SYSTEM AND METHOD FOR TREATING A BOREHOLE

DRILLING MOTOR INTERIOR VALVE

Linear selective profile actuation system

Articulated universal joint with backlash reduction

INDEPENDENT AND RECHARGEABLE POWER SUPPLY FOR A BOTTOM HOLE ASSEMBLY

Stator compound having an NBIR terpolymer elastomeric base and stators and downhole motors using the same

High torque constant velocity joint for downhole drilling power transmission

Downhole adjustable bend assemblies

Graphene enhanced elastomeric stator

Automated directional steering systems and methods

Automated directional steering systems and methods

Selective activation of motor in a downhole assembly and hanger assembly

Mitigating drilling circulation loss

Method for impregnating the stator of a progressive cavity assembly with nanoparticles

Bearing section for a positive displacement mud motor for use in directional earth drilling

Reinforced directional drilling assemblies and methods of forming same

Downhole telemetry system and method therefor

Method and apparatus for retaining components in a downhole motor

Transceiver with annular ring of high magnetic permeability material for enhanced short hop communications

Rotor catch assembly

Downhole steering control apparatus and methods

Fault tolerant inverter or controlled rectifier system

Multi fluid drilling system

Downhole tools with progressive cavity sections, and related methods of use and assembly

Control system and methods for moving a coiled tubing string

STIFFNESS TUNING AND DYNAMIC FORCE BALANCING ROTORS OF DOWNHOLE DRILLING MOTORS

MULTILAYERED COATING FOR DOWNHOLE TOOLS WITH ENHANCED WEAR RESISTANCE AND ACIDIC CORROSION RESISTANCE

Hybrid drive for a fully rotating downhole tool

Dual torque transfer for top drive system

Torque generator

Hybrid Transceiver for Downhole Telemetry

Downhole turbine with an adjustable shroud

Transmission assembly for downhole motor

Method of forming stators for downhole motors

Tool and method for actively cooling downhole electronics

Selective activation of motor in a downhole assembly

On-bottom downhole bearing assembly

Lobed rotor with circular section for fluid-driving apparatus

Downhole tool comprising a rotating part with a torque limiting coupling

Measurement and control of shock and vibration

Stator injection molding centralization

Mud motors with thrust bearing with enhanced torque

Downhole pulsing-shock reach extender method

Downhole pulsing-shock reach extender system

Apparatus and methods using acoustic and electromagnetic emissions

Systems and Methods for Controlling Mud Flow Across A Down-Hole Power Generation Device

Active alternator control in a downhole tool string

Downhole vibration tool

Steering force control mechanism for a downhole drilling tool

Controlled pressure pulser for coiled tubing applications

Drilling apparatus with a fixed internally tilted driveshaft

Turbines and methods of generating electricity

System and method for mitigating a mud motor stall

Combined casing and drill-pipe fill-up, flow-back and circulation tool

Multiple speed drill bit assembly

Wired motor for realtime data

Vibrationless moineau system

Radial Drilling in Horizontal Wells by Coiled-Tubing and Radial Drilling by E-Line and Slick-Line

Drilling motor with bypass and method

Method of using a downhole force generating tool

Constant-velocity joint with surface contact forks

Apparatus and method for directional drilling of boreholes

DRIVE SHAFT ASSEMBLY

Augmented drilling system

Drilling apparatus with a unitary bearing housing

BROACHING AND/OR FRICTION WELDING TECHNIQUES TO FORM UNDERCUT PDM STATORS

Optimization of drilling assembly rate of penetration

Stabilizer devices for drilling tool housing

Articulating assembly for transmitting rotation between angularly offset members

Coupling mechanism for driveshaft transmission assembly

APPARATUS AND METHODS FOR ACTIVATING A DOWNHOLE PERCUSSION TOOL

Downhole tool for generating vibration in a tubular

Hydraulic gentle vibration speed-enhancing drilling tool

Methods utilizing a bearing assembly having enhanced selected support for nonuniform loads

Hydraulic control of downhole tools

Driveshaft catch assembly with pressure plugs

Turbine-generator-actuator assembly for rotary steerable tool using a gearbox

Controlling the sensitivity of a valve by adjusting a gap

Downhole vibratory apparatus

Downhole flow diversion device with oscillation damper

Downhole force generating tool

Actuator controlled variable flow area stator for flow splitting in down-hole tools

Preventing Buckling For Downhole Linear Actuator

Rotary steerable system with a steering device around a drive coupled to a disintegrating device for forming deviated wellbores

System and method for detection of actuator launch in wellbore operations

Stick-Slip Reduction Using Combined Torsional and Axial Control

Rotor catch apparatus for downhole motor and method of use

Mud motor assembly

Downhole operational tool

Urea hydrochloride compositions and associated methods

Band-gap communications across a well tool with a modified exterior

Flow diverter

Downhole tool surfaces configured to reduce drag forces and erosion during exposure to fluid flow

