135169 ⎘
Special methods or apparatus for drilling; Directional drilling; Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
CONTINUOUS ROTATION COILED TUBING ORIENTING TOOL WITH SELF-REVERSING THREADS
#2DOWNHOLE MOTOR AND RELATED SYSTEMS AND METHODS FOR CONTROLLING FORMATION CONTACT POINTS
#3MECHANICS-ELECTRONICS-HYDRAULICS INTEGRATED DIRECTIONAL TOOL FOR CONTINUOUS TUBING DRILLING
#4UNDERGROUND BORING SYSTEMS AND APPARATUS
#5PUSH THE BIT ROTARY STEERABLE SYSTEM
#6LTE TRANSMISSION MASK ADJUSTMENT TO MAXIMIZE PERFORMANCE AND REDUCE INTERFERENCE
#7SYSTEMS AND METHODS FOR RANGING AND TRACKING WHILE DRILLING MULTIPLE GEOLOGICAL WELLS
#8SURFACE STEERABLE DRILLING SYSTEM FOR USE WITH ROTARY STEERABLE SYSTEM
#9Steering Head for Pipe Ramming/Hammer Boring Installations
#10LTE TRANSMISSION MASK ADJUSTMENT TO MAXIMIZE PERFORMANCE AND REDUCE INTERFERENCE
#11System and method for position and orientation detection of a downhole device
#12DOWNHOLE DIRECTIONAL DRILLING TOOL
#13Push the bit rotary steerable system
#14SYSTEMS AND METHODS FOR AN ARRAY OF DIFFERENT DOWNHOLE SENSORS IN A SINGLE TOOL BODY
#15Directional core drilling system
#16[1,2,4]Triazolo[4,3-B]Pyridazines For Use in the Treatment of Proliferative Diseases
#17Equipment string communication and steering
#18Universal bottomhole assembly node (UBHAN)
#19Mechanical rotary steering drilling tool
#20Azimuthal measurement for geosteering
#21Shape memory alloy shaft alignment coupler for downhole tools
#22LTE transmission mask adjustment to maximize performance and reduce interference
#23Downhole directional drilling tool
#24Push the bit rotary steerable system
#25Downhole steering system and methods
#26Push type rotary guide drilling system
#27Radial bearing apparatus for use with side forces
#28Directional drilling
#29Apparatus and methods for making azimuthal resistivity measurements
#30Dual rod directional drilling system
#31Driven rotary steering system having variable-aperture valve orifices
#32Driven rotary steering system having a variable-orifice valve
#33Equipment string communication and steering
#34Mud operated rotary steerable system with rolling housing
#35[1,2,4]triazolo[4,3-b]pyridazines for use in the treatment of proliferative diseases
#36Freeing stuck tubulars in wellbores
#37Universal bottomhole assembly node (UBHAN) providing communications to and from rotary steerable systems (RSS) and real time azimuthal resistivity imaging for geosteering and pressure while drilling (FWD) for well control
#38Downhole adjustable bend assemblies
#39Dual rod directional drilling system
#40Systems, methods, and devices for directionally drilling an oil well while rotating including remotely controlling drilling equipment
#41Steering pad overextension prevention for rotary steerable system
#42Steering system for use with a drill string
#43Simple rotary steerable drilling system
#44Curved piston liner and integral pad assembly
#45Tilting anti-rotation system
#46Dual rod directional drilling system
#47Surface steerable drilling system for use with rotary steerable system
#48Hybrid rotary guiding device
#49Directional drilling system with cartridges
#50Metallic ring for sealing a downhole rotary steering piston
#51Anti-rotating device of non-rotating sleeve and a rotary guiding device
#52Rotary steerable system
#53Steering systems and methods
#54Compound angle bearing assembly
#55A ROTARY GUIDING DEVICE
#56Boundary tracking control module for rotary steerable systems
#57Pressure balanced seal assembly
#58Radial bearing apparatus for use with side forces
#59Dual rod directional drilling system
#60Downhole steering system and methods
#61Directional drilling apparatus using water hammer unit
#62Steerable earth boring assembly with differential braking
#63Shaft deflector with a deflection adjusting mechanism
#64[1,2,4]triazolo[4,3-B]pyridazines for use in the treatment of proliferative diseases
#65Valve mechanism for rotary steerable tool and methods of use
#66Rotary steerable system with rolling housing
#67Directional drilling systems and methods
#68Rotary steering systems and methods
#69Drilling systems and methods
#70Adjustable split thrust ring
#71Monitoring operating conditions of a rotary steerable system
#72Adjustable split thrust ring
#73Device to resist rotational forces while drilling a borehole
#74Steering assembly for directional drilling of a wellbore
#75System, apparatus and method for guiding a drill bit based on forces applied to a drill bit
#76Enclosed module for a downhole system
#77Azimuthal measurement for geosteering
#78Anti-rotation pads with flow ports
#79Apparatus and methods for making azimuthal resistivity measurements
#80Downhole adjustable bend assemblies
#81Flexible collar for a rotary steerable system
#82Drilling assembly having a tilted or offset driveshaft
#83Stabilizers and bearings for extreme wear applications
#84Drilling system including a driveshaft/housing lock
#85Dual member pipe joint for a dual member drill string
#86Equipment string communication and steering
#87Apparatus for providing directional control of bore drilling equipment
#88Boundary tracking control module for rotary steerable systems
#89Downhole adjustable bend assemblies
