135131 ⎘
Drives for drilling, used in the borehole Fluid rotary type drives
HYDRAULIC TOOLS, DRILLING SYSTEMS INCLUDING HYDRAULIC TOOLS, AND METHODS OF USING HYDRAULIC TOOLS
#602DOWNHOLE SCREW MOTOR
#603Downhole motor with concentric rotary drive system
#604Systems and methods to reduce oscillations in magnetic couplings
#605Systems and methods for producing forced axial vibration of a drillstring
#606Combination mud motor flow diverter and tiled bearing, and bearing assemblies including same
#607Anti-stall bypass system for downhole motor
#608Directional Drilling Using Variable Bit Speed, Thrust, and Active Deflection
#609Positionable downhole gear box
#610Downhole motor stator and method of manufacture
#611Drilling assembly with high-speed motor gear system
#612Downhole motor with concentric rotary drive system
#613Apparatus for preventing separation of downhole motor from drillstring
#614TURBINE BLADE FOR TURBODRILLS
#615Remotely controlled apparatus for downhole applications and methods of operation
#616DOWNHOLE MOTOR SENSING ASSEMBLY AND METHOD OF USING SAME
#617Wired or ported transmission shaft and universal joints for downhole drilling motor
#618Systems and methods for increasing the life of downhole driveshaft assemblies
#619Mud hydraulic top drive
#620Apparatus and methods for performing downhole operations using a selectably operable motor
#621Ball launcher for a tubing string
#622Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same
#623CV joint for down hole motor and method
#624Down hole motor apparatus and method
#625CAM MECHANISM FOR DOWNHOLE ROTARY VALVE ACTUATION AND A METHOD FOR DRILLING
#626Positive displacement motor with radially constrained rotor catch
#627Insulated conductor for downhole drilling equipment and method
#628Methods and apparatus for wellbore construction and completion
#629Device and method for drilling with continuous tool rotation and continuous drilling fluid supply
#630Long reach spindle drive systems and method
#631Drive shaft assembly for a downhole motor
#632Locking clutch for downhole motor
#633Adjustable mud motor housing assembly
#634Downhole turbine motor and related assemblies
#635Adjustable bend assembly for a downhole motor
#636Apparatus and method for controlling, measuring, and sampling a fluid flow
#637Downhole drilling tool
#638Bearing apparatus having superhard bearing elements
#639Pressure compensation system for a motor bearing assembly
#640Driveshaft assembly for a downhole motor
#641Ball seat apparatus and method
#642Downhole vibratory apparatus
#643Bearing/gearing section for a PDM rotor/stator
#644Apparatus and method for adjusting power units of downhole motors
#645CONTROL MECHANISM
#646Double shaft drilling apparatus with hanger bearings
#647Turbodrill Using a Balance Drum
#648Modular rotary steerable actuators, steering tools, and rotary steerable drilling systems with modular actuators
#649Center discharge gas turbodrill
#650Positive displacement motor (PDM) rotary steerable system (RSS) and apparatus
#651Drilling bottom hole assembly having wireless power and data connection
#652Turbine speed control system for downhole tool
#653Motor and rotor catch assembly
#654Rotary jet bit for jet drilling and cleaning
#655Coatings for fluid energy device components
#656Drilling motor valve and method of using same
#657Measuring speed of rotation of a downhole motor
#658Drilling optimization with a downhole motor
#659Optimized drilling
#660Downhole driving unit having a hydraulic motor in a wheel
#661Downhole driving unit having a spring member for assembling a hydraulic motor housing
#662Downhole driving unit having a hydraulic motor with a static cam ring
#663Downhole driving unit having a hydraulic motor with a planetary gearing system
#664Downhole motor assembly
#665Generating fluid telemetry
#666Bearing apparatuses and motor assemblies using same
#667Rotational locking mechanisms for drilling motors and powertrains
#668Pressure balanced fluid operated reaming tool for use in placing wellbore tubulars
#669Steerable Gas Turbodrill