Motor Power Section with Integrated Sensors

Remotely controlled apparatus for downhole applications and methods of operation

Drilling tool bearing and drivetrain assembly

Eliminating threaded lower mud motor housing connections

Feedback based toolface control system for a rotary steerable drilling tool

Gain scheduling based toolface control system for a rotary steerable drilling tool

Drill string apparatus with integrated annular barrier and port collar, methods, and systems

Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools

Downhole motor, drill string provided with such a motor and method of releasing a stuck drill bit attached to such a motor

Electromagnetically coupled band-gap transceivers

DOWNHOLE TOOLS HAVING VOLUMES OF HARD MATERIAL INCLUDING QUENCHED CARBON AND RELATED METHODS

Rotary steerable system

Toolface control with pulse width modulation

Driveshaft clamping assembly

Catch mechanism for retaining components in a downhole motor

Propulsion generator and method

Drilling assembly having a tilted or offset driveshaft

METHOD AND APPARATUS FOR DIRECTIONAL DRILLING USING WIRED DRILL PIPE

METHOD AND APPARATUS FOR STEERING A DRILL STRING AND REAMING WELL BORE SURFACES NEARER THE CENTER OF DRIFT

Drilling noise categorization and analysis

Wellbore reverse circulation with flow-activated motor

Hybrid downhole motor with adjustable bend angle

Downhole vibration for improved subterranean drilling

Multi-motor steerable drilling system and method

REAMING SYSTEM, DEVICE, AND ASSEMBLY

Mixed-mode telemetry systems and methods

Torque and torsion limiting tool

Fiber reinforced elastomeric stator

DOWNHOLE TOOL, METHOD AND ASSEMBLY

SUBSEA CASING DRILLING SYSTEM

Apparatus and method for creating tunable pressure pulse

Formation dip geo-steering method

Coiled tubing-based milling assembly

Drive shaft actuation using radio frequency identification

Hydraulic tools including removable coatings, drilling systems, and methods of making and using hydraulic tools

Universal driveshaft assembly

Measuring micro stalls and stick slips in mud motors using fiber optic sensors

Down-hole communication across a mud motor

DOWNHOLE TOOL AND METHOD

Positive displacement motor with radially constrained rotor catch

METHOD AND APPARATUS FOR VIBRATING HORIZONTAL DRILL STRING TO IMPROVE WEIGHT TRANSFER

Stator compound having an NBIR terpolymer elastomeric base and stators and downhole motors using the same

Stator compound having an NBIR terpolymer elastomeric base and stators and downhole motors using the same

Mud motor with integrated MWD system

Turbine Assembly for use in a Downhole Pulsing Apparatus

Mud motor assembly

Drilling System Including a Pressure Intensifier

Downhole self-isolating wellbore drilling systems

Downhole self-isolating wellbore drilling systems

Downhole self-isolating wellbore drilling systems

Drilling system, biasing mechanism and method for directionally drilling a borehole

System and process for drilling a planned wellbore trajectory with a downhole mud motor

Alloy for mud motor shaft applications with high strength, high impact toughness and excellent fatigue life

Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps

Optimized UBD operation envelope

Multi-start thread connection for downhole tools

Drilling apparatus using a sealed self-adjusting deflection device for drilling directional wells

Drilling assembly using a self-adjusting tilt device and sensors for drilling directional wellbores

Driveshaft catch assembly

SUBSEA CASING DRILLING SYSTEM

Rotary percussive device

Method and device for trenchless pipe laying

Gap assembly for EM data telemetry

Directional drilling motor

Automated sliding drilling

Tool face control of a downhole tool with reduced drill string friction

Determining the life span of an elastomer in a motor

Universal joint

Systems including bearing assembly having enhanced selected support for nonuniform loads

Universal joint

Drive shaft for steerable earth boring assembly

Steerable earth boring assembly

Drill string pressure altering apparatus and method

Systems and methods for estimating forces on a drill bit

System and method for controlling a drilling path based on drift estimates in a rotary steerable system

Mitigating stick-slip effects in rotary steerable tools

Method and system of coal mine roof stabilization

Downhole test signals for identification of operational drilling parameters

Drillable and resettable wellbore obstruction-clearing tool

System and method for forming a lateral wellbore

Coring tools and related methods

In-riser power generation

Advancement of a tubular string into a wellbore

STREAMLINED TRANSMISSION ASSEMBLY

Drive shaft assembly

Active rectifier for downhole applications

Bend angle sensing assembly and method of use

Constant velocity joint apparatus, systems, and methods

Directional drilling while conveying a lining member, with latching parking capabilities for multiple trips

