135299 ⎘
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Couplings; joints between drilling rod or pipe and drill motor or surface drive , e.g. between drilling rod and hammer
THREADED CONNECTION
#2JOINT FOR DOWNHOLE MOTOR
#3COATINGS FOR WEAR SURFACES AND RELATED APPARATUSES, DEVICES, SYSTEMS, AND METHODS
#4CLAMPING HEAD ARRANGEMENT
#5DRILLING ARRANGEMENT AND METHODOLOGY
#6DRILLING ASSEMBLY
#7Earth Drilling Device
#8NICKEL BASED WEAR AND CORROSION PROTECTED SHANK ADAPTER
#9TRANSMISSION ASSEMBLY FOR TRANSMITTING TORQUE ACROSS AN ANGULAR CONNECTION BETWEEN A TORSIONAL DRIVE COMPONENT AND A TORSIONALLY DRIVEN COMPONENT
#10DOWNHOLE TOOL, METHOD, AND SYSTEM
#11ELLIPTICAL DESIGN FOR SHANK ADAPTERS
#12Clutch mechanism for gripping tools
#13LATCH RELEASE MECHANISM
#14APPARATUS AND METHOD FOR SUPPORTING A COLLAR REGION OF A BLAST HOLE DURING DRILLING
#15THREADED CONNECTION
#16Transmission assembly for transmitting torque across an angular connection between a torsional drive component and a torsionally driven component
#17Cable swivel
#18COATINGS FOR WEAR SURFACES AND RELATED APPARATUSES, DEVICES, SYSTEMS, AND METHODS
#19Drill rod coupling and method for actuating the drill rod coupling
#20Device for transferring data and/or power in a derrick or in a workover rig
#21Rotary percussive hydraulic drill provided with a shank equipped with coupling splines
#22Apparatus for connecting a drill pipe to the drilling drive of a drilling rig, and drilling assembly for boreholes comprising such an apparatus
#23Quick-release coupling for drilling and related methods
#24Forced separation device for submarine drilling machine and drilling tool
#25Tool coupler with sliding coupling members for top drive
#26Transmission assembly for transmitting torque across an angular connection between a torsional drive component and a torsionally driven component
#27Apparatus and method relating to managed pressure drilling
#28Drill string rotation brake
#29Couplers for connecting a power source to a drilling string
#30Downhole motor that improved thread fastening structure
#31Quick-release coupling for drilling and related methods
#32Drill steel and its manufacture
#33CONNECTOR ASSEMBLY FOR A DRILLING APPARATUS
#34Down-hole motor universal joint assembly
#35Drill string rotation brake
#36WELLBORE DRILLING WITH A TROLLEY AND A TOP DRIVE DEVICE
#37Drilling device for earth or rock drilling and method for retrofitting such a drilling device
#38Bearing assembly for drilling a subterranean formation
#39Combined multi-coupler with rotating locking method for top drive
#40Well tool device
#41Bottom hole assemblies
#42Combined multi-coupler with locking clamp connection for top drive
#43Combined multi-coupler for top drive
#44Near-bit measurement while drilling system
#45Extendable apparatus, drill head and method
#46Wellbore drilling with a trolley and a top drive device
#47Servicing a top drive device of a wellbore drilling installation
#48A TOP DRIVE WELL DRILLING INSTALLATION
#49Rotor catch assembly
#50Combined multi-coupler with rotating fixations for top drive
#51Tool coupler with sliding coupling members for top drive
#52Shank adaptor with strengthened flushing hole
#53Mine drill system with adapter
#54Horizontal directional drill pipe drive connection with locking feature
#55EXTENDABLE CYCLINDER, DRILL HEAD AND METHOD
#56Multi-functional connector, drill head, and method
#57Articulating assembly for transmitting rotation between angularly offset members
#58Coupling mechanism for driveshaft transmission assembly
#59Motor shaft transmission interference apparatus
#60Connection for transmitting torque and axial forces
#61Tapered thread configuration with improved durability
#62Threaded joint for steel pipes
#63SUBSEA CASING DRILLING SYSTEM
#64Shank adaptor with reinforced flushing slot
#65Running tool locking system and method
#66Relating to a secondary drive unit
#67Multi-start thread connection for downhole tools
