DRILLING WITH WATER-BASED MUD INCLUDING MULTIPLE CLAYS

PUSH THE BIT ROTARY STEERABLE SYSTEM

PISTON-DIAPHRAGM PUMP FOR DRILLING OPERATIONS

SUBTERRANEAN DRILL BITS HAVING SHANK BYPATHS

Soil layer detection drilling device

STALL DETECTION AND RECOVERY FOR MUD MOTORS

ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM

Push the bit rotary steerable system

Drilling System for Recovering Nearly Undisturbed Cores From Loose to Solid Ground

Drilling system and method of using same

Stall detection and recovery for mud motors

Rotary boring mining machine inertial steering system

Rotary drive arrangement for a drill rod

Downhole eccentric reamer tool and related systems and methods

Offset coupling for mud motor drive shaft

Drilling string, threaded coupling, and rod adaptor for rotary drilling

Method and apparatus for transitioning between rotary drilling and slide drilling while maintaining a bit of a bottom hole assembly on a wellbore bottom

Method of mounting a Kelly bar on a drilling machine, relevant mounting tool and a drilling machine equipped with such mounting tool

Push the bit rotary steerable system

Cash wrap greeting card display

Dual rod directional drilling system

Method and apparatus for removing debris from a drill hole during drilling

Device and method to trigger, shift, and/or operate a downhole device of a drilling string in a wellbore

Drilling system and method of using same

Rotary boring mining machine inertial steering system

Stall detection and recovery for mud motors

Rotary steerable drilling assembly with a rotating steering device for drilling deviated wellbores

Dual rod directional drilling system

Simple rotary steerable drilling system

Dual rod directional drilling system

Methods of manufacturing combination thrust-bearing and radial bearing apparatuses

Bent housing drilling motor with counter-rotating lower end

Submarine shallow hydrate exploitation device and exploitation method thereof

Push the bit rotary steerable system

Steerable earth boring assembly with differential braking

ROTARY DRIVE APPARATUS

SYSTEM FOR ROTARY DRILLING BY ELECTRICAL DISCHARGE

Downhole clutch joint for multi-directionally rotating downhole drilling assembly

Measuring formation porosity and permeability

Downhole clutch joint for multi-directionally rotating downhole drilling assembly

Sealing element wear indicator system

Universal drilling and completion system

Lubricant additives for water based drilling fluid

Drilling machine equipped with an anchoring device allowing the horizontal movement of the drilling module in the anchored position

Linear selective profile actuation system

Earth-boring tools utilizing asymmetric exposure of shaped inserts, and related methods

Method and apparatus for splitting or cleaving rock

Rotatable sensors for measuring characteristics of subterranean formation

System and method for determining efficiency of an industrial machine

Dual rod directional drilling system

Dual rod directional drilling system

Downhole vibratory tool for placement in drillstrings

Dual rod directional drilling system

Automated spiraling detection

HAMMER DRILL

Well-drilling apparatus and method of use

Up drill apparatus and method

Hydroplaning reducing slip ring apparatus

Ground processing tool and a method for creating a borehole in the ground

Earth-boring tools utilizing selective placement of polished and non-polished cutting elements, and related methods

Tuning predictions of wellbore operation parameters

Earth-boring tools having impregnated cutting structures and methods of forming and using the same

Multiple speed drill bit assembly

METHOD AND APPARATUS FOR DRILL STRING CONTROL

METHOD OF FORMING A HOLE IN A HARD GROUND STRUCTURE

Downhole adjustable drilling inclination tool

Multi-Directionally Rotating Downhole Drilling Assembly and Method

Measuring current from an electrode using a non-linear element

Methods of manufacturing combination thrust-bearing and radial bearing apparatuses

Drill bits, rotatable cutting structures, cutting structures having adjustable rotational resistance, and related methods

Method and system for drilling a borehole

Universal drilling and completion system

HOLE OPENER AND METHOD FOR DRILLING

Rotating control device having a partition seal assembly

UNITIZED LIP SEAL FOR WASH PIPE STUFFING BOX SEALING SYSTEM

Device to resist rotational forces while drilling a borehole

Stabilizer assembly

System to Improve the Control of Downhole Tool-Strings Used in Radial Drilling

Pulsating Rotary Steerable System

Method and apparatus for reducing stick-slip

Vibration assisted rotary drilling (VARD) tool

Universal joint

Earth-boring tool having back up cutting elements with flat surfaces formed therein and related methods

System for rotary drilling by electrical discharge

Multi-directionally rotating downhole drilling assembly and method

In-line tortional vibration mitigation mechanism for oil well drilling assembly

Universal joint

Sealing element wear indicator system

Steerable earth boring assembly having flow tube with static seal

Drive shaft for steerable earth boring assembly

Steerable earth boring assembly

Characterization of whirl drilling dysfunction

Uniformly variably configurable drag members in an anit-rotation device

STREAMLINED TRANSMISSION ASSEMBLY

Active rectifier for downhole applications

Estimation and monitoring of casing wear during a drilling operation using casing wear maps