#670Mud motor with integrated percussion tool and drill bit
#671Downhole drive force generating tool
#672Subsea casing drilling system
#673Wired or ported universal joint for downhole drilling motor
#674Motor saver sub for down hole drilling assemblies
#675Method and apparatus for vibrating horizontal drill string to improve weight transfer
#676Method and apparatus of distributed systems for extending reach in oilfield applications
#677Apparatus and methods utilizing progressive cavity motors and pumps with independent stages
#678Radial vibrational apparatus
#679Propulsion generator and method
#680IN-RISER POWER GENERATION
#681Apparatus and methods utilizing progressive cavity motors and pumps with rotors and/or stators with hybrid liners
#682Reinforced directional drilling assemblies and methods of forming same
#683Downhole apparatus for electrical power generation from shaft flexure
#684Dynamic steering tool
#685Bearing assembly for downhole motor
#686Cutting tool integrated in a drillstring
#687Large core sidewall coring
#688Downhole motors and pumps with asymmetric lobes
#689DOWNHOLE TORQUE LIMITER AND METHOD
#690Downhole Motors and Pumps with Improved Stators and Methods of Making and Using Same
#691Full flow pulser for measurement while drilling (MWD) device
#692Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
#693Controlled pressure pulser for coiled tubing applications
#694Methods of coating wellbore tools and components having such coatings
#695Downhole motors with a lubricating unit for lubricating the stator and rotor
#696Downhole motor with diamond-like carbon coating on stator and/or rotor and method of making said downhole motor
#697Coring tools and related methods
#698Systems and methods to reduce oscillations in magnetic couplings
#699Drilling motors with elastically deformable lobes
#700Housing, mandrel and bearing assembly for downhole drilling motor
#701Vortex controlled variable flow resistance device and related tools and methods
#702Vortex Controlled Variable Flow Resistance Device and Related Tools and Methods
#703Vortex Controlled Variable Flow Resistance Device and Related Tools and Methods
#704Vortex controlled variable flow resistance device and related tools and methods
#705Vortex controlled variable flow resistance device and related tools and methods
#706Vortex controlled variable flow resistance device and related tools and methods
#707Vortex controlled variable flow resistance device and related tools and methods
#708Vortex controlled variable flow resistance device and related tools and methods
#709Vortex controlled variable flow resistance device and related tools and methods
#710Downhole tools having mechanical joints with enhanced surfaces
#711Bearing assemblies, and bearing apparatuses and motor assemblies using same
#712Mud motor assembly
#713Multiple motor/pump array
#714Cam mechanism for downhole rotary valve actuation and a method for drilling
#715Drive shaft universal joint assembly with radial elliptical projections
#716Pressure compensation system for an oil-sealed mud motor bearing assembly
#717High temperature drilling motor drive with cycloidal speed reducer
#718Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same
#719Rotatable wireline tool of enhanced hydraulic drive consistency
#720Methods and apparatus for wellbore construction and completion
#721Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
#722Generating fluid telemetry
#723DOWNHOLE MUD MOTOR AND METHOD OF IMPROVING DURABILTY THEREOF
#724Borehole cutting assembly for directional cutting
#725ELECTRICAL CONTROLLER FOR ANTI-STALL TOOLS FOR DOWNHOLE DRILLING ASSEMBLIES
#726Method of forming a bore
#727Apparatus and method for directional drilling
#728DOWNHOLE SEAL AND METHOD OF LUBRICATING A DOWNHOLE TOOL
#729Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
#730Apparatus for directional drilling
#731Well tool having a nanoparticle reinforced metallic coating
#732DRIVE SYSTEM FOR A DOWNHOLE TOOL
#733System and method for drilling lateral boreholes
#734Method and apparatus for transmitting sensor response data and power through a mud motor