Downhole turbine tachometer

OIL FIELD APPARATUS

Connection replacement for a drilling mud motor

METHOD OF FORMING A BORE

One trip liner drilling and cementing

METHOD OF FORMING A BORE

LINE PROJECTION BLADE TURBINE STATOR-ROTOR ASSEMBLY AND TURBINE MOTOR

Downhole mud motor with a sealed bearing pack

NEAR BIT MEASUREMENT MOTOR

Surface actuated downhole adjustable mud motor

Managing wellbore operations using uncertainty calculations

Flow controlling downhole tool

Apparatus for Preventing Separation of Downhole Motor from Drillstring

Hydraulic control of downhole tools

Drive shaft assembly for downhole mud motor configured for directional drilling

Fiber-reinforced tools for downhole use

Downhole Measurement While Drilling Tool with a Spectrometer and Method of Operating Same

Frequency analysis of drilling signals

Remote-controlled adjustable-speed screw drill for gas-drive hydraulic-motive during gas drilling

Power section and transmission of a downhole drilling motor

Adjustable bend assembly for a downhole motor

Coring apparatus for rubber stator

Downhole mud motor with adjustable bend angle

Nutating fluid-mechanical energy converter to power wellbore drilling

Rotor bearing for progressing cavity downhole drilling motor

Off bottom flow diverter sub

Motor control system

Downhole drilling motor

Flow restrictor for a mud motor

Method and apparatus to manufacture a progressive cavity motor or pump

Controlled pressure pulser for coiled tubing applications

Apparatus for extending the flow range of turbines

Motor MWD device and methods

Mud motor assembly

Oscillating mud motor

Downhole mud motor

Mud motor assembly

Mud motor with integrated reamer

Downhole adjustable bent motor

Downhole drilling motor and method of use

Mud motor with integrated abrasion-resistant structure

REINFORCED DIRECTIONAL DRILLING ASSEMBLIES AND METHODS OF FORMING SAME

Bearing assembly for a drilling tool

Improved Turbine

Method and device for making a lateral opening out of a wellbore

Linear drive system for downhole applications

Method and apparatus for controlling downhole rotational rate of a drilling tool

Rotary Steering with Multiple Contact Points

Drilling system with adaptive steering pad actuation

Downhole motor for extended reach applications

Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same

Downhole motor

Milling tools with a secondary attrition system

Downhole vibratory apparatus

Drill motor connecting rod

U-joint for a downhole motor drive shaft

Variable diameter stator and rotor for progressing cavity motor

Highly reinforced elastometric stator

Drill string check valve

Inverted wellbore drilling motor

Downhole actively controlled power generation mechanism

Propulsion generator and method

Dual-type speed control mechanism for a turbine

Actively Controlled Rotary Steerable Drilling System (RSS)

MULTIPHASE DRILLING SYSTEMS AND METHODS

DOWNHOLE TOOL USING A LOCKING CLUTCH

Down hole harmonic drive transmission

System and method for controlling drilling process

Closed-loop drilling parameter control

Apparatus and methodology for continuous down hole sand screen fill removal

Mud motor bearing pack lower end with catch ring

Powered reaming device

Drilling turbine power generation

Rotatable wireline tool of enhanced hydraulic drive consistency

Method of using a downhole force generating tool

Downhole force generating tool

Downhole force generating tool

Progressive cavity based control system

Directional system drilling and method

Downhole drilling assembly having a hydraulically actuated clutch and method for use of same

Acoustic signal enhancement apparatus, systems, and methods

Method of using a downhole force generating tool

Pressure Booster for Rotary Steerable System Tool

Directional control of a rotary steerable drilling assembly using a variable fluid flow pathway

High strength corrosion resistant high velocity oxy fuel (HVOF) coating for downhole tools

Power section and bearing section of downhole motor

Method and system of coal mine roof stabilization

Mitigating swab and surge piston effects across a drilling motor

Mud motor assembly

Penetrating a subterranean formation

Torque transfer mechanism for downhole drilling tools

Dynamic agitation control apparatus, systems, and methods

TOP MOUNT DUAL BIT WELL DRILLING SYSTEM

Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof

Toroidal link for RPM measurement

Turbine drill bit assembly

Method and apparatus for controlling downhole rotational rate of a drilling tool

Drilling motor with one-way rotary clutch

Graphene enhanced elastomeric stator

Downhole self-isolating wellbore drilling systems

Penetrating A Subterranean Formation

Anti-reverse mechanism for mud motor

Nutating fluid-mechanical energy converter

Signal operated drilling tools for milling, drilling, and/or fishing operations

Drill string constant velocity connection

Detecting a Drill String Washout Event

Turbine drilling assembly with near drilling bit sensors

TACHOMETER FOR DOWNHOLE DRILLING MOTOR

Eccentric Adjustment Coupling For Mud Motors

Mud motor

Mud motor

Mud motor

Method of using a mud motor

Apparatus and method for controlling a part of a downhole assembly, and a downhole assembly

Method of using a downhole force generating tool

Downhole force generating tool

Multilayered Coating for Downhole Tools with Enhanced Wear Resistance and Acidic Corrosion Resistance

Downhole motor