Drill bits with variable flow bore and methods relating thereto

PISTON CONVERTER FOR DOWNHOLE DRILLING TOOL

PRESSURE AMPLIFIERS FOR DOWNHOLE DRILLING TOOLS

Drilling shaft deflection device

Measuring formation porosity and permeability

Top drive with top entry and line inserted therethrough for data gathering through the drill string

Directional drilling system and methods

Hydroplaning reducing slip ring apparatus

Method and apparatus for casing thickness estimation

Improving Well Survey Performance

Multifrequency processing to determine formation properties

Managing wellbore operations using uncertainty calculations

Apparatus for Preventing Separation of Downhole Motor from Drillstring

Temperature correction of a gamma detector

Rolling element assemblies

Controlling wellbore operations

Torque control device for a downhole drilling assembly

Cutting elements configured to mitigate diamond table failure, earth-boring tools including such cutting elements, and related methods

Rotatable sensors for measuring characteristics of subterranean formation

DEVIATED DRILLING SYSTEM UTILIZING STEERABLE BIAS UNIT

Hydraulic control of borehole tool deployment

Pressure locking device for downhole tools

Frequency analysis of drilling signals

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

OILFIELD DEVICE WITH WIRELESS TELEMETRY

Unbalance force identifiers and balancing methods for drilling equipment assemblies

Degree of drilling shaft deflection determination in a rotary steerable drilling device

Downhole mud motor with adjustable bend angle

Nutating fluid-mechanical energy converter to power wellbore drilling

Rotary steerable drilling system

Off bottom flow diverter sub

Removal of stick-slip vibrations in a drilling assembly

Mud motor assembly

Enhancing torque electric motor drive and control system for rotary steerable system

Steerable drill bit system

Rolling element assemblies

Drill pipe oscillation regime for slide drilling

Continuous downlinking while drilling

Thread compensation apparatus

Brazed polycrystalline diamond compact

Method in putting together of a down-the-hole drilling apparatus and a down-the-hole drilling apparatus

System and related methods for control of a directional drilling operation

Method for steering a well path perpendicular to vertical fractures for enhanced production efficiency

Automated spiraling detection

Downhole drilling motor and method of use

Up drill apparatus and method

Hammer drill

Extendable pilot for barrel cutter

Improved Turbine

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

Drill bit with extendable gauge pads

ELECTRICAL CONTROLLER FOR ANTI-STALL TOOLS FOR DOWNHOLE DRILLING ASSEMBLIES AND METHOD OF DRILLING OPTIMIZATION BY DOWNHOLE DEVICES

Downhole tools having hydrophobic coatings, and methods of manufacturing such tools

Linear drive system for downhole applications

Bi-directional CV-joint for a rotary steerable system

Insert and method for directional drilling

Back-Reaming Rotary Steering

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

Managing rotational information on a drill string

Systems and methods for drilling wellbores having a short radius of curvature

Downhole motor for extended reach applications

HYDRAULIC FRACTURING WHILE DRILLING AND/OR TRIPPING

Electrical generator and electric motor for downhole drilling equipment

Drill bit with self-adjusting pads

Wellbore drilling systems with vibration subs

Resonance-tuned drill string components

Steering tool with eccentric sleeve and method of use

Drill string sub

Drill motor connecting rod

Variable diameter stator and rotor for progressing cavity motor

Drill bit with self-adjusting gage pads

Earth-boring tools, methods of forming earth-boring tools, and methods of forming a borehole in a subterranean formation

DOWNHOLE VIBRATION TOOL

Hole opener and method for drilling

APPARATUS AND METHOD FOR INDUCING LONGITUDINAL OSCILLATIONS IN SUBTERRANEAN DRILLING STRING

Actively Controlled Rotary Steerable Drilling System (RSS)

Valve system for distributing actuating fluid

Steering system for drill string

Vertical-screw-auger conveyer feeder

DOWNHOLE TOOL USING A LOCKING CLUTCH

Down hole harmonic drive transmission

Automated rig activity report generation

Closed-loop drilling parameter control

Mud motor bearing pack lower end with catch ring

Systems and methods for drilling wellbores having a short radius of curvature

Method and system for performing friction factor calibration

Rotatable wireline tool of enhanced hydraulic drive consistency

Pointed working ends on a bit

Combination thrust-bearing and radial bearing apparatuses

Drilling apparatus including a fluid bypass device and methods of using same

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

Drilling system with flow control valve

Monitoring a condition of a component in a rotating control device of a drilling system using embedded sensors