#90Rheological fluid lock of shaft to housing
#91Directional drilling system with cartridges
#92Actuation apparatus of a directional drilling module
#93Bearing section for a positive displacement mud motor for use in directional earth drilling
#94Dual rod directional drilling system
#95Dual rod directional drilling system
#96Dual rod directional drilling system
#97Steering systems and methods
#98Boundary tracking control module for rotary steerable systems
#99Roll-stabilized rotary steerable system
#100Torque generator
#101Apparatus and methods for making azimuthal resistivity measurements
#102Drilling apparatus with fixed and variable angular offsets
#103Drilling apparatus with a fixed internally tilted driveshaft
#104Directional drilling steering actuators
#105Compound angle bearing assembly
#106Steering head for an auger casing
#107Directional drilling apparatus with an aligned housing bore
#108Double drill rod section, double drill rod length and method of producing an electrically conductive connection in a double drill rod section
#109Downhole adjustable drilling inclination tool
#110Load-bearing universal joint with self-energizing seals for a rotary steerable drilling tool
#111Collar with stepped retaining ring groove
#112Variable stiffness fixed bend housing for directional drilling
#113Steering system and method
#114Steering head
#115Drilling direction correction of a steerable subterranean drill in view of a detected formation tendency
#116Gain scheduling based toolface control system for a rotary steerable drilling tool
#117Optical coupling system for downhole rotation variant housing
#118Push-the-bit rotary guiding device and application method thereof
#119Rotary steerable system
#120Securing mechanism for rotary assembly wear sleeves
#121Directional drilling systems, apparatus, and methods
#122Releasable locking mechanism for locking a housing to a drilling shaft of a rotary drilling system
#123Hybrid downhole motor with adjustable bend angle
#124Directional tendency predictors for rotary steerable systems
#125Downhole tool for vertical and directional control
#126Dimensional characteristic determinations of a wellbore
#127Detecting and remediating downhole excessive pressure condition
#128Device to resist rotational forces while drilling a borehole
#129Pulsating Rotary Steerable System
#130Eccentric Stabilizer for Use in a Synchronous Rotary Steerable System
#131Directional drilling motor
#132Locking nut with a directional coupling mechanism
#133Slip ring with a tensioned contact element
#134Steerable earth boring assembly having flow tube with static seal
#135Drive shaft for steerable earth boring assembly
#136Steerable earth boring assembly
#137System and method for controlling a drilling path based on drift estimates in a rotary steerable system
#138Individually variably configurable drag members in an anti-rotation device
#139Mitigating stick-slip effects in rotary steerable tools
#140ROTARY STEERABLE SYSTEM FOR VERTICAL DRILLING
#141Uniformly variably configurable drag members in an anit-rotation device
#142Steerable drilling method and system
#143Drilling shaft deflection device
#144Steerable rotary drilling devices incorporating a tilted drive shaft
#145Steering head for an auger casing
#146Frequency analysis of drilling signals
#147Deviated Drilling System Utilizing Force Offset
#148Degree of drilling shaft deflection determination in a rotary steerable drilling device
#149Rotary steerable drilling system
#150Method and apparatus for orienting a downhole tool
#151Active stabilization
#152Rotary seal assembly for accommodating radial deflection and tilting
#153Rotational anchoring of drill tool components
#154System and method for determining soil characteristics and drilling instability during horizontal directional drilling
#155Steering assembly for directional drilling of a wellbore
#156Method and device for making a lateral opening out of a wellbore
#157Dynamic geo-stationary actuation for a fully-rotating rotary steerable system
#158Managing rotational information on a drill string
#159Apparatus with a rotary seal assembly axially coincident with a shaft tilting focal point
#160Downhole drilling device
#161Downhole steering system
#162Drilling system with adaptive steering pad actuation
#163Steering tool with eccentric sleeve and method of use
#164Steering system for drill string
#165Roll reduction system for rotary steerable system
#166System and method for controlled slip connection
#167Drilling system with flow control valve
#168Directional casing-while-drilling
#169Directional control of a rotary steerable drilling assembly using a variable fluid flow pathway
#170Orienting hanger assembly for deploying MWD tools
#171Directional drilling using a rotating housing and a selectively offsetable drive shaft
#172Drill head and device with a sliding contact electrical connection for drilling a bore in the ground
#173Downhole depth measurement using tilted ribs
#174Downhole tool with rotational drive coupling and associated methods
#175System, apparatus and method for guiding a drill bit based on forces applied to a drill bit, and drilling methods related to same
#176Directional drilling tool with eccentric coupling