#735Drill Bit Jack Element with a Plurality of Inserts
#736Drilling motor with a locking collet sleeve stabilizer
#737Downhole Steerable Hammer Element
#738Multi-coupling reduced length measure while drilling apparatus
#739Locking clutch for downhole motor
#740STATOR FOR USE IN HELICOIDAL MOTOR
#741Systems and methods for providing a gearless drilling turbine
#742Apparatus and method for cutting a wellbore
#743Flow regulator for downhole progressing cavity motor
#744Reaming tool
#745Progressive cavity hydraulic machine
#746Downhole motor
#747WORK EXTRACTION FROM DOWNHOLE PROGRESSIVE CAVITY DEVICES
#748Remotely controlled apparatus for downhole applications and methods of operation
#749Hydrodynamic bearing assemblies, and hydrodynamic bearing apparatuses and motor assemblies using same
#750STATORS FOR DOWNHOLE MOTORS, METHODS FOR FABRICATING THE SAME, AND DOWNHOLE MOTORS INCORPORATING THE SAME
#751Stator inserts, methods of fabricating the same, and downhole motors incorporating the same
#752Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same
#753Center discharge gas turbodrill
#754Flow pulsing device for a drilling motor
#755Valves, bottom hole assemblies, and method of selectively actuating a motor
#756Method and apparatus for controlling downhole rotational rate of a drilling tool
#757Transmitting sensor response data and power through a mud motor
#758Retention means for a seal boot used in a universal joint in a downhole motor driveshaft assembly
#759Progressing cavity pump/motor
#760SHAFT CATCH
#761Jet turbodrill
#762APPARATUS FOR ELECTRICAL POWER AND/OR DATA TRANSFER BETWEEN ROTATING COMPONENTS IN A DRILL STRING
#763Downhole tool actuation
#764Downhole tool actuation
#765Thrust bearing assembly
#766Adjustable downhole motors and methods for use
#767Turbine for driving a generator in a drill string
#768Systems and methods for providing electrical transmission in downhole tools
#769Modeling vibration effects introduced by mud motor
#770Multiphase drilling systems and methods
#771ELECTRICAL POWER GENERATION FOR DOWNHOLE EXPLORATION OR PRODUCTION DEVICES
#772Drill string with modular motor units
#773Long reach spindle drive systems and method
#774Drilling apparatus and system for drilling wells
#775Systems and methods for protecting drill blades in high speed turbine drills
#776Turbo-gear for speedy drilling wells
#777DOWNHOLE MUD MOTOR AND METHOD OF IMPROVING DURABILTY THEREOF
#778Jet motor for providing rotation in a downhole tool
#779Electrical transmission between rotating and non-rotating members
#780APPARATUS AND METHOD FOR HIGH TEMPERATURE DRILLING OPERATIONS
#781Excavator apparatus for underground excavation
#782METHOD OF MAKING WELLBORE MOINEAU DEVICES
#783Drilling apparatus and method for drilling wells
#784Drive shaft assembly for a downhole motor
#785LOAD DISTRIBUTION FOR MULTI-STAGE THRUST BEARINGS
#786Thrust bearing assembly
#787Signal operated tools for milling, drilling, and/or fishing operations
#788Flow guide actuation
#789Flow guide actuation
#790Selective agitation
#791System of monitoring rotational time of rotatable equipment
#792Method and apparatus for lateral well drilling utilizing an abrasive fluid stream discharged from a rotating nozzle
#793Progressive cavity apparatus with transducer and methods of forming and use
#794Nano particle reinforced polymer element for stator and rotor assembly
#795Erosion resistant surface and method of making erosion resistant surfaces
#796Apparatus and method for a hydraulic diaphragm downhole mud motor
#797Pulse rate of penetration enhancement device and method
#798Hydrodynamic bearing assemblies, and hydrodynamic bearing apparatuses and motor assemblies using same
#799Downhole motor assembly and method for torque regulation
#800Flow hydraulic amplification for a pulsing, fracturing, and drilling (PFD) device
#801Drive system
#802Locking clutch for downhole motor
#803Drilling apparatus and system for drilling wells
#804Drilling apparatus and system for drilling wells
#805Bearing assembly for downhole mud motor