Apparatus for drilling and lining a borehole

Directional casing-while-drilling

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

PUSH REAMER

Guided wave downhole fluid sensor

System and method for analyzing cuttings using an opto-analytical device

Systems and methods of adjusting weight on bit and balancing phase

DRILLING DEVICE AND METHOD FOR PRODUCING A BORE

System and method for detecting drilling events using an opto-analytical device

Rotation Activated Downhole Orientation System and Method

Universal drilling and completion system

CASING DRILLING UNDER REAMER APPARATUS AND METHOD

Directional drilling using a rotating housing and a selectively offsetable drive shaft

Slow Drilling Assembly and Method

Mitigating swab and surge piston effects across a drilling motor

Mud motor assembly

BIT WITH CO-RADIAL CUTTING PROFILE AND CUTTING ELEMENT

Penetrating a subterranean formation

System and Methodology for Use In Borehole Applications

Powered milling clamp for drill pipe

System and method for detecting vibrations using an opto-analytical device

System and method for determining torsion using an opto-analytical device

Continuous flow system for drilling oil and gas wells

Apparatus and Method for Lateral Well Drilling

Steering system

Dual member pipe joint for a dual member drill string

Downhole depth measurement using tilted ribs

Downhole tool with rotational drive coupling and associated methods

Earth-boring tools including shaped cutting elements, and related methods

Modular compaction boring machine system

METHOD FOR DRILLING HOLES IN SOIL OR ROCK MATERIAL AND FOR FIXING AN ANCHOR IN A BOREHOLE AND APPARATUS THEREFOR

Drill bit with self-adjusting pads

No-Waterway Or Single Waterway Drill Bits And Systems And Methods For Using Same

Underreamer for increasing a bore diameter

Subsea drilling with casing

Adjustable coring assembly and method of using same

CUTTING ELEMENTS FOR CASING MILLING

Vibratory Drilling System and Tool For Use In Downhole Drilling Operations and A Method For Manufacturing Same

Enhanced secondary recovery of oil and gas in tight hydrocarbon reservoirs

DEVICE AND METHOD FOR HANDLING DRILL STRING COMPONENTS IN ROCK DRILLING AND ROCK DRILL RIG

Selectively actuating expandable reamers and related methods

Drill bits having blind-hole flushing and systems for using same

METHOD AND APPARATUS FOR REMOTELY CHANGING FLOW PROFILE IN CONDUIT AND DRILLING BIT

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

Field removable choke for mounting in the piston of a rotary percussion tool

Top mounted choke for percussion tool

Downhole motor

Motor Integrated Reamer

Borehole drill bit cutter indexing

Downhole stabilizer

HYDRAULIC TOOLS, DRILLING SYSTEMS INCLUDING HYDRAULIC TOOLS, AND METHODS OF USING HYDRAULIC TOOLS

Helical screw pile and soil displacement device with curved blades

UNDERGROUND DRILLING APPARATUS

Multi-angle rotary steerable drilling

CONSTANT VELOCITY DEVICE FOR DOWNHOLE POWER GENERATION

Systems and methods to reduce oscillations in magnetic couplings

Rotational downlinking to rotary steerable system

Mud actuated drilling system

DOWNHOLE TOOL FOR SIDETRACKING

Drilling system

Coaxial ground heat exchanger and method for installing said ground heat exchanger in the ground

TURBINE BLADE FOR TURBODRILLS

Subsea drilling with casing

Outdoor multi-use hand tool

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

Electronics for a thin bed array induction logging system

Apparatus and method for installing ground anchoring systems

Drilling device and method for producing a borehole

Drill stem component comprising a movable coupler and a pressure chamber

Electronics for a thin bed array induction logging system

Drilling system with flow control valve

Long lateral completion system and method for pipe handling

Articulating cabin, system and method

Transportable single operator rig apparatus and method for optimizing drilling and/or completion

Drive systems for use with long lateral completion systems and methods

Mobile rig and method

Selectively actuating expandable reamers and related methods

Borehole drill bit cutter indexing

Extendable pilot bit for barrel cutter

Systems and methods to reduce oscillations in magnetic couplings

Remotely adjustable feed system

Rotatable wireline tool of enhanced hydraulic drive consistency

Underground drilling apparatus

Power limiting control for multiple drilling rig tools

Shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

Acoustically controlled subsea latching and sealing system and method for an oilfield device

METHOD FOR CONTINUOUS OPERATION OF A SURFACE MINER

Advancing longwall system for surface mining

Continuous surface mining system

Conveyor system for continuous surface mining

Method and apparatus for reducing stick-slip

Downhole motor

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

Subsea drilling with casing

Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations

Mines and tunnels for use in treating subsurface hydrocarbon containing formations

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations

Using tunnels for treating subsurface hydrocarbon containing formations

Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations

Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations

HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS

MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS

Flexible coupling

Flexible coupling

Downhole adjustable drilling inclination tool

Rotary bit pushing system

Motor rotary steerable system

Reservoir protecting agent composition and broad-spectrum drilling liquid and use thereof

Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereof

Downhole vibratory tool for placement in drillstrings