135170 ⎘
Special methods or apparatus for drilling; Directional drilling; Deflecting the direction of boreholes specially adapted drill bits therefor
PILOTING PULSED POWER DRILLING USING A MULTI-ACTUATOR BASED FLOATING ELECTRODE
#2INCREASED DRILL BIT OR LOWER BHA INERTIA FOR REDUCING HFTO
#3SYSTEMS AND METHODS FOR RANGING AND TRACKING WHILE DRILLING MULTIPLE GEOLOGICAL WELLS
#4ROD SHOOTING SYSTEM
#5AUTOMATED CONTROL OF TRAJECTORY OF DOWNHOLE DRILLING
#6System and method for position and orientation detection of a downhole device
#7ROTARY STEERABLE SYSTEM
#8CARTRIDGE FOR A ROTARY DRILL BIT
#9Projectile Drilling Systems and Methods
#10Estimating rate of penetration using pad displacement measurements
#11Easy building-up hybrid rotary steerable drilling system
#12Dual piston rotary steerable system
#13ROTARY STEERABLE SYSTEM WITH OPTIMIZED PISTON EXTENSION
#14Rotary steerable system with central distribution passages
#15Rotary steerable system for wellbore drilling
#16Enhanced drill bit profile for use in HDD
#17Push type rotary guide drilling system
#18AI/ML BASED DRILLING AND PRODUCTION PLATFORM
#19Executing mechanism for rotary guide device and rotary guide device
#20Hybrid drill bit compensated gauge configuration
#21Variable build motor
#22System and method for improving rotating survey accuracy
#23Push-the-bit bottom hole assembly with reamer
#24Drill bit subsystem for automatically updating drill trajectory
#25Steering pad overextension prevention for rotary steerable system
#26Downhole drilling apparatus with rotatable cutting element
#27Earth-boring tools having a gauge region configured for reduced bit walk and method of drilling with same
#28Earth-boring tools having a gauge insert configured for reduced bit walk and method of drilling with same
#29STEERABLE DOWNHOLE DRILLING TOOL
#30Steerable drill bit system
#31Drill bit with adjustable inner gauge configuration
#32Pullback system for drilling tool
#33Rotary steerable drill string
#34Cutting tool with pre-formed hardfacing segments
#35Steerable earth boring assembly with differential braking
#36System and method for improving rotating survey accuracy
#37Drilling systems and methods
#38Earth-boring tools and related methods
#39Slidable rod downhole steering
#40Borehole cross-section steering
#41Directional drill bit attachment tools and method
#42System and method for surface management of drill-string rotation for whirl reduction
#43Drilling tool with near-bit electronics
#44Drilling system including a driveshaft/housing lock
#45Rotary steerable drilling tool and method of control thereof
#46SELF-ADJUSTING EARTH-BORING TOOLS AND RELATED SYSTEMS AND METHODS OF REDUCING VIBRATIONS
#47Earth-boring tools having a selectively tailored gauge region for reduced bit walk and method of drilling with same
#48Projectile drilling systems and methods
#49Method of drilling with an extensible pad
#50Steerable borehole excavation apparatus
#51Guidance system for a downhole boring device
#52Laterally oriented cutting structures
#53Earth-boring tools including retractable pads
#54Rotary downhole tool
#55Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods
#56Steerable Downhole Hammer Bit
#57Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus
#58Apparatus and method for directional drilling of boreholes
#59Horizontal directional drilling system
#60Method to improve downhole motor durability
#61Bi-directional drilling systems and methods
#62Drill bit for pulling material through pilot-channel
#63Drill bits, rotatable cutting structures, cutting structures having adjustable rotational resistance, and related methods
#64SONDE HOUSING AND BIT BODY ARRANGEMENT FOR HORIZONTAL DIRECTIONAL DRILLING
#65Drilling apparatus with extensible pad
#66Drill bit
#67Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods
#68Actively controlled self-adjusting bits and related systems and methods
#69Drill bit for a drilling apparatus
#70Pullback system for drilling tool
#71Rotatively mounting cutters on a drill bit
#72System and method for forming a lateral wellbore
#73Rock bit
#74Gauge for bent housing motor drill bit
#75Steerable drill bit system
#76Insert and method for directional drilling
#77Back-Reaming Rotary Steering
#78Directional drill hammer pullback device