#177Mud actuated drilling system
#178Eccentric steering device and methods of directional drilling
#179Hole enlargement drilling device and methods for using same
#180Axis offset cam tool for reverse circulation exploration drilling systems and method of use thereof
#181Steerable drilling system
#182Steering head
#183Down hole motor apparatus and method
#184Active control of drill bit walking
#185Dual pipe drilling head with improved bearing retention structure
#186Rotary steerable drilling system
#187Apparatus and method for rotary steering
#188High dogleg steerable tool
#189Rotary steerable drilling system and method
#190Directional drilling control using a bendable driveshaft
#191Rotary steerable drilling apparatus
#192Rotary steerable tool
#193Bottom hole assembly including bi-stable valves
#194Steering head
#195Directional drilling using magnetic biasing
#196Drilling system with flow control valve
#197Instrumented drilling system
#198Steerable system
#199Method and system for radially expanding a tubular element and directional drilling
#200Braking mechanism for a downhole tool
#201Steering head
#202Apparatus for directional drilling
#203APPARATUS FOR DIRECTIONAL CONTROL OF A DRILLING TOOL
#204Dynamic steering tool
#205Steering head with integrated drilling dynamics control
#206Steering head
#207Rotary steerable assembly inhibiting counterclockwise whirl during directional drilling
#208Valve for a downhole tool
#209Steering component, steering assembly and method of steering a drill bit in a borehole
#210System and method for determining soil characteristics and drillstring instability during horizontal directional drilling
#211Device for directional drilling
#212Guiding device for a drilling device
#213System and method to control steering and additional functionality in a rotary steerable system
#214System and method employing a rotational valve to control steering in a rotary steerable system
#215System and method for controlling steering in a rotary steerable system
#216System and method for directional drilling
#217Rotary steerable drilling system
#218Bi-stable valve
#219Steering mechanism with a ring disposed about an outer diameter of a drill bit and method for drilling
#220System and method for drilling a deviated wellbore
#221STEERABLE DRILLING SYSTEM
#222Steering head
#223Steerable drilling system
#224Latching configuration for a microtunneling apparatus
#225Bending of a shaft of a steerable borehole drilling tool
#226Eccentric steering device and methods of directional drilling
#227Steerable system
#228Slip ring apparatus for a rotary steerable tool
#229Steering head
#230Rotary directional drilling apparatus and method of use
#231Apparatus for directional control of a drilling tool
#232Downhole apparatus with a wireless data communication device between rotating and non-rotating members
#233Hole enlargement drilling device and methods for using same
#234Non-azimuthal and azimuthal formation evaluation measurement in a slowly rotating housing
#235Rotary directional drilling apparatus and method of use
#236Steering component, steering assembly and method of steering a drill bit in a borehole
#237Steering device for downhole tools
#238Downhole hydraulic control system
#239Real time misalignment correction of inclination and azimuth measurements
#240Rotary steerable tool
#241Closed-loop control of rotary steerable blades
#242Apparatus for keeping a down hole drilling tool vertically aligned
#243Closed-loop physical caliper measurements and directional drilling method
#244STEERABLE DRILL BIT ARRANGEMENT
#245Rotary steerable motor system for underground drilling
#246BI STABLE ACTUATOR AND DRILLING SYSTEM INLCUDING SAME
#247Closed-loop control of hydraulic pressure in a downhole steering tool
#248Steerable bit system assembly and methods
#249Steerable bit system assembly and methods
#250Apparatus and methods for estimating loads and movements of members downhole
#251Apparatus and method for downhole dynamics measurements
#252Steering tool
#253Steering assembly and steering component
#254Jack element adapted to rotate independent of a drill bit
#255Method and apparatus for drilling curved boreholes
#256Rotary steerable tool including drill string rotation measurement apparatus
#257Drill bit and system for drilling a borehole
#258Downhole steering tool having a non-rotating bendable section
#259Drilling assembly with a steering device for coiled-tubing operations
#260Rotary steerable motor system for underground drilling
#261Slip grip drilling tool
#262Electrically sequenced tractor
#263Electrically sequenced tractor
#264Bi-directional rotary steerable system actuator assembly and method
#265Downhole under-reamer tool
#266Steerable drill bit arrangement
#267Apparatus for guiding and steering an earth boring machine and casing assembly
#268Closed loop drilling assembly with electronics outside a non-rotating sleeve
#269Electrically sequenced tractor
#270Drilling apparatus
#271Directional cased hole side track method applying rotary closed loop system and casing mill
#272Steerable drilling system
#273Steerable bit assembly and methods
#274Downhole adjustable drilling inclination tool