drill rod for percussion drill tool
#53Energy transmission efficient drill string coupling
#54Shock wave modification in percussion drilling apparatus and method
#55Drill string with bend resistant coupling
#56Shank adaptor with fracture resistant flushing hole
#57Drill string component
#58Coupling for rods
#59Downhole tool retainer and guide ring
#60Thread device, thread joint and drill string component for percussive rock drilling
#61Coupling, in particular for connecting anchor rods
#62Drill bit for percussive rock drilling
#63Downhole tool retainer and guide ring and methods of fabricating the same
#64ANTI-BACK OFF DEVICE FOR DOWN HOLE TOOLS AND DRIVE SYSTEMS
#65METHOD FOR THE DRILLING, IN PARTICULAR PERCUSSION OR ROTARY PERCUSSION DRILLING, OF HOLES IN SOIL OR ROCK MATERIAL AND DEVICE THEREFOR
#66Hollow drilling steel rod and method of manufacturing the same
#67Drill bit assembly for fluid-operated percussion drill tools
#68Sucker Rod End Fittings and Method of Using Same
#69Threaded joint for tubes, pipes and the like
#70Threaded thin-walled drill tube joint
#71Threaded connection
#72Thread retention for an earth boring device
#73Rock-drilling equipment as well as female and male parts therefor
#74Cylindrical tapered thread form for tubular connections
#75TOP HAMMER ROCK-DRILLING TOOL, A DRILL ROD COUPLING SLEEVE
#76Method of coupling expandable tubing sections
#77ROCK-DRILLING TOOL, A DRILL ROD AND A COUPLING SLEEVE
#78Bi-steel percussive drill rod
#79Female part and a method for manufacturing female parts
#80Thread joint
#81Thread retention for an earth boring device
#82Sucker rod end fittings and method of using same
#83Drill stem coupling and method for a directional drill
#84Interconnect rod for sucker rod string
#85Tubing connection arrangement
#86Adapter member of a rock anchor
#87Threaded connections and methods for forming threaded connection
#88Joint for panels provided with a seal preventing penetration of water
#89Device for rock bolting and for automized rock bolting and rock bolting method
#90Connectable rod system for driving downhole pumps for oil field installations
#91Method and device for rock bolting
#92Coupling sleeve for connection of a threaded rock bolt to an impact rock drilling machine
#93Rock drill bit and a thread joint therefor
#94Welded joints for rotary-vibratory drills having reduced stress
#95Connection apparatus and method
#96Drill rod and method of manufacture thereof
#97Drill member for rock drilling and a method for manufacturing the drill member
#98Rock anchor
#99Method for conditioning wellbore fluids and sucker rod therefore
#100Method and apparatus for fluid jetting of wellbores and other surfaces
#101Intelligent blast-hole drill bit with redundant transducer wear sensor and remote recessed reflector antenna
#102Intellegent blast-hole drill bit with redundant transducer wear sensor and remote recessed reflector antenna
#103Sucker rod end