#806DRILLING ASSEMBLY
#807Method and apparatus for wellbore construction and completion
#808Thrust bearing assembly
#809Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
#810Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
#811METHOD AND APPARATUS FOR TRANSMITTING SENSOR RESPONSE DATA AND POWER THROUGH A MUD MOTOR
#812Highly reinforced elastomer for use in downhole stators
#813Mandrel and bearing assembly for downhole drilling motor
#814Technique and apparatus for drilling and completing a well in one half trip
#815PROCESS FOR LINING A FLUID HELICAL DEVICE STATOR
#816Jet motor for providing rotation in a downhole tool
#817Method and apparatus for extending flow range of a downhole turbine
#818Jack element adapted to rotate independent of a drill bit
#819Downhole drive force generating tool
#820Method and apparatus for transmitting sensor response data and power through a mud motor
#821Apparatus and method to reduce fluid pressure in a wellbore
#822Downhole motor locking assembly and method
#823Electrical connection assembly
#824Fluid driven drilling motor and system
#825Thrust bearing assembly
#826ROLL STABILISED UNIT
#827Method and apparatus for shifting speeds in a fluid-actuated motor
#828Inner and outer motor with eccentric stabilizer
#829Earth boring tool
#830Downhole motor seal and method
#831Managed pressure drilling
#832Composite motor stator
#833Modular drilling apparatus with power and/or data transmission
#834Turbodrill with asymmetric stator and rotor vanes
#835System and method for controlling drill motor rotational speed
#836Apparatus and methods for drilling with casing
#837Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes
#838Flow control valve and method of controlling rotation in a downhole tool
#839Unsymmetrical profile threads for use in a positive displacement motor housing
#840Hydraulic automatic boosting pump
#841Self-blocking safety device
#842Down-hole vane motor
#843Apparatus and method to reduce fluid pressure in a wellbore
#844Rotary flow control apparatus
#845Bottom hole assembly for rotary drilling
#846Air motor assembly
#847Gear reducer
#848Methods and systems for detecting and mitigating downhole motor dysfunction
#849Apparatus with fluid powered drive assemblies and method of fabrication
#850Motor cooling and debris management during milling
#851Air rotary system for a down hole drill assembly
#852Hydrojets rotary drill bit
#853Downhole reamer with rotating sleeve
#854Method and apparatus for deploying and cementing liners across challenging well profiles
#855Drill string rotation controller for directional drilling
#856Piston motor system
#857Coupling with enhanced torsional, fatigue strength, and wear resistance
#858Vortex controlled variable flow resistance device and related tools and methods
#859Systems and methods for employing multiple downhole drilling motors
#860Full-metal dynamic-sealed concentrically-centered downhole displacement motor
#861Parameter monitoring and control for an electric driven hydraulic fracking system
#862Rotor catch for bottomhole assembly
#863Formation dip geo-steering method
#864Bi-directional well drilling
#865Self-adjusting downhole motor
#866Methods and systems of creating pressure pulses for pulse telemetry for MWD tools using a direct drive hydraulic ram
#867Formation dip geo-steering method
#868High speed motor drive
#869Sealless downhole system with magnetically supported rotor
#870Sealless downhole system with magnetically supported rotor
#871High speed precision guide device for creating holes for piles or other support members
#872Tool and method for actively cooling downhole electronics
#873Mud motor coupling system
#874Subsea drilling systems and methods
#875Mud motor apparatus and system
#876Downhole power conversion and management using a dynamically variable displacement pump
#877Motor rotary steerable system
#878Vortex controlled variable flow resistance device and related tools and methods
#879Downhole adjustable mud motor
#880Downhole adjustable mud motor
#881Fluid driven drilling motor