#79Drill bits including retractable pads, cartridges including retractable pads for such drill bits, and related methods
#80Steering system
#81Near-Bit Borehole Opener Tool and Method of Reaming
#82Systems for forming lateral wellbores
#83Drilling tool and apparatus
#84Drill bit assembly for a directional percussion boring system
#85Drill Bit with Angulary Offset Centerlines
#86Systems and methods for managing milling debris
#87Circumferential and longitudinal cutter coverage in continuation of a first bit diameter to a second expandable reamer diameter
#88Drill bit with self-adjusting pads
#89Drill bit with extension elements in hydraulic communications to adjust loads thereon
#90Drill bit for a drilling apparatus
#91Drill bit with hydraulically-activated force application device for controlling depth-of-cut of the drill bit
#92Systems and methods for managing milling debris
#93HYDRAULIC BRAKE FOR DRILLING-BIT
#94ECCENTRIC SLEEVE FOR DIRECTIONAL DRILLING SYSTEMS
#95Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
#96Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods
#97Drill bits and methods of drilling curved boreholes
#98Device for directional drilling
#99Timed steering nozzle on a downhole drill bit
#100Timed Steering Nozzle on a Downhole Drill Bit
#101High performance wellbore departure and drilling system
#102Piston devices and methods of use
#103Underground drilling apparatus
#104Drill bit steering assembly
#105Steering mechanism with a ring disposed about an outer diameter of a drill bit and method for drilling
#106Intelligent wellbore propagation system
#107Drill bit with adjustable side force
#108Directional wellbore control by pilot hole guidance
#109Clutch for a jack element
#110Drill bits and methods of drilling curved boreholes
#111Drill bit with an adjustable steering device
#112Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
#113Drill bit with a retained jack element
#114Drill bit with an adjustable steering device
#115Directional drilling system
#116Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
#117Drill bit with adjustable cutters
#118Ball piston steering devices and methods of use
#119Sensor for determining a position of a jack element
#120COMPLIANTLY COUPLED GAUGE PAD SYSTEM WITH MOVABLE GAUGE PADS
#121Motor bit system
#122Compliantly coupled cutting system
#123Steerable rotary directional drilling tool for drilling boreholes
#124Whipstock
#125Steerable piloted drill bit, drill system, and method of drilling curved boreholes
#126Lead the bit rotary steerable tool
#127Rotary drill bit steerable system and method
#128Apparatus and method for steering a drill bit
#129Lead the bit rotary steerable system
#130Method for manufacturing a drill bit
#131Lead the bit rotary steerable tool
#132Acid tunneling bottom hole assembly and method utilizing reversible knuckle joints
#133Morphable bit
#134Drill bit
#135Clutch for a jack element
#136Acid tunneling bottom hole assembly
#137Drill head connection
#138Drill bit assembly for directional drilling
#139Downhole hammer assembly
#140Downhole mechanism
#141Downhole valve mechanism
#142Fluid-actuated hammer bit
#143Milling system and method of milling
#144Drill bit with a retained jack element
#145Retaining element for a jack element
#146Steerable rotary directional drilling tool for drilling boreholes
#147Downhole steering
#148Drill bit with an electrically isolated transmitter
#149Bi-center drill bit
#150Jack element with a stop-off
#151Rotary valve for steering a drill string
#152Jack element adapted to rotate independent of a drill bit
#153Drill bit assembly for directional drilling
#154Drill bit assembly adapted to provide power downhole
#155Connection design and sonde housing assembly for a directional drill
#156Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
#157Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
#158Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
#159Apparatus for on-grade boring
#160Directional drill head
#161Rotary drill bit
#162System for directional boring including a drilling head with overrunning clutch and method of boring
#163Bottom hole assembly having three-point contact for improved steering
#164Directional drilling device and drilling method of aquifer remediation of coal seam roof