#68Washpipe seal assembly
#69Universal joint
#70CV joint for drilling motor and method
#71Locking device and locking method for the tool holder of a drilling system
#72Full contact joint assembly
#73Shank adaptor with fracture resistant flushing hole
#74Drill string, connection system, earth drilling device and method to connect a drill string section
#75Bi-directional CV-joint for a rotary steerable system
#76Horizontal directional drill pipe drive connection with locking feature
#77Drill string rotation brake
#78Device and system for percussion rock drilling
#79Trenchless drainage structure replacement
#80Mud motor bearing pack lower end with catch ring
#81CENTERING CONTROL TYPE DRILL SYSTEM FOR OFFSHORE STRUCTURE
#82Tapered thread configuration with improved durability
#83Downhole tool retainer and guide ring
#84Hydraulically Operated Polished Rod Clamp
#85RELEASE ASSEMBLY AND METHOD OF FORMING DRILLING TOOL
#86Systems and methods for producing forced axial vibration of a drillstring
#87Combination mud motor flow diverter and tiled bearing, and bearing assemblies including same
#88MULTI-START THREAD CONNECTION FOR DOWNHOLE TOOLS
#89Downhole motor coupling systems and methods
#90Method of and apparatus for drilling a subterranean wellbore
#91Shoulder ring for transmission line and transmission devices
#92Double shaft drilling apparatus with hanger bearings
#93Reciprocating and rotating section and methods in a drilling system
#94Horizontal directional drill pipe drive connection with locking feature
#95Pipe drive sealing system and method
#96Bearing assemblies, apparatuses, and motor assemblies using the same
#97Downhole tool retainer and guide ring and methods of fabricating the same
#98Driver for torque and rotation transfer from a rotational chuck to a drill steel
#99Drill members for mine roofs
#100Tapered thread configuration with improved durability
#101Ground-drilling device
#102ANTI-BACK OFF DEVICE FOR DOWN HOLE TOOLS AND DRIVE SYSTEMS
#103Percussion rock drilling machine and drill rig
#104Tapered thread configuration with improved durability
#105Drive shaft universal joint assembly with radial elliptical projections
#106Trenchless drainage structure replacement
#107Percussion hammer bit retention system
#108Multi-coupling reduced length measure while drilling apparatus
#109Dual BHA drilling system
#110Arrangement and method comprising a flushing head for a rock drilling machine, and rock drilling machine comprising the arrangement
#111Adapter for self-drilling, chemically anchorable fastening element
#112Drilling motor coupling
#113Impact adapter for a rock drill
#114Retaining arrangement, sub adaptor and/or drill spindle
#115COUPLING ARRANGEMENT FOR COUPLING ROCK DRILL SHANK
#116CONNECTION FOR WELL BORE DRILLING TOOLS
#117Power transmission line section
#118Rod assembly driver
#119Downhole drilling of a lateral hole
#120Method for casing drilling, drilling unit and adapter device
#121Coupling device
#122Method and device for drilling holes in soil or rock material
#123Flow operated orienter
#124Coupling sleeve for connection of a threaded rock bolt to an impact rock drilling machine
#125Top drive torsional baffle apparatus and method
#126Coupler and roof drill bit assembly using such coupler
#127Method for applying an anti-corrosion coating to especially corrosion exposed parts in rock drill equipment
#128Down hole motor with locking mechanism
#129Well system
#130Three dimensional steering system and method for steering bit to drill borehole
#131Drill string for upward drilling and components therefor
#132Method and arrangement for the rapid connection and detachment of connectable elements
#133Coupling for dual member pipe
#134Rock anchor
#135Fairings for mobile downhole tools in producing wells
#136Coupling with enhanced torsional, fatigue strength, and wear resistance
#137Flexible coupling
#138Flexible coupling
#139Drill members for mine roofs
#140Flexible coupling